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- <?php
- /* For licensing terms, see /license.txt */
- use Chamilo\CourseBundle\Entity\CLpCategory;
- use ChamiloSession as Session;
- use Symfony\Component\Filesystem\Filesystem;
- use Symfony\Component\Finder\Finder;
- /**
- * Class learnpath
- * This class defines the parent attributes and methods for Chamilo learnpaths
- * and SCORM learnpaths. It is used by the scorm class.
- *
- * @package chamilo.learnpath
- * @author Yannick Warnier <ywarnier@beeznest.org>
- * @author Julio Montoya <gugli100@gmail.com> Several improvements and fixes
- */
- class learnpath
- {
- public $attempt = 0; // The number for the current ID view.
- public $cc; // Course (code) this learnpath is located in. @todo change name for something more comprensible ...
- public $current; // Id of the current item the user is viewing.
- public $current_score; // The score of the current item.
- public $current_time_start; // The time the user loaded this resource (this does not mean he can see it yet).
- public $current_time_stop; // The time the user closed this resource.
- public $default_status = 'not attempted';
- public $encoding = 'UTF-8';
- public $error = '';
- public $extra_information = ''; // This string can be used by proprietary SCORM contents to store data about the current learnpath.
- public $force_commit = false; // For SCORM only - if set to true, will send a scorm LMSCommit() request on each LMSSetValue().
- public $index; // The index of the active learnpath_item in $ordered_items array.
- public $items = array();
- public $last; // item_id of last item viewed in the learning path.
- public $last_item_seen = 0; // In case we have already come in this learnpath, reuse the last item seen if authorized.
- public $license; // Which license this course has been given - not used yet on 20060522.
- public $lp_id; // DB ID for this learnpath.
- public $lp_view_id; // DB ID for lp_view
- public $log_file; // File where to log learnpath API msg.
- public $maker; // Which maker has conceived the content (ENI, Articulate, ...).
- public $message = '';
- public $mode = 'embedded'; // Holds the video display mode (fullscreen or embedded).
- public $name; // Learnpath name (they generally have one).
- public $ordered_items = array(); // List of the learnpath items in the order they are to be read.
- public $path = ''; // Path inside the scorm directory (if scorm).
- public $theme; // The current theme of the learning path.
- public $preview_image; // The current image of the learning path.
- // Tells if all the items of the learnpath can be tried again. Defaults to "no" (=1).
- public $prevent_reinit = 1;
- // Describes the mode of progress bar display.
- public $seriousgame_mode = 0;
- public $progress_bar_mode = '%';
- // Percentage progress as saved in the db.
- public $progress_db = '0';
- public $proximity; // Wether the content is distant or local or unknown.
- public $refs_list = array (); //list of items by ref => db_id. Used only for prerequisites match.
- // !!!This array (refs_list) is built differently depending on the nature of the LP.
- // If SCORM, uses ref, if Chamilo, uses id to keep a unique value.
- public $type; //type of learnpath. Could be 'dokeos', 'scorm', 'scorm2004', 'aicc', ...
- // TODO: Check if this type variable is useful here (instead of just in the controller script).
- public $user_id; //ID of the user that is viewing/using the course
- public $update_queue = array();
- public $scorm_debug = 0;
- public $arrMenu = array(); // Array for the menu items.
- public $debug = 0; // Logging level.
- public $lp_session_id = 0;
- public $lp_view_session_id = 0; // The specific view might be bound to a session.
- public $prerequisite = 0;
- public $use_max_score = 1; // 1 or 0
- public $subscribeUsers = 0; // Subscribe users or not
- public $created_on = '';
- public $modified_on = '';
- public $publicated_on = '';
- public $expired_on = '';
- public $ref = null;
- public $course_int_id;
- public $course_info = array();
- public $categoryId;
- /**
- * Constructor.
- * Needs a database handler, a course code and a learnpath id from the database.
- * Also builds the list of items into $this->items.
- * @param string $course Course code
- * @param integer $lp_id
- * @param integer $user_id
- * @return mixed True on success, false on error
- */
- public function __construct($course, $lp_id, $user_id)
- {
- $this->encoding = api_get_system_encoding();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::__construct('.$course.','.$lp_id.','.$user_id.')', 0);
- }
- if (empty($course)) {
- $this->error = 'Course code is empty';
- return false;
- } else {
- $course_info = api_get_course_info($course);
- if (!empty($course_info)) {
- $this->cc = $course_info['code'];
- $this->course_info = $course_info;
- $course_id = $course_info['real_id'];
- } else {
- $this->error = 'Course code does not exist in database.';
- return false;
- }
- }
- $this->set_course_int_id($course_id);
- // Check learnpath ID.
- if (empty($lp_id)) {
- $this->error = 'Learnpath ID is empty';
- return false;
- } else {
- // TODO: Make it flexible to use any course_code (still using env course code here).
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $lp_id = intval($lp_id);
- $sql = "SELECT * FROM $lp_table
- WHERE id = '$lp_id' AND c_id = $course_id";
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() '.__LINE__.' - Querying lp: '.$sql, 0);
- }
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $this->lp_id = $lp_id;
- $row = Database::fetch_array($res);
- $this->type = $row['lp_type'];
- $this->name = stripslashes($row['name']);
- $this->proximity = $row['content_local'];
- $this->theme = $row['theme'];
- $this->maker = $row['content_maker'];
- $this->prevent_reinit = $row['prevent_reinit'];
- $this->seriousgame_mode = $row['seriousgame_mode'];
- $this->license = $row['content_license'];
- $this->scorm_debug = $row['debug'];
- $this->js_lib = $row['js_lib'];
- $this->path = $row['path'];
- $this->preview_image = $row['preview_image'];
- $this->author = $row['author'];
- $this->hide_toc_frame = $row['hide_toc_frame'];
- $this->lp_session_id = $row['session_id'];
- $this->use_max_score = $row['use_max_score'];
- $this->subscribeUsers = $row['subscribe_users'];
- $this->created_on = $row['created_on'];
- $this->modified_on = $row['modified_on'];
- $this->ref = $row['ref'];
- $this->categoryId = $row['category_id'];
- if ($row['publicated_on'] != '0000-00-00 00:00:00') {
- $this->publicated_on = $row['publicated_on'];
- }
- if ($row['expired_on'] != '0000-00-00 00:00:00') {
- $this->expired_on = $row['expired_on'];
- }
- if ($this->type == 2) {
- if ($row['force_commit'] == 1) {
- $this->force_commit = true;
- }
- }
- $this->mode = $row['default_view_mod'];
- } else {
- $this->error = 'Learnpath ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- // Check user ID.
- if (empty($user_id)) {
- $this->error = 'User ID is empty';
- return false;
- } else {
- $user_info = api_get_user_info($user_id);
- if (!empty($user_info)) {
- $this->user_id = $user_info['user_id'];
- } else {
- $this->error = 'User ID does not exist in database ('.$sql.')';
- return false;
- }
- }
- // End of variables checking.
- $session_id = api_get_session_id();
- // Get the session condition for learning paths of the base + session.
- $session = api_get_session_condition($session_id);
- // Now get the latest attempt from this user on this LP, if available, otherwise create a new one.
- $lp_table = Database::get_course_table(TABLE_LP_VIEW);
- // Selecting by view_count descending allows to get the highest view_count first.
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = $course_id AND lp_id = '$lp_id' AND user_id = '$user_id' $session
- ORDER BY view_count DESC";
- $res = Database::query($sql);
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - querying lp_view: ' . $sql, 0);
- }
- if (Database :: num_rows($res) > 0) {
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - Found previous view', 0);
- }
- $row = Database :: fetch_array($res);
- $this->attempt = $row['view_count'];
- $this->lp_view_id = $row['id'];
- $this->last_item_seen = $row['last_item'];
- $this->progress_db = $row['progress'];
- $this->lp_view_session_id = $row['session_id'];
- } else if (!api_is_invitee()) {
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - NOT Found previous view', 0);
- }
- $this->attempt = 1;
- $params = [
- 'c_id' => $course_id,
- 'lp_id' => $lp_id,
- 'user_id' => $user_id,
- 'view_count' => 1,
- 'session_id' => $session_id,
- 'last_item' => 0
- ];
- Database::insert($lp_table, $params);
- $this->lp_view_id = Database::insert_id();
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - inserting new lp_view: ' . $sql, 0);
- }
- $sql = "UPDATE $lp_table SET id = iid WHERE iid = ".$this->lp_view_id;
- Database::query($sql);
- }
- // Initialise items.
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $lp_item_table
- WHERE c_id = $course_id AND lp_id = '".$this->lp_id."'
- ORDER BY parent_item_id, display_order";
- $res = Database::query($sql);
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - query lp items: ' . $sql, 0);
- error_log('-- Start while--', 0);
- }
- $lp_item_id_list = array();
- while ($row = Database::fetch_array($res)) {
- $lp_item_id_list[] = $row['id'];
- switch ($this->type) {
- case 3: //aicc
- $oItem = new aiccItem('db', $row['id'], $course_id);
- if (is_object($oItem)) {
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id, $course_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change.
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref] = $my_item_id;
- if ($this->debug > 2) {
- error_log(
- 'New LP - learnpath::__construct() - ' .
- 'aicc object with id ' . $my_item_id .
- ' set in items[]',
- 0
- );
- }
- }
- break;
- case 2:
- $oItem = new scormItem('db', $row['id'], $course_id);
- if (is_object($oItem)) {
- $my_item_id = $oItem->get_id();
- $oItem->set_lp_view($this->lp_view_id, $course_id);
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change.
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$oItem->ref] = $my_item_id;
- if ($this->debug > 2) {
- error_log('New LP - object with id ' . $my_item_id . ' set in items[]', 0);
- }
- }
- break;
- case 1:
- default:
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - calling learnpathItem', 0);
- }
- $oItem = new learnpathItem($row['id'], $user_id, $course_id, $row);
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - end calling learnpathItem', 0);
- }
- if (is_object($oItem)) {
- $my_item_id = $oItem->get_id();
- //$oItem->set_lp_view($this->lp_view_id); // Moved down to when we are sure the item_view exists.
- $oItem->set_prevent_reinit($this->prevent_reinit);
- // Don't use reference here as the next loop will make the pointed object change.
- $this->items[$my_item_id] = $oItem;
- $this->refs_list[$my_item_id] = $my_item_id;
- if ($this->debug > 2) {
- error_log(
- 'New LP - learnpath::__construct() ' . __LINE__ .
- ' - object with id ' . $my_item_id . ' set in items[]',
- 0);
- }
- }
- break;
- }
- // Setting the object level with variable $this->items[$i][parent]
- foreach ($this->items as $itemLPObject) {
- $level = learnpath::get_level_for_item($this->items, $itemLPObject->db_id);
- $itemLPObject->level = $level;
- }
- // Setting the view in the item object.
- if (is_object($this->items[$row['id']])) {
- $this->items[$row['id']]->set_lp_view($this->lp_view_id, $course_id);
- if ($this->items[$row['id']]->get_type() == TOOL_HOTPOTATOES) {
- $this->items[$row['id']]->current_start_time = 0;
- $this->items[$row['id']]->current_stop_time = 0;
- }
- }
- }
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' ----- end while ----', 0);
- }
- if (!empty($lp_item_id_list)) {
- $lp_item_id_list_to_string = implode("','", $lp_item_id_list);
- if (!empty($lp_item_id_list_to_string)) {
- // Get last viewing vars.
- $lp_item_view_table = Database:: get_course_table(
- TABLE_LP_ITEM_VIEW
- );
- // This query should only return one or zero result.
- $sql = "SELECT lp_item_id, status
- FROM $lp_item_view_table
- WHERE
- c_id = $course_id AND
- lp_view_id = ".$this->lp_view_id." AND
- lp_item_id IN ('".$lp_item_id_list_to_string."')
- ORDER BY view_count DESC ";
- if ($this->debug > 2) {
- error_log(
- 'New LP - learnpath::__construct() - Selecting item_views: '.$sql,
- 0
- );
- }
- $status_list = array();
- $res = Database::query($sql);
- while ($row = Database:: fetch_array($res)) {
- $status_list[$row['lp_item_id']] = $row['status'];
- }
- foreach ($lp_item_id_list as $item_id) {
- if (isset($status_list[$item_id])) {
- $status = $status_list[$item_id];
- if (is_object($this->items[$item_id])) {
- $this->items[$item_id]->set_status($status);
- if (empty($status)) {
- $this->items[$item_id]->set_status(
- $this->default_status
- );
- }
- }
- } else {
- if (!api_is_invitee()) {
- if (is_object($this->items[$item_id])) {
- $this->items[$item_id]->set_status(
- $this->default_status
- );
- }
- // Add that row to the lp_item_view table so that we have something to show in the stats page.
- $sql = "INSERT INTO $lp_item_view_table (c_id, lp_item_id, lp_view_id, view_count, status, start_time, total_time, score)
- VALUES ($course_id, ".$item_id.",".$this->lp_view_id.", 1, 'not attempted', '".time()."', 0, 0)";
- if ($this->debug > 2) {
- error_log(
- 'New LP - learnpath::__construct() '.__LINE__.' - Inserting blank item_view : '.$sql,
- 0
- );
- }
- $this->items[$item_id]->set_lp_view(
- $this->lp_view_id,
- $course_id
- );
- Database::query($sql);
- $insertId = Database::insert_id();
- $sql = "UPDATE $lp_item_view_table SET id = iid
- WHERE iid = $insertId";
- Database::query($sql);
- }
- }
- }
- }
- }
- $this->ordered_items = self::get_flat_ordered_items_list(
- $this->get_id(),
- 0,
- $course_id
- );
- $this->max_ordered_items = 0;
- foreach ($this->ordered_items as $index => $dummy) {
- if ($index > $this->max_ordered_items && !empty($dummy)) {
- $this->max_ordered_items = $index;
- }
- }
- // TODO: Define the current item better.
- $this->first();
- if ($this->debug > 2) {
- error_log('New LP - learnpath::__construct() ' . __LINE__ . ' - End of learnpath constructor for learnpath ' . $this->get_id(), 0);
- }
- return true;
- }
- /**
- * @return string
- */
- public function getCourseCode()
- {
- return $this->cc;
- }
- /**
- * @return int
- */
- public function get_course_int_id()
- {
- return isset($this->course_int_id) ? $this->course_int_id : api_get_course_int_id();
- }
- /**
- * @param $course_id
- * @return int
- */
- public function set_course_int_id($course_id)
- {
- return $this->course_int_id = intval($course_id);
- }
- /**
- * Get the depth level of LP item
- * @param $in_tab_items
- * @param $in_current_item_id
- * @return int
- */
- private static function get_level_for_item($in_tab_items, $in_current_item_id)
- {
- $parent_item_id = $in_tab_items[$in_current_item_id]->parent;
- if ($parent_item_id == 0) {
- return 0;
- } else {
- return learnpath::get_level_for_item($in_tab_items, $parent_item_id) + 1;
- }
- }
- /**
- * Function rewritten based on old_add_item() from Yannick Warnier.
- * Due the fact that users can decide where the item should come, I had to overlook this function and
- * I found it better to rewrite it. Old function is still available.
- * Added also the possibility to add a description.
- *
- * @param int $parent
- * @param int $previous
- * @param string $type
- * @param int resource ID (ref)
- * @param string $title
- * @param string $description
- * @param int $prerequisites
- * @param int $max_time_allowed
- * @param int $userId
- *
- * @return int
- */
- public function add_item(
- $parent,
- $previous,
- $type = 'dokeos_chapter',
- $id,
- $title,
- $description,
- $prerequisites = 0,
- $max_time_allowed = 0,
- $userId = 0
- ) {
- $course_id = $this->course_info['real_id'];
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::add_item(' . $parent . ',' . $previous . ',' . $type . ',' . $id . ',' . $title . ')', 0);
- }
- if (empty($course_id)) {
- // Sometimes Oogie doesn't catch the course info but sets $this->cc
- $this->course_info = api_get_course_info($this->cc);
- $course_id = $this->course_info['real_id'];
- }
- $userId = empty($userId) ? api_get_user_id() : $userId;
- $sessionId = api_get_session_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $_course = $this->course_info;
- $parent = intval($parent);
- $previous = intval($previous);
- $id = intval($id);
- $max_time_allowed = htmlentities($max_time_allowed);
- if (empty($max_time_allowed)) {
- $max_time_allowed = 0;
- }
- $sql = "SELECT COUNT(id) AS num
- FROM $tbl_lp_item
- WHERE
- c_id = $course_id AND
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent;
- $res_count = Database::query($sql);
- $row = Database :: fetch_array($res_count);
- $num = $row['num'];
- if ($num > 0) {
- if ($previous == 0) {
- $sql = "SELECT id, next_item_id, display_order
- FROM " . $tbl_lp_item . "
- WHERE
- c_id = $course_id AND
- lp_id = " . $this->get_id() . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = 0 OR
- previous_item_id=" . $parent;
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $tmp_previous = 0;
- $next = $row['id'];
- $display_order = 0;
- } else {
- $previous = (int) $previous;
- $sql = "SELECT id, previous_item_id, next_item_id, display_order
- FROM $tbl_lp_item
- WHERE
- c_id = $course_id AND
- lp_id = " . $this->get_id() . " AND
- id = " . $previous;
- $result = Database::query($sql);
- $row = Database:: fetch_array($result);
- $tmp_previous = $row['id'];
- $next = $row['next_item_id'];
- $display_order = $row['display_order'];
- }
- } else {
- $tmp_previous = 0;
- $next = 0;
- $display_order = 0;
- }
- $id = intval($id);
- $typeCleaned = Database::escape_string($type);
- if ($type == 'quiz') {
- $sql = 'SELECT SUM(ponderation)
- FROM ' . Database :: get_course_table(TABLE_QUIZ_QUESTION) . ' as quiz_question
- INNER JOIN ' . Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION) . ' as quiz_rel_question
- ON
- quiz_question.id = quiz_rel_question.question_id AND
- quiz_question.c_id = quiz_rel_question.c_id
- WHERE
- quiz_rel_question.exercice_id = '.$id." AND
- quiz_question.c_id = $course_id AND
- quiz_rel_question.c_id = $course_id ";
- $rsQuiz = Database::query($sql);
- $max_score = Database :: result($rsQuiz, 0, 0);
- // Disabling the exercise if we add it inside a LP
- $exercise = new Exercise($course_id);
- $exercise->read($id);
- $exercise->disable();
- $exercise->save();
- } else {
- $max_score = 100;
- }
- $params = array(
- "c_id" => $course_id,
- "lp_id" => $this->get_id(),
- "item_type" => $typeCleaned,
- "ref" => '',
- "title" => $title,
- "description" => $description,
- "path" => $id,
- "max_score" => $max_score,
- "parent_item_id" => $parent,
- "previous_item_id" => $previous,
- "next_item_id" => intval($next),
- "display_order" => $display_order + 1,
- "prerequisite" => $prerequisites,
- "max_time_allowed" => $max_time_allowed,
- 'min_score' => 0,
- 'launch_data' => '',
- );
- if ($prerequisites != 0) {
- $params['prerequisite'] = $prerequisites;
- }
- $new_item_id = Database::insert($tbl_lp_item, $params);
- if ($this->debug > 2) {
- error_log('New LP - Inserting chapter: ' . $new_item_id, 0);
- }
- if ($new_item_id) {
- $sql = "UPDATE $tbl_lp_item SET id = iid WHERE iid = $new_item_id";
- Database::query($sql);
- // Update the item that should come after the new item.
- $sql = " UPDATE $tbl_lp_item SET
- previous_item_id = $new_item_id,
- next_item_id = $new_item_id,
- id = $new_item_id
- WHERE iid = $new_item_id";
- Database::query($sql);
- // Update all the items after the new item.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- c_id = $course_id AND
- lp_id = " . $this->get_id() . " AND
- id <> " . $new_item_id . " AND
- parent_item_id = " . $parent . " AND
- display_order > " . $display_order;
- Database::query($sql);
- // Update the item that should come after the new item.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET ref = " . $new_item_id . "
- WHERE c_id = $course_id AND id = " . $new_item_id;
- Database::query($sql);
- // Upload audio.
- if (!empty($_FILES['mp3']['name'])) {
- // Create the audio folder if it does not exist yet.
- $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
- if (!is_dir($filepath . 'audio')) {
- mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
- $audio_id = add_document(
- $_course,
- '/audio',
- 'folder',
- 0,
- 'audio',
- '',
- 0,
- true,
- null,
- $sessionId,
- $userId
- );
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $audio_id,
- 'FolderCreated',
- $userId,
- null,
- null,
- null,
- null,
- $sessionId
- );
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $audio_id,
- 'invisible',
- $userId,
- null,
- null,
- null,
- null,
- $sessionId
- );
- }
- $file_path = handle_uploaded_document(
- $_course,
- $_FILES['mp3'],
- api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document',
- '/audio',
- $userId,
- '',
- '',
- '',
- '',
- false
- );
- // Getting the filename only.
- $file_components = explode('/', $file_path);
- $file = $file_components[count($file_components) - 1];
- // Store the mp3 file in the lp_item table.
- $sql = "UPDATE $tbl_lp_item SET
- audio = '" . Database::escape_string($file) . "'
- WHERE id = '" . intval($new_item_id) . "'";
- Database::query($sql);
- }
- }
- return $new_item_id;
- }
- /**
- * Static admin function allowing addition of a learnpath to a course.
- * @param string Course code
- * @param string Learnpath name
- * @param string Learnpath description string, if provided
- * @param string Type of learnpath (default = 'guess', others = 'dokeos', 'aicc',...)
- * @param string Type of files origin (default = 'zip', others = 'dir','web_dir',...)
- * @param string Zip file containing the learnpath or directory containing the learnpath
- * @return integer The new learnpath ID on success, 0 on failure
- */
- public static function add_lp(
- $courseCode,
- $name,
- $description = '',
- $learnpath = 'guess',
- $origin = 'zip',
- $zipname = '',
- $publicated_on = '',
- $expired_on = '',
- $categoryId = 0,
- $userId = 0
- ) {
- global $charset;
- if (!empty($courseCode)) {
- $courseInfo = api_get_course_info($courseCode);
- $course_id = $courseInfo['real_id'];
- } else {
- $course_id = api_get_course_int_id();
- $courseInfo = api_get_course_info();
- }
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- // Check course code exists.
- // Check lp_name doesn't exist, otherwise append something.
- $i = 0;
- $name = Database::escape_string($name);
- $categoryId = intval($categoryId);
- // Session id.
- $session_id = api_get_session_id();
- $userId = empty($userId) ? api_get_user_id() : $userId;
- $check_name = "SELECT * FROM $tbl_lp
- WHERE c_id = $course_id AND name = '$name'";
- $res_name = Database::query($check_name);
- if ($publicated_on == '0000-00-00 00:00:00' || empty($publicated_on)) {
- //by default the publication date is the same that the creation date
- //The behaviour above was changed due BT#2800
- global $_custom;
- if (isset($_custom['lps_hidden_when_no_start_date']) && $_custom['lps_hidden_when_no_start_date']) {
- $publicated_on = '';
- } else {
- $publicated_on = api_get_utc_datetime();
- }
- } else {
- $publicated_on = Database::escape_string(api_get_utc_datetime($publicated_on));
- }
- if ($expired_on == '0000-00-00 00:00:00' || empty($expired_on)) {
- $expired_on = '';
- } else {
- $expired_on = Database::escape_string(api_get_utc_datetime($expired_on));
- }
- while (Database :: num_rows($res_name)) {
- // There is already one such name, update the current one a bit.
- $i++;
- $name = $name . ' - ' . $i;
- $check_name = "SELECT * FROM $tbl_lp WHERE c_id = $course_id AND name = '$name'";
- $res_name = Database::query($check_name);
- }
- // New name does not exist yet; keep it.
- // Escape description.
- // Kevin: added htmlentities().
- $description = Database::escape_string(api_htmlentities($description, ENT_QUOTES, $charset));
- $type = 1;
- switch ($learnpath) {
- case 'guess':
- break;
- case 'dokeos':
- case 'chamilo':
- $type = 1;
- break;
- case 'aicc':
- break;
- }
- switch ($origin) {
- case 'zip':
- // Check zip name string. If empty, we are currently creating a new Chamilo learnpath.
- break;
- case 'manual':
- default:
- $get_max = "SELECT MAX(display_order) FROM $tbl_lp WHERE c_id = $course_id";
- $res_max = Database::query($get_max);
- if (Database :: num_rows($res_max) < 1) {
- $dsp = 1;
- } else {
- $row = Database :: fetch_array($res_max);
- $dsp = $row[0] + 1;
- }
- $params = [
- 'c_id' => $course_id,
- 'lp_type' => $type,
- 'name' => $name,
- 'description' => $description,
- 'path' => '',
- 'default_view_mod' => 'embedded',
- 'default_encoding' => 'UTF-8',
- 'display_order' => $dsp,
- 'content_maker' => 'Chamilo',
- 'content_local' => 'local',
- 'js_lib' => '',
- 'session_id' => $session_id,
- 'created_on' => api_get_utc_datetime(),
- 'modified_on' => api_get_utc_datetime(),
- 'publicated_on' => $publicated_on,
- 'expired_on' => $expired_on,
- 'category_id' => $categoryId,
- 'force_commit' => 0,
- 'content_license' => '',
- 'debug' => 0,
- 'theme' => '',
- 'preview_image' => '',
- 'author' => '',
- 'prerequisite' => 0,
- 'hide_toc_frame' => 0,
- 'seriousgame_mode' => 0,
- 'autolaunch' => 0,
- 'max_attempts' => 0,
- 'subscribe_users' => 0
- ];
- $id = Database::insert($tbl_lp, $params);
- if ($id > 0) {
- $sql = "UPDATE $tbl_lp SET id = iid WHERE iid = $id";
- Database::query($sql);
- // Insert into item_property.
- api_item_property_update(
- $courseInfo,
- TOOL_LEARNPATH,
- $id,
- 'LearnpathAdded',
- $userId
- );
- api_set_default_visibility($id, TOOL_LEARNPATH, 0, $courseInfo, $session_id, $userId);
- return $id;
- }
- break;
- }
- }
- /**
- * Auto completes the parents of an item in case it's been completed or passed
- * @param integer $item Optional ID of the item from which to look for parents
- */
- public function autocomplete_parents($item)
- {
- $debug = $this->debug;
- if ($debug) {
- error_log('Learnpath::autocomplete_parents()', 0);
- }
- if (empty($item)) {
- $item = $this->current;
- }
- $currentItem = $this->getItem($item);
- if ($currentItem) {
- $parent_id = $currentItem->get_parent();
- $parent = $this->getItem($parent_id);
- if ($parent) {
- // if $item points to an object and there is a parent.
- if ($debug) {
- error_log(
- 'Autocompleting parent of item ' . $item . ' "'.$currentItem->get_title().'" (item ' . $parent_id . ' "'.$parent->get_title().'") ',
- 0
- );
- }
- // New experiment including failed and browsed in completed status.
- //$current_status = $currentItem->get_status();
- //if ($currentItem->is_done() || $current_status == 'browsed' || $current_status == 'failed') {
- // Fixes chapter auto complete
- if (true) {
- // If the current item is completed or passes or succeeded.
- $updateParentStatus = true;
- if ($debug) {
- error_log('Status of current item is alright', 0);
- }
- foreach ($parent->get_children() as $childItemId) {
- $childItem = $this->getItem($childItemId);
- // If children was not set try to get the info
- if (empty($childItem->db_item_view_id)) {
- $childItem->set_lp_view($this->lp_view_id, $this->course_int_id);
- }
- // Check all his brothers (parent's children) for completion status.
- if ($childItemId != $item) {
- if ($debug) {
- error_log(
- 'Looking at brother #'.$childItemId . ' "' . $childItem->get_title() . '", status is ' . $childItem->get_status(),
- 0
- );
- }
- // Trying completing parents of failed and browsed items as well.
- if ($childItem->status_is(
- array(
- 'completed',
- 'passed',
- 'succeeded',
- 'browsed',
- 'failed'
- )
- )
- ) {
- // Keep completion status to true.
- continue;
- } else {
- if ($debug > 2) {
- error_log(
- 'Found one incomplete child of parent #' . $parent_id . ': child #'.$childItemId . ' "' . $childItem->get_title() . '", is ' . $childItem->get_status().' db_item_view_id:#'.$childItem->db_item_view_id,
- 0
- );
- }
- $updateParentStatus = false;
- break;
- }
- }
- }
- if ($updateParentStatus) {
- // If all the children were completed:
- $parent->set_status('completed');
- $parent->save(false, $this->prerequisites_match($parent->get_id()));
- // Force the status to "completed"
- //$this->update_queue[$parent->get_id()] = $parent->get_status();
- $this->update_queue[$parent->get_id()] = 'completed';
- if ($debug) {
- error_log(
- 'Added parent #'.$parent->get_id().' "'.$parent->get_title().'" to update queue status: completed '.
- print_r($this->update_queue, 1),
- 0
- );
- }
- // Recursive call.
- $this->autocomplete_parents($parent->get_id());
- }
- }
- } else {
- if ($debug) {
- error_log("Parent #$parent_id does not exists");
- }
- }
- } else {
- if ($debug) {
- error_log("#$item is an item that doesn't have parents");
- }
- }
- }
- /**
- * Auto saves the current results into the database for the whole learnpath
- */
- public function autosave()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::autosave()', 0);
- }
- // TODO: Add save operations for the learnpath itself.
- }
- /**
- * Closes the current resource
- *
- * Stops the timer
- * Saves into the database if required
- * Clears the current resource data from this object
- * @return boolean True on success, false on failure
- */
- public function close()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::close()', 0);
- }
- if (empty ($this->lp_id)) {
- $this->error = 'Trying to close this learnpath but no ID is set';
- return false;
- }
- $this->current_time_stop = time();
- $this->ordered_items = array();
- $this->index = 0;
- unset ($this->lp_id);
- //unset other stuff
- return true;
- }
- /**
- * Static admin function allowing removal of a learnpath
- * @param array $courseInfo
- * @param integer Learnpath ID
- * @param string Whether to delete data or keep it (default: 'keep', others: 'remove')
- * @return boolean True on success, false on failure (might change that to return number of elements deleted)
- */
- public function delete($courseInfo = null, $id = null, $delete = 'keep')
- {
- $course_id = api_get_course_int_id();
- if (!empty($courseInfo)) {
- $course_id = isset($courseInfo['real_id']) ? $courseInfo['real_id'] : $course_id;
- }
- // TODO: Implement a way of getting this to work when the current object is not set.
- // In clear: implement this in the item class as well (abstract class) and use the given ID in queries.
- // If an ID is specifically given and the current LP is not the same, prevent delete.
- if (!empty ($id) && ($id != $this->lp_id)) {
- return false;
- }
- $lp = Database:: get_course_table(TABLE_LP_MAIN);
- $lp_item = Database:: get_course_table(TABLE_LP_ITEM);
- $lp_view = Database:: get_course_table(TABLE_LP_VIEW);
- $lp_item_view = Database:: get_course_table(TABLE_LP_ITEM_VIEW);
- // Delete lp item id.
- foreach ($this->items as $id => $dummy) {
- $sql = "DELETE FROM $lp_item_view
- WHERE c_id = $course_id AND lp_item_id = '" . $id . "'";
- Database::query($sql);
- }
- // Proposed by Christophe (nickname: clefevre)
- $sql = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- Database::query($sql);
- $sql = "DELETE FROM $lp_view WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- Database::query($sql);
- self::toggle_publish($this->lp_id, 'i');
- if ($this->type == 2 || $this->type == 3) {
- // This is a scorm learning path, delete the files as well.
- $sql = "SELECT path FROM $lp
- WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $path = $row['path'];
- $sql = "SELECT id FROM $lp
- WHERE c_id = ".$course_id." AND path = '$path' AND id != " . $this->lp_id;
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) { // Another learning path uses this directory, so don't delete it.
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::delete(), found other LP using path ' . $path . ', keeping directory', 0);
- }
- } else {
- // No other LP uses that directory, delete it.
- $course_rel_dir = api_get_course_path() . '/scorm/'; // scorm dir web path starting from /courses
- $course_scorm_dir = api_get_path(SYS_COURSE_PATH) . $course_rel_dir; // The absolute system path for this course.
- if ($delete == 'remove' && is_dir($course_scorm_dir . $path) and !empty ($course_scorm_dir)) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::delete(), found SCORM, deleting directory: ' . $course_scorm_dir . $path, 0);
- }
- // Proposed by Christophe (clefevre).
- if (strcmp(substr($path, -2), "/.") == 0) {
- $path = substr($path, 0, -1); // Remove "." at the end.
- }
- //exec('rm -rf ' . $course_scorm_dir . $path); // See Bug #5208, this is not OS-portable way.
- rmdirr($course_scorm_dir . $path);
- }
- }
- }
- }
- $tbl_tool = Database :: get_course_table(TABLE_TOOL_LIST);
- $link = 'newscorm/lp_controller.php?action=view&lp_id='.$this->lp_id;
- // Delete tools
- $sql = "DELETE FROM $tbl_tool
- WHERE c_id = ".$course_id." AND (link LIKE '$link%' AND image='scormbuilder.gif')";
- Database::query($sql);
- $sql = "DELETE FROM $lp WHERE c_id = ".$course_id." AND id = " . $this->lp_id;
- Database::query($sql);
- // Updates the display order of all lps.
- $this->update_display_order();
- api_item_property_update(
- api_get_course_info(),
- TOOL_LEARNPATH,
- $this->lp_id,
- 'delete',
- api_get_user_id()
- );
- $link_info = GradebookUtils::is_resource_in_course_gradebook(api_get_course_id(), 4 , $id, api_get_session_id());
- if ($link_info !== false) {
- GradebookUtils::remove_resource_from_course_gradebook($link_info['id']);
- }
- if (api_get_setting('search_enabled') == 'true') {
- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
- delete_all_values_for_item($this->cc, TOOL_LEARNPATH, $this->lp_id);
- }
- }
- /**
- * Removes all the children of one item - dangerous!
- * @param integer $id Element ID of which children have to be removed
- * @return integer Total number of children removed
- */
- public function delete_children_items($id)
- {
- $course_id = $this->course_info['real_id'];
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::delete_children_items(' . $id . ')', 0);
- }
- $num = 0;
- if (empty ($id) || $id != strval(intval($id))) {
- return false;
- }
- $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $id";
- $res = Database::query($sql);
- while ($row = Database :: fetch_array($res)) {
- $num += $this->delete_children_items($row['id']);
- $sql_del = "DELETE FROM $lp_item WHERE c_id = ".$course_id." AND id = " . $row['id'];
- Database::query($sql_del);
- $num++;
- }
- return $num;
- }
- /**
- * Removes an item from the current learnpath
- * @param integer $id Elem ID (0 if first)
- * @param integer $remove Whether to remove the resource/data from the
- * system or leave it (default: 'keep', others 'remove')
- * @return integer Number of elements moved
- * @todo implement resource removal
- */
- public function delete_item($id, $remove = 'keep')
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::delete_item()', 0);
- }
- // TODO: Implement the resource removal.
- if (empty ($id) || $id != strval(intval($id))) {
- return false;
- }
- // First select item to get previous, next, and display order.
- $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_sel = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND id = $id";
- $res_sel = Database::query($sql_sel);
- if (Database :: num_rows($res_sel) < 1) {
- return false;
- }
- $row = Database :: fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- // Delete children items.
- $num = $this->delete_children_items($id);
- if ($this->debug > 2) {
- error_log('New LP - learnpath::delete_item() - deleted ' . $num . ' children of element ' . $id, 0);
- }
- // Now delete the item.
- $sql_del = "DELETE FROM $lp_item WHERE c_id = $course_id AND id = $id";
- if ($this->debug > 2) {
- error_log('New LP - Deleting item: ' . $sql_del, 0);
- }
- Database::query($sql_del);
- // Now update surrounding items.
- $sql_upd = "UPDATE $lp_item SET next_item_id = $next
- WHERE c_id = ".$course_id." AND id = $previous";
- Database::query($sql_upd);
- $sql_upd = "UPDATE $lp_item SET previous_item_id = $previous
- WHERE c_id = ".$course_id." AND id = $next";
- Database::query($sql_upd);
- // Now update all following items with new display order.
- $sql_all = "UPDATE $lp_item SET display_order = display_order-1
- WHERE c_id = ".$course_id." AND lp_id = $lp AND parent_item_id = $parent AND display_order > $display";
- Database::query($sql_all);
- //Removing prerequisites since the item will not longer exist
- $sql_all = "UPDATE $lp_item SET prerequisite = '' WHERE c_id = ".$course_id." AND prerequisite = $id";
- Database::query($sql_all);
- // Remove from search engine if enabled.
- if (api_get_setting('search_enabled') == 'true') {
- $tbl_se_ref = Database :: get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row2 = Database :: fetch_array($res);
- require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
- $di = new ChamiloIndexer();
- $di->remove_document((int) $row2['search_did']);
- }
- $sql = 'DELETE FROM %s WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp, $id);
- Database::query($sql);
- }
- }
- /**
- * Updates an item's content in place
- * @param integer $id Element ID
- * @param integer $parent Parent item ID
- * @param integer $previous Previous item ID
- * @param string $title Item title
- * @param string $description Item description
- * @param string $prerequisites Prerequisites (optional)
- * @param array $audio The array resulting of the $_FILES[mp3] element
- * @param int $max_time_allowed
- * @param string $url
- * @return boolean True on success, false on error
- */
- public function edit_item(
- $id,
- $parent,
- $previous,
- $title,
- $description,
- $prerequisites = '0',
- $audio = array(),
- $max_time_allowed = 0,
- $url = ''
- ) {
- $course_id = api_get_course_int_id();
- $_course = api_get_course_info();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::edit_item()', 0);
- }
- if (empty ($max_time_allowed)) {
- $max_time_allowed = 0;
- }
- if (empty ($id) || ($id != strval(intval($id))) || empty ($title)) {
- return false;
- }
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_select = "SELECT * FROM " . $tbl_lp_item . " WHERE c_id = ".$course_id." AND id = " . $id;
- $res_select = Database::query($sql_select);
- $row_select = Database :: fetch_array($res_select);
- $audio_update_sql = '';
- if (is_array($audio) && !empty ($audio['tmp_name']) && $audio['error'] === 0) {
- // Create the audio folder if it does not exist yet.
- $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
- if (!is_dir($filepath . 'audio')) {
- mkdir($filepath . 'audio', api_get_permissions_for_new_directories());
- $audio_id = add_document(
- $_course,
- '/audio',
- 'folder',
- 0,
- 'audio'
- );
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $audio_id,
- 'FolderCreated',
- api_get_user_id(),
- null,
- null,
- null,
- null,
- api_get_session_id()
- );
- api_item_property_update(
- $_course,
- TOOL_DOCUMENT,
- $audio_id,
- 'invisible',
- api_get_user_id(),
- null,
- null,
- null,
- null,
- api_get_session_id()
- );
- }
- // Upload file in documents.
- $pi = pathinfo($audio['name']);
- if ($pi['extension'] == 'mp3') {
- $c_det = api_get_course_info($this->cc);
- $bp = api_get_path(SYS_COURSE_PATH) . $c_det['path'] . '/document';
- $path = handle_uploaded_document($c_det, $audio, $bp, '/audio', api_get_user_id(), 0, null, 0, 'rename', false, 0);
- $path = substr($path, 7);
- // Update reference in lp_item - audio path is the path from inside de document/audio/ dir.
- $audio_update_sql = ", audio = '" . Database::escape_string($path) . "' ";
- }
- }
- $same_parent = ($row_select['parent_item_id'] == $parent) ? true : false;
- $same_previous = ($row_select['previous_item_id'] == $previous) ? true : false;
- // TODO: htmlspecialchars to be checked for encoding related problems.
- if ($same_parent && $same_previous) {
- // Only update title and description.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET title = '" . Database::escape_string($title) . "',
- prerequisite = '" . $prerequisites . "',
- description = '" . Database::escape_string($description) . "'
- " . $audio_update_sql . ",
- max_time_allowed = '" . Database::escape_string($max_time_allowed) . "'
- WHERE c_id = ".$course_id." AND id = " . $id;
- Database::query($sql);
- } else {
- $old_parent = $row_select['parent_item_id'];
- $old_previous = $row_select['previous_item_id'];
- $old_next = $row_select['next_item_id'];
- $old_order = $row_select['display_order'];
- $old_prerequisite = $row_select['prerequisite'];
- $old_max_time_allowed = $row_select['max_time_allowed'];
- /* BEGIN -- virtually remove the current item id */
- /* for the next and previous item it is like the current item doesn't exist anymore */
- if ($old_previous != 0) {
- // Next
- $sql = "UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $old_next . "
- WHERE c_id = ".$course_id." AND id = " . $old_previous;
- Database::query($sql);
- }
- if ($old_next != 0) {
- // Previous
- $sql = "UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $old_previous . "
- WHERE c_id = ".$course_id." AND id = " . $old_next;
- Database::query($sql);
- }
- // display_order - 1 for every item with a display_order bigger then the display_order of the current item.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET display_order = display_order - 1
- WHERE
- c_id = ".$course_id." AND
- display_order > " . $old_order . " AND
- lp_id = " . $this->lp_id . " AND
- parent_item_id = " . $old_parent;
- Database::query($sql);
- /* END -- virtually remove the current item id */
- /* BEGIN -- update the current item id to his new location */
- if ($previous == 0) {
- // Select the data of the item that should come after the current item.
- $sql = "SELECT id, display_order
- FROM " . $tbl_lp_item . "
- WHERE
- c_id = ".$course_id." AND
- lp_id = " . $this->lp_id . " AND
- parent_item_id = " . $parent . " AND
- previous_item_id = " . $previous;
- $res_select_old = Database::query($sql);
- $row_select_old = Database::fetch_array($res_select_old);
- // If the new parent didn't have children before.
- if (Database :: num_rows($res_select_old) == 0) {
- $new_next = 0;
- $new_order = 1;
- } else {
- $new_next = $row_select_old['id'];
- $new_order = $row_select_old['display_order'];
- }
- } else {
- // Select the data of the item that should come before the current item.
- $sql = "SELECT next_item_id, display_order
- FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND id = " . $previous;
- $res_select_old = Database::query($sql);
- $row_select_old = Database :: fetch_array($res_select_old);
- $new_next = $row_select_old['next_item_id'];
- $new_order = $row_select_old['display_order'] + 1;
- }
- // TODO: htmlspecialchars to be checked for encoding related problems.
- // Update the current item with the new data.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET
- title = '" . Database::escape_string($title) . "',
- description = '" . Database::escape_string($description) . "',
- parent_item_id = " . $parent . ",
- previous_item_id = " . $previous . ",
- next_item_id = " . $new_next . ",
- display_order = " . $new_order . "
- " . $audio_update_sql . "
- WHERE c_id = ".$course_id." AND id = " . $id;
- Database::query($sql);
- if ($previous != 0) {
- // Update the previous item's next_item_id.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET next_item_id = " . $id . "
- WHERE c_id = ".$course_id." AND id = " . $previous;
- Database::query($sql);
- }
- if ($new_next != 0) {
- // Update the next item's previous_item_id.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET previous_item_id = " . $id . "
- WHERE c_id = ".$course_id." AND id = " . $new_next;
- Database::query($sql);
- }
- if ($old_prerequisite != $prerequisites) {
- $sql = "UPDATE " . $tbl_lp_item . "
- SET prerequisite = '" . $prerequisites . "'
- WHERE c_id = ".$course_id." AND id = " . $id;
- Database::query($sql);
- }
- if ($old_max_time_allowed != $max_time_allowed) {
- // update max time allowed
- $sql = "UPDATE " . $tbl_lp_item . "
- SET max_time_allowed = " . $max_time_allowed . "
- WHERE c_id = ".$course_id." AND id = " . $id;
- Database::query($sql);
- }
- // Update all the items with the same or a bigger display_order than the current item.
- $sql = "UPDATE " . $tbl_lp_item . "
- SET display_order = display_order + 1
- WHERE
- c_id = ".$course_id." AND
- lp_id = " . $this->get_id() . " AND
- id <> " . $id . " AND
- parent_item_id = " . $parent . " AND
- display_order >= " . $new_order;
- Database::query($sql);
- }
- if ($row_select['item_type'] == 'link') {
- $link = new Link();
- $linkId = $row_select['path'];
- $link->updateLink($linkId, $url);
- }
- }
- /**
- * Updates an item's prereq in place
- * @param integer $id Element ID
- * @param string $prerequisite_id Prerequisite Element ID
- * @param int $mastery_score Prerequisite min score
- * @param int $max_score Prerequisite max score
- *
- * @return boolean True on success, false on error
- */
- public function edit_item_prereq($id, $prerequisite_id, $mastery_score = 0, $max_score = 100)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::edit_item_prereq(' . $id . ',' . $prerequisite_id . ',' . $mastery_score . ',' . $max_score . ')', 0);
- }
- if (empty($id) || ($id != strval(intval($id))) || empty ($prerequisite_id)) {
- return false;
- }
- $prerequisite_id = intval($prerequisite_id);
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- if (!is_numeric($mastery_score) || $mastery_score < 0) {
- $mastery_score = 0;
- }
- if (!is_numeric($max_score) || $max_score < 0) {
- $max_score = 100;
- }
- /*if ($mastery_score > $max_score) {
- $max_score = $mastery_score;
- }*/
- if (!is_numeric($prerequisite_id)) {
- $prerequisite_id = 'NULL';
- }
- $mastery_score = floatval($mastery_score);
- $max_score = floatval($max_score);
- $sql = " UPDATE $tbl_lp_item
- SET
- prerequisite = $prerequisite_id ,
- prerequisite_min_score = $mastery_score ,
- prerequisite_max_score = $max_score
- WHERE c_id = $course_id AND id = $id";
- Database::query($sql);
- if ($prerequisite_id != 'NULL' && $prerequisite_id != '') {
- // Will this be enough to ensure unicity?
- /*$sql = " UPDATE $tbl_lp_item
- SET mastery_score = $mastery_score
- WHERE c_id = $course_id AND ref = '$prerequisite_id'";
- Database::query($sql);*/
- }
- // TODO: Update the item object (can be ignored for now because refreshed).
- return true;
- }
- /**
- * Escapes a string with the available database escape function
- * @param string String to escape
- * @return string String escaped
- * @deprecated use Database::escape_string
- */
- public function escape_string($string)
- {
- return Database::escape_string($string);
- }
- /**
- * Static admin function exporting a learnpath into a zip file
- * @param string Export type (scorm, zip, cd)
- * @param string Course code
- * @param integer Learnpath ID
- * @param string Zip file name
- * @return string Zip file path (or false on error)
- */
- public function export_lp($type, $course, $id, $zipname)
- {
- if (empty($type) || empty($course) || empty($id) || empty($zipname)) {
- return false;
- }
- $url = '';
- switch ($type) {
- case 'scorm':
- break;
- case 'zip':
- break;
- case 'cdrom':
- break;
- }
- return $url;
- }
- /**
- * Gets all the chapters belonging to the same parent as the item/chapter given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- public function get_brother_chapters($id)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_brother_chapters()', 0);
- }
- if (empty($id) || $id != strval(intval($id))) {
- return array ();
- }
- $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_parent = "SELECT * FROM $lp_item
- WHERE c_id = ".$course_id." AND id = $id AND item_type='dokeos_chapter'";
- $res_parent = Database::query($sql_parent);
- if (Database :: num_rows($res_parent) > 0) {
- $row_parent = Database :: fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql = "SELECT * FROM $lp_item
- WHERE
- c_id = ".$course_id." AND
- parent_item_id = $parent AND
- id = $id AND
- item_type='dokeos_chapter'
- ORDER BY display_order";
- $res_bros = Database::query($sql);
- $list = array();
- while ($row_bro = Database :: fetch_array($res_bros)) {
- $list[] = $row_bro;
- }
- return $list;
- }
- return array();
- }
- /**
- * Gets all the items belonging to the same parent as the item given
- * Can also be called as abstract method
- * @param integer Item ID
- * @return array A list of all the "brother items" (or an empty array on failure)
- */
- public function get_brother_items($id)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_brother_items(' . $id . ')', 0);
- }
- if (empty ($id) || $id != strval(intval($id))) {
- return array ();
- }
- $lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_parent = "SELECT * FROM $lp_item WHERE c_id = $course_id AND id = $id";
- $res_parent = Database::query($sql_parent);
- if (Database :: num_rows($res_parent) > 0) {
- $row_parent = Database :: fetch_array($res_parent);
- $parent = $row_parent['parent_item_id'];
- $sql_bros = "SELECT * FROM $lp_item WHERE c_id = ".$course_id." AND parent_item_id = $parent
- ORDER BY display_order";
- $res_bros = Database::query($sql_bros);
- $list = array ();
- while ($row_bro = Database :: fetch_array($res_bros)) {
- $list[] = $row_bro;
- }
- return $list;
- }
- return array ();
- }
- /**
- * Get the specific prefix index terms of this learning path
- * @param string $prefix
- * @return array Array of terms
- */
- public function get_common_index_terms_by_prefix($prefix)
- {
- require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
- $terms = get_specific_field_values_list_by_prefix(
- $prefix,
- $this->cc,
- TOOL_LEARNPATH,
- $this->lp_id
- );
- $prefix_terms = array();
- if (!empty($terms)) {
- foreach ($terms as $term) {
- $prefix_terms[] = $term['value'];
- }
- }
- return $prefix_terms;
- }
- /**
- * Gets the number of items currently completed
- * @param bool $failedStatusException flag to determine the failed status is not considered progressed
- * @return integer The number of items currently completed
- */
- public function get_complete_items_count($failedStatusException = false)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_complete_items_count()', 0);
- }
- $i = 0;
- $completedStatusList = array(
- 'completed',
- 'passed',
- 'succeeded',
- 'browsed'
- );
- if (!$failedStatusException) {
- $completedStatusList[] = 'failed';
- }
- foreach ($this->items as $id => $dummy) {
- // Trying failed and browsed considered "progressed" as well.
- if ($this->items[$id]->status_is($completedStatusList) &&
- $this->items[$id]->get_type() != 'dokeos_chapter' &&
- $this->items[$id]->get_type() != 'dir'
- ) {
- $i++;
- }
- }
- return $i;
- }
- /**
- * Gets the current item ID
- * @return integer The current learnpath item id
- */
- public function get_current_item_id()
- {
- $current = 0;
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_current_item_id()', 0);
- }
- if (!empty($this->current)) {
- $current = $this->current;
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_current_item_id() - Returning ' . $current, 0);
- }
- return $current;
- }
- /**
- * Force to get the first learnpath item id
- * @return integer The current learnpath item id
- */
- public function get_first_item_id()
- {
- $current = 0;
- if (is_array($this->ordered_items)) {
- $current = $this->ordered_items[0];
- }
- return $current;
- }
- /**
- * Gets the total number of items available for viewing in this SCORM
- * @return integer The total number of items
- */
- public function get_total_items_count()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_total_items_count()', 0);
- }
- return count($this->items);
- }
- /**
- * Gets the total number of items available for viewing in this SCORM but without chapters
- * @return integer The total no-chapters number of items
- */
- public function get_total_items_count_without_chapters()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_total_items_count_without_chapters()', 0);
- }
- $total = 0;
- $typeListNotToCount = self::getChapterTypes();
- foreach ($this->items as $temp2) {
- if (!in_array($temp2->get_type(), $typeListNotToCount)) {
- $total++;
- }
- }
- return $total;
- }
- /**
- * Gets the first element URL.
- * @return string URL to load into the viewer
- */
- public function first()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::first()', 0);
- error_log('$this->last_item_seen '.$this->last_item_seen);
- }
- // Test if the last_item_seen exists and is not a dir.
- if (count($this->ordered_items) == 0) {
- $this->index = 0;
- }
- if ($this->debug > 0) {
- if (isset($this->items[$this->last_item_seen])) {
- $status = $this->items[$this->last_item_seen]->get_status();
- }
- error_log('status '.$status);
- }
- if (!empty($this->last_item_seen) &&
- !empty($this->items[$this->last_item_seen]) &&
- $this->items[$this->last_item_seen]->get_type() != 'dir' &&
- $this->items[$this->last_item_seen]->get_type() != 'dokeos_chapter'
- //with this change (below) the LP will NOT go to the next item, it will take lp item we left
- //&& !$this->items[$this->last_item_seen]->is_done()
- ) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::first() - Last item seen is ' . $this->last_item_seen.' of type '.$this->items[$this->last_item_seen]->get_type(), 0);
- }
- $index = -1;
- foreach ($this->ordered_items as $myindex => $item_id) {
- if ($item_id == $this->last_item_seen) {
- $index = $myindex;
- break;
- }
- }
- if ($index == -1) {
- // Index hasn't changed, so item not found - panic (this shouldn't happen).
- if ($this->debug > 2) {
- error_log('New LP - Last item (' . $this->last_item_seen . ') was found in items but not in ordered_items, panic!', 0);
- }
- return false;
- } else {
- $this->last = $this->last_item_seen;
- $this->current = $this->last_item_seen;
- $this->index = $index;
- }
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::first() - No last item seen', 0);
- }
- $index = 0;
- // Loop through all ordered items and stop at the first item that is
- // not a directory *and* that has not been completed yet.
- while ( !empty($this->ordered_items[$index]) AND
- is_a($this->items[$this->ordered_items[$index]], 'learnpathItem') AND
- (
- $this->items[$this->ordered_items[$index]]->get_type() == 'dir' OR
- $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter' OR
- $this->items[$this->ordered_items[$index]]->is_done() === true
- ) AND $index < $this->max_ordered_items) {
- $index++;
- }
- $this->last = $this->current;
- // current is
- $this->current = isset($this->ordered_items[$index]) ? $this->ordered_items[$index] : null;
- $this->index = $index;
- if ($this->debug > 2) {
- error_log('$index ' . $index);
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::first() - No last item seen. New last = ' . $this->last . '(' . $this->ordered_items[$index] . ')', 0);
- }
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::first() - First item is ' . $this->get_current_item_id());
- }
- }
- /**
- * Gets the information about an item in a format usable as JavaScript to update
- * the JS API by just printing this content into the <head> section of the message frame
- * @param int $item_id
- * @return string
- */
- public function get_js_info($item_id = '')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_js_info(' . $item_id . ')', 0);
- }
- $info = '';
- $item_id = intval($item_id);
- if (!empty($item_id) && is_object($this->items[$item_id])) {
- //if item is defined, return values from DB
- $oItem = $this->items[$item_id];
- $info .= '<script language="javascript">';
- $info .= "top.set_score(" . $oItem->get_score() . ");\n";
- $info .= "top.set_max(" . $oItem->get_max() . ");\n";
- $info .= "top.set_min(" . $oItem->get_min() . ");\n";
- $info .= "top.set_lesson_status('" . $oItem->get_status() . "');";
- $info .= "top.set_session_time('" . $oItem->get_scorm_time('js') . "');";
- $info .= "top.set_suspend_data('" . $oItem->get_suspend_data() . "');";
- $info .= "top.set_saved_lesson_status('" . $oItem->get_status() . "');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if ($this->debug > 2) {
- error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
- }
- return $info;
- } else {
- // If item_id is empty, just update to default SCORM data.
- $info .= '<script language="javascript">';
- $info .= "top.set_score(" . learnpathItem :: get_score() . ");\n";
- $info .= "top.set_max(" . learnpathItem :: get_max() . ");\n";
- $info .= "top.set_min(" . learnpathItem :: get_min() . ");\n";
- $info .= "top.set_lesson_status('" . learnpathItem :: get_status() . "');";
- $info .= "top.set_session_time('" . learnpathItem :: getScormTimeFromParameter('js') . "');";
- $info .= "top.set_suspend_data('" . learnpathItem :: get_suspend_data() . "');";
- $info .= "top.set_saved_lesson_status('" . learnpathItem :: get_status() . "');";
- $info .= "top.set_flag_synchronized();";
- $info .= '</script>';
- if ($this->debug > 2) {
- error_log('New LP - in learnpath::get_js_info(' . $item_id . ') - returning: ' . $info, 0);
- }
- return $info;
- }
- }
- /**
- * Gets the js library from the database
- * @return string The name of the javascript library to be used
- */
- public function get_js_lib()
- {
- $lib = '';
- if (!empty ($this->js_lib)) {
- $lib = $this->js_lib;
- }
- return $lib;
- }
- /**
- * Gets the learnpath database ID
- * @return integer Learnpath ID in the lp table
- */
- public function get_id()
- {
- if (!empty ($this->lp_id)) {
- return $this->lp_id;
- } else {
- return 0;
- }
- }
- /**
- * Gets the last element URL.
- * @return string URL to load into the viewer
- */
- public function get_last()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_last()', 0);
- }
- //This is just in case the lesson doesn't cointain a valid scheme, just to avoid "Notices"
- if (count($this->ordered_items) > 0) {
- $this->index = count($this->ordered_items) - 1;
- return $this->ordered_items[$this->index];
- }
- return false;
- }
- /**
- * Gets the navigation bar for the learnpath display screen
- * @return string The HTML string to use as a navigation bar
- */
- public function get_navigation_bar($idBar = null, $display = null) {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_navigation_bar()', 0);
- }
- if(empty($idBar)){
- $idBar='control-top';
- }
- /* if(empty($display)){
- $display='display:block';
- } */
- $navbar = null;
- $lp_id = $this->lp_id;
- $mycurrentitemid = $this->get_current_item_id();
- if ($this->mode == 'fullscreen') {
- $navbar = '
- <span id="'.$idBar.'" class="buttons">
- <a class="icon-toolbar" href="lp_controller.php?action=stats&'.api_get_cidreq(true).'&lp_id='.$lp_id.'" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link">
- <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting') . '</span>
- </a>
- <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous">
- <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious') . '</span>
- </a>
- <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next">
- <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext') . '</span>
- </a>
- <a class="icon-toolbar" id="view-embedded" href="lp_controller.php?action=mode&mode=embedded" target="_top" title="embedded mode">
- <span class="fa fa-columns"></span><span class="sr-only">' . get_lang('ScormExitFullScreen') . '</span>
- </a>
- </span>';
- } else {
- $navbar = '
- <span id="'.$idBar.'" class="buttons text-right">
- <a class="icon-toolbar" href="lp_controller.php?action=stats&'.api_get_cidreq(true).'&lp_id='.$lp_id.'" onclick="window.parent.API.save_asset();return true;" target="content_name" title="stats" id="stats_link">
- <span class="fa fa-info"></span><span class="sr-only">' . get_lang('Reporting') . '</span>
- </a>
- <a class="icon-toolbar" id="scorm-previous" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'previous\');return false;" title="previous">
- <span class="fa fa-chevron-left"></span><span class="sr-only">' . get_lang('ScormPrevious') . '</span>
- </a>
- <a class="icon-toolbar" id="scorm-next" href="#" onclick="switch_item(' . $mycurrentitemid . ',\'next\');return false;" title="next">
- <span class="fa fa-chevron-right"></span><span class="sr-only">' . get_lang('ScormNext') . '</span>
- </a>
- </span>';
- }
- return $navbar;
- }
- /**
- * Gets the next resource in queue (url).
- * @return string URL to load into the viewer
- */
- public function get_next_index()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_next_index()', 0);
- }
- // TODO
- $index = $this->index;
- $index++;
- if ($this->debug > 2) {
- error_log('New LP - Now looking at ordered_items[' . ($index) . '] - type is ' . $this->items[$this->ordered_items[$index]]->type, 0);
- }
- while (!empty ($this->ordered_items[$index]) AND ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') AND $index < $this->max_ordered_items) {
- $index++;
- if ($index == $this->max_ordered_items){
- if ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter') {
- return $this->index;
- } else {
- return $index;
- }
- }
- }
- if (empty ($this->ordered_items[$index])) {
- return $this->index;
- }
- if ($this->debug > 2) {
- error_log('New LP - index is now ' . $index, 0);
- }
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Next item (DB) ID
- */
- public function get_next_item_id()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_next_item_id()', 0);
- }
- $new_index = $this->get_next_index();
- if (!empty ($new_index)) {
- if (isset ($this->ordered_items[$new_index])) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_next_index() - Returning ' . $this->ordered_items[$new_index], 0);
- }
- return $this->ordered_items[$new_index];
- }
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_next_index() - Problem - Returning 0', 0);
- }
- return 0;
- }
- /**
- * Returns the package type ('scorm','aicc','scorm2004','dokeos','ppt'...)
- *
- * Generally, the package provided is in the form of a zip file, so the function
- * has been written to test a zip file. If not a zip, the function will return the
- * default return value: ''
- * @param string the path to the file
- * @param string the original name of the file
- * @return string 'scorm','aicc','scorm2004','dokeos' or '' if the package cannot be recognized
- */
- public static function get_package_type($file_path, $file_name)
- {
- // Get name of the zip file without the extension.
- $file_info = pathinfo($file_name);
- $filename = $file_info['basename']; // Name including extension.
- $extension = $file_info['extension']; // Extension only.
- if (!empty($_POST['ppt2lp']) && !in_array(strtolower($extension), array(
- 'dll',
- 'exe'
- ))) {
- return 'oogie';
- }
- if (!empty($_POST['woogie']) && !in_array(strtolower($extension), array(
- 'dll',
- 'exe'
- ))) {
- return 'woogie';
- }
- // Filename without its extension.
- $file_base_name = str_replace('.' . $extension, '', $filename);
- $zipFile = new PclZip($file_path);
- // Check the zip content (real size and file extension).
- $zipContentArray = $zipFile->listContent();
- $package_type = '';
- $at_root = false;
- $manifest = '';
- $aicc_match_crs = 0;
- $aicc_match_au = 0;
- $aicc_match_des = 0;
- $aicc_match_cst = 0;
- // The following loop should be stopped as soon as we found the right imsmanifest.xml (how to recognize it?).
- if (is_array($zipContentArray) && count($zipContentArray) > 0) {
- foreach ($zipContentArray as $thisContent) {
- if (preg_match('~.(php.*|phtml)$~i', $thisContent['filename'])) {
- // New behaviour: Don't do anything. These files will be removed in scorm::import_package.
- } elseif (stristr($thisContent['filename'], 'imsmanifest.xml') !== false) {
- $manifest = $thisContent['filename']; // Just the relative directory inside scorm/
- $package_type = 'scorm';
- break; // Exit the foreach loop.
- } elseif (
- preg_match('/aicc\//i', $thisContent['filename']) ||
- in_array(strtolower(pathinfo($thisContent['filename'], PATHINFO_EXTENSION)), array( 'crs','au','des','cst'))
- ) {
- $ext = strtolower(pathinfo($thisContent['filename'], PATHINFO_EXTENSION));
- switch ($ext) {
- case 'crs':
- $aicc_match_crs = 1;
- break;
- case 'au':
- $aicc_match_au = 1;
- break;
- case 'des':
- $aicc_match_des = 1;
- break;
- case 'cst':
- $aicc_match_cst = 1;
- break;
- default:
- break;
- }
- //break; // Don't exit the loop, because if we find an imsmanifest afterwards, we want it, not the AICC.
- } else {
- $package_type = '';
- }
- }
- }
- if (empty($package_type) && 4 == ($aicc_match_crs + $aicc_match_au + $aicc_match_des + $aicc_match_cst)) {
- // If found an aicc directory... (!= false means it cannot be false (error) or 0 (no match)).
- $package_type = 'aicc';
- }
- return $package_type;
- }
- /**
- * Gets the previous resource in queue (url). Also initialises time values for this viewing
- * @return string URL to load into the viewer
- */
- public function get_previous_index()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_previous_index()', 0);
- }
- $index = $this->index;
- if (isset ($this->ordered_items[$index -1])) {
- $index--;
- while (isset($this->ordered_items[$index]) && ($this->items[$this->ordered_items[$index]]->get_type() == 'dir' || $this->items[$this->ordered_items[$index]]->get_type() == 'dokeos_chapter')) {
- $index--;
- if ($index < 0) {
- return $this->index;
- }
- }
- } else {
- if ($this->debug > 2) {
- error_log('New LP - get_previous_index() - there was no previous index available, reusing ' . $index, 0);
- }
- // There is no previous item.
- }
- return $index;
- }
- /**
- * Gets item_id for the next element
- * @return integer Previous item (DB) ID
- */
- public function get_previous_item_id()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_previous_item_id()', 0);
- }
- $new_index = $this->get_previous_index();
- return $this->ordered_items[$new_index];
- }
- /**
- * Gets the progress value from the progress_db attribute
- * @return integer Current progress value
- */
- public function get_progress()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_progress()', 0);
- }
- if (!empty ($this->progress_db)) {
- return $this->progress_db;
- }
- return 0;
- }
- /**
- * Returns the HTML necessary to print a mediaplayer block inside a page
- * @return string The mediaplayer HTML
- */
- public function get_mediaplayer($autostart = 'true')
- {
- $course_id = api_get_course_int_id();
- $_course = api_get_course_info();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_lp_item_view = Database :: get_course_table(TABLE_LP_ITEM_VIEW);
- // Getting all the information about the item.
- $sql = "SELECT * FROM ".$tbl_lp_item." as lp
- INNER JOIN ".$tbl_lp_item_view." as lp_view
- ON lp.id = lp_view.lp_item_id
- WHERE
- lp.id = '".$_SESSION['oLP']->current."' AND
- lp.c_id = $course_id AND
- lp_view.c_id = $course_id";
- $result = Database::query($sql);
- $row = Database::fetch_assoc($result);
- $output = '';
- if (!empty ($row['audio'])) {
- $list = $_SESSION['oLP']->get_toc();
- $type_quiz = false;
- foreach($list as $toc) {
- if ($toc['id'] == $_SESSION['oLP']->current && ($toc['type']=='quiz') ) {
- $type_quiz = true;
- }
- }
- if ($type_quiz) {
- if ($_SESSION['oLP']->prevent_reinit == 1) {
- $row['status'] === 'completed' ? $autostart_audio = 'false' : $autostart_audio = 'true';
- } else {
- $autostart_audio = $autostart;
- }
- } else {
- $autostart_audio = 'true';
- }
- $courseInfo = api_get_course_info();
- $audio = $row['audio'];
- $file = api_get_path(SYS_COURSE_PATH).$courseInfo['path'].'/document/audio/'.$audio;
- $url = api_get_path(WEB_COURSE_PATH).$courseInfo['path'].'/document/audio/'.$audio.'?'.api_get_cidreq();
- if (!file_exists($file)) {
- $lpPathInfo = $_SESSION['oLP']->generate_lp_folder(api_get_course_info());
- $file = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$lpPathInfo['dir'].$audio;
- $url = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$lpPathInfo['dir'].$audio.'?'.api_get_cidreq();
- }
- $player = Display::getMediaPlayer(
- $file,
- array(
- 'id' => 'lp_audio_media_player',
- 'url' => $url,
- 'autoplay' => $autostart_audio,
- 'width' => '100%'
- )
- );
- // The mp3 player.
- $output = '<div id="container">';
- $output .= $player;
- $output .= '</div>';
- }
- return $output;
- }
- /**
- * Checks if the learning path is visible for student after the progress
- * of its prerequisite is completed, considering the time availability and
- * the LP visibility.
- * @param int $lp_id
- * @param int $student_id
- * @param string Course code (optional)
- * @param int $sessionId
- * @return bool
- */
- public static function is_lp_visible_for_student(
- $lp_id,
- $student_id,
- $courseCode = null,
- $sessionId = null
- ) {
- $lp_id = (int)$lp_id;
- $courseInfo = api_get_course_info($courseCode);
- $sessionId = intval($sessionId);
- if (empty($sessionId)) {
- $sessionId = api_get_session_id();
- }
- $tbl_learnpath = Database::get_course_table(TABLE_LP_MAIN);
- // Get current prerequisite
- $sql = "SELECT id, prerequisite, subscribe_users, publicated_on, expired_on
- FROM $tbl_learnpath
- WHERE c_id = ".$courseInfo['real_id']." AND id = $lp_id";
- $itemInfo = api_get_item_property_info(
- $courseInfo['real_id'],
- TOOL_LEARNPATH,
- $lp_id,
- $sessionId
- );
- // If the item was deleted.
- if (isset($itemInfo['visibility']) && $itemInfo['visibility'] == 2) {
- return false;
- }
- $rs = Database::query($sql);
- $now = time();
- if (Database::num_rows($rs) > 0) {
- $row = Database::fetch_array($rs, 'ASSOC');
- $prerequisite = $row['prerequisite'];
- $is_visible = true;
- if (!empty($prerequisite)) {
- $progress = self::getProgress(
- $prerequisite,
- $student_id,
- $courseInfo['real_id'],
- $sessionId
- );
- $progress = intval($progress);
- if ($progress < 100) {
- $is_visible = false;
- }
- }
- // Also check the time availability of the LP
- if ($is_visible) {
- // Adding visibility restrictions
- if (!empty($row['publicated_on']) &&
- $row['publicated_on'] != '0000-00-00 00:00:00'
- ) {
- if ($now < api_strtotime($row['publicated_on'], 'UTC')) {
- //api_not_allowed();
- $is_visible = false;
- }
- }
- // Blocking empty start times see BT#2800
- global $_custom;
- if (isset($_custom['lps_hidden_when_no_start_date']) &&
- $_custom['lps_hidden_when_no_start_date']
- ) {
- if (empty($row['publicated_on']) || $row['publicated_on'] == '0000-00-00 00:00:00') {
- //api_not_allowed();
- $is_visible = false;
- }
- }
- if (!empty($row['expired_on']) && $row['expired_on'] != '0000-00-00 00:00:00') {
- if ($now > api_strtotime($row['expired_on'], 'UTC')) {
- //api_not_allowed();
- $is_visible = false;
- }
- }
- }
- // Check if the subscription users/group to a LP is ON
- if (isset($row['subscribe_users']) && $row['subscribe_users'] == 1) {
- // Try group
- $is_visible = false;
- // Checking only the user visibility
- $userVisibility = api_get_item_visibility(
- $courseInfo,
- 'learnpath',
- $row['id'],
- $sessionId,
- $student_id,
- 'LearnpathSubscription'
- );
- if ($userVisibility == 1) {
- $is_visible = true;
- } else {
- $userGroups = GroupManager::getAllGroupPerUserSubscription($student_id);
- if (!empty($userGroups)) {
- foreach ($userGroups as $groupInfo) {
- $groupId = $groupInfo['iid'];
- $userVisibility = api_get_item_visibility(
- $courseInfo,
- 'learnpath',
- $row['id'],
- $sessionId,
- null,
- 'LearnpathSubscription',
- $groupId
- );
- if ($userVisibility == 1) {
- $is_visible = true;
- break;
- }
- }
- }
- }
- }
- return $is_visible;
- }
- return false;
- }
- /**
- * @param int $lpId
- * @param int $userId
- * @param int $courseId
- * @param int $sessionId
- * @return int
- */
- public static function getProgress($lpId, $userId, $courseId, $sessionId = 0)
- {
- $lpId = intval($lpId);
- $userId = intval($userId);
- $courseId = intval($courseId);
- $sessionId = intval($sessionId);
- $progress = 0;
- $sessionCondition = api_get_session_condition($sessionId);
- $table = Database :: get_course_table(TABLE_LP_VIEW);
- $sql = "SELECT * FROM $table
- WHERE
- c_id = ".$courseId." AND
- lp_id = $lpId AND
- user_id = $userId $sessionCondition";
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database:: fetch_array($res);
- $progress = $row['progress'];
- }
- return $progress;
- }
- /**
- * Displays a progress bar
- * completed so far.
- * @param integer $percentage Progress value to display
- * @param string $text_add Text to display near the progress value
- * @return string HTML string containing the progress bar
- */
- public static function get_progress_bar($percentage = -1, $text_add = '')
- {
- $text = $percentage . $text_add;
- $output = '<div class="progress">
- <div id="progress_bar_value" class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="' .$percentage. '" aria-valuemin="0" aria-valuemax="100" style="width: '.$text.';">
- '. $text .'
- </div>
- </div>';
- return $output;
- }
- /**
- * @param string $mode can be '%' or 'abs'
- * otherwise this value will be used $this->progress_bar_mode
- * @return string
- */
- public function getProgressBar($mode = null)
- {
- list($percentage, $text_add) = $this->get_progress_bar_text($mode);
- return self::get_progress_bar($percentage, $text_add);
- }
- /**
- * Gets the progress bar info to display inside the progress bar.
- * Also used by scorm_api.php
- * @param string $mode Mode of display (can be '%' or 'abs').abs means
- * we display a number of completed elements per total elements
- * @param integer $add Additional steps to fake as completed
- * @return list array Percentage or number and symbol (% or /xx)
- */
- public function get_progress_bar_text($mode = '', $add = 0)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_progress_bar_text()', 0);
- }
- if (empty($mode)) {
- $mode = $this->progress_bar_mode;
- }
- $total_items = $this->get_total_items_count_without_chapters();
- if ($this->debug > 2) {
- error_log('New LP - Total items available in this learnpath: ' . $total_items, 0);
- }
- $completeItems = $this->get_complete_items_count();
- if ($this->debug > 2) {
- error_log('New LP - Items completed so far: ' . $completeItems, 0);
- }
- if ($add != 0) {
- $completeItems += $add;
- if ($this->debug > 2) {
- error_log('New LP - Items completed so far (+modifier): ' . $completeItems, 0);
- }
- }
- $text = '';
- if ($completeItems > $total_items) {
- $completeItems = $total_items;
- }
- $percentage = 0;
- if ($mode == '%') {
- if ($total_items > 0) {
- $percentage = ((float) $completeItems / (float) $total_items) * 100;
- } else {
- $percentage = 0;
- }
- $percentage = number_format($percentage, 0);
- $text = '%';
- } elseif ($mode == 'abs') {
- $percentage = $completeItems;
- $text = '/' . $total_items;
- }
- return array(
- $percentage,
- $text
- );
- }
- /**
- * Gets the progress bar mode
- * @return string The progress bar mode attribute
- */
- public function get_progress_bar_mode()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_progress_bar_mode()', 0);
- }
- if (!empty ($this->progress_bar_mode)) {
- return $this->progress_bar_mode;
- } else {
- return '%';
- }
- }
- /**
- * Gets the learnpath proximity (remote or local)
- * @return string Learnpath proximity
- */
- public function get_proximity()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_proximity()', 0);
- }
- if (!empty ($this->proximity)) {
- return $this->proximity;
- } else {
- return '';
- }
- }
- /**
- * Gets the learnpath theme (remote or local)
- * @return string Learnpath theme
- */
- public function get_theme()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_theme()', 0);
- }
- if (!empty ($this->theme)) {
- return $this->theme;
- } else {
- return '';
- }
- }
- /**
- * Gets the learnpath session id
- * @return string Learnpath theme
- */
- public function get_lp_session_id()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_lp_session_id()', 0);
- }
- if (!empty ($this->lp_session_id)) {
- return $this->lp_session_id;
- } else {
- return 0;
- }
- }
- /**
- * Gets the learnpath image
- * @return string Web URL of the LP image
- */
- public function get_preview_image()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_preview_image()', 0);
- }
- if (!empty($this->preview_image)) {
- return $this->preview_image;
- } else {
- return '';
- }
- }
- /**
- * @param string $size
- * @param string $path_type
- * @return bool|string
- */
- public function get_preview_image_path($size = null, $path_type = 'web')
- {
- $preview_image = $this->get_preview_image();
- if (isset($preview_image) && !empty($preview_image)) {
- $image_sys_path = api_get_path(SYS_COURSE_PATH).$this->course_info['path'].'/upload/learning_path/images/';
- $image_path = api_get_path(WEB_COURSE_PATH).$this->course_info['path'].'/upload/learning_path/images/';
- if (isset($size)) {
- $info = pathinfo($preview_image);
- $image_custom_size = $info['filename'].'.'.$size.'.'.$info['extension'];
- if (file_exists($image_sys_path.$image_custom_size)) {
- if ($path_type == 'web') {
- return $image_path.$image_custom_size;
- } else {
- return $image_sys_path.$image_custom_size;
- }
- }
- } else {
- if ($path_type == 'web') {
- return $image_path.$preview_image;
- } else {
- return $image_sys_path.$preview_image;
- }
- }
- }
- return false;
- }
- /**
- * Gets the learnpath author
- * @return string LP's author
- */
- public function get_author()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_author()', 0);
- }
- if (!empty ($this->author)) {
- return $this->author;
- } else {
- return '';
- }
- }
- /**
- * Gets the learnpath author
- * @return string LP's author
- */
- public function get_hide_toc_frame()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_author()', 0);
- }
- if (!empty ($this->hide_toc_frame)) {
- return $this->hide_toc_frame;
- } else {
- return '';
- }
- }
- /**
- * Generate a new prerequisites string for a given item. If this item was a sco and
- * its prerequisites were strings (instead of IDs), then transform those strings into
- * IDs, knowing that SCORM IDs are kept in the "ref" field of the lp_item table.
- * Prefix all item IDs that end-up in the prerequisites string by "ITEM_" to use the
- * same rule as the scorm_export() method
- * @param integer Item ID
- * @return string Prerequisites string ready for the export as SCORM
- */
- public function get_scorm_prereq_string($item_id)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_scorm_prereq_string()', 0);
- }
- if (!is_object($this->items[$item_id])) {
- return false;
- }
- /** @var learnpathItem $oItem */
- $oItem = $this->items[$item_id];
- $prereq = $oItem->get_prereq_string();
- if (empty($prereq)) {
- return '';
- }
- if (preg_match('/^\d+$/', $prereq) && is_object($this->items[$prereq])) {
- // If the prerequisite is a simple integer ID and this ID exists as an item ID,
- // then simply return it (with the ITEM_ prefix).
- //return 'ITEM_' . $prereq;
- return $this->items[$prereq]->ref;
- } else {
- if (isset($this->refs_list[$prereq])) {
- // It's a simple string item from which the ID can be found in the refs list,
- // so we can transform it directly to an ID for export.
- return $this->items[$this->refs_list[$prereq]]->ref;
- } else if (isset($this->refs_list['ITEM_'.$prereq])) {
- return $this->items[$this->refs_list['ITEM_'.$prereq]]->ref;
- } else {
- // The last case, if it's a complex form, then find all the IDs (SCORM strings)
- // and replace them, one by one, by the internal IDs (chamilo db)
- // TODO: Modify the '*' replacement to replace the multiplier in front of it
- // by a space as well.
- $find = array (
- '&',
- '|',
- '~',
- '=',
- '<>',
- '{',
- '}',
- '*',
- '(',
- ')'
- );
- $replace = array (
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' '
- );
- $prereq_mod = str_replace($find, $replace, $prereq);
- $ids = explode(' ', $prereq_mod);
- foreach ($ids as $id) {
- $id = trim($id);
- if (isset ($this->refs_list[$id])) {
- $prereq = preg_replace('/[^a-zA-Z_0-9](' . $id . ')[^a-zA-Z_0-9]/', 'ITEM_' . $this->refs_list[$id], $prereq);
- }
- }
- return $prereq;
- }
- }
- }
- /**
- * Returns the XML DOM document's node
- * @param resource Reference to a list of objects to search for the given ITEM_*
- * @param string The identifier to look for
- * @return mixed The reference to the element found with that identifier. False if not found
- */
- public function get_scorm_xml_node(& $children, $id)
- {
- for ($i = 0; $i < $children->length; $i++) {
- $item_temp = $children->item($i);
- if ($item_temp->nodeName == 'item') {
- if ($item_temp->getAttribute('identifier') == $id) {
- return $item_temp;
- }
- }
- $subchildren = $item_temp->childNodes;
- if ($subchildren && $subchildren->length > 0) {
- $val = $this->get_scorm_xml_node($subchildren, $id);
- if (is_object($val)) {
- return $val;
- }
- }
- }
- return false;
- }
- /**
- * Returns a usable array of stats related to the current learnpath and user
- * @return array Well-formatted array containing status for the current learnpath
- */
- public function get_stats()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_stats()', 0);
- }
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course (for all learnpaths and all users)
- * @param string Course code
- * @return array Well-formatted array containing status for the course's learnpaths
- */
- public function get_stats_course($course)
- {
- //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_course()', 0); }
- // TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer Learnpath ID
- * @return array Well-formatted array containing status for the specified learnpath
- */
- public function get_stats_lp($course, $lp)
- {
- //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_lp()', 0); }
- // TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course, learnpath and user.
- * @param string Course code
- * @param integer Learnpath ID
- * @param integer User ID
- * @return array Well-formatted array containing status for the specified learnpath and user
- */
- public function get_stats_lp_user($course, $lp, $user)
- {
- //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_lp_user()', 0); }
- // TODO
- }
- /**
- * Static method. Can be re-implemented by children. Gives an array of statistics for
- * the given course and learnpath (for all users)
- * @param string Course code
- * @param integer User ID
- * @return array Well-formatted array containing status for the user's learnpaths
- */
- public function get_stats_user($course, $user) {
- //if ($this->debug > 0) { error_log('New LP - In learnpath::get_stats_user()', 0); }
- // TODO
- }
- /**
- * Gets the status list for all LP's items
- * @return array Array of [index] => [item ID => current status]
- */
- public function get_items_status_list()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_items_status_list()', 0);
- }
- $list = array ();
- foreach ($this->ordered_items as $item_id) {
- $list[] = array (
- $item_id => $this->items[$item_id]->get_status()
- );
- }
- return $list;
- }
- /**
- * Return the number of interactions for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @param integer course id
- * @return integer Number of interactions
- */
- public static function get_interactions_count_from_db($lp_iv_id, $course_id)
- {
- $table = Database :: get_course_table(TABLE_LP_IV_INTERACTION);
- $lp_iv_id = intval($lp_iv_id);
- $course_id = intval($course_id);
- $sql = "SELECT count(*) FROM $table
- WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
- $res = Database::query($sql);
- $num = 0;
- if (Database::num_rows($res)) {
- $row = Database::fetch_array($res);
- $num = $row[0];
- }
- return $num;
- }
- /**
- * Return the interactions as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Transcode labels instead of switching to HTML (which requires to know the encoding of the LP)
- */
- public static function get_iv_interactions_array($lp_iv_id)
- {
- $course_id = api_get_course_int_id();
- $list = array();
- $table = Database :: get_course_table(TABLE_LP_IV_INTERACTION);
- if (empty($lp_iv_id)) {
- return array();
- }
- $sql = "SELECT * FROM $table
- WHERE c_id = ".$course_id." AND lp_iv_id = $lp_iv_id
- ORDER BY order_id ASC";
- $res = Database::query($sql);
- $num = Database :: num_rows($res);
- if ($num > 0) {
- $list[] = array (
- 'order_id' => api_htmlentities(get_lang('Order'), ENT_QUOTES),
- 'id' => api_htmlentities(get_lang('InteractionID'), ENT_QUOTES),
- 'type' => api_htmlentities(get_lang('Type'), ENT_QUOTES),
- 'time' => api_htmlentities(get_lang('TimeFinished'), ENT_QUOTES),
- 'correct_responses' => api_htmlentities(get_lang('CorrectAnswers'), ENT_QUOTES),
- 'student_response' => api_htmlentities(get_lang('StudentResponse'), ENT_QUOTES),
- 'result' => api_htmlentities(get_lang('Result'), ENT_QUOTES),
- 'latency' => api_htmlentities(get_lang('LatencyTimeSpent'), ENT_QUOTES)
- );
- while ($row = Database :: fetch_array($res)) {
- $list[] = array (
- 'order_id' => ($row['order_id'] + 1),
- 'id' => urldecode($row['interaction_id']), //urldecode because they often have %2F or stuff like that
- 'type' => $row['interaction_type'],
- 'time' => $row['completion_time'],
- //'correct_responses' => $row['correct_responses'],
- 'correct_responses' => '', // Hide correct responses from students.
- 'student_response' => $row['student_response'],
- 'result' => $row['result'],
- 'latency' => $row['latency']
- );
- }
- }
- return $list;
- }
- /**
- * Return the number of objectives for the given learnpath Item View ID.
- * This method can be used as static.
- * @param integer Item View ID
- * @return integer Number of objectives
- */
- public static function get_objectives_count_from_db($lp_iv_id, $course_id)
- {
- $table = Database :: get_course_table(TABLE_LP_IV_OBJECTIVE);
- $course_id = intval($course_id);
- $lp_iv_id = intval($lp_iv_id);
- $sql = "SELECT count(*) FROM $table
- WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id";
- //@todo seems that this always returns 0
- $res = Database::query($sql);
- $num = 0;
- if (Database::num_rows($res)) {
- $row = Database :: fetch_array($res);
- $num = $row[0];
- }
- return $num;
- }
- /**
- * Return the objectives as an array for the given lp_iv_id.
- * This method can be used as static.
- * @param integer Learnpath Item View ID
- * @return array
- * @todo Translate labels
- */
- public static function get_iv_objectives_array($lp_iv_id = 0)
- {
- $course_id = api_get_course_int_id();
- $table = Database :: get_course_table(TABLE_LP_IV_OBJECTIVE);
- $sql = "SELECT * FROM $table
- WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id
- ORDER BY order_id ASC";
- $res = Database::query($sql);
- $num = Database :: num_rows($res);
- $list = array();
- if ($num > 0) {
- $list[] = array(
- 'order_id' => api_htmlentities(get_lang('Order'), ENT_QUOTES),
- 'objective_id' => api_htmlentities(get_lang('ObjectiveID'), ENT_QUOTES),
- 'score_raw' => api_htmlentities(get_lang('ObjectiveRawScore'), ENT_QUOTES),
- 'score_max' => api_htmlentities(get_lang('ObjectiveMaxScore'), ENT_QUOTES),
- 'score_min' => api_htmlentities(get_lang('ObjectiveMinScore'), ENT_QUOTES),
- 'status' => api_htmlentities(get_lang('ObjectiveStatus'), ENT_QUOTES)
- );
- while ($row = Database :: fetch_array($res)) {
- $list[] = array (
- 'order_id' => ($row['order_id'] + 1),
- 'objective_id' => urldecode($row['objective_id']), // urldecode() because they often have %2F or stuff like that.
- 'score_raw' => $row['score_raw'],
- 'score_max' => $row['score_max'],
- 'score_min' => $row['score_min'],
- 'status' => $row['status']
- );
- }
- }
- return $list;
- }
- /**
- * Generate and return the table of contents for this learnpath. The (flat) table returned can be
- * used by get_html_toc() to be ready to display
- * @return array TOC as a table with 4 elements per row: title, link, status and level
- */
- public function get_toc()
- {
- if ($this->debug > 0) {
- error_log('learnpath::get_toc()', 0);
- }
- $toc = array();
- foreach ($this->ordered_items as $item_id) {
- if ($this->debug > 2) {
- error_log('learnpath::get_toc(): getting info for item ' . $item_id, 0);
- }
- // TODO: Change this link generation and use new function instead.
- $toc[] = array (
- 'id' => $item_id,
- 'title' => $this->items[$item_id]->get_title(),
- 'status' => $this->items[$item_id]->get_status(),
- 'level' => $this->items[$item_id]->get_level(),
- 'type' => $this->items[$item_id]->get_type(),
- 'description' => $this->items[$item_id]->get_description(),
- 'path' => $this->items[$item_id]->get_path(),
- );
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_toc() - TOC array: ' . print_r($toc, true), 0);
- }
- return $toc;
- }
- /**
- * Generate and return the table of contents for this learnpath. The JS
- * table returned is used inside of scorm_api.php
- * @return string A JS array vairiable construction
- */
- public function get_items_details_as_js($varname = 'olms.lms_item_types')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_items_details_as_js()', 0);
- }
- $toc = $varname.' = new Array();';
- foreach ($this->ordered_items as $item_id) {
- $toc.= $varname."['i$item_id'] = '".$this->items[$item_id]->get_type()."';";
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_items_details_as_js() - TOC array: ' . print_r($toc, true), 0);
- }
- return $toc;
- }
- /**
- * Gets the learning path type
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- public function get_type($get_name = false)
- {
- $res = false;
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_type()', 0);
- }
- if (!empty ($this->type)) {
- if ($get_name) {
- // Get it from the lp_type table in main db.
- } else {
- $res = $this->type;
- }
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_type() - Returning ' . ($res ? $res : 'false'), 0);
- }
- return $res;
- }
- /**
- * Gets the learning path type as static method
- * @param boolean Return the name? If false, return the ID. Default is false.
- * @return mixed Type ID or name, depending on the parameter
- */
- public static function get_type_static($lp_id = 0)
- {
- $course_id = api_get_course_int_id();
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = intval($lp_id);
- $sql = "SELECT lp_type FROM $tbl_lp
- WHERE c_id = $course_id AND id = '" . $lp_id . "'";
- $res = Database::query($sql);
- if ($res === false) {
- return null;
- }
- if (Database :: num_rows($res) <= 0) {
- return null;
- }
- $row = Database :: fetch_array($res);
- return $row['lp_type'];
- }
- /**
- * Gets a flat list of item IDs ordered for display (level by level ordered by order_display)
- * This method can be used as abstract and is recursive
- * @param integer Learnpath ID
- * @param integer Parent ID of the items to look for
- * @return mixed Ordered list of item IDs or false on error
- */
- public static function get_flat_ordered_items_list($lp, $parent = 0, $course_id = null)
- {
- if (empty($course_id)) {
- $course_id = api_get_course_int_id();
- } else {
- $course_id = intval($course_id);
- }
- $list = array();
- if (empty($lp)) {
- return false;
- }
- $lp = intval($lp);
- $parent = intval($parent);
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT id FROM $tbl_lp_item
- WHERE c_id = $course_id AND lp_id = $lp AND parent_item_id = $parent
- ORDER BY display_order";
- $res = Database::query($sql);
- while ($row = Database :: fetch_array($res)) {
- $sublist = learnpath :: get_flat_ordered_items_list($lp, $row['id'], $course_id);
- $list[] = $row['id'];
- foreach ($sublist as $item) {
- $list[] = $item;
- }
- }
- return $list;
- }
- /**
- * @return array
- */
- public static function getChapterTypes()
- {
- return array(
- 'dokeos_chapter',
- 'dokeos_module',
- 'chapter',
- 'dir'
- );
- }
- /**
- * Uses the table generated by get_toc() and returns an HTML-formatted string ready to display
- * @return string HTML TOC ready to display
- */
- public function get_html_toc($toc_list = null)
- {
- $is_allowed_to_edit = api_is_allowed_to_edit(null, true, false, false);
- if ($this->debug > 0) {
- error_log('In learnpath::get_html_toc()', 0);
- }
- if (empty($toc_list)) {
- $toc_list = $this->get_toc();
- }
- //$html = '<div id="scorm_title" class="scorm-heading">'.Security::remove_XSS($this->get_name()) . '</div>';
- $html = '<div class="scorm-body">';
- $html .= '<div id="inner_lp_toc" class="inner_lp_toc scrollbar-light">';
- require_once 'resourcelinker.inc.php';
- // Temporary variables.
- $mycurrentitemid = $this->get_current_item_id();
- $color_counter = 0;
- $i = 0;
- foreach ($toc_list as $item) {
- // Style Status
- $class_name = [
- 'not attempted' => 'scorm_not_attempted',
- 'incomplete' => 'scorm_not_attempted',
- 'failed' => 'scorm_failed',
- 'completed' => 'scorm_completed',
- 'passed' => 'scorm_completed',
- 'succeeded' => 'scorm_completed',
- 'browsed' => 'scorm_completed',
- ];
- $scorm_color_background = 'row_odd';
- $style_item = '';
- if ($color_counter % 2 == 0) {
- $scorm_color_background = 'row_even';
- }
- $dirTypes = self::getChapterTypes();
- if (in_array($item['type'], $dirTypes)) {
- $scorm_color_background ='scorm_item_section ';
- $style_item = '';
- }
- if ($item['id'] == $this->current) {
- $scorm_color_background = 'scorm_item_normal '.$scorm_color_background.' scorm_highlight';
- } elseif (!in_array($item['type'], $dirTypes)) {
- $scorm_color_background = 'scorm_item_normal '.$scorm_color_background.' ';
- }
- $html .= '<div id="toc_' . $item['id'] . '" class="' . $scorm_color_background . ' '.$class_name[$item['status']].' ">';
- // Learning path title
- $title = $item['title'];
- if (empty ($title)) {
- $title = rl_get_resource_name(api_get_course_id(), $this->get_id(), $item['id']);
- }
- $title = Security::remove_XSS($title);
- // Learning path personalization
- // build the LP tree
- // The anchor atoc_ will let us center the TOC on the currently viewed item &^D
- $description = $item['description'];
- if (empty($description)) {
- $description = $title;
- }
- if (in_array($item['type'], $dirTypes)) {
- // Chapters
- $html .= '<div class="'.$style_item.' scorm_section_level_'.$item['level'].'" title="'.$description.'" >';
- } else {
- $html .= '<div class="'.$style_item.' scorm_item_level_'.$item['level'].' scorm_type_'.learnpath::format_scorm_type_item($item['type']).'" title="'.$description.'" >';
- $html .= '<a name="atoc_'.$item['id'].'"></a>';
- }
- if (in_array($item['type'], $dirTypes)) {
- // Chapter
- // if you want to put an image before, you should use css
- $html .= stripslashes($title);
- } else {
- $this->get_link('http', $item['id'], $toc_list);
- $html .= '<a class="items-list" href="#" onclick="switch_item(' .$mycurrentitemid . ',' .$item['id'] . ');' .'return false;" >' . stripslashes($title) . '</a>';
- }
- $html .= "</div>";
- if ($scorm_color_background != '') {
- $html .= '</div>';
- }
- $color_counter++;
- }
- $html .= "</div>";
- $html .= "</div>";
- return $html;
- }
- /**
- * Returns an HTML-formatted string ready to display with teacher buttons
- * in LP view menu
- * @return string HTML TOC ready to display
- */
- public function get_teacher_toc_buttons()
- {
- $is_allowed_to_edit = api_is_allowed_to_edit(null, true, false, false);
- $hide_teacher_icons_lp = api_get_configuration_value('hide_teacher_icons_lp');
- $html = '';
- if ($is_allowed_to_edit && $hide_teacher_icons_lp == false) {
- $gradebook = '';
- if (!empty($_GET['gradebook'])) {
- $gradebook = Security:: remove_XSS($_GET['gradebook']);
- }
- if ($this->get_lp_session_id() == api_get_session_id()) {
- $html .= '<div id="actions_lp" class="actions_lp"><hr>';
- $html .= '<div class="btn-group">';
- $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?" . api_get_cidreq()."&gradebook=$gradebook&action=build&lp_id=" . $this->lp_id . "&isStudentView=false' target='_parent'>" .
- Display::returnFontAwesomeIcon('street-view') . get_lang('Overview') . "</a>";
- $html .= "<a class='btn btn-sm btn-default' href='lp_controller.php?" . api_get_cidreq()."&action=add_item&type=step&lp_id=" . $this->lp_id . "&isStudentView=false' target='_parent'>" .
- Display::returnFontAwesomeIcon('pencil') . get_lang('Edit') . "</a>";
- $html .= '<a class="btn btn-sm btn-default" href="lp_controller.php?'.api_get_cidreq()."&gradebook=$gradebook&action=edit&lp_id=" . $this->lp_id.'&isStudentView=false">' .
- Display::returnFontAwesomeIcon('cog') . get_lang('Settings').'</a>';
- $html .= '</div>';
- $html .= '</div>';
- }
- }
- return $html;
- }
- /**
- * Gets the learnpath maker name - generally the editor's name
- * @return string Learnpath maker name
- */
- public function get_maker()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_maker()', 0);
- }
- if (!empty ($this->maker)) {
- return $this->maker;
- } else {
- return '';
- }
- }
- /**
- * Gets the learnpath name/title
- * @return string Learnpath name/title
- */
- public function get_name()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_name()', 0);
- }
- if (!empty ($this->name)) {
- return $this->name;
- } else {
- return 'N/A';
- }
- }
- /**
- * Gets a link to the resource from the present location, depending on item ID.
- * @param string $type Type of link expected
- * @param integer $item_id Learnpath item ID
- * @return string $provided_toc Link to the lp_item resource
- */
- public function get_link($type = 'http', $item_id = null, $provided_toc = false)
- {
- $course_id = $this->get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_link(' . $type . ',' . $item_id . ')', 0);
- }
- if (empty($item_id)) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() - no item id given in learnpath::get_link(), using current: ' . $this->get_current_item_id(), 0);
- }
- $item_id = $this->get_current_item_id();
- }
- if (empty($item_id)) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() - no current item id found in learnpath object', 0);
- }
- //still empty, this means there was no item_id given and we are not in an object context or
- //the object property is empty, return empty link
- $item_id = $this->first();
- return '';
- }
- $file = '';
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- $lp_item_table = Database::get_course_table(TABLE_LP_ITEM);
- $lp_item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $item_id = intval($item_id);
- $sql = "SELECT
- l.lp_type as ltype,
- l.path as lpath,
- li.item_type as litype,
- li.path as lipath,
- li.parameters as liparams
- FROM $lp_table l
- INNER JOIN $lp_item_table li
- ON (li.lp_id = l.id AND l.c_id = $course_id AND li.c_id = $course_id )
- WHERE li.id = $item_id ";
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() - selecting item ' . $sql, 0);
- }
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $lp_type = $row['ltype'];
- $lp_path = $row['lpath'];
- $lp_item_type = $row['litype'];
- $lp_item_path = $row['lipath'];
- $lp_item_params = $row['liparams'];
- if (empty($lp_item_params) && strpos($lp_item_path, '?') !== false) {
- list($lp_item_path, $lp_item_params) = explode('?', $lp_item_path);
- }
- $sys_course_path = api_get_path(SYS_COURSE_PATH) . api_get_course_path();
- if ($type == 'http') {
- $course_path = api_get_path(WEB_COURSE_PATH) . api_get_course_path(); //web path
- } else {
- $course_path = $sys_course_path; //system path
- }
- // Fixed issue BT#1272 - If the item type is a Chamilo Item (quiz, link, etc), then change the lp type to thread it as a normal Chamilo LP not a SCO.
- if (in_array($lp_item_type, array('quiz', 'document', 'final_item', 'link', 'forum', 'thread', 'student_publication'))) {
- $lp_type = 1;
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() - $lp_type ' . $lp_type, 0);
- error_log('New LP - In learnpath::get_link() - $lp_item_type ' . $lp_item_type, 0);
- }
- // Now go through the specific cases to get the end of the path
- // @todo Use constants instead of int values.
- switch ($lp_type) {
- case 1 :
- if ($lp_item_type == 'dokeos_chapter') {
- $file = 'lp_content.php?type=dir';
- } else {
- require_once 'resourcelinker.inc.php';
- $file = rl_get_resource_link_for_learnpath(
- $course_id,
- $this->get_id(),
- $item_id,
- $this->get_view_id()
- );
- if ($this->debug > 0) {
- error_log('rl_get_resource_link_for_learnpath - file: ' . $file, 0);
- }
- if ($lp_item_type == 'link') {
- if (Link::is_youtube_link($file)) {
- $src = Link::get_youtube_video_id($file);
- $file = api_get_path(WEB_CODE_PATH).'newscorm/embed.php?type=youtube&source='.$src;
- } elseif (Link::isVimeoLink($file)) {
- $src = Link::getVimeoLinkId($file);
- $file = api_get_path(WEB_CODE_PATH).'newscorm/embed.php?type=vimeo&source='.$src;
- } else {
- // If the current site is HTTPS and the link is
- // HTTP, browsers will refuse opening the link
- $urlId = api_get_current_access_url_id();
- $url = api_get_access_url($urlId, false);
- $protocol = substr($url['url'], 0, 5);
- if ($protocol === 'https') {
- $linkProtocol = substr($file, 0, 5);
- if ($linkProtocol === 'http:') {
- //this is the special intervention case
- $file = api_get_path(WEB_CODE_PATH).'newscorm/embed.php?type=nonhttps&source=' . urlencode($file);
- }
- }
- }
- } else {
- // Check how much attempts of a exercise exits in lp
- $lp_item_id = $this->get_current_item_id();
- $lp_view_id = $this->get_view_id();
- $prevent_reinit = null;
- if (isset($this->items[$this->current])) {
- $prevent_reinit = $this->items[$this->current]->get_prevent_reinit();
- }
- if (empty($provided_toc)) {
- if ($this->debug > 0) {
- error_log('In learnpath::get_link() Loading get_toc ', 0);
- }
- $list = $this->get_toc();
- } else {
- if ($this->debug > 0) {
- error_log('In learnpath::get_link() Loading get_toc from "cache" ', 0);
- }
- $list = $provided_toc;
- }
- $type_quiz = false;
- foreach ($list as $toc) {
- if ($toc['id'] == $lp_item_id && ($toc['type'] == 'quiz')) {
- $type_quiz = true;
- }
- }
- if ($type_quiz) {
- $lp_item_id = intval($lp_item_id);
- $lp_view_id = intval($lp_view_id);
- $sql = "SELECT count(*) FROM $lp_item_view_table
- WHERE
- c_id = $course_id AND
- lp_item_id='" . $lp_item_id . "' AND
- lp_view_id ='" . $lp_view_id . "' AND
- status='completed'";
- $result = Database::query($sql);
- $row_count = Database :: fetch_row($result);
- $count_item_view = (int) $row_count[0];
- $not_multiple_attempt = 0;
- if ($prevent_reinit === 1 && $count_item_view > 0) {
- $not_multiple_attempt = 1;
- }
- $file .= '¬_multiple_attempt=' . $not_multiple_attempt;
- }
- $tmp_array = explode('/', $file);
- $document_name = $tmp_array[count($tmp_array) - 1];
- if (strpos($document_name, '_DELETED_')) {
- $file = 'blank.php?error=document_deleted';
- }
- }
- }
- break;
- case 2 :
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
- }
- if ($lp_item_type != 'dir') {
- // Quite complex here:
- // We want to make sure 'http://' (and similar) links can
- // be loaded as is (withouth the Chamilo path in front) but
- // some contents use this form: resource.htm?resource=http://blablabla
- // which means we have to find a protocol at the path's start, otherwise
- // it should not be considered as an external URL.
- //if ($this->prerequisites_match($item_id)) {
- if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
- }
- // Distant url, return as is.
- $file = $lp_item_path;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
- }
- // Prevent getting untranslatable urls.
- $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
- $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
- // Prepare the path.
- $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
- // TODO: Fix this for urls with protocol header.
- $file = str_replace('//', '/', $file);
- $file = str_replace(':/', '://', $file);
- if (substr($lp_path, -1) == '/') {
- $lp_path = substr($lp_path, 0, -1);
- }
- if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $lp_item_path))) {
- // if file not found.
- $decoded = html_entity_decode($lp_item_path);
- list ($decoded) = explode('?', $decoded);
- if (!is_file(realpath($sys_course_path . '/scorm/' . $lp_path . '/' . $decoded))) {
- require_once 'resourcelinker.inc.php';
- $file = rl_get_resource_link_for_learnpath(
- $course_id,
- $this->get_id(),
- $item_id,
- $this->get_view_id()
- );
- if (empty($file)) {
- $file = 'blank.php?error=document_not_found';
- } else {
- $tmp_array = explode('/', $file);
- $document_name = $tmp_array[count($tmp_array) - 1];
- if (strpos($document_name, '_DELETED_')) {
- $file = 'blank.php?error=document_deleted';
- } else {
- $file = 'blank.php?error=document_not_found';
- }
- }
- } else {
- $file = $course_path . '/scorm/' . $lp_path . '/' . $decoded;
- }
- }
- }
- // We want to use parameters if they were defined in the imsmanifest
- if (strpos($file, 'blank.php') === false) {
- $file .= (strstr($file, '?') === false ? '?' : '') . $lp_item_params;
- }
- } else {
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 3 :
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Item type: ' . $lp_item_type, 0);
- }
- // Formatting AICC HACP append URL.
- $aicc_append = '?aicc_sid=' . urlencode(session_id()) . '&aicc_url=' . urlencode(api_get_path(WEB_CODE_PATH) . 'newscorm/aicc_hacp.php') . '&';
- if (!empty($lp_item_params)) {
- $aicc_append .= $lp_item_params . '&';
- }
- if ($lp_item_type != 'dir') {
- // Quite complex here:
- // We want to make sure 'http://' (and similar) links can
- // be loaded as is (withouth the Chamilo path in front) but
- // some contents use this form: resource.htm?resource=http://blablabla
- // which means we have to find a protocol at the path's start, otherwise
- // it should not be considered as an external URL.
- if (preg_match('#^[a-zA-Z]{2,5}://#', $lp_item_path) != 0) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - Found match for protocol in ' . $lp_item_path, 0);
- }
- // Distant url, return as is.
- $file = $lp_item_path;
- // Enabled and modified by Ivan Tcholakov, 16-OCT-2008.
- /*
- if (stristr($file,'<servername>') !== false) {
- $file = str_replace('<servername>', $course_path.'/scorm/'.$lp_path.'/', $lp_item_path);
- }
- */
- if (stripos($file, '<servername>') !== false) {
- //$file = str_replace('<servername>',$course_path.'/scorm/'.$lp_path.'/',$lp_item_path);
- $web_course_path = str_replace('https://', '', str_replace('http://', '', $course_path));
- $file = str_replace('<servername>', $web_course_path . '/scorm/' . $lp_path, $lp_item_path);
- }
- //
- $file .= $aicc_append;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() ' . __LINE__ . ' - No starting protocol in ' . $lp_item_path, 0);
- }
- // Prevent getting untranslatable urls.
- $lp_item_path = preg_replace('/%2F/', '/', $lp_item_path);
- $lp_item_path = preg_replace('/%3A/', ':', $lp_item_path);
- // Prepare the path - lp_path might be unusable because it includes the "aicc" subdir name.
- $file = $course_path . '/scorm/' . $lp_path . '/' . $lp_item_path;
- // TODO: Fix this for urls with protocol header.
- $file = str_replace('//', '/', $file);
- $file = str_replace(':/', '://', $file);
- $file .= $aicc_append;
- }
- } else {
- $file = 'lp_content.php?type=dir';
- }
- break;
- case 4 :
- break;
- default :
- break;
- }
- // Replace & by & because & will break URL with params
- $file = !empty($file) ? str_replace('&', '&', $file) : '';
- }
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::get_link() - returning "' . $file . '" from get_link', 0);
- }
- return $file;
- }
- /**
- * Gets the latest usable view or generate a new one
- * @param integer Optional attempt number. If none given, takes the highest from the lp_view table
- * @return integer DB lp_view id
- */
- public function get_view($attempt_num = 0)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_view()', 0);
- }
- $search = '';
- // Use $attempt_num to enable multi-views management (disabled so far).
- if ($attempt_num != 0 AND intval(strval($attempt_num)) == $attempt_num) {
- $search = 'AND view_count = ' . $attempt_num;
- }
- // When missing $attempt_num, search for a unique lp_view record for this lp and user.
- $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
- $course_id = api_get_course_int_id();
- $sessionId = api_get_session_id();
- $sql = "SELECT id, view_count FROM $lp_view_table
- WHERE
- c_id = " . $course_id . " AND
- lp_id = " . $this->get_id() . " AND
- user_id = " . $this->get_user_id() . " AND
- session_id = $sessionId
- $search
- ORDER BY view_count DESC";
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $this->lp_view_id = $row['id'];
- } else if (!api_is_invitee()) {
- // There is no database record, create one.
- $sql = "INSERT INTO $lp_view_table (c_id, lp_id,user_id, view_count, session_id) VALUES
- ($course_id, " . $this->get_id() . "," . $this->get_user_id() . ", 1, $sessionId)";
- Database::query($sql);
- $id = Database :: insert_id();
- $this->lp_view_id = $id;
- $sql = "UPDATE $lp_view_table SET id = iid WHERE iid = $id";
- Database::query($sql);
- }
- return $this->lp_view_id;
- }
- /**
- * Gets the current view id
- * @return integer View ID (from lp_view)
- */
- public function get_view_id()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_view_id()', 0);
- }
- if (!empty ($this->lp_view_id)) {
- return $this->lp_view_id;
- } else {
- return 0;
- }
- }
- /**
- * Gets the update queue
- * @return array Array containing IDs of items to be updated by JavaScript
- */
- public function get_update_queue()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_update_queue()', 0);
- }
- return $this->update_queue;
- }
- /**
- * Gets the user ID
- * @return integer User ID
- */
- public function get_user_id()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::get_user_id()', 0);
- }
- if (!empty ($this->user_id)) {
- return $this->user_id;
- } else {
- return false;
- }
- }
- /**
- * Checks if any of the items has an audio element attached
- * @return bool True or false
- */
- public function has_audio()
- {
- if ($this->debug > 1) {
- error_log('New LP - In learnpath::has_audio()', 0);
- }
- $has = false;
- foreach ($this->items as $i => $item) {
- if (!empty ($this->items[$i]->audio)) {
- $has = true;
- break;
- }
- }
- return $has;
- }
- /**
- * Logs a message into a file
- * @param string Message to log
- * @return boolean True on success, false on error or if msg empty
- */
- public function log($msg)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::log()', 0);
- }
- // TODO
- $this->error .= $msg;
- return true;
- }
- /**
- * Moves an item up and down at its level
- * @param integer Item to move up and down
- * @param string Direction 'up' or 'down'
- * @return integer New display order, or false on error
- */
- public function move_item($id, $direction)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::move_item(' . $id . ',' . $direction . ')', 0);
- }
- if (empty($id) || empty($direction)) {
- return false;
- }
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_sel = "SELECT *
- FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND id = " . $id;
- $res_sel = Database::query($sql_sel);
- // Check if elem exists.
- if (Database :: num_rows($res_sel) < 1) {
- return false;
- }
- // Gather data.
- $row = Database :: fetch_array($res_sel);
- $previous = $row['previous_item_id'];
- $next = $row['next_item_id'];
- $display = $row['display_order'];
- $parent = $row['parent_item_id'];
- $lp = $row['lp_id'];
- // Update the item (switch with previous/next one).
- switch ($direction) {
- case 'up':
- if ($this->debug > 2) {
- error_log('Movement up detected', 0);
- }
- if ($display <= 1) { /*do nothing*/
- } else {
- $sql_sel2 = "SELECT * FROM $tbl_lp_item
- WHERE c_id = ".$course_id." AND id = $previous";
- if ($this->debug > 2) {
- error_log('Selecting previous: ' . $sql_sel2, 0);
- }
- $res_sel2 = Database::query($sql_sel2);
- if (Database :: num_rows($res_sel2) < 1) {
- $previous_previous = 0;
- }
- // Gather data.
- $row2 = Database :: fetch_array($res_sel2);
- $previous_previous = $row2['previous_item_id'];
- // Update previous_previous item (switch "next" with current).
- if ($previous_previous != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- next_item_id = $id
- WHERE c_id = ".$course_id." AND id = $previous_previous";
- if ($this->debug > 2) {
- error_log($sql_upd2, 0);
- }
- Database::query($sql_upd2);
- }
- // Update previous item (switch with current).
- if ($previous != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- next_item_id = $next,
- previous_item_id = $id,
- display_order = display_order +1
- WHERE c_id = ".$course_id." AND id = $previous";
- if ($this->debug > 2) {
- error_log($sql_upd2, 0);
- }
- Database::query($sql_upd2);
- }
- // Update current item (switch with previous).
- if ($id != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- next_item_id = $previous,
- previous_item_id = $previous_previous,
- display_order = display_order-1
- WHERE c_id = ".$course_id." AND id = $id";
- if ($this->debug > 2) {
- error_log($sql_upd2, 0);
- }
- Database::query($sql_upd2);
- }
- // Update next item (new previous item).
- if ($next != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET previous_item_id = $previous
- WHERE c_id = ".$course_id." AND id = $next";
- if ($this->debug > 2) {
- error_log($sql_upd2, 0);
- }
- Database::query($sql_upd2);
- }
- $display = $display -1;
- }
- break;
- case 'down':
- if ($this->debug > 2) {
- error_log('Movement down detected', 0);
- }
- if ($next == 0) { /* Do nothing. */
- } else {
- $sql_sel2 = "SELECT * FROM $tbl_lp_item WHERE c_id = ".$course_id." AND id = $next";
- if ($this->debug > 2) {
- error_log('Selecting next: ' . $sql_sel2, 0);
- }
- $res_sel2 = Database::query($sql_sel2);
- if (Database :: num_rows($res_sel2) < 1) {
- $next_next = 0;
- }
- // Gather data.
- $row2 = Database :: fetch_array($res_sel2);
- $next_next = $row2['next_item_id'];
- // Update previous item (switch with current).
- if ($previous != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET next_item_id = $next
- WHERE c_id = ".$course_id." AND id = $previous";
- Database::query($sql_upd2);
- }
- // Update current item (switch with previous).
- if ($id != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- previous_item_id = $next, next_item_id = $next_next, display_order = display_order+1
- WHERE c_id = ".$course_id." AND id = $id";
- Database::query($sql_upd2);
- }
- // Update next item (new previous item).
- if ($next != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- previous_item_id = $previous, next_item_id = $id, display_order = display_order-1
- WHERE c_id = ".$course_id." AND id = $next";
- Database::query($sql_upd2);
- }
- // Update next_next item (switch "previous" with current).
- if ($next_next != 0) {
- $sql_upd2 = "UPDATE $tbl_lp_item SET
- previous_item_id = $id
- WHERE c_id = ".$course_id." AND id = $next_next";
- Database::query($sql_upd2);
- }
- $display = $display +1;
- }
- break;
- default :
- return false;
- }
- return $display;
- }
- /**
- * Move a learnpath up (display_order)
- * @param integer $lp_id Learnpath ID
- */
- public static function move_up($lp_id)
- {
- $course_id = api_get_course_int_id();
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id."
- ORDER BY display_order";
- $res = Database::query($sql);
- if ($res === false)
- return false;
- $lps = array ();
- $lp_order = array ();
- $num = Database :: num_rows($res);
- // First check the order is correct, globally (might be wrong because
- // of versions < 1.8.4)
- if ($num > 0) {
- $i = 1;
- while ($row = Database :: fetch_array($res)) {
- if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i
- WHERE c_id = ".$course_id." AND id = " . $row['id'];
- Database::query($sql_u);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if ($num > 1) { // If there's only one element, no need to sort.
- $order = $lps[$lp_id]['display_order'];
- if ($order > 1) { // If it's the first element, no need to move up.
- $sql_u1 = "UPDATE $lp_table SET display_order = $order
- WHERE c_id = ".$course_id." AND id = " . $lp_order[$order - 1];
- Database::query($sql_u1);
- $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order - 1) . "
- WHERE c_id = ".$course_id." AND id = " . $lp_id;
- Database::query($sql_u2);
- }
- }
- }
- /**
- * Move a learnpath down (display_order)
- * @param integer $lp_id Learnpath ID
- */
- public static function move_down($lp_id)
- {
- $course_id = api_get_course_int_id();
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id."
- ORDER BY display_order";
- $res = Database::query($sql);
- if ($res === false) {
- return false;
- }
- $lps = array ();
- $lp_order = array ();
- $num = Database :: num_rows($res);
- $max = 0;
- // First check the order is correct, globally (might be wrong because
- // of versions < 1.8.4).
- if ($num > 0) {
- $i = 1;
- while ($row = Database :: fetch_array($res)) {
- $max = $i;
- if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
- $need_fix = true;
- $sql_u = "UPDATE $lp_table SET display_order = $i
- WHERE c_id = ".$course_id." AND id = " . $row['id'];
- Database::query($sql_u);
- }
- $row['display_order'] = $i;
- $lps[$row['id']] = $row;
- $lp_order[$i] = $row['id'];
- $i++;
- }
- }
- if ($num > 1) { // If there's only one element, no need to sort.
- $order = $lps[$lp_id]['display_order'];
- if ($order < $max) { // If it's the first element, no need to move up.
- $sql_u1 = "UPDATE $lp_table SET display_order = $order
- WHERE c_id = ".$course_id." AND id = " . $lp_order[$order + 1];
- Database::query($sql_u1);
- $sql_u2 = "UPDATE $lp_table SET display_order = " . ($order + 1) . "
- WHERE c_id = ".$course_id." AND id = " . $lp_id;
- Database::query($sql_u2);
- }
- }
- }
- /**
- * Updates learnpath attributes to point to the next element
- * The last part is similar to set_current_item but processing the other way around
- */
- public function next()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::next()', 0);
- }
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false, $this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_next_index();
- if ($this->debug > 2) {
- error_log('New LP - New index: ' . $new_index, 0);
- }
- $this->index = $new_index;
- if ($this->debug > 2) {
- error_log('New LP - Now having orderedlist[' . $new_index . '] = ' . $this->ordered_items[$new_index], 0);
- }
- $this->current = $this->ordered_items[$new_index];
- if ($this->debug > 2) {
- error_log('New LP - new item id is ' . $this->current . '-' . $this->get_current_item_id(), 0);
- }
- }
- /**
- * Open a resource = initialise all local variables relative to this resource. Depending on the child
- * class, this might be redefined to allow several behaviours depending on the document type.
- * @param integer Resource ID
- * @return boolean True on success, false otherwise
- */
- public function open($id)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::open()', 0);
- }
- // TODO:
- // set the current resource attribute to this resource
- // switch on element type (redefine in child class?)
- // set status for this item to "opened"
- // start timer
- // initialise score
- $this->index = 0; //or = the last item seen (see $this->last)
- }
- /**
- * Check that all prerequisites are fulfilled. Returns true and an
- * empty string on success, returns false
- * and the prerequisite string on error.
- * This function is based on the rules for aicc_script language as
- * described in the SCORM 1.2 CAM documentation page 108.
- * @param integer $itemId Optional item ID. If none given, uses the current open item.
- * @return boolean True if prerequisites are matched, false otherwise -
- * Empty string if true returned, prerequisites string otherwise.
- */
- public function prerequisites_match($itemId = null)
- {
- $debug = $this->debug;
- if ($debug > 0) {
- error_log('In learnpath::prerequisites_match()', 0);
- }
- if (empty($itemId)) {
- $itemId = $this->current;
- }
- $currentItem = $this->getItem($itemId);
- if ($currentItem) {
- if ($this->type == 2) {
- // Getting prereq from scorm
- $prereq_string = $this->get_scorm_prereq_string($itemId);
- } else {
- $prereq_string = $currentItem->get_prereq_string();
- }
- if (empty($prereq_string)) {
- if ($debug > 0) {
- error_log('Found prereq_string is empty return true');
- }
- return true;
- }
- // Clean spaces.
- $prereq_string = str_replace(' ', '', $prereq_string);
- if ($debug > 0) {
- error_log('Found prereq_string: ' . $prereq_string, 0);
- }
- // Now send to the parse_prereq() function that will check this component's prerequisites.
- $result = $currentItem->parse_prereq(
- $prereq_string,
- $this->items,
- $this->refs_list,
- $this->get_user_id()
- );
- if ($result === false) {
- $this->set_error_msg($currentItem->prereq_alert);
- }
- } else {
- $result = true;
- if ($debug > 1) {
- error_log('$this->items[' . $itemId . '] was not an object', 0);
- }
- }
- if ($debug > 1) {
- error_log('End of prerequisites_match(). Error message is now ' . $this->error, 0);
- }
- return $result;
- }
- /**
- * Updates learnpath attributes to point to the previous element
- * The last part is similar to set_current_item but processing the other way around
- */
- public function previous()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::previous()', 0);
- }
- $this->last = $this->get_current_item_id();
- $this->items[$this->last]->save(false, $this->prerequisites_match($this->last));
- $this->autocomplete_parents($this->last);
- $new_index = $this->get_previous_index();
- $this->index = $new_index;
- $this->current = $this->ordered_items[$new_index];
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * to normal users.
- * Can be used as abstract
- * @param integer Learnpath ID
- * @param string New visibility
- */
- public static function toggle_visibility($lp_id, $set_visibility = 1)
- {
- $action = 'visible';
- if ($set_visibility != 1) {
- $action = 'invisible';
- self::toggle_publish($lp_id, 'i');
- }
- return api_item_property_update(
- api_get_course_info(),
- TOOL_LEARNPATH,
- $lp_id,
- $action,
- api_get_user_id()
- );
- }
- /**
- * Publishes a learnpath. This basically means show or hide the learnpath
- * on the course homepage
- * Can be used as abstract
- * @param integer $lp_id Learnpath id
- * @param string $set_visibility New visibility (v/i - visible/invisible)
- * @return bool
- */
- public static function toggle_publish($lp_id, $set_visibility = 'v')
- {
- $course_id = api_get_course_int_id();
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = intval($lp_id);
- $sql = "SELECT * FROM $tbl_lp
- WHERE c_id = ".$course_id." AND id = $lp_id";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- $row = Database :: fetch_array($result);
- $name = domesticate($row['name']);
- if ($set_visibility == 'i') {
- $s = $name . " " . get_lang('LearnpathNotPublished');
- $dialogBox = $s;
- $v = 0;
- }
- if ($set_visibility == 'v') {
- $s = $name . " " . get_lang('LearnpathPublished');
- $dialogBox = $s;
- $v = 1;
- }
- } else {
- return false;
- }
- $session_id = api_get_session_id();
- $session_condition = api_get_session_condition($session_id);
- $tbl_tool = Database :: get_course_table(TABLE_TOOL_LIST);
- $link = 'newscorm/lp_controller.php?action=view&lp_id='.$lp_id.'&id_session='.$session_id;
- $sql = "SELECT * FROM $tbl_tool
- WHERE
- c_id = ".$course_id." AND
- link='$link' and
- image='scormbuilder.gif' and
- link LIKE '$link%'
- $session_condition
- ";
- $result = Database::query($sql);
- $num = Database :: num_rows($result);
- if ($set_visibility == 'i' && $num > 0) {
- $sql = "DELETE FROM $tbl_tool
- WHERE c_id = ".$course_id." AND (link='$link' and image='scormbuilder.gif' $session_condition)";
- Database::query($sql);
- } elseif ($set_visibility == 'v' && $num == 0) {
- $sql = "INSERT INTO $tbl_tool (category, c_id, name, link, image, visibility, admin, address, added_tool, session_id) VALUES
- ('authoring', $course_id, '$name', '$link', 'scormbuilder.gif', '$v', '0','pastillegris.gif', 0, $session_id)";
- Database::query($sql);
- $insertId = Database::insert_id();
- if ($insertId) {
- $sql = "UPDATE $tbl_tool SET id = iid WHERE iid = $insertId";
- Database::query($sql);
- }
- } elseif ($set_visibility == 'v' && $num > 0) {
- $sql = "UPDATE $tbl_tool SET
- c_id = $course_id,
- name = '$name',
- link = '$link',
- image = 'scormbuilder.gif',
- visibility = '$v',
- admin = '0',
- address = 'pastillegris.gif',
- added_tool = 0,
- session_id = $session_id
- WHERE
- c_id = ".$course_id." AND
- (link='$link' and image='scormbuilder.gif' $session_condition)
- ";
- Database::query($sql);
- } else {
- // Parameter and database incompatible, do nothing, exit.
- return false;
- }
- }
- /**
- * Restart the whole learnpath. Return the URL of the first element.
- * Make sure the results are saved with anoter method. This method should probably be
- * redefined in children classes.
- * To use a similar method statically, use the create_new_attempt() method
- * @return string URL to load in the viewer
- */
- public function restart()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::restart()', 0);
- }
- // TODO
- // Call autosave method to save the current progress.
- //$this->index = 0;
- if (api_is_invitee()) {
- return false;
- }
- $session_id = api_get_session_id();
- $course_id = api_get_course_int_id();
- $lp_view_table = Database :: get_course_table(TABLE_LP_VIEW);
- $sql = "INSERT INTO $lp_view_table (c_id, lp_id, user_id, view_count, session_id)
- VALUES ($course_id, " . $this->lp_id . "," . $this->get_user_id() . "," . ($this->attempt + 1) . ", $session_id)";
- if ($this->debug > 2) {
- error_log('New LP - Inserting new lp_view for restart: ' . $sql, 0);
- }
- $res = Database::query($sql);
- $view_id = Database::insert_id();
- if ($view_id) {
- $sql = "UPDATE $lp_view_table SET id = iid WHERE iid = $view_id";
- Database::query($sql);
- $this->lp_view_id = $view_id;
- $this->attempt = $this->attempt + 1;
- } else {
- $this->error = 'Could not insert into item_view table...';
- return false;
- }
- $this->autocomplete_parents($this->current);
- foreach ($this->items as $index => $dummy) {
- $this->items[$index]->restart();
- $this->items[$index]->set_lp_view($this->lp_view_id);
- }
- $this->first();
- return true;
- }
- /**
- * Saves the current item
- * @return boolean
- */
- public function save_current()
- {
- if ($this->debug > 0) {
- error_log('learnpath::save_current()', 0);
- }
- // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[]).
- if ($this->debug > 2) {
- error_log('New LP - save_current() saving item ' . $this->current, 0);
- }
- if ($this->debug > 2) {
- error_log('' . print_r($this->items, true), 0);
- }
- if (isset($this->items[$this->current]) &&
- is_object($this->items[$this->current])
- ) {
- $res = $this->items[$this->current]->save(false, $this->prerequisites_match($this->current));
- $this->autocomplete_parents($this->current);
- $status = $this->items[$this->current]->get_status();
- $this->update_queue[$this->current] = $status;
- return $res;
- }
- return false;
- }
- /**
- * Saves the given item
- * @param integer $item_id. Optional (will take from $_REQUEST if null)
- * @param boolean $from_outside Save from url params (true) or from current attributes (false). Optional. Defaults to true
- * @return boolean
- */
- public function save_item($item_id = null, $from_outside = true)
- {
- $debug = $this->debug;
- if ($debug) {
- error_log('In learnpath::save_item(' . $item_id . ',' . intval($from_outside). ')', 0);
- }
- // TODO: Do a better check on the index pointing to the right item (it is supposed to be working
- // on $ordered_items[] but not sure it's always safe to use with $items[]).
- if (empty($item_id)) {
- $item_id = intval($_REQUEST['id']);
- }
- if (empty($item_id)) {
- $item_id = $this->get_current_item_id();
- }
- if (isset($this->items[$item_id]) && is_object($this->items[$item_id])) {
- if ($debug) {
- error_log('Object exists');
- }
- // Saving the item.
- $res = $this->items[$item_id]->save(
- $from_outside,
- $this->prerequisites_match($item_id)
- );
- if ($debug) {
- error_log('update_queue before:');
- error_log(print_r($this->update_queue,1));
- }
- $this->autocomplete_parents($item_id);
- $status = $this->items[$item_id]->get_status();
- $this->update_queue[$item_id] = $status;
- if ($debug) {
- error_log('get_status(): ' . $status);
- error_log('update_queue after:');
- error_log(print_r($this->update_queue,1));
- }
- return $res;
- }
- return false;
- }
- /**
- * Saves the last item seen's ID only in case
- */
- public function save_last()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::save_last()', 0);
- }
- $session_condition = api_get_session_condition(api_get_session_id(), true, false);
- $table = Database :: get_course_table(TABLE_LP_VIEW);
- if (isset($this->current) && !api_is_invitee()) {
- if ($this->debug > 2) {
- error_log('New LP - Saving current item (' . $this->current . ') for later review', 0);
- }
- $sql = "UPDATE $table SET
- last_item = " . intval($this->get_current_item_id()). "
- WHERE
- c_id = $course_id AND
- lp_id = " . $this->get_id() . " AND
- user_id = " . $this->get_user_id()." ".$session_condition;
- if ($this->debug > 2) {
- error_log('New LP - Saving last item seen : ' . $sql, 0);
- }
- Database::query($sql);
- }
- if (!api_is_invitee()) {
- // Save progress.
- list($progress, $text) = $this->get_progress_bar_text('%');
- if ($progress >= 0 && $progress <= 100) {
- $progress = (int) $progress;
- $sql = "UPDATE $table SET
- progress = $progress
- WHERE
- c_id = ".$course_id." AND
- lp_id = " . $this->get_id() . " AND
- user_id = " . $this->get_user_id()." ".$session_condition;
- // Ignore errors as some tables might not have the progress field just yet.
- Database::query($sql);
- $this->progress_db = $progress;
- }
- }
- }
- /**
- * Sets the current item ID (checks if valid and authorized first)
- * @param integer $item_id New item ID. If not given or not authorized, defaults to current
- */
- public function set_current_item($item_id = null)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_current_item(' . $item_id . ')', 0);
- }
- if (empty ($item_id)) {
- if ($this->debug > 2) {
- error_log('New LP - No new current item given, ignore...', 0);
- }
- // Do nothing.
- } else {
- if ($this->debug > 2) {
- error_log('New LP - New current item given is ' . $item_id . '...', 0);
- }
- if (is_numeric($item_id)) {
- $item_id = intval($item_id);
- // TODO: Check in database here.
- $this->last = $this->current;
- $this->current = $item_id;
- // TODO: Update $this->index as well.
- foreach ($this->ordered_items as $index => $item) {
- if ($item == $this->current) {
- $this->index = $index;
- break;
- }
- }
- if ($this->debug > 2) {
- error_log('New LP - set_current_item(' . $item_id . ') done. Index is now : ' . $this->index, 0);
- }
- } else {
- error_log('New LP - set_current_item(' . $item_id . ') failed. Not a numeric value: ', 0);
- }
- }
- }
- /**
- * Sets the encoding
- * @param string New encoding
- * TODO (as of Chamilo 1.8.8): Check in the future whether this method is needed.
- */
- public function set_encoding($enc = 'UTF-8')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_encoding()', 0);
- }
- $course_id = api_get_course_int_id();
- $enc = api_refine_encoding_id($enc);
- if (empty($enc)) {
- $enc = api_get_system_encoding();
- }
- if (api_is_encoding_supported($enc)) {
- $lp = $this->get_id();
- if ($lp != 0) {
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "UPDATE $tbl_lp SET default_encoding = '$enc' WHERE c_id = ".$course_id." AND id = " . $lp;
- $res = Database::query($sql);
- return $res;
- }
- }
- return false;
- }
- /**
- * Sets the JS lib setting in the database directly.
- * This is the JavaScript library file this lp needs to load on startup
- * @param string Proximity setting
- * @return boolean True on update success. False otherwise.
- */
- public function set_jslib($lib = '')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_jslib()', 0);
- }
- $lp = $this->get_id();
- $course_id = api_get_course_int_id();
- if ($lp != 0) {
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "UPDATE $tbl_lp SET js_lib = '$lib' WHERE c_id = ".$course_id." AND id = " . $lp;
- $res = Database::query($sql);
- return $res;
- } else {
- return false;
- }
- }
- /**
- * Sets the name of the LP maker (publisher) (and save)
- * @param string Optional string giving the new content_maker of this learnpath
- * @return boolean True
- */
- public function set_maker($name = '')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_maker()', 0);
- }
- if (empty ($name))
- return false;
- $this->maker = $name;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $course_id = api_get_course_int_id();
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- content_maker = '" . Database::escape_string($this->maker) . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new content_maker : ' . $this->maker, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the name of the current learnpath (and save)
- * @param string $name Optional string giving the new name of this learnpath
- * @return boolean True/False
- */
- public function set_name($name = null)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_name()', 0);
- }
- if (empty($name)) {
- return false;
- }
- $this->name = Database::escape_string($name);
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $course_id = $this->course_info['real_id'];
- $sql = "UPDATE $lp_table SET
- name = '" . Database::escape_string($this->name). "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new name : ' . $this->name, 0);
- }
- $result = Database::query($sql);
- // If the lp is visible on the homepage, change his name there.
- if (Database::affected_rows($result)) {
- $session_id = api_get_session_id();
- $session_condition = api_get_session_condition($session_id);
- $tbl_tool = Database :: get_course_table(TABLE_TOOL_LIST);
- $link = 'newscorm/lp_controller.php?action=view&lp_id=' . $lp_id.'&id_session='.$session_id;
- $sql = "UPDATE $tbl_tool SET name = '$this->name'
- WHERE
- c_id = $course_id AND
- (link='$link' AND image='scormbuilder.gif' $session_condition)";
- Database::query($sql);
- return true;
- } else {
- return false;
- }
- }
- /**
- * Set index specified prefix terms for all items in this path
- * @param string Comma-separated list of terms
- * @param char Xapian term prefix
- * @return boolean False on error, true otherwise
- */
- public function set_terms_by_prefix($terms_string, $prefix)
- {
- $course_id = api_get_course_int_id();
- if (api_get_setting('search_enabled') !== 'true')
- return false;
- if (!extension_loaded('xapian')) {
- return false;
- }
- $terms_string = trim($terms_string);
- $terms = explode(',', $terms_string);
- array_walk($terms, 'trim_value');
- $stored_terms = $this->get_common_index_terms_by_prefix($prefix);
- // Don't do anything if no change, verify only at DB, not the search engine.
- if ((count(array_diff($terms, $stored_terms)) == 0) && (count(array_diff($stored_terms, $terms)) == 0))
- return false;
- require_once 'xapian.php'; // TODO: Try catch every xapian use or make wrappers on API.
- require_once api_get_path(LIBRARY_PATH).'search/ChamiloIndexer.class.php';
- require_once api_get_path(LIBRARY_PATH).'search/xapian/XapianQuery.php';
- require_once api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php';
- $items_table = Database :: get_course_table(TABLE_LP_ITEM);
- // TODO: Make query secure agains XSS : use member attr instead of post var.
- $lp_id = intval($_POST['lp_id']);
- $sql = "SELECT * FROM $items_table WHERE c_id = $course_id AND lp_id = $lp_id";
- $result = Database::query($sql);
- $di = new ChamiloIndexer();
- while ($lp_item = Database :: fetch_array($result)) {
- // Get search_did.
- $tbl_se_ref = Database :: get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
- $sql = 'SELECT * FROM %s
- WHERE course_code=\'%s\' AND tool_id=\'%s\' AND ref_id_high_level=%s AND ref_id_second_level=%d
- LIMIT 1';
- $sql = sprintf($sql, $tbl_se_ref, $this->cc, TOOL_LEARNPATH, $lp_id, $lp_item['id']);
- //echo $sql; echo '<br>';
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $se_ref = Database :: fetch_array($res);
- // Compare terms.
- $doc = $di->get_document($se_ref['search_did']);
- $xapian_terms = xapian_get_doc_terms($doc, $prefix);
- $xterms = array();
- foreach ($xapian_terms as $xapian_term) {
- $xterms[] = substr($xapian_term['name'], 1);
- }
- $dterms = $terms;
- $missing_terms = array_diff($dterms, $xterms);
- $deprecated_terms = array_diff($xterms, $dterms);
- // Save it to search engine.
- foreach ($missing_terms as $term) {
- $doc->add_term($prefix . $term, 1);
- }
- foreach ($deprecated_terms as $term) {
- $doc->remove_term($prefix . $term);
- }
- $di->getDb()->replace_document((int) $se_ref['search_did'], $doc);
- $di->getDb()->flush();
- } else {
- //@todo What we should do here?
- }
- }
- return true;
- }
- /**
- * Sets the theme of the LP (local/remote) (and save)
- * @param string Optional string giving the new theme of this learnpath
- * @return bool Returns true if theme name is not empty
- */
- public function set_theme($name = '')
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_theme()', 0);
- }
- $this->theme = $name;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET theme = '" . Database::escape_string($this->theme). "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new theme : ' . $this->theme, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the image of an LP (and save)
- * @param string Optional string giving the new image of this learnpath
- * @return bool Returns true if theme name is not empty
- */
- public function set_preview_image($name = '')
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_preview_image()', 0);
- }
- $this->preview_image = $name;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- preview_image = '" . Database::escape_string($this->preview_image). "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new preview image : ' . $this->preview_image, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the author of a LP (and save)
- * @param string Optional string giving the new author of this learnpath
- * @return bool Returns true if author's name is not empty
- */
- public function set_author($name = '')
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_author()', 0);
- }
- $this->author = $name;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET author = '" . Database::escape_string($name). "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new preview author : ' . $this->author, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the hide_toc_frame parameter of a LP (and save)
- * @param int 1 if frame is hidden 0 then else
- * @return bool Returns true if author's name is not empty
- */
- public function set_hide_toc_frame($hide)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_hide_toc_frame()', 0);
- }
- if (intval($hide) == $hide){
- $this->hide_toc_frame = $hide;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- hide_toc_frame = '" . $this->hide_toc_frame . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new preview hide_toc_frame : ' . $this->author, 0);
- }
- Database::query($sql);
- return true;
- } else {
- return false;
- }
- }
- /**
- * Sets the prerequisite of a LP (and save)
- * @param int integer giving the new prerequisite of this learnpath
- * @return bool returns true if prerequisite is not empty
- */
- public function set_prerequisite($prerequisite)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_prerequisite()', 0);
- }
- $this->prerequisite = intval($prerequisite);
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET prerequisite = '".$this->prerequisite."'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new preview requisite : ' . $this->requisite, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the location/proximity of the LP (local/remote) (and save)
- * @param string Optional string giving the new location of this learnpath
- * @return boolean True on success / False on error
- */
- public function set_proximity($name = '')
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_proximity()', 0);
- }
- if (empty ($name))
- return false;
- $this->proximity = $name;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- content_local = '" . Database::escape_string($name) . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new proximity : ' . $this->proximity, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the previous item ID to a given ID. Generally, this should be set to the previous 'current' item
- * @param integer DB ID of the item
- */
- public function set_previous_item($id)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_previous_item()', 0);
- }
- $this->last = $id;
- }
- /**
- * Sets use_max_score
- * @param string $use_max_score Optional string giving the new location of this learnpath
- * @return boolean True on success / False on error
- */
- public function set_use_max_score($use_max_score = 1)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_use_max_score()', 0);
- }
- $use_max_score = intval($use_max_score);
- $this->use_max_score = $use_max_score;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- use_max_score = '" . $this->use_max_score . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new use_max_score : ' . $this->use_max_score, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets and saves the expired_on date
- * @param string $expired_on Optional string giving the new author of this learnpath
- * @return bool Returns true if author's name is not empty
- */
- public function set_expired_on($expired_on)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_expired_on()', 0);
- }
- if (!empty($expired_on)) {
- $this->expired_on = api_get_utc_datetime($expired_on);
- } else {
- $this->expired_on = '';
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- expired_on = '" . Database::escape_string($this->expired_on) . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new expired_on : ' . $this->expired_on, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets and saves the publicated_on date
- * @param string $publicated_on Optional string giving the new author of this learnpath
- * @return bool Returns true if author's name is not empty
- */
- public function set_publicated_on($publicated_on)
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_expired_on()', 0);
- }
- if (!empty($publicated_on)) {
- $this->publicated_on = api_get_utc_datetime($publicated_on);
- } else {
- $this->publicated_on = '';
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET
- publicated_on = '" . Database::escape_string($this->publicated_on) . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new publicated_on : ' . $this->publicated_on, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets and saves the expired_on date
- * @return bool Returns true if author's name is not empty
- */
- public function set_modified_on()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_expired_on()', 0);
- }
- $this->modified_on = api_get_utc_datetime();
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET modified_on = '" . $this->modified_on . "'
- WHERE c_id = ".$course_id." AND id = '$lp_id'";
- if ($this->debug > 2) {
- error_log('New LP - lp updated with new expired_on : ' . $this->modified_on, 0);
- }
- Database::query($sql);
- return true;
- }
- /**
- * Sets the object's error message
- * @param string Error message. If empty, reinits the error string
- * @return void
- */
- public function set_error_msg($error = '')
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_error_msg()', 0);
- }
- if (empty ($error)) {
- $this->error = '';
- } else {
- $this->error .= $error;
- }
- }
- /**
- * Launches the current item if not 'sco'
- * (starts timer and make sure there is a record ready in the DB)
- * @param boolean $allow_new_attempt Whether to allow a new attempt or not
- * @return boolean
- */
- public function start_current_item($allow_new_attempt = false)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::start_current_item()', 0);
- }
- if ($this->current != 0 && is_object($this->items[$this->current])) {
- $type = $this->get_type();
- $item_type = $this->items[$this->current]->get_type();
- if (($type == 2 && $item_type != 'sco') ||
- ($type == 3 && $item_type != 'au') ||
- ($type == 1 && $item_type != TOOL_QUIZ && $item_type != TOOL_HOTPOTATOES)
- ) {
- $this->items[$this->current]->open($allow_new_attempt);
- $this->autocomplete_parents($this->current);
- $prereq_check = $this->prerequisites_match($this->current);
- $this->items[$this->current]->save(false, $prereq_check);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- } else {
- // If sco, then it is supposed to have been updated by some other call.
- }
- if ($item_type == 'sco') {
- $this->items[$this->current]->restart();
- }
- }
- if ($this->debug > 0) {
- error_log('New LP - End of learnpath::start_current_item()', 0);
- }
- return true;
- }
- /**
- * Stops the processing and counters for the old item (as held in $this->last)
- * @return boolean True/False
- */
- public function stop_previous_item()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::stop_previous_item()', 0);
- }
- if ($this->last != 0 && $this->last != $this->current && is_object($this->items[$this->last])) {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' is object', 0);
- }
- switch ($this->get_type()) {
- case '3' :
- if ($this->items[$this->last]->get_type() != 'au') {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 3 is <> au', 0);
- }
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - Item is an AU, saving is managed by AICC signals', 0);
- }
- }
- case '2' :
- if ($this->items[$this->last]->get_type() != 'sco') {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 2 is <> sco', 0);
- }
- $this->items[$this->last]->close();
- //$this->autocomplete_parents($this->last);
- //$this->update_queue[$this->last] = $this->items[$this->last]->get_status();
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - Item is a SCO, saving is managed by SCO signals', 0);
- }
- }
- break;
- case '1' :
- default :
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - ' . $this->last . ' in lp_type 1 is asset', 0);
- }
- $this->items[$this->last]->close();
- break;
- }
- } else {
- if ($this->debug > 2) {
- error_log('New LP - In learnpath::stop_previous_item() - No previous element found, ignoring...', 0);
- }
- return false;
- }
- return true;
- }
- /**
- * Updates the default view mode from fullscreen to embedded and inversely
- * @return string The current default view mode ('fullscreen' or 'embedded')
- */
- public function update_default_view_mode()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::update_default_view_mode()', 0);
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $default_view_mode = $row['default_view_mod'];
- $view_mode = $default_view_mode;
- switch ($default_view_mode) {
- case 'fullscreen': // default with popup
- $view_mode = 'embedded';
- break;
- case 'embedded': // default view with left menu
- $view_mode = 'embedframe';
- break;
- case 'embedframe': //folded menu
- $view_mode = 'impress';
- break;
- case 'impress':
- $view_mode = 'fullscreen';
- break;
- }
- $sql = "UPDATE $lp_table SET default_view_mod = '$view_mode'
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- Database::query($sql);
- $this->mode = $view_mode;
- return $view_mode;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - Problem in update_default_view() - could not find LP ' . $this->get_id() . ' in DB', 0);
- }
- }
- return -1;
- }
- /**
- * Updates the default behaviour about auto-commiting SCORM updates
- * @return boolean True if auto-commit has been set to 'on', false otherwise
- */
- public function update_default_scorm_commit()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::update_default_scorm_commit()', 0);
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $force = $row['force_commit'];
- if ($force == 1) {
- $force = 0;
- $force_return = false;
- } elseif ($force == 0) {
- $force = 1;
- $force_return = true;
- }
- $sql = "UPDATE $lp_table SET force_commit = $force
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- Database::query($sql);
- $this->force_commit = $force_return;
- return $force_return;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - Problem in update_default_scorm_commit() - could not find LP ' . $this->get_id() . ' in DB', 0);
- }
- }
- return -1;
- }
- /**
- * Updates the order of learning paths (goes through all of them by order and fills the gaps)
- * @return bool True on success, false on failure
- */
- public function update_display_order()
- {
- $course_id = api_get_course_int_id();
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." ORDER BY display_order";
- $res = Database::query($sql);
- if ($res === false)
- return false;
- $num = Database :: num_rows($res);
- // First check the order is correct, globally (might be wrong because
- // of versions < 1.8.4).
- if ($num > 0) {
- $i = 1;
- while ($row = Database :: fetch_array($res)) {
- if ($row['display_order'] != $i) { // If we find a gap in the order, we need to fix it.
- $need_fix = true;
- $sql = "UPDATE $lp_table SET display_order = $i
- WHERE c_id = ".$course_id." AND id = " . $row['id'];
- Database::query($sql);
- }
- $i++;
- }
- }
- return true;
- }
- /**
- * Updates the "prevent_reinit" value that enables control on reinitialising items on second view
- * @return boolean True if prevent_reinit has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- public function update_reinit()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::update_reinit()', 0);
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $force = $row['prevent_reinit'];
- if ($force == 1) {
- $force = 0;
- } elseif ($force == 0) {
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET prevent_reinit = $force
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- Database::query($sql);
- $this->prevent_reinit = $force;
- return $force;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - Problem in update_reinit() - could not find LP ' . $this->get_id() . ' in DB', 0);
- }
- }
- return -1;
- }
- /**
- * Determine the attempt_mode thanks to prevent_reinit and seriousgame_mode db flag
- *
- * @return string 'single', 'multi' or 'seriousgame'
- * @author ndiechburg <noel@cblue.be>
- **/
- public function get_attempt_mode()
- {
- //Set default value for seriousgame_mode
- if (!isset($this->seriousgame_mode)) {
- $this->seriousgame_mode=0;
- }
- // Set default value for prevent_reinit
- if (!isset($this->prevent_reinit)) {
- $this->prevent_reinit =1;
- }
- if ($this->seriousgame_mode == 1 && $this->prevent_reinit == 1) {
- return 'seriousgame';
- }
- if ($this->seriousgame_mode == 0 && $this->prevent_reinit == 1) {
- return 'single';
- }
- if ($this->seriousgame_mode == 0 && $this->prevent_reinit == 0) {
- return 'multiple';
- }
- return 'single';
- }
- /**
- * Register the attempt mode into db thanks to flags prevent_reinit and seriousgame_mode flags
- *
- * @param string 'seriousgame', 'single' or 'multiple'
- * @return boolean
- * @author ndiechburg <noel@cblue.be>
- **/
- public function set_attempt_mode($mode)
- {
- $course_id = api_get_course_int_id();
- switch ($mode) {
- case 'seriousgame' :
- $sg_mode = 1;
- $prevent_reinit = 1;
- break;
- case 'single' :
- $sg_mode = 0;
- $prevent_reinit = 1;
- break;
- case 'multiple' :
- $sg_mode = 0;
- $prevent_reinit = 0;
- break;
- default :
- $sg_mode = 0;
- $prevent_reinit = 0;
- break;
- }
- $this->prevent_reinit = $prevent_reinit;
- $this->seriousgame_mode = $sg_mode;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "UPDATE $lp_table SET
- prevent_reinit = $prevent_reinit ,
- seriousgame_mode = $sg_mode
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if ($res) {
- return true;
- } else {
- return false;
- }
- }
- /**
- * Switch between multiple attempt, single attempt or serious_game mode (only for scorm)
- *
- * @return boolean
- * @author ndiechburg <noel@cblue.be>
- **/
- public function switch_attempt_mode()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::switch_attempt_mode()', 0);
- }
- $mode = $this->get_attempt_mode();
- switch ($mode) {
- case 'single' :
- $next_mode = 'multiple';
- break;
- case 'multiple' :
- $next_mode = 'seriousgame';
- break;
- case 'seriousgame' :
- $next_mode = 'single';
- break;
- default :
- $next_mode = 'single';
- break;
- }
- $this->set_attempt_mode($next_mode);
- }
- /**
- * Switch the lp in ktm mode. This is a special scorm mode with unique attempt
- * but possibility to do again a completed item.
- *
- * @return boolean true if seriousgame_mode has been set to 1, false otherwise
- * @author ndiechburg <noel@cblue.be>
- **/
- public function set_seriousgame_mode()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_seriousgame_mode()', 0);
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $force = $row['seriousgame_mode'];
- if ($force == 1) {
- $force = 0;
- } elseif ($force == 0) {
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET seriousgame_mode = $force
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- Database::query($sql);
- $this->seriousgame_mode = $force;
- return $force;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - Problem in set_seriousgame_mode() - could not find LP ' . $this->get_id() . ' in DB', 0);
- }
- }
- return -1;
- }
- /**
- * Updates the "scorm_debug" value that shows or hide the debug window
- * @return boolean True if scorm_debug has been set to 'on', false otherwise (or 1 or 0 in this case)
- */
- public function update_scorm_debug()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::update_scorm_debug()', 0);
- }
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT * FROM $lp_table
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- if (Database :: num_rows($res) > 0) {
- $row = Database :: fetch_array($res);
- $force = $row['debug'];
- if ($force == 1) {
- $force = 0;
- } elseif ($force == 0) {
- $force = 1;
- }
- $sql = "UPDATE $lp_table SET debug = $force
- WHERE c_id = ".$course_id." AND id = " . $this->get_id();
- $res = Database::query($sql);
- $this->scorm_debug = $force;
- return $force;
- } else {
- if ($this->debug > 2) {
- error_log('New LP - Problem in update_scorm_debug() - could not find LP ' . $this->get_id() . ' in DB', 0);
- }
- }
- return -1;
- }
- /**
- * Function that makes a call to the function sort_tree_array and create_tree_array
- * @author Kevin Van Den Haute
- * @param array
- */
- public function tree_array($array)
- {
- if ($this->debug > 1) {
- error_log('New LP - In learnpath::tree_array()', 0);
- }
- $array = $this->sort_tree_array($array);
- $this->create_tree_array($array);
- }
- /**
- * Creates an array with the elements of the learning path tree in it
- *
- * @author Kevin Van Den Haute
- * @param array $array
- * @param int $parent
- * @param int $depth
- * @param array $tmp
- */
- public function create_tree_array($array, $parent = 0, $depth = -1, $tmp = array ())
- {
- if ($this->debug > 1) {
- error_log('New LP - In learnpath::create_tree_array())', 0);
- }
- if (is_array($array)) {
- for ($i = 0; $i < count($array); $i++) {
- if ($array[$i]['parent_item_id'] == $parent) {
- if (!in_array($array[$i]['parent_item_id'], $tmp)) {
- $tmp[] = $array[$i]['parent_item_id'];
- $depth++;
- }
- $preq = (empty($array[$i]['prerequisite']) ? '' : $array[$i]['prerequisite']);
- $audio = isset($array[$i]['audio']) ? $array[$i]['audio'] : null;
- $path = isset($array[$i]['path']) ? $array[$i]['path'] : null;
- $prerequisiteMinScore = isset($array[$i]['prerequisite_min_score']) ? $array[$i]['prerequisite_min_score'] : null;
- $prerequisiteMaxScore = isset($array[$i]['prerequisite_max_score']) ? $array[$i]['prerequisite_max_score'] : null;
- $ref = isset($array[$i]['ref']) ? $array[$i]['ref'] : '';
- $this->arrMenu[] = array(
- 'id' => $array[$i]['id'],
- 'ref' => $ref,
- 'item_type' => $array[$i]['item_type'],
- 'title' => $array[$i]['title'],
- 'path' => $path,
- 'description' => $array[$i]['description'],
- 'parent_item_id' => $array[$i]['parent_item_id'],
- 'previous_item_id' => $array[$i]['previous_item_id'],
- 'next_item_id' => $array[$i]['next_item_id'],
- 'min_score' => $array[$i]['min_score'],
- 'max_score' => $array[$i]['max_score'],
- 'mastery_score' => $array[$i]['mastery_score'],
- 'display_order' => $array[$i]['display_order'],
- 'prerequisite' => $preq,
- 'depth' => $depth,
- 'audio' => $audio,
- 'prerequisite_min_score' => $prerequisiteMinScore,
- 'prerequisite_max_score' => $prerequisiteMaxScore
- );
- $this->create_tree_array($array, $array[$i]['id'], $depth, $tmp);
- }
- }
- }
- }
- /**
- * Sorts a multi dimensional array by parent id and display order
- * @author Kevin Van Den Haute
- *
- * @param array $array (array with al the learning path items in it)
- *
- * @return array
- */
- public function sort_tree_array($array) {
- foreach ($array as $key => $row) {
- $parent[$key] = $row['parent_item_id'];
- $position[$key] = $row['display_order'];
- }
- if (count($array) > 0)
- array_multisort($parent, SORT_ASC, $position, SORT_ASC, $array);
- return $array;
- }
- /**
- * Function that creates a html list of learning path items so that we can add audio files to them
- * @author Kevin Van Den Haute
- * @param int $lp_id
- * @return string
- */
- public function overview()
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::overview()', 0);
- }
- $_SESSION['gradebook'] = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
- $return = '';
- $update_audio = isset($_GET['updateaudio']) ? $_GET['updateaudio'] : null;
- // we need to start a form when we want to update all the mp3 files
- if ($update_audio == 'true') {
- $return .= '<form action="' . api_get_self() . '?cidReq=' . Security :: remove_XSS($_GET['cidReq']) . '&updateaudio=' . Security :: remove_XSS($_GET['updateaudio']) .'&action=' . Security :: remove_XSS($_GET['action']) . '&lp_id=' . $_SESSION['oLP']->lp_id . '" method="post" enctype="multipart/form-data" name="updatemp3" id="updatemp3">';
- }
- $return .= '<div id="message"></div>';
- if (count($this->items) == 0) {
- $return .= Display::display_normal_message(get_lang('YouShouldAddItemsBeforeAttachAudio'));
- } else {
- $return_audio = '<table class="data_table">';
- $return_audio .= '<tr>';
- $return_audio .= '<th width="40%">' . get_lang('Title') . '</th>';
- $return_audio .= '<th>' . get_lang('Audio') . '</th>';
- $return_audio .= '</tr>';
- if ($update_audio != 'true') {
- $return .= '<div class="col-md-12">';
- $return .= self::return_new_tree($update_audio);
- $return .='</div>';
- $return .= Display::div(Display::url(get_lang('Save'), '#', array('id'=>'listSubmit', 'class'=>'btn btn-primary')), array('style'=>'float:left; margin-top:15px;width:100%'));
- } else {
- $return_audio .= self::return_new_tree($update_audio);
- $return .= $return_audio.'</table>';
- }
- // We need to close the form when we are updating the mp3 files.
- if ($update_audio == 'true') {
- $return .= '<div class="footer-audio">';
- $return .= Display::button('save_audio','<em class="fa fa-file-audio-o"></em> '. get_lang('SaveAudioAndOrganization'),array('class'=>'btn btn-primary','type'=>'submit'));
- $return .= '</div>';
- //$return .= '<div><button class="btn btn-primary" type="submit" name="save_audio" id="save_audio">' . get_lang('SaveAudioAndOrganization') . '</button></div>'; // TODO: What kind of language variable is this?
- }
- }
- // We need to close the form when we are updating the mp3 files.
- if ($update_audio == 'true' && count($this->arrMenu) != 0) {
- $return .= '</form>';
- }
- return $return;
- }
- /**
- * @param string string $update_audio
- * @param bool $drop_element_here
- * @return string
- */
- public function return_new_tree($update_audio = 'false', $drop_element_here = false)
- {
- $return = '';
- $is_allowed_to_edit = api_is_allowed_to_edit(null,true);
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $tbl_lp_item
- WHERE c_id = $course_id AND lp_id = ".$this->lp_id;
- $result = Database::query($sql);
- $arrLP = array();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => Security :: remove_XSS($row['title']),
- 'path' => $row['path'],
- 'description' => Security::remove_XSS($row['description']),
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'display_order' => $row['display_order'],
- 'audio' => $row['audio'],
- 'prerequisite_max_score' => $row['prerequisite_max_score'],
- 'prerequisite_min_score' => $row['prerequisite_min_score']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- $default_data = null;
- $default_content = null;
- $elements = array();
- $return_audio = null;
- for ($i = 0; $i < count($arrLP); $i++) {
- $title = $arrLP[$i]['title'];
- $title_cut = cut($arrLP[$i]['title'], 25);
- // Link for the documents
- if ($arrLP[$i]['item_type'] == 'document') {
- $url = api_get_self() . '?'.api_get_cidreq().'&action=view_item&mode=preview_document&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id;
- $title_cut = Display::url(
- $title_cut,
- $url,
- array(
- 'class' => 'ajax moved',
- 'data-title' => $title_cut
- )
- );
- }
- // Detect if type is FINAL_ITEM to set path_id to SESSION
- if ($arrLP[$i]['item_type'] == TOOL_LP_FINAL_ITEM) {
- $_SESSION['pathItem'] = $arrLP[$i]['path'];
- }
- if (($i % 2) == 0) {
- $oddClass = 'row_odd';
- } else {
- $oddClass = 'row_even';
- }
- $return_audio .= '<tr id ="lp_item_'.$arrLP[$i]['id'] .'" class="' . $oddClass . '">';
- $icon_name = str_replace(' ', '', $arrLP[$i]['item_type']);
- if (file_exists('../img/lp_' . $icon_name . '.png')) {
- $icon = Display::return_icon('lp_'.$icon_name.'.png');
- } else {
- if (file_exists('../img/lp_' . $icon_name . '.gif')) {
- $icon = Display::return_icon('lp_'.$icon_name.'.gif');
- } else {
- if ($arrLP[$i]['item_type'] === TOOL_LP_FINAL_ITEM) {
- $icon = Display::return_icon('certificate.png');
- } else {
- $icon = Display::return_icon('folder_document.gif');
- }
- }
- }
- // The audio column.
- $return_audio .= '<td align="left" style="padding-left:10px;">';
- $audio = '';
- if (!$update_audio || $update_audio <> 'true') {
- if (!empty($arrLP[$i]['audio'])) {
- } else {
- $audio .= '';
- }
- } else {
- $types = self::getChapterTypes();
- if (!in_array($arrLP[$i]['item_type'], $types)) {
- $audio .= '<input type="file" name="mp3file' . $arrLP[$i]['id'] . '" id="mp3file" />';
- if (!empty ($arrLP[$i]['audio'])) {
- $audio .= '<br />'.Security::remove_XSS($arrLP[$i]['audio']).'<br />
- <input type="checkbox" name="removemp3' . $arrLP[$i]['id'] . '" id="checkbox' . $arrLP[$i]['id'] . '" />' . get_lang('RemoveAudio');
- }
- }
- }
- $return_audio .= Display::span($icon.' '.$title).Display::tag('td', $audio, array('style'=>''));
- $return_audio .= '</td>';
- $move_icon = '';
- $move_item_icon = '';
- $edit_icon = '';
- $delete_icon = '';
- $audio_icon = '';
- $prerequisities_icon = '';
- $forumIcon = '';
- if ($is_allowed_to_edit) {
- if (!$update_audio || $update_audio <> 'true') {
- if ($arrLP[$i]['item_type'] !== TOOL_LP_FINAL_ITEM) {
- $move_icon .= '<a class="moved" href="#">';
- $move_icon .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $move_icon .= '</a>';
- }
- }
- // No edit for this item types
- if (!in_array($arrLP[$i]['item_type'], array('sco', 'asset', 'final_item'))) {
- if (!in_array($arrLP[$i]['item_type'], array('dokeos_chapter', 'dokeos_module'))) {
- $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&view=build&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item=' . $arrLP[$i]['path'] . '" class="btn btn-default">';
- $edit_icon .= Display::return_icon('edit.png', get_lang('LearnpathEditModule'), array(), ICON_SIZE_TINY);
- $edit_icon .= '</a>';
- if (
- !in_array($arrLP[$i]['item_type'], ['forum', 'thread'])
- ) {
- if (
- $this->items[$arrLP[$i]['id']]->getForumThread(
- $this->course_int_id,
- $this->lp_session_id
- )
- ) {
- $forumIconUrl = api_get_self() . '?' . api_get_cidreq() . '&' . http_build_query([
- 'action' => 'dissociate_forum',
- 'id' => $arrLP[$i]['id'],
- 'lp_id' => $this->lp_id
- ]);
- $forumIcon = Display::url(
- Display::return_icon('forum.png', get_lang('DissociateForumToLPItem'), [], ICON_SIZE_TINY),
- $forumIconUrl,
- ['class' => 'btn btn-default lp-btn-dissociate-forum']
- );
- } else {
- $forumIconUrl = api_get_self() . '?' . api_get_cidreq() . '&' . http_build_query([
- 'action' => 'create_forum',
- 'id' => $arrLP[$i]['id'],
- 'lp_id' => $this->lp_id
- ]);
- $forumIcon = Display::url(
- Display::return_icon('forum.png', get_lang('AssociateForumToLPItem'), [], ICON_SIZE_TINY),
- $forumIconUrl,
- ['class' => "btn btn-default lp-btn-associate-forum"]
- );
- }
- }
- } else {
- $edit_icon .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=edit_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '&path_item=' . $arrLP[$i]['path'] . '" class="btn btn-default">';
- $edit_icon .= Display::return_icon('edit.png', get_lang('LearnpathEditModule'), array(), ICON_SIZE_TINY);
- $edit_icon .= '</a>';
- }
- }
- $delete_icon .= ' <a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete_item&id=' . $arrLP[$i]['id'] . '&lp_id=' . $this->lp_id . '" onclick="return confirmation(\'' . addslashes($title) . '\');" class="btn btn-default">';
- $delete_icon .= Display::return_icon('delete.png', get_lang('LearnpathDeleteModule'), array(), ICON_SIZE_TINY);
- $delete_icon .= '</a>';
- $url = api_get_self() . '?'.api_get_cidreq().'&view=build&id='.$arrLP[$i]['id'] .'&lp_id='.$this->lp_id;
- if (!in_array($arrLP[$i]['item_type'], array('dokeos_chapter', 'dokeos_module', 'dir'))) {
- $prerequisities_icon = Display::url(Display::return_icon('accept.png', get_lang('LearnpathPrerequisites'), array(), ICON_SIZE_TINY), $url.'&action=edit_item_prereq', ['class' => 'btn btn-default']);
- $move_item_icon = Display::url(Display::return_icon('move.png', get_lang('Move'), array(), ICON_SIZE_TINY), $url.'&action=move_item', ['class' => 'btn btn-default']);
- $audio_icon = Display::url(Display::return_icon('audio.png', get_lang('UplUpload'), array(), ICON_SIZE_TINY), $url.'&action=add_audio', ['class' => 'btn btn-default']);
- }
- }
- if ($update_audio != 'true') {
- $row = $move_icon . ' ' . $icon .
- Display::span($title_cut) .
- Display::tag(
- 'div',
- "<div class=\"btn-group btn-group-xs\">$audio $edit_icon $forumIcon $prerequisities_icon $move_item_icon $audio_icon $delete_icon</div>",
- array('class'=>'btn-toolbar button_actions')
- );
- } else {
- $row = Display::span($title.$icon).Display::span($audio, array('class'=>'button_actions'));
- }
- $parent_id = $arrLP[$i]['parent_item_id'];
- $default_data[$arrLP[$i]['id']] = $row;
- $default_content[$arrLP[$i]['id']] = $arrLP[$i];
- if (empty($parent_id)) {
- $elements[$arrLP[$i]['id']]['data'] = $row;
- $elements[$arrLP[$i]['id']]['type'] = $arrLP[$i]['item_type'];
- } else {
- $parent_arrays = array();
- if ($arrLP[$i]['depth'] > 1) {
- //Getting list of parents
- for($j = 0; $j < $arrLP[$i]['depth']; $j++) {
- foreach($arrLP as $item) {
- if ($item['id'] == $parent_id) {
- if ($item['parent_item_id'] == 0) {
- $parent_id = $item['id'];
- break;
- } else {
- $parent_id = $item['parent_item_id'];
- if (empty($parent_arrays)) {
- $parent_arrays[] = intval($item['id']);
- }
- $parent_arrays[] = $parent_id;
- break;
- }
- }
- }
- }
- }
- if (!empty($parent_arrays)) {
- $parent_arrays = array_reverse($parent_arrays);
- $val = '$elements';
- $x = 0;
- foreach($parent_arrays as $item) {
- if ($x != count($parent_arrays) -1) {
- $val .= '["'.$item.'"]["children"]';
- } else {
- $val .= '["'.$item.'"]["children"]';
- }
- $x++;
- }
- $val .= "";
- $code_str = $val."[".$arrLP[$i]['id']."][\"load_data\"] = '".$arrLP[$i]['id']."' ; ";
- eval($code_str);
- } else {
- $elements[$parent_id]['children'][$arrLP[$i]['id']]['data'] = $row;
- $elements[$parent_id]['children'][$arrLP[$i]['id']]['type'] = $arrLP[$i]['item_type'];
- }
- }
- }
- $list = '<ul id="lp_item_list">';
- $tree = self::print_recursive($elements, $default_data, $default_content);
- if (!empty($tree)) {
- $list .= $tree;
- } else {
- if ($drop_element_here) {
- $list .= Display::return_message(get_lang("DragAndDropAnElementHere"));
- }
- }
- $list .= '</ul>';
- //$return .= Display::panel($list, $this->name);
- $return .= Display::panelCollapse($this->name, $list, 'scorm-list', null, 'scorm-list-accordion', 'scorm-list-collapse');
- if ($update_audio == 'true') {
- $return = $return_audio;
- }
- return $return;
- }
- /**
- * @param array $elements
- * @param array $default_data
- * @param array $default_content
- * @return string
- */
- public function print_recursive($elements, $default_data, $default_content)
- {
- $return = '';
- foreach ($elements as $key => $item) {
- if (isset($item['load_data']) || empty($item['data'])) {
- $item['data'] = $default_data[$item['load_data']];
- $item['type'] = $default_content[$item['load_data']]['item_type'];
- }
- $sub_list = '';
- if (isset($item['type']) && $item['type'] == 'dokeos_chapter') {
- $sub_list = Display::tag('li', '', array('class'=>'sub_item empty')); // empty value
- }
- if (empty($item['children'])) {
- $sub_list = Display::tag('ul', $sub_list, array('id'=>'UL_'.$key, 'class'=>'record li_container'));
- $active = null;
- if (isset($_REQUEST['id']) && $key == $_REQUEST['id']) {
- $active = 'active';
- }
- $return .= Display::tag('li', Display::div($item['data'], array('class'=>"item_data $active")).$sub_list, array('id'=>$key, 'class'=>'record li_container'));
- } else {
- //sections
- if (isset($item['children'])) {
- $data = self::print_recursive($item['children'], $default_data, $default_content);
- }
- $sub_list = Display::tag('ul', $sub_list.$data, array('id'=>'UL_'.$key, 'class'=>'record li_container'));
- $return .= Display::tag('li', Display::div($item['data'], array('class'=>'item_data')).$sub_list, array('id'=>$key, 'class'=>'record li_container'));
- }
- }
- return $return;
- }
- /**
- * This function builds the action menu
- * @param bool $returnContent
- * @return void
- */
- public function build_action_menu($returnContent = false)
- {
- $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
- $return = '<div class="actions">';
- $return .= '<a href="lp_controller.php?'.api_get_cidreq().'&gradebook=' . $gradebook . '&action=view&lp_id=' . $_SESSION['oLP']->lp_id . '&isStudentView=true">' . Display :: return_icon('preview_view.png', get_lang('Display'),'',ICON_SIZE_MEDIUM).'</a> ';
- $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=admin_view&lp_id=' . $_SESSION['oLP']->lp_id . '&updateaudio=true">' . Display :: return_icon('upload_audio.png', get_lang('UpdateAllAudioFragments'),'',ICON_SIZE_MEDIUM).'</a>';
- $return .= '<a href="lp_controller.php?'.api_get_cidreq().'&action=edit&lp_id=' . $_SESSION['oLP']->lp_id . '">' . Display :: return_icon('settings.png', get_lang('CourseSettings'),'',ICON_SIZE_MEDIUM).'</a>';
- $buttons = array(
- array(
- 'title' => get_lang('SetPrerequisiteForEachItem'),
- 'href' => 'lp_controller.php?'.api_get_cidreq().'&action=set_previous_step_as_prerequisite&lp_id=' . $_SESSION['oLP']->lp_id,
- ),
- array(
- 'title' => get_lang('ClearAllPrerequisites'),
- 'href' => 'lp_controller.php?'.api_get_cidreq().'&action=clear_prerequisites&lp_id=' . $_SESSION['oLP']->lp_id,
- ),
- );
- $return .= Display::group_button(get_lang('PrerequisitesOptions'), $buttons);
- $return .= '</div>';
- if ($returnContent) {
- return $return;
- }
- echo $return;
- }
- /**
- * Creates the default learning path folder
- * @param array $course
- * @param int $creatorId
- *
- * @return bool
- */
- public static function generate_learning_path_folder($course, $creatorId = 0)
- {
- // Creating learning_path folder
- $dir = '/learning_path';
- $filepath = api_get_path(SYS_COURSE_PATH).$course['path'] . '/document';
- $creatorId = empty($creatorId) ? api_get_user_id() : $creatorId;
- $folder = false;
- if (!is_dir($filepath.'/'.$dir)) {
- $folderData = create_unexisting_directory(
- $course,
- $creatorId,
- api_get_session_id(),
- 0,
- 0,
- $filepath,
- $dir,
- get_lang('LearningPaths'),
- 0
- );
- if (!empty($folderData)) {
- $folder = true;
- }
- } else {
- $folder = true;
- }
- return $folder;
- }
- /**
- * @param array $course
- * @param string $lp_name
- * @param int $creatorId
- *
- * @return array
- */
- public function generate_lp_folder($course, $lp_name = '', $creatorId = 0)
- {
- $filepath = '';
- $dir = '/learning_path/';
- if (empty($lp_name)) {
- $lp_name = $this->name;
- }
- $creatorId = empty($creatorId) ? api_get_user_id() : $creatorId;
- $folder = self::generate_learning_path_folder($course, $creatorId);
- // Creating LP folder
- if ($folder) {
- //Limits title size
- $title = api_substr(api_replace_dangerous_char($lp_name), 0 , 80);
- $dir = $dir.$title;
- $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document';
- if (!is_dir($filepath.'/'.$dir)) {
- $folderData = create_unexisting_directory(
- $course,
- $creatorId,
- 0,
- 0,
- 0,
- $filepath,
- $dir,
- $lp_name
- );
- if (!empty($folderData)) {
- $folder = true;
- }
- } else {
- $folder = true;
- }
- $dir = $dir.'/';
- if ($folder) {
- $filepath = api_get_path(SYS_COURSE_PATH) . $course['path'] . '/document'.$dir;
- }
- }
- $array = array(
- 'dir' => $dir,
- 'filepath' => $filepath,
- 'folder' => $folder
- );
- return $array;
- }
- /**
- * Create a new document //still needs some finetuning
- * @param array $courseInfo
- * @param string $content
- * @param string $title
- * @param string $extension
- * @param int $creatorId creator id
- *
- * @return string
- */
- public function create_document($courseInfo, $content = '', $title = '', $extension = 'html', $creatorId = 0)
- {
- if (!empty($courseInfo)) {
- $course_id = $courseInfo['real_id'];
- } else {
- $course_id = api_get_course_int_id();
- }
- $creatorId = empty($creatorId) ? api_get_user_id() : $creatorId;
- $sessionId = api_get_session_id();
- global $charset;
- $postDir = isset($_POST['dir']) ? $_POST['dir'] : '';
- $dir = isset ($_GET['dir']) ? $_GET['dir'] : $postDir; // Please, do not modify this dirname formatting.
- // Please, do not modify this dirname formatting.
- if (strstr($dir, '..')) {
- $dir = '/';
- }
- if (!empty($dir[0]) && $dir[0] == '.') {
- $dir = substr($dir, 1);
- }
- if (!empty($dir[0]) && $dir[0] != '/') {
- $dir = '/' . $dir;
- }
- if (isset($dir[strlen($dir) - 1]) && $dir[strlen($dir) - 1] != '/') {
- $dir .= '/';
- }
- $filepath = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document' . $dir;
- if (empty($_POST['dir']) && empty($_GET['dir'])) {
- //Generates folder
- $result = $this->generate_lp_folder($courseInfo, '', $creatorId);
- $dir = $result['dir'];
- $filepath = $result['filepath'];
- }
- if (!is_dir($filepath)) {
- $filepath = api_get_path(SYS_COURSE_PATH) . $courseInfo['path'] . '/document/';
- $dir = '/';
- }
- // stripslashes() before calling api_replace_dangerous_char() because $_POST['title']
- // is already escaped twice when it gets here.
- $originalTitle = !empty($title) ? $title : $_POST['title'];
- if (!empty($title)) {
- $title = api_replace_dangerous_char(stripslashes($title));
- } else {
- $title = api_replace_dangerous_char(stripslashes($_POST['title']));
- }
- $title = disable_dangerous_file($title);
- $filename = $title;
- $content = !empty($content) ? $content : $_POST['content_lp'];
- $tmp_filename = $filename;
- $i = 0;
- while (file_exists($filepath . $tmp_filename . '.'.$extension))
- $tmp_filename = $filename . '_' . ++ $i;
- $filename = $tmp_filename . '.'.$extension;
- if ($extension == 'html') {
- $content = stripslashes($content);
- $content = str_replace(
- api_get_path(WEB_COURSE_PATH),
- api_get_path(REL_PATH).'courses/',
- $content
- );
- // Change the path of mp3 to absolute.
- // The first regexp deals with :// urls.
- $content = preg_replace(
- "|(flashvars=\"file=)([^:/]+)/|",
- "$1".api_get_path(
- REL_COURSE_PATH
- ).$courseInfo['path'].'/document/',
- $content
- );
- // The second regexp deals with audio/ urls.
- $content = preg_replace(
- "|(flashvars=\"file=)([^/]+)/|",
- "$1".api_get_path(
- REL_COURSE_PATH
- ).$courseInfo['path'].'/document/$2/',
- $content
- );
- // For flv player: To prevent edition problem with firefox, we have to use a strange tip (don't blame me please).
- $content = str_replace(
- '</body>',
- '<style type="text/css">body{}</style></body>',
- $content
- );
- }
- if (!file_exists($filepath . $filename)) {
- if ($fp = @ fopen($filepath . $filename, 'w')) {
- fputs($fp, $content);
- fclose($fp);
- $file_size = filesize($filepath . $filename);
- $save_file_path = $dir.$filename;
- $document_id = add_document(
- $courseInfo,
- $save_file_path,
- 'file',
- $file_size,
- $tmp_filename,
- '',
- 0, //readonly
- true,
- null,
- $sessionId,
- $creatorId
- );
- if ($document_id) {
- api_item_property_update(
- $courseInfo,
- TOOL_DOCUMENT,
- $document_id,
- 'DocumentAdded',
- $creatorId,
- null,
- null,
- null,
- null,
- $sessionId
- );
- $new_comment = isset($_POST['comment']) ? trim($_POST['comment']) : '';
- $new_title = $originalTitle;
- if ($new_comment || $new_title) {
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $ct = '';
- if ($new_comment)
- $ct .= ", comment='" . Database::escape_string($new_comment). "'";
- if ($new_title)
- $ct .= ", title='" . Database::escape_string(htmlspecialchars($new_title, ENT_QUOTES, $charset))."' ";
- $sql = "UPDATE " . $tbl_doc ." SET " . substr($ct, 1)."
- WHERE c_id = ".$course_id." AND id = " . $document_id;
- Database::query($sql);
- }
- }
- return $document_id;
- }
- }
- }
- /**
- * Edit a document based on $_POST and $_GET parameters 'dir' and 'path'
- * @param array $_course array
- * @return void
- */
- public function edit_document($_course)
- {
- $course_id = api_get_course_int_id();
- global $_configuration;
- // Please, do not modify this dirname formatting.
- $dir = isset($_GET['dir']) ? $_GET['dir'] : $_POST['dir'];
- if (strstr($dir, '..'))
- $dir = '/';
- if ($dir[0] == '.')
- $dir = substr($dir, 1);
- if ($dir[0] != '/')
- $dir = '/' . $dir;
- if ($dir[strlen($dir) - 1] != '/')
- $dir .= '/';
- $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $dir;
- if (!is_dir($filepath)) {
- $filepath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document/';
- }
- $table_doc = Database :: get_course_table(TABLE_DOCUMENT);
- if (isset($_POST['path']) && !empty($_POST['path'])) {
- $document_id = intval($_POST['path']);
- $sql = "SELECT path FROM " . $table_doc . "
- WHERE c_id = $course_id AND id = " . $document_id;
- $res = Database::query($sql);
- $row = Database :: fetch_array($res);
- $content = stripslashes($_POST['content_lp']);
- $file = $filepath . $row['path'];
- if ($fp = @ fopen($file, 'w')) {
- $content = str_replace(api_get_path(WEB_COURSE_PATH), $_configuration['url_append'] . '/courses/', $content);
- // Change the path of mp3 to absolute.
- // The first regexp deals with :// urls.
- $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/', $content);
- // The second regexp deals with audio/ urls.
- $content = preg_replace("|(flashvars=\"file=)([^:/]+)/|", "$1" . api_get_path(REL_COURSE_PATH) . $_course['path'] . '/document/$2/', $content);
- fputs($fp, $content);
- fclose($fp);
- $sql = "UPDATE " . $table_doc ." SET
- title='".Database::escape_string($_POST['title'])."'
- WHERE c_id = ".$course_id." AND id = " . $document_id;
- Database::query($sql);
- }
- }
- }
- /**
- * Displays the selected item, with a panel for manipulating the item
- * @param int $item_id
- * @param string $msg
- * @return string
- */
- public function display_item($item_id, $msg = null, $show_actions = true)
- {
- $course_id = api_get_course_int_id();
- $return = '';
- if (is_numeric($item_id)) {
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT lp.* FROM " . $tbl_lp_item . " as lp
- WHERE c_id = ".$course_id." AND lp.id = " . intval($item_id);
- $result = Database::query($sql);
- while ($row = Database :: fetch_array($result,'ASSOC')) {
- $_SESSION['parent_item_id'] = ($row['item_type'] == 'dokeos_chapter' || $row['item_type'] == 'dokeos_module' || $row['item_type'] == 'dir') ? $item_id : 0;
- // Prevents wrong parent selection for document, see Bug#1251.
- if ($row['item_type'] != 'dokeos_chapter' || $row['item_type'] != 'dokeos_module') {
- $_SESSION['parent_item_id'] = $row['parent_item_id'];
- }
- if ($show_actions) {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- }
- $return .= '<div style="padding:10px;">';
- if ($msg != '')
- $return .= $msg;
- $return .= '<h3>'.$row['title'].'</h3>';
- switch ($row['item_type']) {
- case TOOL_QUIZ:
- if (!empty($row['path'])) {
- $exercise = new Exercise();
- $exercise->read($row['path']);
- $return .= $exercise->description.'<br />';
- }
- break;
- case TOOL_DOCUMENT:
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql_doc = "SELECT path FROM " . $tbl_doc . "
- WHERE c_id = ".$course_id." AND id = " . intval($row['path']);
- $result = Database::query($sql_doc);
- $path_file = Database::result($result, 0, 0);
- $path_parts = pathinfo($path_file);
- // TODO: Correct the following naive comparisons, also, htm extension is missing.
- if (in_array($path_parts['extension'], array(
- 'html',
- 'txt',
- 'png',
- 'jpg',
- 'JPG',
- 'jpeg',
- 'JPEG',
- 'gif',
- 'swf'
- ))) {
- $return .= $this->display_document($row['path'], true, true);
- }
- break;
- }
- $return .= '</div>';
- }
- }
- return $return;
- }
- /**
- * Shows the needed forms for editing a specific item
- * @param int $item_id
- * @return string
- */
- public function display_edit_item($item_id)
- {
- $course_id = api_get_course_int_id();
- $return = '';
- if (is_numeric($item_id)) {
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM $tbl_lp_item
- WHERE c_id = ".$course_id." AND id = " . intval($item_id);
- $res = Database::query($sql);
- $row = Database::fetch_array($res);
- switch ($row['item_type']) {
- case 'dokeos_chapter':
- case 'dir':
- case 'asset':
- case 'sco':
- if (isset($_GET['view']) && $_GET['view'] == 'build') {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', 'edit', $item_id, $row);
- } else {
- $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentChapter') . ' :', $row);
- }
- break;
- case TOOL_DOCUMENT:
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql = "SELECT lp.*, doc.path as dir
- FROM " . $tbl_lp_item . " as lp
- LEFT JOIN " . $tbl_doc . " as doc
- ON doc.id = lp.path
- WHERE
- lp.c_id = $course_id AND
- doc.c_id = $course_id AND
- lp.id = " . intval($item_id);
- $res_step = Database::query($sql);
- $row_step = Database :: fetch_array($res_step, 'ASSOC');
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('edit', $item_id, $row_step);
- break;
- case TOOL_LINK:
- $link_id = (string) $row['path'];
- if (ctype_digit($link_id)) {
- $tbl_link = Database :: get_course_table(TABLE_LINK);
- $sql_select = 'SELECT url FROM ' . $tbl_link . '
- WHERE c_id = '.$course_id.' AND id = ' . intval($link_id);
- $res_link = Database::query($sql_select);
- $row_link = Database :: fetch_array($res_link);
- if (is_array($row_link)) {
- $row['url'] = $row_link['url'];
- }
- }
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('edit', $item_id, $row);
- break;
- case TOOL_LP_FINAL_ITEM:
- $_SESSION['finalItem'] = true;
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql = "SELECT lp.*, doc.path as dir
- FROM " . $tbl_lp_item . " as lp
- LEFT JOIN " . $tbl_doc . " as doc
- ON doc.id = lp.path
- WHERE
- lp.c_id = $course_id AND
- doc.c_id = $course_id AND
- lp.id = " . intval($item_id);
- $res_step = Database::query($sql);
- $row_step = Database :: fetch_array($res_step, 'ASSOC');
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('edit', $item_id, $row_step);
- break;
- case 'dokeos_module':
- if (isset ($_GET['view']) && $_GET['view'] == 'build') {
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang('EditCurrentModule') . ' :', 'edit', $item_id, $row);
- } else {
- $return .= $this->display_item_small_form($row['item_type'], get_lang('EditCurrentModule') . ' :', $row);
- }
- break;
- case TOOL_QUIZ:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('edit', $item_id, $row);
- break;
- case TOOL_HOTPOTATOES:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_hotpotatoes_form('edit', $item_id, $row);
- break;
- case TOOL_STUDENTPUBLICATION:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('edit', $item_id, $row);
- break;
- case TOOL_FORUM:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('edit', $item_id, $row);
- break;
- case TOOL_THREAD:
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_thread_form('edit', $item_id, $row);
- break;
- }
- }
- return $return;
- }
- /**
- * Function that displays a list with al the resources that
- * could be added to the learning path
- * @return string
- */
- public function display_resources()
- {
- $course_code = api_get_course_id();
- // Get all the docs.
- $documents = $this->get_documents(true);
- // Get all the exercises.
- $exercises = $this->get_exercises();
- // Get all the links.
- $links = $this->get_links();
- // Get all the student publications.
- $works = $this->get_student_publications();
- // Get all the forums.
- $forums = $this->get_forums(null, $course_code);
- // Get the final item form (see BT#11048) .
- $finish = $this->getFinalItemForm();
- $headers = array(
- Display::return_icon('folder_document.png', get_lang('Documents'), array(), ICON_SIZE_BIG),
- Display::return_icon('quiz.png', get_lang('Quiz'), array(), ICON_SIZE_BIG),
- Display::return_icon('links.png', get_lang('Links'), array(), ICON_SIZE_BIG),
- Display::return_icon('works.png', get_lang('Works'), array(), ICON_SIZE_BIG),
- Display::return_icon('forum.png', get_lang('Forums'), array(), ICON_SIZE_BIG),
- Display::return_icon('add_learnpath_section.png', get_lang('NewChapter'), array(), ICON_SIZE_BIG),
- Display::return_icon('certificate.png', get_lang('Certificate'), [], ICON_SIZE_BIG),
- );
- echo Display::display_normal_message(get_lang('ClickOnTheLearnerViewToSeeYourLearningPath'));
- $chapter = $_SESSION['oLP']->display_item_form('chapter', get_lang('EnterDataNewChapter'), 'add_item');
- echo Display::tabs(
- $headers,
- array($documents, $exercises, $links, $works, $forums, $chapter, $finish), 'resource_tab'
- );
- return true;
- }
- /**
- * Returns the extension of a document
- * @param string filename
- * @return string Extension (part after the last dot)
- */
- public function get_extension($filename)
- {
- $explode = explode('.', $filename);
- return $explode[count($explode) - 1];
- }
- /**
- * Displays a document by id
- *
- * @param int $id
- * @return string
- */
- public function display_document($id, $show_title = false, $iframe = true, $edit_link = false)
- {
- $_course = api_get_course_info();
- $course_id = api_get_course_int_id();
- $return = '';
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $sql_doc = "SELECT * FROM " . $tbl_doc . "
- WHERE c_id = ".$course_id." AND id = " . $id;
- $res_doc = Database::query($sql_doc);
- $row_doc = Database :: fetch_array($res_doc);
- // TODO: Add a path filter.
- if ($iframe) {
- $return .= '<iframe id="learnpath_preview_frame" frameborder="0" height="400" width="100%" scrolling="auto" src="' . api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/document' . str_replace('%2F', '/', urlencode($row_doc['path'])) . '?' . api_get_cidreq() . '"></iframe>';
- } else {
- $return .= file_get_contents(api_get_path(SYS_COURSE_PATH) . $_course['path'] . '/document' . $row_doc['path']);
- }
- return $return;
- }
- /**
- * Return HTML form to add/edit a quiz
- * @param string Action (add/edit)
- * @param integer Item ID if already exists
- * @param mixed Extra information (quiz ID if integer)
- * @return string HTML form
- */
- public function display_quiz_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_quiz = Database :: get_course_table(TABLE_QUIZ_TEST);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = $extra_info['title'];
- $item_description = $extra_info['description'];
- } elseif (is_numeric($extra_info)) {
- $sql = "SELECT title, description
- FROM " . $tbl_quiz . "
- WHERE c_id = ".$course_id." AND id = " . $extra_info;
- $result = Database::query($sql);
- $row = Database::fetch_array($result);
- $item_title = $row['title'];
- $item_description = $row['description'];
- } else {
- $item_title = '';
- $item_description = '';
- }
- $item_title = Security::remove_XSS($item_title);
- $item_description = Security::remove_XSS($item_description);
- if ($id != 0 && is_array($extra_info))
- $parent = $extra_info['parent_item_id'];
- else
- $parent = 0;
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array ();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array (
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'max_time_allowed' => $row['max_time_allowed']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- $form = new FormValidator('quiz_form', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING']);
- $defaults = [];
- if ($action == 'add') {
- $legend = get_lang('CreateTheExercise');
- } elseif ($action == 'move') {
- $legend = get_lang('MoveTheCurrentExercise');
- } else {
- $legend = get_lang('EditCurrentExecice');
- }
- if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
- $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
- }
- $form->addHeader($legend);
- if ($action != 'move') {
- $form->addText('title', get_lang('Title'), true, ['id' => 'idTitle']);
- $defaults['title'] = $item_title;
- }
- // Select for Parent item, root or chapter
- $selectParent = $form->addSelect(
- 'parent',
- get_lang('Parent'),
- [],
- ['id' => 'idParent', 'onchange' => 'load_cbo(this.value);']
- );
- $selectParent->addOption($this->name, 0);
- $arrHide = array (
- $id
- );
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (
- (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) &&
- !in_array($arrLP[$i]['id'], $arrHide) &&
- !in_array($arrLP[$i]['parent_item_id'], $arrHide)
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'], ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- }
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $selectPrevious = $form->addSelect('previous', get_lang('Position'), [], ['id' => 'previous']);
- $selectPrevious->addOption(get_lang('FirstPosition'), 0);
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- $selectPrevious->addOption(get_lang('After') . ' "' . $arrLP[$i]['title'] . '"', $arrLP[$i]['id']);
- if (is_array($extra_info)) {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- }
- } elseif ($action == 'add') {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- }
- }
- }
- if ($action != 'move') {
- $id_prerequisite = 0;
- if (is_array($arrLP)) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array ();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if (is_array($extra_info)) {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $s_selected_position = $arrLP[$i]['id'];
- }
- } elseif ($action == 'add') {
- $s_selected_position = 0;
- }
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- /*// Commented the prerequisites, only visible in edit (exercise).
- $return .= '<tr>';
- $return .= '<td class="label"><label for="idPrerequisites">'.get_lang('LearnpathPrerequisites').'</label></td>';
- $return .= '<td class="input"><select name="prerequisites" id="prerequisites" class="learnpath_item_form"><option value="0">'.get_lang('NoPrerequisites').'</option>';
- foreach($arrHide as $key => $value){
- if($key==$s_selected_position && $action == 'add'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- elseif($key==$id_prerequisite && $action == 'edit'){
- $return .= '<option value="'.$key.'" selected="selected">'.$value['value'].'</option>';
- }
- else{
- $return .= '<option value="'.$key.'">'.$value['value'].'</option>';
- }
- }
- $return .= "</select></td>";
- */
- /*$return .= '<tr>';
- $return .= '<td class="label"><label for="maxTimeAllowed">' . get_lang('MaxTimeAllowed') . '</label></td>';
- $return .= '<td class="input"><input name="maxTimeAllowed" style="width:98%;" id="maxTimeAllowed" value="' . $extra_info['max_time_allowed'] . '" /></td>';
- // Remove temporarily the test description.
- //$return .= '<td class="label"><label for="idDescription">'.get_lang('Description').' :</label></td>';
- //$return .= '<td class="input"><textarea id="idDescription" name="description" rows="4">' . $item_description . '</textarea></td>';
- $return .= '</tr>'; */
- }
- if ($action == 'add') {
- $form->addButtonSave(get_lang('AddExercise'), 'submit_button');
- } else {
- $form->addButtonSave(get_lang('EditCurrentExecice'), 'submit_button');
- }
- if ($action == 'move') {
- $form->addHidden('title', $item_title);
- $form->addHidden('description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addHidden('path', $extra_info);
- } elseif (is_array($extra_info)) {
- $form->addHidden('path', $extra_info['path']);
- }
- $form->addHidden('type', TOOL_QUIZ);
- $form->addHidden('post_time', time());
- $form->setDefaults($defaults);
- return '<div class="sectioncomment">' . $form->returnForm() . '</div>';
- }
- /**
- * Addition of Hotpotatoes tests
- * @param string Action
- * @param integer Internal ID of the item
- * @param mixed Extra information - can be an array with title and description indexes
- * @return string HTML structure to display the hotpotatoes addition formular
- */
- public function display_hotpotatoes_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- } elseif (is_numeric($extra_info)) {
- $TBL_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
- $sql = "SELECT * FROM " . $TBL_DOCUMENT . "
- WHERE
- c_id = ".$course_id." AND
- path LIKE '" . $uploadPath . "/%/%htm%' AND
- id = " . (int) $extra_info . "
- ORDER BY id ASC";
- $res_hot = Database::query($sql);
- $row = Database::fetch_array($res_hot);
- $item_title = $row['title'];
- $item_description = $row['description'];
- if (!empty ($row['comment'])) {
- $item_title = $row['comment'];
- }
- } else {
- $item_title = '';
- $item_description = '';
- }
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM $tbl_lp_item
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array ();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array (
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'max_time_allowed' => $row['max_time_allowed']
- );
- }
- $legend = '<legend>';
- if ($action == 'add')
- $legend .= get_lang('CreateTheExercise');
- elseif ($action == 'move') $legend .= get_lang('MoveTheCurrentExercise');
- else
- $legend .= get_lang('EditCurrentExecice');
- if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
- $legend .= Display :: return_warning_message(get_lang('Warning') . ' ! ' . get_lang('WarningEditingDocument'));
- }
- $legend .= '</legend>';
- $return = '<form method="POST">';
- $return .= $legend;
- $return .= '<table cellpadding="0" cellspacing="0" class="lp_form">';
- $return .= '<tr>';
- $return .= '<td class="label"><label for="idParent">' . get_lang('Parent') . ' :</label></td>';
- $return .= '<td class="input">';
- $return .= '<select id="idParent" name="parent" onChange="javascript: load_cbo(this.value);" size="1">';
- $return .= '<option class="top" value="0">' . $this->name . '</option>';
- $arrHide = array (
- $id
- );
- if (count($arrLP) > 0) {
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
- $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir')
- $return .= '<option ' . (($parent == $arrLP[$i]['id']) ? 'selected="selected" ' : '') . 'style="padding-left:' . ($arrLP[$i]['depth'] * 10) . 'px;" value="' . $arrLP[$i]['id'] . '">' . $arrLP[$i]['title'] . '</option>';
- }
- }
- reset($arrLP);
- }
- $return .= '</select>';
- $return .= '</td>';
- $return .= '</tr>';
- $return .= '<tr>';
- $return .= '<td class="label"><label for="previous">' . get_lang('Position') . ' :</label></td>';
- $return .= '<td class="input">';
- $return .= '<select id="previous" name="previous" size="1">';
- $return .= '<option class="top" value="0">' . get_lang('FirstPosition') . '</option>';
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $selected = 'selected="selected" ';
- elseif ($action == 'add') $selected = 'selected="selected" ';
- else
- $selected = '';
- $return .= '<option ' . $selected . 'value="' . $arrLP[$i]['id'] . '">' . get_lang('After') . ' "' . $arrLP[$i]['title'] . '"</option>';
- }
- }
- $return .= '</select>';
- $return .= '</td>';
- $return .= '</tr>';
- if ($action != 'move') {
- $return .= '<tr>';
- $return .= '<td class="label"><label for="idTitle">' . get_lang('Title') . ' :</label></td>';
- $return .= '<td class="input"><input id="idTitle" name="title" type="text" value="' . $item_title . '" /></td>';
- $return .= '</tr>';
- $id_prerequisite = 0;
- if (is_array($arrLP) && count($arrLP) > 0) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- $arrHide = array ();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = 0;
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- }
- }
- $return .= '<tr>';
- $return .= '<td> </td><td><button class="save" name="submit_button" action="edit" type="submit">' . get_lang('SaveHotpotatoes') . '</button></td>';
- $return .= '</tr>';
- $return .= '</table>';
- if ($action == 'move') {
- $return .= '<input name="title" type="hidden" value="' . $item_title . '" />';
- $return .= '<input name="description" type="hidden" value="' . $item_description . '" />';
- }
- if (is_numeric($extra_info)) {
- $return .= '<input name="path" type="hidden" value="' . $extra_info . '" />';
- } elseif (is_array($extra_info)) {
- $return .= '<input name="path" type="hidden" value="' . $extra_info['path'] . '" />';
- }
- $return .= '<input name="type" type="hidden" value="' . TOOL_HOTPOTATOES . '" />';
- $return .= '<input name="post_time" type="hidden" value="' . time() . '" />';
- $return .= '</form>';
- return $return;
- }
- /**
- * Return the form to display the forum edit/add option
- * @param string Action (add/edit)
- * @param integer ID of the lp_item if already exists
- * @param mixed Forum ID or title
- * @return string HTML form
- */
- public function display_forum_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_forum = Database :: get_course_table(TABLE_FORUM);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- } elseif (is_numeric($extra_info)) {
- $sql = "SELECT forum_title as title, forum_comment as comment
- FROM " . $tbl_forum . "
- WHERE c_id = ".$course_id." AND forum_id = " . $extra_info;
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $item_title = $row['title'];
- $item_description = $row['comment'];
- } else {
- $item_title = '';
- $item_description = '';
- }
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE
- c_id = ".$course_id." AND
- lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array (
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset($this->arrMenu);
- if ($action == 'add') {
- $legend = get_lang('CreateTheForum');
- } elseif ($action == 'move') {
- $legend = get_lang('MoveTheCurrentForum');
- } else {
- $legend = get_lang('EditCurrentForum');
- }
- $form = new FormValidator('forum_form', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING']);
- $defaults = [];
- $form->addHeader($legend);
- if ($action != 'move') {
- $form->addText('title', get_lang('Title'), true, ['id' => 'idTitle', 'class' => 'learnpath_item_form']);
- $defaults['title'] = $item_title;
- }
- $selectParent = $form->addSelect(
- 'parent',
- get_lang('Parent'),
- [],
- ['id' => 'idParent', 'onchange' => 'load_cbo(this.value);', 'class' => 'learnpath_item_form']
- );
- $selectParent->addOption($this->name, 0);
- $arrHide = array(
- $id
- );
- //$parent_item_id = $_SESSION['parent_item_id'];
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- }
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $selectPrevious = $form->addSelect(
- 'previous',
- get_lang('Position'),
- [],
- ['id' => 'previous', 'class' => 'learnpath_item_form']
- );
- $selectPrevious->addOption(get_lang('FirstPosition'), 0);
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- $selectPrevious->addOption(get_lang('After') . ' "' . $arrLP[$i]['title'] . '"', $arrLP[$i]['id']);
- if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- } elseif ($action == 'add') {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- }
- }
- }
- if ($action != 'move') {
- $id_prerequisite = 0;
- if (is_array($arrLP)) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = 0;
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- }
- if ($action == 'add') {
- $form->addButtonSave(get_lang('AddForumToCourse'), 'submit_button');
- } else {
- $form->addButtonSave(get_lang('EditCurrentForum'), 'submit_button');
- }
- if ($action == 'move') {
- $form->addHidden('title', $item_title);
- $form->addHidden('description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addHidden('path', $extra_info);
- } elseif (is_array($extra_info)) {
- $form->addHidden('path', $extra_info['path']);
- }
- $form->addHidden('type', TOOL_FORUM);
- $form->addHidden('post_time', time());
- $form->setDefaults($defaults);
- return '<div class="sectioncomment">' . $form->returnForm() . '</div>';
- }
- /**
- * Return HTML form to add/edit forum threads
- * @param string Action (add/edit)
- * @param integer Item ID if already exists in learning path
- * @param mixed Extra information (thread ID if integer)
- * @return string HTML form
- */
- public function display_thread_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- if (empty($course_id)) {
- return null;
- }
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_forum = Database :: get_course_table(TABLE_FORUM_THREAD);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- } elseif (is_numeric($extra_info)) {
- $sql = "SELECT thread_title as title FROM $tbl_forum
- WHERE c_id = $course_id AND thread_id = " . $extra_info;
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $item_title = $row['title'];
- $item_description = '';
- } else {
- $item_title = '';
- $item_description = '';
- }
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array ();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array (
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- $form = new FormValidator('thread_form', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING']);
- $defaults = [];
- if ($action == 'add') {
- $legend = get_lang('CreateTheForum');
- } elseif ($action == 'move') {
- $legend = get_lang('MoveTheCurrentForum');
- } else {
- $legend = get_lang('EditCurrentForum');
- }
- $form->addHeader($legend);
- $selectParent = $form->addSelect(
- 'parent',
- get_lang('Parent'),
- [],
- ['id' => 'idParent', 'onchange' => 'load_cbo(this.value);']
- );
- $selectParent->addOption($this->name, 0);
- $arrHide = array (
- $id
- );
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (
- (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) &&
- !in_array($arrLP[$i]['id'], $arrHide) &&
- !in_array($arrLP[$i]['parent_item_id'], $arrHide)
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- }
- }
- }
- if ($arrLP != null) {
- reset($arrLP);
- }
- $selectPrevious = $form->addSelect('previous', get_lang('Position'), [], ['id' => 'previous']);
- $selectPrevious->addOption(get_lang('FirstPosition'), 0);
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- $selectPrevious->addOption(
- get_lang('After') . ' "' . $arrLP[$i]['title'] . '"',
- $arrLP[$i]['id']
- );
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- } elseif ($action == 'add') {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- }
- }
- }
- if ($action != 'move') {
- $form->addText('title', get_lang('Title'), true, ['id' => 'idTitle']);
- $defaults['title'] = $item_title;
- $id_prerequisite = 0;
- if ($arrLP != null) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array();
- $s_selected_position = 0;
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = 0;
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- $selectPrerequisites = $form->addSelect(
- 'prerequisites',
- get_lang('LearnpathPrerequisites'),
- [],
- ['id' => 'prerequisites']
- );
- $selectPrerequisites->addOption(get_lang('NoPrerequisites'), 0);
- foreach ($arrHide as $key => $value) {
- $selectPrerequisites->addOption($value['value'], $key);
- if ($key == $s_selected_position && $action == 'add') {
- $selectPrerequisites->setSelected($key);
- } elseif ($key == $id_prerequisite && $action == 'edit') {
- $selectPrerequisites->setSelected($key);
- }
- }
- }
- $form->addButtonSave(get_lang('Ok'), 'submit_button');
- if ($action == 'move') {
- $form->addHidden('title', $item_title);
- $form->addHidden('description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addHidden('path', $extra_info);
- }
- elseif (is_array($extra_info)) {
- $form->addHidden('path', $extra_info['path']);
- }
- $form->addHidden('type', TOOL_THREAD);
- $form->addHidden('post_time', time());
- $form->setDefaults($defaults);
- return $form->returnForm();
- }
- /**
- * Return the HTML form to display an item (generally a section/module item)
- * @param string Item type (module/dokeos_module)
- * @param string Title (optional, only when creating)
- * @param string Action ('add'/'edit')
- * @param integer lp_item ID
- * @param mixed Extra info
- * @return string HTML form
- */
- public function display_item_form($item_type, $title = '', $action = 'add_item', $id = 0, $extra_info = 'new')
- {
- $course_id = api_get_course_int_id();
- $_course = api_get_course_info();
- global $charset;
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = $extra_info['title'];
- $item_description = $extra_info['description'];
- $item_path = api_get_path(WEB_COURSE_PATH) . $_course['path'] . '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
- $item_path_fck = '/scorm/' . $this->path . '/' . stripslashes($extra_info['path']);
- } else {
- $item_title = '';
- $item_description = '';
- $item_path_fck = '';
- }
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $id = intval($id);
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE
- c_id = ".$course_id." AND
- lp_id = " . $this->lp_id . " AND
- id != $id";
- if ($item_type == 'module')
- $sql .= " AND parent_item_id = 0";
- $result = Database::query($sql);
- $arrLP = array ();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'display_order' => $row['display_order']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- $gradebook = isset($_GET['gradebook']) ? Security :: remove_XSS($_GET['gradebook']) : null;
- $url = api_get_self() . '?' .api_get_cidreq().'&gradeboook='.$gradebook.'&action='.$action.'&type='.$item_type.'&lp_id='.$this->lp_id;
- $form = new FormValidator('form', 'POST', $url);
- $defaults['title'] = api_html_entity_decode($item_title, ENT_QUOTES, $charset);
- $defaults['description'] = $item_description;
- $form->addElement('header', $title);
- //$arrHide = array($id);
- $arrHide[0]['value'] = Security :: remove_XSS($this->name);
- $arrHide[0]['padding'] = 20;
- $charset = api_get_system_encoding();
- if ($item_type != 'module' && $item_type != 'dokeos_module') {
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- $arrHide[$arrLP[$i]['id']]['padding'] = 20 + $arrLP[$i]['depth'] * 20;
- if ($parent == $arrLP[$i]['id']) {
- $s_selected_parent = $arrHide[$arrLP[$i]['id']];
- }
- }
- } else {
- if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') {
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- $arrHide[$arrLP[$i]['id']]['padding'] = 20 + $arrLP[$i]['depth'] * 20;
- if ($parent == $arrLP[$i]['id']) {
- $s_selected_parent = $arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
- if ($action != 'move') {
- $form->addElement('text', 'title', get_lang('Title'));
- $form->applyFilter('title', 'html_filter');
- $form->addRule('title', get_lang('ThisFieldIsRequired'), 'required');
- } else {
- $form->addElement('hidden', 'title');
- }
- $parent_select = $form->addElement('select', 'parent', get_lang('Parent'), '', array('id' => 'idParent', 'onchange' => "javascript: load_cbo(this.value);"));
- foreach ($arrHide as $key => $value) {
- $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
- }
- if (!empty($s_selected_parent)) {
- $parent_select->setSelected($s_selected_parent);
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $arrHide = array();
- // POSITION
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- //this is the same!
- if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $s_selected_position = $arrLP[$i]['id'];
- } elseif ($action == 'add') {
- $s_selected_position = $arrLP[$i]['id'];
- }
- $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
- }
- }
- $position = $form->addElement('select', 'previous', get_lang('Position'), '', array('id' => 'previous'));
- $padding = isset($value['padding']) ? $value['padding'] : 0;
- $position->addOption(get_lang('FirstPosition'), 0, 'style="padding-left:' . $padding . 'px;"');
- foreach ($arrHide as $key => $value) {
- $position->addOption($value['value'] . '"', $key, 'style="padding-left:' . $padding . 'px;"');
- }
- if (!empty ($s_selected_position)) {
- $position->setSelected($s_selected_position);
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $form->addButtonSave(get_lang('SaveSection'), 'submit_button');
- if ($item_type == 'module' || $item_type == 'dokeos_module') {
- $form->addElement('hidden', 'parent', '0');
- }
- //fix in order to use the tab
- if ($item_type == 'chapter') {
- $form->addElement('hidden', 'type', 'chapter');
- }
- $extension = null;
- if (!empty($item_path)) {
- $extension = pathinfo($item_path, PATHINFO_EXTENSION);
- }
- //assets can't be modified
- //$item_type == 'asset' ||
- if (( $item_type == 'sco') && ($extension == 'html' || $extension == 'htm')) {
- if ($item_type == 'sco') {
- $form->addElement('html', '<script type="text/javascript">alert("' . get_lang('WarningWhenEditingScorm') . '")</script>');
- }
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<br /> {label}<br />{element}', 'content_lp');
- $relative_prefix = '';
- $editor_config = array( 'ToolbarSet' => 'LearningPathDocuments',
- 'Width' => '100%',
- 'Height' => '500',
- 'FullPage' => true,
- 'CreateDocumentDir' => $relative_prefix,
- 'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/scorm/',
- 'BaseHref' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().$item_path_fck
- );
- $form->addElement('html_editor', 'content_lp', '', null, $editor_config);
- $content_path = (api_get_path(SYS_COURSE_PATH).api_get_course_path().$item_path_fck);
- //$defaults['content_lp'] = file_get_contents($item_path);
- $defaults['content_lp'] = file_get_contents($content_path);
- }
- $form->addElement('hidden', 'type', 'dokeos_' . $item_type);
- $form->addElement('hidden', 'post_time', time());
- $form->setDefaults($defaults);
- return $form->return_form();
- }
- /**
- * Returns the form to update or create a document
- * @param string Action (add/edit)
- * @param integer ID of the lp_item (if already exists)
- * @param mixed Integer if document ID, string if info ('new')
- * @return string HTML form
- */
- public function display_document_form($action = 'add', $id = 0, $extra_info = 'new')
- {
- $course_id = api_get_course_int_id();
- $_course = api_get_course_info();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $no_display_edit_textarea = false;
- $item_description = '';
- //If action==edit document
- //We don't display the document form if it's not an editable document (html or txt file)
- if ($action == "edit") {
- if (is_array($extra_info)) {
- $path_parts = pathinfo($extra_info['dir']);
- if ($path_parts['extension'] != "txt" && $path_parts['extension'] != "html") {
- $no_display_edit_textarea = true;
- }
- }
- }
- $no_display_add = false;
- // If action==add an existing document
- // We don't display the document form if it's not an editable document (html or txt file).
- if ($action == "add") {
- if (is_numeric($extra_info)) {
- $sql_doc = "SELECT path FROM " . $tbl_doc . "
- WHERE c_id = ".$course_id." AND id = " . intval($extra_info);
- $result = Database::query($sql_doc);
- $path_file = Database :: result($result, 0, 0);
- $path_parts = pathinfo($path_file);
- if ($path_parts['extension'] != "txt" && $path_parts['extension'] != "html") {
- $no_display_add = true;
- }
- }
- }
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- $item_terms = stripslashes($extra_info['terms']);
- if (empty ($item_title)) {
- $path_parts = pathinfo($extra_info['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
- } elseif (is_numeric($extra_info)) {
- $sql_doc = "SELECT path, title FROM " . $tbl_doc . "
- WHERE
- c_id = ".$course_id." AND
- id = " . intval($extra_info);
- $result = Database::query($sql_doc);
- $row = Database::fetch_array($result);
- $item_title = $row['title'];
- $item_title = str_replace('_', ' ', $item_title);
- if (empty ($item_title)) {
- $path_parts = pathinfo($row['path']);
- $item_title = stripslashes($path_parts['filename']);
- }
- } else {
- $item_title = '';
- $item_description = '';
- }
- $return = '<legend>';
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array ();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- if ($action == 'add') {
- $return .= get_lang('CreateTheDocument');
- } elseif ($action == 'move') {
- $return .= get_lang('MoveTheCurrentDocument');
- } else {
- $return .= get_lang('EditTheCurrentDocument');
- }
- $return .= '</legend>';
- if (isset ($_GET['edit']) && $_GET['edit'] == 'true') {
- $return .= Display :: return_warning_message('<strong>' . get_lang('Warning') . ' !</strong><br />' . get_lang('WarningEditingDocument'), false);
- }
- $form = new FormValidator('form', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING'], '', array('enctype'=> "multipart/form-data"));
- $defaults['title'] = Security :: remove_XSS($item_title);
- if (empty($item_title)) {
- $defaults['title'] = Security::remove_XSS($item_title);
- }
- $defaults['description'] = $item_description;
- $form->addElement('html', $return);
- if ($action != 'move') {
- $form->addElement('text', 'title', get_lang('Title'), array('id' => 'idTitle', 'class' => 'col-md-4'));
- $form->applyFilter('title', 'html_filter');
- }
- $arrHide[0]['value'] = $this->name;
- $arrHide[0]['padding'] = 20;
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') && !in_array($arrLP[$i]['id'], $arrHide) && !in_array($arrLP[$i]['parent_item_id'], $arrHide)) {
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- $arrHide[$arrLP[$i]['id']]['padding'] = 20 + $arrLP[$i]['depth'] * 20;
- if ($parent == $arrLP[$i]['id']) {
- $s_selected_parent = $arrHide[$arrLP[$i]['id']];
- }
- }
- } else {
- if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') {
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- $arrHide[$arrLP[$i]['id']]['padding'] = 20 + $arrLP[$i]['depth'] * 20;
- if ($parent == $arrLP[$i]['id']) {
- $s_selected_parent = $arrHide[$arrLP[$i]['id']];
- }
- }
- }
- }
- $parent_select = $form->addSelect('parent', get_lang('Parent'), [], ['id' => 'idParent', 'onchange' => 'javascript: load_cbo(this.value);']);
- $my_count=0;
- foreach ($arrHide as $key => $value) {
- if ($my_count!=0) {
- // The LP name is also the first section and is not in the same charset like the other sections.
- $value['value'] = Security :: remove_XSS($value['value']);
- $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
- } else {
- $value['value'] = Security :: remove_XSS($value['value']);
- $parent_select->addOption($value['value'], $key, 'style="padding-left:' . $value['padding'] . 'px;"');
- }
- $my_count++;
- }
- if (!empty($id)) {
- $parent_select->setSelected($parent);
- } else {
- $parent_item_id = isset($_SESSION['parent_item_id']) ? $_SESSION['parent_item_id'] : 0 ;
- $parent_select->setSelected($parent_item_id);
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $arrHide = array();
- $s_selected_position = null;
- //POSITION
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id || $arrLP[$i]['item_type'] == TOOL_LP_FINAL_ITEM) {
- if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id'] || $action == 'add') {
- $s_selected_position = $arrLP[$i]['id'];
- }
- $arrHide[$arrLP[$i]['id']]['value'] = get_lang('After') . ' "' . $arrLP[$i]['title'] . '"';
- }
- }
- $position = $form->addSelect('previous', get_lang('Position'), [], ['id' => 'previous']);
- $position->addOption(get_lang('FirstPosition'), 0);
- foreach ($arrHide as $key => $value) {
- $padding = isset($value['padding']) ? $value['padding']: 20;
- $position->addOption($value['value'], $key, 'style="padding-left:' . $padding . 'px;"');
- }
- $position->setSelected($s_selected_position);
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- if ($action != 'move') {
- $id_prerequisite = 0;
- if (is_array($arrLP)) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter' && $arrLP[$i]['item_type'] !== TOOL_LP_FINAL_ITEM) {
- if (isset($extra_info['previous_item_id']) && $extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = $arrLP[$i]['id'];
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- if (!$no_display_add) {
- $item_type = isset($extra_info['item_type']) ? $extra_info['item_type'] : null;
- $edit = isset($_GET['edit']) ? $_GET['edit'] : null;
- if (($extra_info == 'new' || $item_type == TOOL_DOCUMENT || $item_type == TOOL_LP_FINAL_ITEM || $edit == 'true')) {
- if (isset ($_POST['content']))
- $content = stripslashes($_POST['content']);
- elseif (is_array($extra_info)) {
- //If it's an html document or a text file
- if (!$no_display_edit_textarea) {
- $content = $this->display_document($extra_info['path'], false, false);
- }
- } elseif (is_numeric($extra_info))
- $content = $this->display_document($extra_info, false, false);
- else
- $content = '';
- if (!$no_display_edit_textarea) {
- // We need to calculate here some specific settings for the online editor.
- // The calculated settings work for documents in the Documents tool
- // (on the root or in subfolders).
- // For documents in native scorm packages it is unclear whether the
- // online editor should be activated or not.
- // A new document, it is in the root of the repository.
- $relative_path = '';
- $relative_prefix = '';
- if (is_array($extra_info) && $extra_info != 'new') {
- // The document already exists. Whe have to determine its relative path towards the repository root.
- $relative_path = explode('/', $extra_info['dir']);
- $cnt = count($relative_path) - 2;
- if ($cnt < 0) {
- $cnt = 0;
- }
- $relative_prefix = str_repeat('../', $cnt);
- $relative_path = array_slice($relative_path, 1, $cnt);
- $relative_path = implode('/', $relative_path);
- if (strlen($relative_path) > 0) {
- $relative_path = $relative_path . '/';
- }
- } else {
- $result = $this->generate_lp_folder($_course);
- $relative_path = api_substr($result['dir'], 1, strlen($result['dir']));
- $relative_prefix = '../../';
- }
- $editor_config = array(
- 'ToolbarSet'=> 'LearningPathDocuments',
- 'Width' => '100%',
- 'Height' => '500',
- 'FullPage' => true,
- 'CreateDocumentDir' => $relative_prefix,
- 'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/',
- 'BaseHref' => api_get_path(WEB_COURSE_PATH) . api_get_course_path().'/document/'.$relative_path
- );
- if ($_GET['action'] == 'add_item') {
- $class = 'add';
- $text = get_lang('LPCreateDocument');
- } else {
- if ($_GET['action'] == 'edit_item') {
- $class = 'save';
- $text = get_lang('SaveDocument');
- }
- }
- $form->addButtonSave($text, 'submit_button');
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate(' {label}{element}', 'content_lp');
- $form->addElement('html', '<div class="editor-lp">');
- $form->addHtmlEditor('content_lp', null, null, true, $editor_config, true);
- $form->addElement('html', '</div>');
- $defaults['content_lp'] = $content;
- }
- } elseif (is_numeric($extra_info)) {
- $form->addButtonSave(get_lang('SaveDocument'), 'submit_button');
- $return = $this->display_document($extra_info, true, true, true);
- $form->addElement('html', $return);
- }
- }
- }
- if ($action == 'move') {
- $form->addElement('hidden', 'title', $item_title);
- $form->addElement('hidden', 'description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addButtonSave(get_lang('SaveDocument'), 'submit_button');
- $form->addElement('hidden', 'path', $extra_info);
- } elseif (is_array($extra_info)) {
- $form->addButtonSave(get_lang('SaveDocument'), 'submit_button');
- $form->addElement('hidden', 'path', $extra_info['path']);
- }
- $form->addElement('hidden', 'type', TOOL_DOCUMENT);
- $form->addElement('hidden', 'post_time', time());
- $form->setDefaults($defaults);
- return $form->return_form();
- }
- /**
- * Return HTML form to add/edit a link item
- * @param string $action (add/edit)
- * @param integer $id Item ID if exists
- * @param mixed $extra_info
- * @return string HTML form
- */
- public function display_link_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_link = Database :: get_course_table(TABLE_LINK);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- $item_url = stripslashes($extra_info['url']);
- } elseif (is_numeric($extra_info)) {
- $extra_info = intval($extra_info);
- $sql = "SELECT title, description, url FROM " . $tbl_link . "
- WHERE c_id = ".$course_id." AND id = " . $extra_info;
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $item_title = $row['title'];
- $item_description = $row['description'];
- $item_url = $row['url'];
- } else {
- $item_title = '';
- $item_description = '';
- $item_url = '';
- }
- $form = new FormValidator('edit_link', 'POST', api_get_self() . '?' .$_SERVER['QUERY_STRING']);
- $defaults = [];
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- if ($action == 'add') {
- $legend = get_lang('CreateTheLink');
- } elseif ($action == 'move') {
- $legend = get_lang('MoveCurrentLink');
- } else {
- $legend = get_lang('EditCurrentLink');
- }
- $form->addHeader($legend);
- if ($action != 'move') {
- $form->addText('title', get_lang('Title'), true, ['class' => 'learnpath_item_form']);
- $defaults['title'] = $item_title;
- }
- $selectParent = $form->addSelect(
- 'parent',
- get_lang('Parent'),
- [],
- ['id' => 'idParent', 'onchange' => 'load_cbo(this.value);', 'class' => 'learnpath_item_form']
- );
- $selectParent->addOption($this->name, 0);
- $arrHide = array(
- $id
- );
- $parent_item_id = isset($_SESSION['parent_item_id']) ? $_SESSION['parent_item_id'] : 0;
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (
- (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) &&
- !in_array($arrLP[$i]['id'], $arrHide) &&
- !in_array($arrLP[$i]['parent_item_id'], $arrHide)
- ) {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px;']
- );
- if ($parent == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if ($arrLP[$i]['item_type'] == 'dokeos_module' || $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir') {
- $selectParent->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (20 + $arrLP[$i]['depth'] * 20) . 'px']
- );
- if ($parent_item_id == $arrLP[$i]['id']) {
- $selectParent->setSelected($arrLP[$i]['id']);
- }
- }
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $selectPrevious = $form->addSelect(
- 'previous',
- get_lang('Position'),
- [],
- ['id' => 'previous', 'class' => 'learnpath_item_form']
- );
- $selectPrevious->addOption(get_lang('FirstPosition'), 0);
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- $selectPrevious->addOption($arrLP[$i]['title'], $arrLP[$i]['id']);
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- } elseif ($action == 'add') {
- $selectPrevious->setSelected($arrLP[$i]['id']);
- }
- }
- }
- if ($action != 'move') {
- $urlAttributes = ['class' => 'learnpath_item_form'];
- if (is_numeric($extra_info)) {
- $urlAttributes['disabled'] = 'disabled';
- }
- $form->addElement('url', 'url', get_lang('Url'), $urlAttributes);
- $defaults['url'] = $item_url;
- $id_prerequisite = 0;
- if (is_array($arrLP)) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = 0;
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- }
- if ($action == 'add') {
- $form->addButtonSave(get_lang('AddLinkToCourse'), 'submit_button');
- } else {
- $form->addButtonSave(get_lang('EditCurrentLink'), 'submit_button');
- }
- if ($action == 'move') {
- $form->addHidden('title', $item_title);
- $form->addHidden('description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addHidden('path', $extra_info);
- } elseif (is_array($extra_info)) {
- $form->addHidden('path', $extra_info['path']);
- }
- $form->addHidden('type', TOOL_LINK);
- $form->addHidden('post_time', time());
- $form->setDefaults($defaults);
- return '<div class="sectioncomment">' . $form->returnForm() . '</div>';
- }
- /**
- * Return HTML form to add/edit a student publication (work)
- * @param string Action (add/edit)
- * @param integer Item ID if already exists
- * @param mixed Extra info (work ID if integer)
- * @return string HTML form
- */
- public function display_student_publication_form($action = 'add', $id = 0, $extra_info = '')
- {
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $tbl_publication = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
- if ($id != 0 && is_array($extra_info)) {
- $item_title = stripslashes($extra_info['title']);
- $item_description = stripslashes($extra_info['description']);
- } elseif (is_numeric($extra_info)) {
- $extra_info = intval($extra_info);
- $sql = "SELECT title, description
- FROM " . $tbl_publication . "
- WHERE c_id = ".$course_id." AND id = " . $extra_info;
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $item_title = $row['title'];
- } else {
- $item_title = get_lang('Student_publication');
- }
- if ($id != 0 && is_array($extra_info)) {
- $parent = $extra_info['parent_item_id'];
- } else {
- $parent = 0;
- }
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array();
- while ($row = Database :: fetch_array($result)) {
- $arrLP[] = array (
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'path' => $row['path'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite']
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset ($this->arrMenu);
- $form = new FormValidator('frm_student_publication', 'post', '#');
- if ($action == 'add') {
- $form->addHeader(get_lang('Student_publication'));
- } elseif ($action == 'move') {
- $form->addHeader(get_lang('MoveCurrentStudentPublication'));
- } else {
- $form->addHeader(get_lang('EditCurrentStudentPublication'));
- }
- if ($action != 'move') {
- $form->addText('title', get_lang('Title'), true, ['class' => 'learnpath_item_form', 'id' => 'idTitle']);
- }
- $parentSelect = $form->addSelect(
- 'parent',
- get_lang('Parent'),
- ['0' => $this->name],
- [
- 'onchange' => 'javascript: load_cbo(this.value);',
- 'class' => 'learnpath_item_form',
- 'id' => 'idParent'
- ]
- );
- $arrHide = array (
- $id
- );
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($action != 'add') {
- if (
- (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' ||
- $arrLP[$i]['item_type'] == 'dir'
- ) &&
- !in_array($arrLP[$i]['id'], $arrHide) &&
- !in_array($arrLP[$i]['parent_item_id'], $arrHide)
- ) {
- $parentSelect->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (($arrLP[$i]['depth'] * 10) + 20) . 'px;']
- );
- if ($parent == $arrLP[$i]['id']) {
- $parentSelect->setSelected($arrLP[$i]['id']);
- }
- } else {
- $arrHide[] = $arrLP[$i]['id'];
- }
- } else {
- if (
- $arrLP[$i]['item_type'] == 'dokeos_module' ||
- $arrLP[$i]['item_type'] == 'dokeos_chapter' || $arrLP[$i]['item_type'] == 'dir'
- ) {
- $parentSelect->addOption(
- $arrLP[$i]['title'],
- $arrLP[$i]['id'],
- ['style' => 'padding-left: ' . (($arrLP[$i]['depth'] * 10) + 20) . 'px;']
- );
- if ($parent == $arrLP[$i]['id']) {
- $parentSelect->setSelected($arrLP[$i]['id']);
- }
- }
- }
- }
- if (is_array($arrLP)) {
- reset($arrLP);
- }
- $previousSelect = $form->addSelect(
- 'previous',
- get_lang('Position'),
- ['0' => get_lang('FirstPosition')],
- ['id' => 'previous', 'class' => 'learnpath_item_form']
- );
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['parent_item_id'] == $parent && $arrLP[$i]['id'] != $id) {
- $previousSelect->addOption(
- get_lang('After') . ' "' . $arrLP[$i]['title'] . '"',
- $arrLP[$i]['id']
- );
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id']) {
- $previousSelect->setSelected($arrLP[$i]['id']);
- } elseif ($action == 'add') {
- $previousSelect->setSelected($arrLP[$i]['id']);
- }
- }
- }
- if ($action != 'move') {
- $id_prerequisite = 0;
- if (is_array($arrLP)) {
- foreach ($arrLP as $key => $value) {
- if ($value['id'] == $id) {
- $id_prerequisite = $value['prerequisite'];
- break;
- }
- }
- }
- $arrHide = array ();
- for ($i = 0; $i < count($arrLP); $i++) {
- if ($arrLP[$i]['id'] != $id && $arrLP[$i]['item_type'] != 'dokeos_chapter') {
- if ($extra_info['previous_item_id'] == $arrLP[$i]['id'])
- $s_selected_position = $arrLP[$i]['id'];
- elseif ($action == 'add') $s_selected_position = 0;
- $arrHide[$arrLP[$i]['id']]['value'] = $arrLP[$i]['title'];
- }
- }
- }
- if ($action == 'add') {
- $form->addButtonCreate(get_lang('AddAssignmentToCourse'), 'submit_button');
- } else {
- $form->addButtonCreate(get_lang('EditCurrentStudentPublication'), 'submit_button');
- }
- if ($action == 'move') {
- $form->addHidden('title', $item_title);
- $form->addHidden('description', $item_description);
- }
- if (is_numeric($extra_info)) {
- $form->addHidden('path', $extra_info);
- } elseif (is_array($extra_info)) {
- $form->addHidden('path', $extra_info['path']);
- }
- $form->addHidden('type', TOOL_STUDENTPUBLICATION);
- $form->addHidden('post_time', time());
- $form->setDefaults(['title' => $item_title]);
- $return = '<div class="sectioncomment">';
- $return .= $form->returnForm();
- $return .= '</div>';
- return $return;
- }
- /**
- * Displays the menu for manipulating a step
- *
- * @param $item_id
- * @param string $item_type
- * @return string
- */
- public function display_manipulate($item_id, $item_type = TOOL_DOCUMENT)
- {
- $_course = api_get_course_info();
- $course_id = api_get_course_int_id();
- $course_code = api_get_course_id();
- $return = '<div class="actions">';
- switch ($item_type) {
- case 'dokeos_chapter' :
- case 'chapter' :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateChapter');
- break;
- case 'dokeos_module' :
- case 'module' :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateModule');
- break;
- case TOOL_LP_FINAL_ITEM :
- case TOOL_DOCUMENT :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateDocument');
- break;
- case TOOL_LINK :
- case 'link' :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateLink');
- break;
- case TOOL_QUIZ :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateQuiz');
- break;
- case TOOL_STUDENTPUBLICATION :
- // Commented the message cause should not show it.
- //$lang = get_lang('TitleManipulateStudentPublication');
- break;
- }
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $item_id = intval($item_id);
- $sql = "SELECT * FROM " . $tbl_lp_item . " as lp
- WHERE lp.c_id = ".$course_id." AND lp.id = " . $item_id;
- $result = Database::query($sql);
- $row = Database::fetch_assoc($result);
- $audio_player = null;
- // We display an audio player if needed.
- if (!empty($row['audio'])) {
- $audio_player .= '<div class="lp_mediaplayer" id="container">
- <a href="http://www.macromedia.com/go/getflashplayer">Get the Flash Player</a> to see this player.
- </div>';
- $audio_player .= '<script type="text/javascript" src="../inc/lib/mediaplayer/swfobject.js"></script>';
- $audio_player .= '<script>
- var s1 = new SWFObject("../inc/lib/mediaplayer/player.swf","ply","250","20","9","#FFFFFF");
- s1.addParam("allowscriptaccess","always");
- s1.addParam("flashvars","file=../../courses/' . $_course['path'] . '/document/audio/' . $row['audio'] . '&autostart=true");
- s1.write("container");
- </script>';
- }
- $url = api_get_self().'?cidReq='.Security::remove_XSS($_GET['cidReq']).'&view=build&id='.$item_id .'&lp_id='.$this->lp_id;
- $return .= Display::url(
- Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL),
- $url.'&action=edit_item&path_item=' . $row['path']
- );
- $return .= Display::url(
- Display::return_icon('move.png', get_lang('Move'), array(), ICON_SIZE_SMALL),
- $url.'&action=move_item'
- );
- // Commented for now as prerequisites cannot be added to chapters.
- if ($item_type != 'dokeos_chapter' && $item_type != 'chapter') {
- $return .= Display::url(
- Display::return_icon('accept.png', get_lang('LearnpathPrerequisites'), array(), ICON_SIZE_SMALL),
- $url.'&action=edit_item_prereq'
- );
- }
- $return .= Display::url(
- Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL),
- $url.'&action=delete_item'
- );
- if ($item_type == TOOL_HOTPOTATOES ) {
- $document_data = DocumentManager::get_document_data_by_id($row['path'], $course_code);
- $return .= get_lang('File').': '.$document_data['absolute_path_from_document'];
- }
- if ($item_type == TOOL_DOCUMENT || $item_type == TOOL_LP_FINAL_ITEM) {
- $document_data = DocumentManager::get_document_data_by_id($row['path'], $course_code);
- $return .= get_lang('File').': '.$document_data['absolute_path_from_document'];
- }
- $return .= '</div>';
- if (!empty($audio_player)) {
- $return .= '<br />'.$audio_player;
- }
- return $return;
- }
- /**
- * Creates the javascript needed for filling up the checkboxes without page reload
- * @return string
- */
- public function get_js_dropdown_array()
- {
- $course_id = api_get_course_int_id();
- $return = 'var child_name = new Array();' . "\n";
- $return .= 'var child_value = new Array();' . "\n\n";
- $return .= 'child_name[0] = new Array();' . "\n";
- $return .= 'child_value[0] = new Array();' . "\n\n";
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql_zero = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id . " AND parent_item_id = 0
- ORDER BY display_order ASC";
- $res_zero = Database::query($sql_zero);
- $i = 0;
- while ($row_zero = Database :: fetch_array($res_zero)) {
- if ($row_zero['item_type'] !== TOOL_LP_FINAL_ITEM) {
- if ($row_zero['item_type'] == TOOL_QUIZ) {
- $row_zero['title'] = Exercise::get_formated_title_variable($row_zero['title']);
- }
- $js_var = json_encode(get_lang('After').' '.$row_zero['title']);
- $return .= 'child_name[0][' . $i . '] = '.$js_var.' ;' . "\n";
- $return .= 'child_value[0][' . $i++ . '] = "' . $row_zero['id'] . '";' . "\n";
- }
- }
- $return .= "\n";
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND lp_id = " . $this->lp_id;
- $res = Database::query($sql);
- while ($row = Database :: fetch_array($res)) {
- $sql_parent = "SELECT * FROM " . $tbl_lp_item . "
- WHERE
- c_id = ".$course_id." AND
- parent_item_id = " . $row['id'] . "
- ORDER BY display_order ASC";
- $res_parent = Database::query($sql_parent);
- $i = 0;
- $return .= 'child_name[' . $row['id'] . '] = new Array();' . "\n";
- $return .= 'child_value[' . $row['id'] . '] = new Array();' . "\n\n";
- while ($row_parent = Database :: fetch_array($res_parent)) {
- $js_var = json_encode(get_lang('After').' '.$row_parent['title']);
- $return .= 'child_name[' . $row['id'] . '][' . $i . '] = '.$js_var.' ;' . "\n";
- $return .= 'child_value[' . $row['id'] . '][' . $i++ . '] = "' . $row_parent['id'] . '";' . "\n";
- }
- $return .= "\n";
- }
- return $return;
- }
- /**
- * Display the form to allow moving an item
- * @param integer Item ID
- * @return string HTML form
- */
- public function display_move_item($item_id)
- {
- $course_id = api_get_course_int_id();
- $return = '';
- if (is_numeric($item_id)) {
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $sql = "SELECT * FROM " . $tbl_lp_item . "
- WHERE c_id = ".$course_id." AND id = " . $item_id;
- $res = Database::query($sql);
- $row = Database :: fetch_array($res);
- switch ($row['item_type']) {
- case 'dokeos_chapter' :
- case 'dir' :
- case 'asset' :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], get_lang('MoveCurrentChapter'), 'move', $item_id, $row);
- break;
- case 'dokeos_module' :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_item_form($row['item_type'], 'Move th current module:', 'move', $item_id, $row);
- break;
- case TOOL_DOCUMENT :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_document_form('move', $item_id, $row);
- break;
- case TOOL_LINK :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
- break;
- case TOOL_HOTPOTATOES :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_link_form('move', $item_id, $row);
- break;
- case TOOL_QUIZ :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_quiz_form('move', $item_id, $row);
- break;
- case TOOL_STUDENTPUBLICATION :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_student_publication_form('move', $item_id, $row);
- break;
- case TOOL_FORUM :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('move', $item_id, $row);
- break;
- case TOOL_THREAD :
- $return .= $this->display_manipulate($item_id, $row['item_type']);
- $return .= $this->display_forum_form('move', $item_id, $row);
- break;
- }
- }
- return $return;
- }
- /**
- * Displays a basic form on the overview page for changing the item title and the item description.
- * @param string $item_type
- * @param string $title
- * @param array $data
- * @return string
- */
- public function display_item_small_form($item_type, $title = '', $data = array())
- {
- $url = api_get_self() . '?' .api_get_cidreq().'&action=edit_item&lp_id='.$this->lp_id;
- $form = new FormValidator('small_form', 'post', $url);
- $form->addElement('header', $title);
- $form->addElement('text', 'title', get_lang('Title'));
- $form->addButtonSave(get_lang('Save'), 'submit_button');
- $form->addElement('hidden', 'id', $data['id']);
- $form->addElement('hidden', 'parent', $data['parent_item_id']);
- $form->addElement('hidden', 'previous', $data['previous_item_id']);
- $form->setDefaults(array('title' => $data['title']));
- return $form->toHtml();
- }
- /**
- * Return HTML form to allow prerequisites selection
- * @todo use FormValidator
- * @param integer Item ID
- * @return string HTML form
- */
- public function display_item_prerequisites_form($item_id)
- {
- $course_id = api_get_course_int_id();
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $item_id = intval($item_id);
- /* Current prerequisite */
- $sql = "SELECT * FROM $tbl_lp_item
- WHERE c_id = $course_id AND id = " . $item_id;
- $result = Database::query($sql);
- $row = Database::fetch_array($result);
- $prerequisiteId = $row['prerequisite'];
- $return = '<legend>';
- $return .= get_lang('AddEditPrerequisites');
- $return .= '</legend>';
- $return .= '<form method="POST">';
- $return .= '<table class="data_table">';
- $return .= '<tr>';
- $return .= '<th height="24">' . get_lang('LearnpathPrerequisites') . '</th>';
- $return .= '<th width="70" >' . get_lang('Minimum') . '</th>';
- $return .= '<th width="70">' . get_lang('Maximum') . '</th>';
- $return .= '</tr>';
- // Adding the none option to the prerequisites see http://www.chamilo.org/es/node/146
- $return .= '<tr >';
- $return .= '<td colspan="3" class="radio">';
- $return .= '<input checked="checked" id="idNone" name="prerequisites" style="margin-left:0px; margin-right:10px;" type="radio" />';
- $return .= '<label for="idNone">' . get_lang('None') . '</label>';
- $return .= '</tr>';
- $sql = "SELECT * FROM $tbl_lp_item
- WHERE c_id = $course_id AND lp_id = " . $this->lp_id;
- $result = Database::query($sql);
- $arrLP = array();
- $selectedMinScore = array();
- $selectedMaxScore = array();
- while ($row = Database :: fetch_array($result)) {
- if ($row['id'] == $item_id) {
- $selectedMinScore[$row['prerequisite']] = $row['prerequisite_min_score'];
- $selectedMaxScore[$row['prerequisite']] = $row['prerequisite_max_score'];
- }
- $arrLP[] = array(
- 'id' => $row['id'],
- 'item_type' => $row['item_type'],
- 'title' => $row['title'],
- 'ref' => $row['ref'],
- 'description' => $row['description'],
- 'parent_item_id' => $row['parent_item_id'],
- 'previous_item_id' => $row['previous_item_id'],
- 'next_item_id' => $row['next_item_id'],
- 'max_score' => $row['max_score'],
- 'min_score' => $row['min_score'],
- 'mastery_score' => $row['mastery_score'],
- 'prerequisite' => $row['prerequisite'],
- 'next_item_id' => $row['next_item_id'],
- 'display_order' => $row['display_order'],
- 'prerequisite_min_score' => $row['prerequisite_min_score'],
- 'prerequisite_max_score' => $row['prerequisite_max_score'],
- );
- }
- $this->tree_array($arrLP);
- $arrLP = isset($this->arrMenu) ? $this->arrMenu : null;
- unset($this->arrMenu);
- for ($i = 0; $i < count($arrLP); $i++) {
- $item = $arrLP[$i];
- if ($item['id'] == $item_id) {
- break;
- }
- $selectedMaxScoreValue = isset($selectedMaxScore[$item['id']]) ? $selectedMaxScore[$item['id']] : $item['max_score'];
- $selectedMinScoreValue = isset($selectedMinScore[$item['id']]) ? $selectedMinScore[$item['id']]: 0;
- $return .= '<tr>';
- $return .= '<td class="radio"' . (($item['item_type'] != TOOL_QUIZ && $item['item_type'] != TOOL_HOTPOTATOES) ? ' colspan="3"' : '') . '>';
- $return .= '<label for="id' . $item['id'] . '">';
- $return .= '<input' . (in_array($prerequisiteId, array($item['id'], $item['ref'])) ? ' checked="checked" ' : '') . (($item['item_type'] == 'dokeos_module' || $item['item_type'] == 'dokeos_chapter') ? ' disabled="disabled" ' : ' ') . 'id="id' . $item['id'] . '" name="prerequisites" style="margin-left:' . $item['depth'] * 10 . 'px; margin-right:10px;" type="radio" value="' . $item['id'] . '" />';
- $icon_name = str_replace(' ', '', $item['item_type']);
- if (file_exists('../img/lp_' . $icon_name . '.png')) {
- $return .= Display::return_icon('lp_' . $icon_name . '.png');
- } else {
- if (file_exists('../img/lp_' . $icon_name . '.gif')) {
- $return .= Display::return_icon('lp_' . $icon_name . '.gif');
- } else {
- $return .= Display::return_icon('folder_document.gif', '', array('style'=>'margin-right:5px;'));
- }
- }
- $return .= $item['title'] . '</label>';
- $return .= '</td>';
- if ($item['item_type'] == TOOL_QUIZ) {
- // lets update max_score Quiz information depending of the Quiz Advanced properties
- $tmp_obj_lp_item = new LpItem($course_id, $item['id']);
- $tmp_obj_exercice = new Exercise();
- $tmp_obj_exercice->read($tmp_obj_lp_item->path);
- $tmp_obj_lp_item->max_score = $tmp_obj_exercice->get_max_score();
- $tmp_obj_lp_item->update_in_bdd();
- $item['max_score'] = $tmp_obj_lp_item->max_score;
- $return .= '<td class="exercise">';
- $return .= '<input size="4" maxlength="3" name="min_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMinScoreValue. '" />';
- $return .= '</td>';
- $return .= '<td class="exercise">';
- $return .= '<input size="4" maxlength="3" name="max_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMaxScoreValue . '" />';
- $return .= '</td>';
- }
- if ($item['item_type'] == TOOL_HOTPOTATOES) {
- $return .= '<td class="exercise">';
- $return .= '<center><input size="4" maxlength="3" name="min_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="' . $selectedMinScoreValue . '" /></center>';
- $return .= '</td>';
- $return .= '<td class="exercise"">';
- $return .= '<center><input size="4" maxlength="3" name="max_' . $item['id'] . '" type="number" min="0" step="any" max="'.$item['max_score'].'" value="'.$selectedMaxScoreValue . '" /></center>';
- $return .= '</td>';
- }
- $return .= '</tr>';
- }
- $return .= '<tr>';
- $return .= '</tr>';
- $return .= '</table>';
- $return .= '<div style="padding-top:3px;">';
- $return .= '<button class="btn btn-primary" name="submit_button" type="submit">' . get_lang('ModifyPrerequisites') . '</button>';
- $return .= '</form>';
- return $return;
- }
- /**
- * Return HTML list to allow prerequisites selection for lp
- * @param integer Item ID
- * @return string HTML form
- */
- public function display_lp_prerequisites_list()
- {
- $course_id = api_get_course_int_id();
- $lp_id = $this->lp_id;
- $tbl_lp = Database :: get_course_table(TABLE_LP_MAIN);
- // get current prerequisite
- $sql = "SELECT * FROM $tbl_lp WHERE c_id = $course_id AND id = $lp_id ";
- $result = Database::query($sql);
- $row = Database :: fetch_array($result);
- $prerequisiteId = $row['prerequisite'];
- $session_id = api_get_session_id();
- $session_condition = api_get_session_condition($session_id, true, true);
- $sql = "SELECT * FROM $tbl_lp
- WHERE c_id = $course_id $session_condition
- ORDER BY display_order ";
- $rs = Database::query($sql);
- $return = '';
- $return .= '<select name="prerequisites" class="form-control">';
- $return .= '<option value="0">'.get_lang('None').'</option>';
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs)) {
- if ($row['id'] == $lp_id) {
- continue;
- }
- $return .= '<option value="'.$row['id'].'" '.(($row['id']==$prerequisiteId)?' selected ' : '').'>'.$row['name'].'</option>';
- }
- }
- $return .= '</select>';
- return $return;
- }
- /**
- * Creates a list with all the documents in it
- * @param bool $showInvisibleFiles
- * @return string
- */
- public function get_documents($showInvisibleFiles = false)
- {
- $course_info = api_get_course_info();
- $sessionId = api_get_session_id();
- $document_tree = DocumentManager::get_document_preview(
- $course_info,
- $this->lp_id,
- null,
- $sessionId,
- true,
- null,
- null,
- $showInvisibleFiles,
- true
- );
- return $document_tree;
- }
- /**
- * Creates a list with all the exercises (quiz) in it
- * @return string
- */
- public function get_exercises()
- {
- $course_id = api_get_course_int_id();
- $session_id = api_get_session_id();
- $userInfo = api_get_user_info();
- // New for hotpotatoes.
- $uploadPath = DIR_HOTPOTATOES; //defined in main_api
- $tbl_doc = Database :: get_course_table(TABLE_DOCUMENT);
- $tbl_quiz = Database :: get_course_table(TABLE_QUIZ_TEST);
- $condition_session = api_get_session_condition($session_id, true, true);
- $setting = api_get_configuration_value('show_invisible_exercise_in_lp_list');
- $activeCondition = " active <> -1 ";
- if ($setting) {
- $activeCondition = " active = 1 ";
- }
- $sql_quiz = "SELECT * FROM $tbl_quiz
- WHERE c_id = $course_id AND $activeCondition $condition_session
- ORDER BY title ASC";
- $sql_hot = "SELECT * FROM $tbl_doc
- WHERE c_id = $course_id AND path LIKE '" . $uploadPath . "/%/%htm%' $condition_session
- ORDER BY id ASC";
- $res_quiz = Database::query($sql_quiz);
- $res_hot = Database::query($sql_hot);
- $return = '<ul class="lp_resource">';
- $return .= '<li class="lp_resource_element">';
- $return .= Display::return_icon('new_test_small.gif');
- $return .= '<a href="' . api_get_path(WEB_CODE_PATH) . 'exercice/exercise_admin.php?'.api_get_cidreq().'&lp_id=' . $this->lp_id . '">' .
- get_lang('NewExercise') . '</a>';
- $return .= '</li>';
- // Display hotpotatoes
- while ($row_hot = Database :: fetch_array($res_hot)) {
- $return .= '<li class="lp_resource_element" data_id="'.$row_hot['id'].'" data_type="hotpotatoes" title="'.$row_hot['title'].'" >';
- $return .= '<a class="moved" href="#">';
- $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $return .= '</a> ';
- $return .= Display::return_icon('hotpotatoes_s.png');
- $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq().'&action=add_item&type=' . TOOL_HOTPOTATOES . '&file=' . $row_hot['id'] . '&lp_id=' . $this->lp_id . '">'.
- ((!empty ($row_hot['comment'])) ? $row_hot['comment'] : Security :: remove_XSS($row_hot['title'])) . '</a>';
- $return .= '</li>';
- }
- while ($row_quiz = Database :: fetch_array($res_quiz)) {
- $return .= '<li class="lp_resource_element" data_id="'.$row_quiz['id'].'" data_type="quiz" title="'.$row_quiz['title'].'" >';
- $return .= '<a class="moved" href="#">';
- $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $return .= '</a> ';
- $return .= Display::return_icon('quizz_small.gif', '', array(), ICON_SIZE_TINY);
- $sessionStar = api_get_session_image($row_quiz['session_id'], $userInfo['status']);
- $return .= '<a href="' . api_get_self() . '?'.api_get_cidreq().'&action=add_item&type=' . TOOL_QUIZ . '&file=' . $row_quiz['id'] . '&lp_id=' . $this->lp_id . '">' .
- Security :: remove_XSS(cut($row_quiz['title'], 80)).$sessionStar.
- '</a>';
- $return .= '</li>';
- }
- $return .= '</ul>';
- return $return;
- }
- /**
- * Creates a list with all the links in it
- * @return string
- */
- public function get_links()
- {
- $selfUrl = api_get_self();
- $courseIdReq = api_get_cidreq();
- $course = api_get_course_info();
- $userInfo = api_get_user_info();
-
- $course_id = $course['real_id'];
- $tbl_link = Database::get_course_table(TABLE_LINK);
- $linkCategoryTable = Database::get_course_table(TABLE_LINK_CATEGORY);
- $moveEverywhereIcon = Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $session_id = api_get_session_id();
- $condition_session = api_get_session_condition(
- $session_id,
- true,
- true,
- "link.session_id"
- );
- $sql = "SELECT link.id as link_id,
- link.title as link_title,
- link.session_id as link_session_id,
- link.category_id as category_id,
- link_category.category_title as category_title
- FROM $tbl_link as link
- LEFT JOIN $linkCategoryTable as link_category
- ON (link.category_id = link_category.id AND link.c_id = link_category.c_id)
- WHERE link.c_id = ".$course_id." $condition_session
- ORDER BY link_category.category_title ASC, link.title ASC";
- $links = Database::query($sql);
- $categorizedLinks = array();
- $categories = array();
- while ($link = Database :: fetch_array($links)) {
- if (!$link['category_id']) {
- $link['category_title'] = get_lang('Uncategorized');
- }
- $categories[$link['category_id']] = $link['category_title'];
- $categorizedLinks[$link['category_id']][$link['link_id']] = $link;
- }
- $linksHtmlCode =
- '<script>
- function toggle_tool(tool, id){
- if(document.getElementById(tool+"_"+id+"_content").style.display == "none"){
- document.getElementById(tool+"_"+id+"_content").style.display = "block";
- document.getElementById(tool+"_"+id+"_opener").src = "' . Display::returnIconPath('remove.gif').'";
- } else {
- document.getElementById(tool+"_"+id+"_content").style.display = "none";
- document.getElementById(tool+"_"+id+"_opener").src = "'.Display::returnIconPath('add.gif').'";
- }
- }
- </script>
- <ul class="lp_resource">
- <li class="lp_resource_element">
- '.Display::return_icon('linksnew.gif').'
- <a href="'.api_get_path(WEB_CODE_PATH).'link/link.php?'.$courseIdReq.'&action=addlink&lp_id='.$this->lp_id.'" title="'.get_lang('LinkAdd').'">'.
- get_lang('LinkAdd').'
- </a>
- </li>';
- foreach ($categorizedLinks as $categoryId => $links) {
- $linkNodes = null;
- foreach ($links as $key => $linkInfo) {
- $title = $linkInfo['link_title'];
- $linkSessionId = $linkInfo['link_session_id'];
- if (api_get_item_visibility($course, TOOL_LINK, $key, $session_id) != 2) {
- $sessionStar = api_get_session_image($linkSessionId, $userInfo['status']);
- $linkNodes .=
- '<li class="lp_resource_element" data_id="'.$key.'" data_type="'.TOOL_LINK.'" title="'.$title.'" >
- <a class="moved" href="#">'.
- $moveEverywhereIcon.
- '</a>
- '.Display::return_icon('lp_link.png').'
- <a href="'.$selfUrl.'?'.$courseIdReq.'&action=add_item&type='.
- TOOL_LINK.'&file='.$key.'&lp_id='.$this->lp_id.'">'.
- Security::remove_XSS($title).$sessionStar.
- '</a>
- </li>';
- }
- }
- $linksHtmlCode .=
- '<li>
- <a style="cursor:hand" onclick="javascript: toggle_tool(\''.TOOL_LINK.'\','.$categoryId.')" style="vertical-align:middle">
- <img src="'.Display::returnIconPath('add.gif').'" id="'.TOOL_LINK.'_'.$categoryId.'_opener"
- align="absbottom" />
- </a>
- <span style="vertical-align:middle">'.Security::remove_XSS($categories[$categoryId]).'</span>
- </li>
- <div style="display:none" id="'.TOOL_LINK.'_'.$categoryId.'_content">'.$linkNodes.'</div>';
- }
- $linksHtmlCode .= '</ul>';
- return $linksHtmlCode;
- }
- /**
- * Creates a list with all the student publications in it
- * @return unknown
- */
- public function get_student_publications()
- {
- $return = '<div class="lp_resource" >';
- $return .= '<div class="lp_resource_element">';
- $return .= Display::return_icon('works_small.gif', '', array(), ICON_SIZE_TINY);
- $return .= '<a href="' . api_get_self() . '?' . api_get_cidreq() . '&action=add_item&type=' . TOOL_STUDENTPUBLICATION . '&lp_id=' . $this->lp_id . '">' . get_lang('AddAssignmentPage') . '</a>';
- $return .= '</div>';
- $return .= '</div>';
- return $return;
- }
- /**
- * Creates a list with all the forums in it
- * @return string
- */
- public function get_forums()
- {
- require_once '../forum/forumfunction.inc.php';
- require_once '../forum/forumconfig.inc.php';
- $forumCategories = get_forum_categories();
- $forumsInNoCategory = get_forums_in_category(0);
- if (!empty($forumsInNoCategory)) {
- $forumCategories = array_merge(
- $forumCategories,
- array(
- array(
- 'cat_id' => 0,
- 'session_id' => 0,
- 'visibility' => 1,
- 'cat_comment' => null,
- ),
- )
- );
- }
- $forumList = get_forums();
- $a_forums = [];
- foreach ($forumCategories as $forumCategory) {
- // The forums in this category.
- $forumsInCategory = get_forums_in_category($forumCategory['cat_id']);
- if (!empty($forumsInCategory)) {
- foreach ($forumList as $forum) {
- if (isset($forum['forum_category']) && $forum['forum_category'] == $forumCategory['cat_id']) {
- $a_forums[] = $forum;
- }
- }
- }
- }
- $return = '<ul class="lp_resource">';
- //First add link
- $return .= '<li class="lp_resource_element">';
- $return .= Display::return_icon('forum_new_small.gif');
- $return .= Display::url(
- get_lang('CreateANewForum'),
- api_get_path(WEB_CODE_PATH) . 'forum/index.php?' . api_get_cidreq() . '&' . http_build_query([
- 'action' => 'add',
- 'content' => 'forum',
- 'lp_id' => $this->lp_id
- ]),
- ['title' => get_lang('CreateANewForum')]
- );
- $return .= '</li>';
- $return .= '<script>
- function toggle_forum(forum_id){
- if(document.getElementById("forum_"+forum_id+"_content").style.display == "none"){
- document.getElementById("forum_"+forum_id+"_content").style.display = "block";
- document.getElementById("forum_"+forum_id+"_opener").src = "' . Display::returnIconPath('remove.gif').'";
- } else {
- document.getElementById("forum_"+forum_id+"_content").style.display = "none";
- document.getElementById("forum_"+forum_id+"_opener").src = "' . Display::returnIconPath('add.gif').'";
- }
- }
- </script>';
- foreach ($a_forums as $forum) {
- if (!empty($forum['forum_id'])) {
- $return .= '<li class="lp_resource_element" data_id="'.$forum['forum_id'].'" data_type="'.TOOL_FORUM.'" title="'.$forum['forum_title'].'" >';
- $return .= '<a class="moved" href="#">';
- $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $return .= ' </a>';
- $return .= Display::return_icon('lp_forum.png', '', array(), ICON_SIZE_TINY);
- $return .= '<a style="cursor:hand" onclick="javascript: toggle_forum(' . $forum['forum_id'] . ')" style="vertical-align:middle">
- <img src="' . Display::returnIconPath('add.gif').'" id="forum_' . $forum['forum_id'] . '_opener" align="absbottom" />
- </a>
- <a href="' . api_get_self() . '?'.api_get_cidreq().'&action=add_item&type=' . TOOL_FORUM . '&forum_id=' . $forum['forum_id'] . '&lp_id=' . $this->lp_id . '" style="vertical-align:middle">' .
- Security :: remove_XSS($forum['forum_title']) . '</a>';
- $return .= '</li>';
- $return .= '<div style="display:none" id="forum_' . $forum['forum_id'] . '_content">';
- $a_threads = get_threads($forum['forum_id']);
- if (is_array($a_threads)) {
- foreach ($a_threads as $thread) {
- $return .= '<li class="lp_resource_element" data_id="'.$thread['thread_id'].'" data_type="'.TOOL_THREAD.'" title="'.$thread['thread_title'].'" >';
- $return .= ' <a class="moved" href="#">';
- $return .= Display::return_icon('move_everywhere.png', get_lang('Move'), array(), ICON_SIZE_TINY);
- $return .= ' </a>';
- $return .= Display::return_icon('forumthread.png', get_lang('Thread'), array(), ICON_SIZE_TINY);
- $return .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=add_item&type=' . TOOL_THREAD . '&thread_id=' . $thread['thread_id'] . '&lp_id=' . $this->lp_id . '">' .
- Security :: remove_XSS($thread['thread_title']) . '</a>';
- $return .= '</li>';
- }
- }
- $return .= '</div>';
- }
- }
- $return .= '</ul>';
- return $return;
- }
- /**
- * // TODO: The output encoding should be equal to the system encoding.
- *
- * Exports the learning path as a SCORM package. This is the main function that
- * gathers the content, transforms it, writes the imsmanifest.xml file, zips the
- * whole thing and returns the zip.
- *
- * This method needs to be called in PHP5, as it will fail with non-adequate
- * XML package (like the ones for PHP4), and it is *not* a static method, so
- * you need to call it on a learnpath object.
- * @TODO The method might be redefined later on in the scorm class itself to avoid
- * creating a SCORM structure if there is one already. However, if the initial SCORM
- * path has been modified, it should use the generic method here below.
- * @TODO link this function with the export_lp() function in the same class
- * @param string Optional name of zip file. If none, title of learnpath is
- * domesticated and trailed with ".zip"
- * @return string Returns the zip package string, or null if error
- */
- public function scorm_export()
- {
- $_course = api_get_course_info();
- $course_id = $_course['real_id'];
- // Remove memory and time limits as much as possible as this might be a long process...
- if (function_exists('ini_set')) {
- api_set_memory_limit('128M');
- ini_set('max_execution_time', 600);
- }
- // Create the zip handler (this will remain available throughout the method).
- $archive_path = api_get_path(SYS_ARCHIVE_PATH);
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $temp_dir_short = uniqid();
- $temp_zip_dir = $archive_path.'/'.$temp_dir_short;
- $temp_zip_file = $temp_zip_dir.'/'.md5(time()).'.zip';
- $zip_folder = new PclZip($temp_zip_file);
- $current_course_path = api_get_path(SYS_COURSE_PATH).api_get_course_path();
- $root_path = $main_path = api_get_path(SYS_PATH);
- $files_cleanup = array();
- // Place to temporarily stash the zip file.
- // create the temp dir if it doesn't exist
- // or do a cleanup before creating the zip file.
- if (!is_dir($temp_zip_dir)) {
- mkdir($temp_zip_dir, api_get_permissions_for_new_directories());
- } else {
- // Cleanup: Check the temp dir for old files and delete them.
- $handle = opendir($temp_zip_dir);
- while (false !== ($file = readdir($handle))) {
- if ($file != '.' && $file != '..') {
- unlink("$temp_zip_dir/$file");
- }
- }
- closedir($handle);
- }
- $zip_files = $zip_files_abs = $zip_files_dist = array();
- if (is_dir($current_course_path.'/scorm/'.$this->path) && is_file($current_course_path.'/scorm/'.$this->path.'/imsmanifest.xml')) {
- // Remove the possible . at the end of the path.
- $dest_path_to_lp = substr($this->path, -1) == '.' ? substr($this->path, 0, -1) : $this->path;
- $dest_path_to_scorm_folder = str_replace('//','/',$temp_zip_dir.'/scorm/'.$dest_path_to_lp);
- mkdir($dest_path_to_scorm_folder, api_get_permissions_for_new_directories(), true);
- copyr(
- $current_course_path.'/scorm/'.$this->path,
- $dest_path_to_scorm_folder,
- array('imsmanifest'),
- $zip_files
- );
- }
- // Build a dummy imsmanifest structure.
- // Do not add to the zip yet (we still need it).
- // This structure is developed following regulations for SCORM 1.2 packaging in the SCORM 1.2 Content
- // Aggregation Model official document, section "2.3 Content Packaging".
- // We are going to build a UTF-8 encoded manifest. Later we will recode it to the desired (and supported) encoding.
- $xmldoc = new DOMDocument('1.0');
- $root = $xmldoc->createElement('manifest');
- $root->setAttribute('identifier', 'SingleCourseManifest');
- $root->setAttribute('version', '1.1');
- $root->setAttribute('xmlns', 'http://www.imsproject.org/xsd/imscp_rootv1p1p2');
- $root->setAttribute('xmlns:adlcp', 'http://www.adlnet.org/xsd/adlcp_rootv1p2');
- $root->setAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');
- $root->setAttribute('xsi:schemaLocation', 'http://www.imsproject.org/xsd/imscp_rootv1p1p2 imscp_rootv1p1p2.xsd http://www.imsglobal.org/xsd/imsmd_rootv1p2p1 imsmd_rootv1p2p1.xsd http://www.adlnet.org/xsd/adlcp_rootv1p2 adlcp_rootv1p2.xsd');
- // Build mandatory sub-root container elements.
- $metadata = $xmldoc->createElement('metadata');
- $md_schema = $xmldoc->createElement('schema', 'ADL SCORM');
- $metadata->appendChild($md_schema);
- $md_schemaversion = $xmldoc->createElement('schemaversion', '1.2');
- $metadata->appendChild($md_schemaversion);
- $root->appendChild($metadata);
- $organizations = $xmldoc->createElement('organizations');
- $resources = $xmldoc->createElement('resources');
- // Build the only organization we will use in building our learnpaths.
- $organizations->setAttribute('default', 'chamilo_scorm_export');
- $organization = $xmldoc->createElement('organization');
- $organization->setAttribute('identifier', 'chamilo_scorm_export');
- // To set the title of the SCORM entity (=organization), we take the name given
- // in Chamilo and convert it to HTML entities using the Chamilo charset (not the
- // learning path charset) as it is the encoding that defines how it is stored
- // in the database. Then we convert it to HTML entities again as the "&" character
- // alone is not authorized in XML (must be &).
- // The title is then decoded twice when extracting (see scorm::parse_manifest).
- $org_title = $xmldoc->createElement('title', api_utf8_encode($this->get_name()));
- $organization->appendChild($org_title);
- $folder_name = 'document';
- // Removes the learning_path/scorm_folder path when exporting see #4841
- $path_to_remove = null;
- $result = $this->generate_lp_folder($_course);
- $path_to_replace = '';
- if (isset($result['dir']) && strpos($result['dir'], 'learning_path')) {
- $path_to_remove = 'document'.$result['dir'];
- $path_to_replace = $folder_name.'/';
- }
- //Fixes chamilo scorm exports
- if ($this->ref == 'chamilo_scorm_export') {
- $path_to_remove = 'scorm/'.$this->path.'/document/';
- }
- // For each element, add it to the imsmanifest structure, then add it to the zip.
- // Always call the learnpathItem->scorm_export() method to change it to the SCORM format.
- $link_updates = array();
- $links_to_create = array();
- foreach ($this->items as $index => $item) {
- if (!in_array($item->type, array(TOOL_QUIZ, TOOL_FORUM, TOOL_THREAD, TOOL_LINK, TOOL_STUDENTPUBLICATION))) {
- // Get included documents from this item.
- if ($item->type === 'sco') {
- $inc_docs = $item->get_resources_from_source(
- null,
- api_get_path(SYS_COURSE_PATH) . api_get_course_path() . '/' . 'scorm/' . $this->path . '/' . $item->get_path()
- );
- } else {
- $inc_docs = $item->get_resources_from_source();
- }
- // Give a child element <item> to the <organization> element.
- $my_item_id = $item->get_id();
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier', 'ITEM_'.$my_item_id);
- $my_item->setAttribute('identifierref', 'RESOURCE_'.$my_item_id);
- $my_item->setAttribute('isvisible', 'true');
- // Give a child element <title> to the <item> element.
- $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
- $my_item->appendChild($my_title);
- // Give a child element <adlcp:prerequisites> to the <item> element.
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $this->get_scorm_prereq_string($my_item_id));
- $my_prereqs->setAttribute('type', 'aicc_script');
- $my_item->appendChild($my_prereqs);
- // Give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:maxtimeallowed','');
- // Give a child element <adlcp:timelimitaction> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:timelimitaction','');
- // Give a child element <adlcp:datafromlms> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:datafromlms','');
- // Give a child element <adlcp:masteryscore> to the <item> element.
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
- $my_item->appendChild($my_masteryscore);
- // Attach this item to the organization element or hits parent if there is one.
- if (!empty($item->parent) && $item->parent != 0) {
- $children = $organization->childNodes;
- $possible_parent = $this->get_scorm_xml_node($children, 'ITEM_'.$item->parent);
- if (is_object($possible_parent)) {
- $possible_parent->appendChild($my_item);
- } else {
- if ($this->debug > 0) { error_log('Parent ITEM_'.$item->parent.' of item ITEM_'.$my_item_id.' not found'); }
- }
- } else {
- if ($this->debug > 0) { error_log('No parent'); }
- $organization->appendChild($my_item);
- }
- // Get the path of the file(s) from the course directory root.
- $my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
- if (!empty($path_to_remove)) {
- //From docs
- $my_xml_file_path = str_replace($path_to_remove, $path_to_replace, $my_file_path);
- //From quiz
- if ($this->ref == 'chamilo_scorm_export') {
- $path_to_remove = 'scorm/'.$this->path.'/';
- $my_xml_file_path = str_replace($path_to_remove, '', $my_file_path);
- }
- } else {
- $my_xml_file_path = $my_file_path;
- }
- $my_sub_dir = dirname($my_file_path);
- $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
- $my_xml_sub_dir = $my_sub_dir;
- // Give a <resource> child to the <resources> element
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type', 'webcontent');
- $my_resource->setAttribute('href', $my_xml_file_path);
- // adlcp:scormtype can be either 'sco' or 'asset'.
- if ($item->type === 'sco') {
- $my_resource->setAttribute('adlcp:scormtype', 'sco');
- } else {
- $my_resource->setAttribute('adlcp:scormtype', 'asset');
- }
- // xml:base is the base directory to find the files declared in this resource.
- $my_resource->setAttribute('xml:base', '');
- // Give a <file> child to the <resource> element.
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href', $my_xml_file_path);
- $my_resource->appendChild($my_file);
- // Dependency to other files - not yet supported.
- $i = 1;
- foreach ($inc_docs as $doc_info) {
- if (count($doc_info) < 1 || empty($doc_info[0])) {
- continue;
- }
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier', $res_id);
- $my_dep->setAttribute('type', 'webcontent');
- $my_dep->setAttribute('adlcp:scormtype', 'asset');
- $my_dep_file = $xmldoc->createElement('file');
- // Check type of URL.
- //error_log(__LINE__.'Now dealing with '.$doc_info[0].' of type '.$doc_info[1].'-'.$doc_info[2], 0);
- if ($doc_info[1] == 'remote') {
- // Remote file. Save url as is.
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', '');
- } elseif ($doc_info[1] === 'local') {
- switch ($doc_info[2]) {
- case 'url': // Local URL - save path as url for now, don't zip file.
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH), '', $doc_info[0]);
- $current_dir = dirname($abs_path);
- $current_dir = str_replace('\\', '/', $current_dir);
- $file_path = realpath($abs_path);
- $file_path = str_replace('\\', '/', $file_path);
- $my_dep_file->setAttribute('href', $file_path);
- $my_dep->setAttribute('xml:base', '');
- if (strstr($file_path, $main_path) !== false) {
- // The calculated real path is really inside Chamilo's root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path) - 1);
- //echo $file_path;echo '<br /><br />';
- //error_log(__LINE__.'Reduced url path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', $file_path);
- $my_dep->setAttribute('xml:base', '');
- } elseif (empty($file_path)) {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
- if (strpos($document_root, -1) == '/') {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//', '/', $file_path);
- if (file_exists($file_path)) {
- $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', $file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- }
- break;
- case 'abs': // Absolute path from DocumentRoot. Save file and leave path as is in the zip.
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', '');
- // The next lines fix a bug when using the "subdir" mode of Chamilo, whereas
- // an image path would be constructed as /var/www/subdir/subdir/img/foo.bar
- $abs_img_path_without_subdir = $doc_info[0];
- $relp = api_get_path(REL_PATH); // The url-append config param.
- $pos = strpos($abs_img_path_without_subdir, $relp);
- if ($pos === 0) {
- $abs_img_path_without_subdir = '/'.substr($abs_img_path_without_subdir, strlen($relp));
- }
- //$file_path = realpath(api_get_path(SYS_PATH).$abs_img_path_without_subdir);
- $file_path = realpath(api_get_path(SYS_APP_PATH).$abs_img_path_without_subdir);
- $file_path = str_replace('\\', '/', $file_path);
- $file_path = str_replace('//', '/', $file_path);
- // Prepare the current directory path (until just under 'document') with a trailing slash.
- $cur_path = substr($current_course_path, -1) == '/' ? $current_course_path : $current_course_path.'/';
- // Check if the current document is in that path.
- if (strstr($file_path, $cur_path) !== false) {
- // The document is in that path, now get the relative path
- // to the containing document.
- $orig_file_path = dirname($cur_path.$my_file_path).'/';
- $orig_file_path = str_replace('\\', '/', $orig_file_path);
- $relative_path = '';
- // Image/src file is inside a course
- $fixDirRelative = '';
- // image file is inside a course
- if (strstr($file_path, $cur_path) !== false) {
- // html file that wraps the image is inside a course
- if (strstr($orig_file_path, $cur_path) !== false) {
- // Get count of directories from document until the last slash
- // if $orig_file_path =
- // /var/www/html/chamilo/app/courses/CLEAN123/document/learning_path/Le_parcours/
- // $distance should be 2 (learning_path and Le_parcours)
- $origFilePathFixed = str_replace($path_to_remove, $path_to_replace, $orig_file_path);
- $distance = array_filter(explode('/', str_replace($cur_path.'document/', '', $origFilePathFixed)));
- if ($distance) {
- foreach ($distance as $relative) {
- $fixDirRelative .= '../';
- }
- }
- }
- $relative_path = str_replace($cur_path, '', $file_path);
- $file_path = substr($file_path, strlen($cur_path));
- if (!empty($fixDirRelative)) {
- $relative_path = $fixDirRelative.$relative_path;
- }
- } else {
- // This case is still a problem as it's difficult to calculate a relative path easily
- // might still generate wrong links.
- //$file_path = substr($file_path,strlen($cur_path));
- // Calculate the directory path to the current file (without trailing slash).
- $my_relative_path = dirname($file_path);
- $my_relative_path = str_replace('\\', '/', $my_relative_path);
- $my_relative_file = basename($file_path);
- // Calculate the directory path to the containing file (without trailing slash).
- $my_orig_file_path = substr($orig_file_path, 0, -1);
- $dotdot = '';
- $subdir = '';
- while (strstr($my_relative_path, $my_orig_file_path) === false && (strlen($my_orig_file_path) > 1) && (strlen($my_relative_path) > 1)) {
- $my_relative_path2 = dirname($my_relative_path);
- $my_relative_path2 = str_replace('\\', '/', $my_relative_path2);
- $my_orig_file_path = dirname($my_orig_file_path);
- $my_orig_file_path = str_replace('\\', '/', $my_orig_file_path);
- $subdir = substr($my_relative_path, strlen($my_relative_path2) + 1).'/'.$subdir;
- $dotdot += '../';
- $my_relative_path = $my_relative_path2;
- }
- $relative_path = $dotdot.$subdir.$my_relative_file;
- }
- // Put the current document in the zip (this array is the array
- // that will manage documents already in the course folder - relative).
- $zip_files[] = $file_path;
- // Update the links to the current document in the containing document (make them relative).
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $relative_path);
- $my_dep_file->setAttribute('href', $file_path);
- $my_dep->setAttribute('xml:base', '');
- } elseif (strstr($file_path, $main_path) !== false) {
- // The calculated real path is really inside Chamilo's root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path));
- //echo $file_path;echo '<br /><br />';
- //error_log('Reduced path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- } elseif (empty($file_path)) {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
- if(strpos($document_root,-1) == '/') {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//', '/', $file_path);
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH), '', $doc_info[0]);
- $current_dir = dirname($abs_path);
- $current_dir = str_replace('\\', '/', $current_dir);
- if (file_exists($file_path)) {
- $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href','document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- }
- break;
- case 'rel':
- // Path relative to the current document.
- // Save xml:base as current document's directory and save file in zip as subdir.file_path
- if (substr($doc_info[0], 0, 2) == '..') {
- // Relative path going up.
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $current_dir = str_replace('\\', '/', $current_dir);
- $file_path = realpath($current_dir.$doc_info[0]);
- $file_path = str_replace('\\', '/', $file_path);
- //error_log($file_path.' <-> '.$main_path,0);
- if (strstr($file_path, $main_path) !== false) {
- // The calculated real path is really inside Chamilo's root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path));
- //error_log('Reduced path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- } else {
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', $my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', '');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref', $res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
- } else {
- // If the item is a quiz or a link or whatever non-exportable, we include a step indicating it.
- switch ($item->type) {
- case TOOL_LINK:
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier', 'ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref', 'RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible', 'true');
- // Give a child element <title> to the <item> element.
- $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
- $my_item->appendChild($my_title);
- // Give a child element <adlcp:prerequisites> to the <item> element.
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $item->get_prereq_string());
- $my_prereqs->setAttribute('type', 'aicc_script');
- $my_item->appendChild($my_prereqs);
- // Give a child element <adlcp:maxtimeallowed> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:maxtimeallowed', '');
- // Give a child element <adlcp:timelimitaction> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:timelimitaction', '');
- // Give a child element <adlcp:datafromlms> to the <item> element - not yet supported.
- //$xmldoc->createElement('adlcp:datafromlms', '');
- // Give a child element <adlcp:masteryscore> to the <item> element.
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
- $my_item->appendChild($my_masteryscore);
- // Attach this item to the organization element or its parent if there is one.
- if (!empty($item->parent) && $item->parent != 0) {
- $children = $organization->childNodes;
- for ($i = 0; $i < $children->length; $i++) {
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item') {
- if ($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent) {
- $item_temp -> appendChild($my_item);
- }
- }
- }
- } else {
- $organization->appendChild($my_item);
- }
- $my_file_path = 'link_'.$item->get_id().'.html';
- $sql = 'SELECT url, title FROM '.Database :: get_course_table(TABLE_LINK).'
- WHERE c_id = '.$course_id.' AND id='.$item->path;
- $rs = Database::query($sql);
- if ($link = Database :: fetch_array($rs)) {
- $url = $link['url'];
- $title = stripslashes($link['title']);
- $links_to_create[$my_file_path] = array('title' => $title, 'url' => $url);
- $my_xml_file_path = $my_file_path;
- $my_sub_dir = dirname($my_file_path);
- $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
- $my_xml_sub_dir = $my_sub_dir;
- // Give a <resource> child to the <resources> element.
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type', 'webcontent');
- $my_resource->setAttribute('href', $my_xml_file_path);
- // adlcp:scormtype can be either 'sco' or 'asset'.
- $my_resource->setAttribute('adlcp:scormtype', 'asset');
- // xml:base is the base directory to find the files declared in this resource.
- $my_resource->setAttribute('xml:base', '');
- // give a <file> child to the <resource> element.
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href', $my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
- }
- break;
- case TOOL_QUIZ:
- $exe_id = $item->path; // Should be using ref when everything will be cleaned up in this regard.
- $exe = new Exercise();
- $exe->read($exe_id);
- $my_item = $xmldoc->createElement('item');
- $my_item->setAttribute('identifier', 'ITEM_'.$item->get_id());
- $my_item->setAttribute('identifierref', 'RESOURCE_'.$item->get_id());
- $my_item->setAttribute('isvisible', 'true');
- // Give a child element <title> to the <item> element.
- $my_title = $xmldoc->createElement('title', htmlspecialchars(api_utf8_encode($item->get_title()), ENT_QUOTES, 'UTF-8'));
- $my_item->appendChild($my_title);
- $my_max_score = $xmldoc->createElement('max_score', $item->get_max());
- //$my_item->appendChild($my_max_score);
- // Give a child element <adlcp:prerequisites> to the <item> element.
- $my_prereqs = $xmldoc->createElement('adlcp:prerequisites', $item->get_prereq_string());
- $my_prereqs->setAttribute('type','aicc_script');
- $my_item->appendChild($my_prereqs);
- // Give a child element <adlcp:masteryscore> to the <item> element.
- $my_masteryscore = $xmldoc->createElement('adlcp:masteryscore', $item->get_mastery_score());
- $my_item->appendChild($my_masteryscore);
- // Attach this item to the organization element or hits parent if there is one.
- if (!empty($item->parent) && $item->parent != 0) {
- $children = $organization->childNodes;
- for ($i = 0; $i < $children->length; $i++) {
- $item_temp = $children->item($i);
- if ($item_temp -> nodeName == 'item') {
- if ($item_temp->getAttribute('identifier') == 'ITEM_'.$item->parent) {
- $item_temp -> appendChild($my_item);
- }
- }
- }
- } else {
- $organization->appendChild($my_item);
- }
- // Get the path of the file(s) from the course directory root
- //$my_file_path = $item->get_file_path('scorm/'.$this->path.'/');
- $my_file_path = 'quiz_'.$item->get_id().'.html';
- // Write the contents of the exported exercise into a (big) html file
- // to later pack it into the exported SCORM. The file will be removed afterwards.
- $contents = ScormSection::export_exercise_to_scorm($exe_id, true);
- $tmp_file_path = $archive_path.$temp_dir_short.'/'.$my_file_path;
- $res = file_put_contents($tmp_file_path, $contents);
- if ($res === false) { error_log('Could not write into file '.$tmp_file_path.' '.__FILE__.' '.__LINE__, 0); }
- $files_cleanup[] = $tmp_file_path;
- //error_log($tmp_path); die();
- //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_QUOTES, 'UTF-8');
- $my_xml_file_path = $my_file_path;
- $my_sub_dir = dirname($my_file_path);
- $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
- //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_QUOTES, 'UTF-8');
- $my_xml_sub_dir = $my_sub_dir;
- // Give a <resource> child to the <resources> element.
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type', 'webcontent');
- $my_resource->setAttribute('href', $my_xml_file_path);
- // adlcp:scormtype can be either 'sco' or 'asset'.
- $my_resource->setAttribute('adlcp:scormtype', 'sco');
- // xml:base is the base directory to find the files declared in this resource.
- $my_resource->setAttribute('xml:base', '');
- // Give a <file> child to the <resource> element.
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href', $my_xml_file_path);
- $my_resource->appendChild($my_file);
- // Get included docs.
- $inc_docs = $item->get_resources_from_source(null,$tmp_file_path);
- // Dependency to other files - not yet supported.
- $i = 1;
- foreach ($inc_docs as $doc_info) {
- if (count($doc_info) < 1 || empty($doc_info[0])) { continue; }
- $my_dep = $xmldoc->createElement('resource');
- $res_id = 'RESOURCE_'.$item->get_id().'_'.$i;
- $my_dep->setAttribute('identifier', $res_id);
- $my_dep->setAttribute('type', 'webcontent');
- $my_dep->setAttribute('adlcp:scormtype', 'asset');
- $my_dep_file = $xmldoc->createElement('file');
- // Check type of URL.
- if ($doc_info[1] == 'remote') {
- // Remote file. Save url as is.
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', '');
- } elseif ($doc_info[1] == 'local') {
- switch ($doc_info[2]) {
- case 'url': // Local URL - save path as url for now, don't zip file.
- // Save file but as local file (retrieve from URL).
- $abs_path = api_get_path(SYS_PATH).str_replace(api_get_path(WEB_PATH), '', $doc_info[0]);
- $current_dir = dirname($abs_path);
- $current_dir = str_replace('\\', '/', $current_dir);
- $file_path = realpath($abs_path);
- $file_path = str_replace('\\', '/', $file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- if (strstr($file_path, $main_path) !== false) {
- // The calculated real path is really inside the chamilo root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path));
- //echo $file_path;echo '<br /><br />';
- //error_log('Reduced path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- } elseif (empty($file_path)) {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH),api_get_path(REL_PATH)));
- if (strpos($document_root,-1) == '/') {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$abs_path;
- $file_path = str_replace('//', '/', $file_path);
- if (file_exists($file_path)) {
- $file_path = substr($file_path, strlen($current_dir)); // We get the relative path.
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => 'document/'.$file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- }
- break;
- case 'abs': // Absolute path from DocumentRoot. Save file and leave path as is in the zip.
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $current_dir = str_replace('\\', '/', $current_dir);
- $file_path = realpath($doc_info[0]);
- $file_path = str_replace('\\', '/', $file_path);
- $my_dep_file->setAttribute('href', $file_path);
- $my_dep->setAttribute('xml:base', '');
- if (strstr($file_path,$main_path) !== false) {
- // The calculated real path is really inside the chamilo root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path));
- //echo $file_path;echo '<br /><br />';
- //error_log('Reduced path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- } elseif (empty($file_path)) {
- /*$document_root = substr(api_get_path(SYS_PATH), 0, strpos(api_get_path(SYS_PATH), api_get_path(REL_PATH)));
- if (strpos($document_root,-1) == '/') {
- $document_root = substr(0, -1, $document_root);
- }*/
- $file_path = $_SERVER['DOCUMENT_ROOT'].$doc_info[0];
- $file_path = str_replace('//', '/', $file_path);
- if (file_exists($file_path)) {
- $file_path = substr($file_path,strlen($current_dir)); // We get the relative path.
- $zip_files[] = $my_sub_dir.'/'.$file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- }
- break;
- case 'rel': // Path relative to the current document. Save xml:base as current document's directory and save file in zip as subdir.file_path
- if (substr($doc_info[0], 0, 2) == '..') {
- // Relative path going up.
- $current_dir = dirname($current_course_path.'/'.$item->get_file_path()).'/';
- $current_dir = str_replace('\\', '/', $current_dir);
- $file_path = realpath($current_dir.$doc_info[0]);
- $file_path = str_replace('\\', '/', $file_path);
- //error_log($file_path.' <-> '.$main_path, 0);
- if (strstr($file_path, $main_path) !== false) {
- // The calculated real path is really inside Chamilo's root path.
- // Reduce file path to what's under the DocumentRoot.
- $file_path = substr($file_path, strlen($root_path));
- $file_path_dest = $file_path;
- // File path is courses/CHAMILO/document/....
- $info_file_path = explode('/', $file_path);
- if ($info_file_path[0] == 'courses') { // Add character "/" in file path.
- $file_path_dest = 'document/'.$file_path;
- }
- //error_log('Reduced path: '.$file_path, 0);
- $zip_files_abs[] = $file_path;
- $link_updates[$my_file_path][] = array('orig' => $doc_info[0], 'dest' => $file_path_dest);
- $my_dep_file->setAttribute('href', 'document/'.$file_path);
- $my_dep->setAttribute('xml:base', '');
- }
- } else {
- $zip_files[] = $my_sub_dir.'/'.$doc_info[0];
- $my_dep_file->setAttribute('href', $doc_info[0]);
- $my_dep->setAttribute('xml:base', $my_xml_sub_dir);
- }
- break;
- default:
- $my_dep_file->setAttribute('href', $doc_info[0]); // ../../courses/
- $my_dep->setAttribute('xml:base', '');
- break;
- }
- }
- $my_dep->appendChild($my_dep_file);
- $resources->appendChild($my_dep);
- $dependency = $xmldoc->createElement('dependency');
- $dependency->setAttribute('identifierref', $res_id);
- $my_resource->appendChild($dependency);
- $i++;
- }
- $resources->appendChild($my_resource);
- $zip_files[] = $my_file_path;
- break;
- default:
- // Get the path of the file(s) from the course directory root
- $my_file_path = 'non_exportable.html';
- //$my_xml_file_path = api_htmlentities(api_utf8_encode($my_file_path), ENT_COMPAT, 'UTF-8');
- $my_xml_file_path = $my_file_path;
- $my_sub_dir = dirname($my_file_path);
- $my_sub_dir = str_replace('\\', '/', $my_sub_dir);
- //$my_xml_sub_dir = api_htmlentities(api_utf8_encode($my_sub_dir), ENT_COMPAT, 'UTF-8');
- $my_xml_sub_dir = $my_sub_dir;
- // Give a <resource> child to the <resources> element.
- $my_resource = $xmldoc->createElement('resource');
- $my_resource->setAttribute('identifier', 'RESOURCE_'.$item->get_id());
- $my_resource->setAttribute('type', 'webcontent');
- $my_resource->setAttribute('href', $folder_name.'/'.$my_xml_file_path);
- // adlcp:scormtype can be either 'sco' or 'asset'.
- $my_resource->setAttribute('adlcp:scormtype', 'asset');
- // xml:base is the base directory to find the files declared in this resource.
- $my_resource->setAttribute('xml:base', '');
- // Give a <file> child to the <resource> element.
- $my_file = $xmldoc->createElement('file');
- $my_file->setAttribute('href', 'document/'.$my_xml_file_path);
- $my_resource->appendChild($my_file);
- $resources->appendChild($my_resource);
- break;
- }
- }
- }
- $organizations->appendChild($organization);
- $root->appendChild($organizations);
- $root->appendChild($resources);
- $xmldoc->appendChild($root);
- $copyAll = api_get_configuration_value('add_all_files_in_lp_export');
- // TODO: Add a readme file here, with a short description and a link to the Reload player
- // then add the file to the zip, then destroy the file (this is done automatically).
- // http://www.reload.ac.uk/scormplayer.html - once done, don't forget to close FS#138
- foreach ($zip_files as $file_path) {
- if (empty($file_path)) {
- continue;
- }
- $filePath = $sys_course_path.$_course['path'].'/'.$file_path;
- $dest_file = $archive_path.$temp_dir_short.'/'.$file_path;
- if (!empty($path_to_remove) && !empty($path_to_replace)) {
- $dest_file = str_replace($path_to_remove, $path_to_replace, $dest_file);
- }
- $this->create_path($dest_file);
- @copy($filePath, $dest_file);
- // Check if the file needs a link update.
- if (in_array($file_path, array_keys($link_updates))) {
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach ($link_updates[$file_path] as $old_new) {
- // This is an ugly hack that allows .flv files to be found by the flv player that
- // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
- // to find the flv to play in document/main/, so we replace main/ in the flv path by
- // ../../.. to return from inc/lib/flv_player to the document/main path.
- if (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 5) == 'main/') {
- $old_new['dest'] = str_replace('main/', '../../../', $old_new['dest']);
- } elseif (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 6) == 'video/') {
- $old_new['dest'] = str_replace('video/', '../../../../video/', $old_new['dest']);
- }
- //Fix to avoid problems with default_course_document
- if (strpos("main/default_course_document", $old_new['dest'] === false)) {
- //$newDestination = str_replace('document/', $mult.'document/', $old_new['dest']);
- $newDestination = $old_new['dest'];
- } else {
- $newDestination = str_replace('document/', '', $old_new['dest']);
- }
- $string = str_replace($old_new['orig'], $newDestination, $string);
- // Add files inside the HTMLs
- $new_path = str_replace(api_get_path(REL_COURSE_PATH), '', $old_new['orig']);
- $destinationFile = $archive_path.$temp_dir_short.'/'.$old_new['dest'];
- if (file_exists($sys_course_path.$new_path)) {
- copy($sys_course_path.$new_path, $destinationFile);
- }
- }
- file_put_contents($dest_file, $string);
- }
- if (file_exists($filePath) && $copyAll) {
- $extension = $this->get_extension($filePath);
- if (in_array($extension, ['html', 'html'])) {
- $containerOrigin = dirname($filePath);
- $containerDestination = dirname($dest_file);
- $finder = new Finder();
- $finder->files()->in($containerOrigin)
- ->notName('*_DELETED_*')
- ->exclude('share_folder')
- ->exclude('chat_files')
- ->exclude('certificates')
- ;
- if (is_dir($containerOrigin) && is_dir($containerDestination)) {
- $fs = new Filesystem();
- $fs->mirror(
- $containerOrigin,
- $containerDestination,
- $finder
- );
- }
- }
- }
- }
- foreach ($zip_files_abs as $file_path) {
- if (empty($file_path)) {
- continue;
- }
- if (!is_file($main_path.$file_path) || !is_readable($main_path.$file_path)) {
- continue;
- }
- $dest_file = $archive_path.$temp_dir_short.'/document/'.$file_path;
- $this->create_path($dest_file);
- copy($main_path.$file_path, $dest_file);
- // Check if the file needs a link update.
- if (in_array($file_path, array_keys($link_updates))) {
- $string = file_get_contents($dest_file);
- unlink($dest_file);
- foreach ($link_updates[$file_path] as $old_new) {
- // This is an ugly hack that allows .flv files to be found by the flv player that
- // will be added in document/main/inc/lib/flv_player/flv_player.swf and that needs
- // to find the flv to play in document/main/, so we replace main/ in the flv path by
- // ../../.. to return from inc/lib/flv_player to the document/main path.
- if (substr($old_new['dest'], -3) == 'flv' && substr($old_new['dest'], 0, 5) == 'main/') {
- $old_new['dest'] = str_replace('main/', '../../../', $old_new['dest']);
- }
- $string = str_replace($old_new['orig'], $old_new['dest'], $string);
- }
- file_put_contents($dest_file, $string);
- }
- }
- if (is_array($links_to_create)) {
- foreach ($links_to_create as $file => $link) {
- $file_content = '<!DOCTYPE html><head>
- <meta charset="'.api_get_language_isocode().'" />
- <title>'.$link['title'].'</title>
- </head>
- <body dir="'.api_get_text_direction().'">
- <div style="text-align:center">
- <a href="'.$link['url'].'">'.$link['title'].'</a></div>
- </body>
- </html>';
- file_put_contents($archive_path.$temp_dir_short.'/'.$file, $file_content);
- }
- }
- // Add non exportable message explanation.
- $lang_not_exportable = get_lang('ThisItemIsNotExportable');
- $file_content = '<!DOCTYPE html><head>
- <meta charset="'.api_get_language_isocode().'" />
- <title>'.$lang_not_exportable.'</title>
- <meta http-equiv="Content-Type" content="text/html; charset='.api_get_system_encoding().'" />
- </head>
- <body dir="'.api_get_text_direction().'">';
- $file_content .=
- <<<EOD
- <style>
- .error-message {
- font-family: arial, verdana, helvetica, sans-serif;
- border-width: 1px;
- border-style: solid;
- left: 50%;
- margin: 10px auto;
- min-height: 30px;
- padding: 5px;
- right: 50%;
- width: 500px;
- background-color: #FFD1D1;
- border-color: #FF0000;
- color: #000;
- }
- </style>
- <body>
- <div class="error-message">
- $lang_not_exportable
- </div>
- </body>
- </html>
- EOD;
- if (!is_dir($archive_path.$temp_dir_short.'/document')) {
- @mkdir($archive_path.$temp_dir_short.'/document', api_get_permissions_for_new_directories());
- }
- file_put_contents($archive_path.$temp_dir_short.'/document/non_exportable.html', $file_content);
- // Add the extra files that go along with a SCORM package.
- $main_code_path = api_get_path(SYS_CODE_PATH).'newscorm/packaging/';
- $extra_files = scandir($main_code_path);
- foreach ($extra_files as $extra_file) {
- if (strpos($extra_file, '.') === 0) {
- continue;
- } else {
- $dest_file = $archive_path.$temp_dir_short.'/'.$extra_file;
- $this->create_path($dest_file);
- copy($main_code_path.$extra_file, $dest_file);
- }
- }
- // Finalize the imsmanifest structure, add to the zip, then return the zip.
- $manifest = @$xmldoc->saveXML();
- $manifest = api_utf8_decode_xml($manifest); // The manifest gets the system encoding now.
- file_put_contents($archive_path.'/'.$temp_dir_short.'/imsmanifest.xml', $manifest);
- $zip_folder->add(
- $archive_path.'/'.$temp_dir_short,
- PCLZIP_OPT_REMOVE_PATH,
- $archive_path.'/'.$temp_dir_short.'/'
- );
- // Clean possible temporary files.
- foreach ($files_cleanup as $file) {
- $res = unlink($file);
- if ($res === false) {
- error_log(
- 'Could not delete temp file '.$file.' '.__FILE__.' '.__LINE__,
- 0
- );
- }
- }
- $name = api_replace_dangerous_char($this->get_name()).'.zip';
- DocumentManager::file_send_for_download($temp_zip_file, true, $name);
- }
- /**
- * @param int $lp_id
- * @return bool
- */
- public function scorm_export_to_pdf($lp_id)
- {
- $lp_id = intval($lp_id);
- $files_to_export = array();
- $course_data = api_get_course_info($this->cc);
- if (!empty($course_data)) {
- $scorm_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/scorm/'.$this->path;
- $list = self::get_flat_ordered_items_list($lp_id);
- if (!empty($list)) {
- foreach ($list as $item_id) {
- $item = $this->items[$item_id];
- switch ($item->type) {
- case 'document':
- //Getting documents from a LP with chamilo documents
- $file_data = DocumentManager::get_document_data_by_id($item->path, $this->cc);
- // Try loading document from the base course.
- if (empty($file_data) && !empty($sessionId)) {
- $file_data = DocumentManager::get_document_data_by_id($item->path, $this->cc, false, 0);
- }
- $file_path = api_get_path(SYS_COURSE_PATH).$course_data['path'].'/document'.$file_data['path'];
- if (file_exists($file_path)) {
- $files_to_export[] = array('title'=>$item->get_title(),'path'=>$file_path);
- }
- break;
- case 'asset': //commes from a scorm package generated by chamilo
- case 'sco':
- $file_path = $scorm_path.'/'.$item->path;
- if (file_exists($file_path)) {
- $files_to_export[] = array('title'=>$item->get_title(), 'path' => $file_path);
- }
- break;
- case 'dokeos_chapter':
- case 'dir':
- case 'chapter':
- $files_to_export[] = array('title'=> $item->get_title(), 'path'=>null);
- break;
- }
- }
- }
- $pdf = new PDF();
- $result = $pdf->html_to_pdf($files_to_export, $this->name, $this->cc, true);
- return $result;
- }
- return false;
- }
- /**
- * Temp function to be moved in main_api or the best place around for this.
- * Creates a file path if it doesn't exist
- * @param string $path
- */
- public function create_path($path)
- {
- $path_bits = explode('/', dirname($path));
- // IS_WINDOWS_OS has been defined in main_api.lib.php
- $path_built = IS_WINDOWS_OS ? '' : '/';
- foreach ($path_bits as $bit) {
- if (!empty ($bit)) {
- $new_path = $path_built . $bit;
- if (is_dir($new_path)) {
- $path_built = $new_path . '/';
- } else {
- mkdir($new_path, api_get_permissions_for_new_directories());
- $path_built = $new_path . '/';
- }
- }
- }
- }
- /**
- * Delete the image relative to this learning path. No parameter. Only works on instanciated object.
- * @return boolean The results of the unlink function, or false if there was no image to start with
- */
- public function delete_lp_image()
- {
- $img = $this->get_preview_image();
- if ($img != '') {
- $del_file = $this->get_preview_image_path(null, 'sys');
- if (isset($del_file) && file_exists($del_file)) {
- $del_file_2 = $this->get_preview_image_path(64, 'sys');
- if (file_exists($del_file_2)) {
- unlink($del_file_2);
- }
- $this->set_preview_image('');
- return @unlink($del_file);
- }
- }
- return false;
- }
- /**
- * Uploads an author image to the upload/learning_path/images directory
- * @param array The image array, coming from the $_FILES superglobal
- * @return boolean True on success, false on error
- */
- public function upload_image($image_array)
- {
- $image_moved = false;
- if (!empty ($image_array['name'])) {
- $upload_ok = process_uploaded_file($image_array);
- $has_attachment = true;
- } else {
- $image_moved = true;
- }
- if ($upload_ok) {
- if ($has_attachment) {
- $courseDir = api_get_course_path() . '/upload/learning_path/images';
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $updir = $sys_course_path . $courseDir;
- // Try to add an extension to the file if it hasn't one.
- $new_file_name = add_ext_on_mime(stripslashes($image_array['name']), $image_array['type']);
- if (!filter_extension($new_file_name)) {
- //Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
- $image_moved = false;
- } else {
- $file_extension = explode('.', $image_array['name']);
- $file_extension = strtolower($file_extension[sizeof($file_extension) - 1]);
- $filename = uniqid('');
- $new_file_name = $filename.'.'.$file_extension;
- $new_path = $updir.'/'.$new_file_name;
- // Resize the image.
- $temp = new Image($image_array['tmp_name']);
- $temp->resize(104);
- $result = $temp->send_image($new_path);
- // Storing the image filename.
- if ($result) {
- $image_moved = true;
- $this->set_preview_image($new_file_name);
- //Resize to 64px to use on course homepage
- $temp->resize(64);
- $temp->send_image($updir.'/'.$filename.'.64.'.$file_extension);
- return true;
- }
- }
- }
- }
- return false;
- }
- /**
- * @param int $lp_id
- * @param string $status
- */
- public function set_autolaunch($lp_id, $status)
- {
- $course_id = api_get_course_int_id();
- $lp_id = intval($lp_id);
- $status = intval($status);
- $lp_table = Database::get_course_table(TABLE_LP_MAIN);
- // Setting everything to autolaunch = 0
- $attributes['autolaunch'] = 0;
- $where = array('session_id = ? AND c_id = ? '=> array(api_get_session_id(), $course_id));
- Database::update($lp_table, $attributes, $where);
- if ($status == 1) {
- //Setting my lp_id to autolaunch = 1
- $attributes['autolaunch'] = 1;
- $where = array('id = ? AND session_id = ? AND c_id = ?'=> array($lp_id, api_get_session_id(), $course_id));
- Database::update($lp_table, $attributes, $where );
- }
- }
- /**
- * Gets previous_item_id for the next element of the lp_item table
- * @author Isaac flores paz
- * @return integer Previous item ID
- */
- public function select_previous_item_id()
- {
- $course_id = api_get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::select_previous_item_id()', 0);
- }
- $table_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- // Get the max order of the items
- $sql_max_order = "SELECT max(display_order) AS display_order FROM $table_lp_item
- WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "'";
- $rs_max_order = Database::query($sql_max_order);
- $row_max_order = Database::fetch_object($rs_max_order);
- $max_order = $row_max_order->display_order;
- // Get the previous item ID
- $sql = "SELECT id as previous FROM $table_lp_item
- WHERE c_id = $course_id AND lp_id = '" . $this->lp_id . "' AND display_order = '".$max_order."' ";
- $rs_max = Database::query($sql);
- $row_max = Database::fetch_object($rs_max);
- // Return the previous item ID
- return $row_max->previous;
- }
- /**
- * Copies an LP
- */
- public function copy()
- {
- $main_path = api_get_path(SYS_CODE_PATH);
- require_once $main_path.'coursecopy/classes/CourseBuilder.class.php';
- require_once $main_path.'coursecopy/classes/CourseArchiver.class.php';
- require_once $main_path.'coursecopy/classes/CourseRestorer.class.php';
- require_once $main_path.'coursecopy/classes/CourseSelectForm.class.php';
- //Course builder
- $cb = new CourseBuilder();
- //Setting tools that will be copied
- $cb->set_tools_to_build(array('learnpaths'));
- //Setting elements that will be copied
- $cb->set_tools_specific_id_list(
- array('learnpaths' => array($this->lp_id))
- );
- $course = $cb->build();
- //Course restorer
- $course_restorer = new CourseRestorer($course);
- $course_restorer->set_add_text_in_items(true);
- $course_restorer->set_tool_copy_settings(array('learnpaths' => array('reset_dates' => true)));
- $course_restorer->restore(api_get_course_id(), api_get_session_id(), false, false);
- }
- public function verify_document_size($s)
- {
- $post_max = ini_get('post_max_size');
- if (substr($post_max, -1, 1) == 'M') {
- $post_max = intval(substr($post_max, 0, -1)) * 1024 * 1024;
- } elseif (substr($post_max, -1, 1) == 'G') {
- $post_max = intval(substr($post_max, 0, -1)) * 1024 * 1024 * 1024;
- }
- $upl_max = ini_get('upload_max_filesize');
- if (substr($upl_max, -1, 1) == 'M') {
- $upl_max = intval(substr($upl_max, 0, -1)) * 1024 * 1024;
- } elseif (substr($upl_max, -1, 1) == 'G') {
- $upl_max = intval(substr($upl_max, 0, -1)) * 1024 * 1024 * 1024;
- }
- $documents_total_space = DocumentManager::documents_total_space();
- $course_max_space = DocumentManager::get_course_quota();
- $total_size = filesize($s) + $documents_total_space;
- if (filesize($s)>$post_max || filesize($s)>$upl_max || $total_size>$course_max_space ){
- return true;
- } else{
- return false;
- }
- }
- /**
- * Clear LP prerequisites
- */
- public function clear_prerequisites()
- {
- $course_id = $this->get_course_int_id();
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::clear_prerequisites()', 0);
- }
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $lp_id = $this->get_id();
- //Cleaning prerequisites
- $sql = "UPDATE $tbl_lp_item SET prerequisite = ''
- WHERE c_id = ".$course_id." AND lp_id = '$lp_id'";
- Database::query($sql);
- //Cleaning mastery score for exercises
- $sql = "UPDATE $tbl_lp_item SET mastery_score = ''
- WHERE c_id = ".$course_id." AND lp_id = '$lp_id' AND item_type = 'quiz'";
- Database::query($sql);
- }
- public function set_previous_step_as_prerequisite_for_all_items()
- {
- $tbl_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
- $course_id = $this->get_course_int_id();
- $lp_id = $this->get_id();
- if (!empty($this->items)) {
- $previous_item_id = null;
- $previous_item_max = 0;
- $previous_item_type = null;
- $last_item_not_chapter = null;
- $last_item_not_chapter_type = null;
- $last_item_not_chapter_max = null;
- foreach ($this->items as $item) {
- // if there was a previous item... (otherwise jump to set it)
- if (!empty($previous_item_id)) {
- $current_item_id = $item->get_id(); //save current id
- if (!in_array($item->get_type(), array('dokeos_chapter', 'chapter'))) {
- // Current item is not a folder, so it qualifies to get a prerequisites
- if ($last_item_not_chapter_type == 'quiz') {
- // if previous is quiz, mark its max score as default score to be achieved
- $sql = "UPDATE $tbl_lp_item SET mastery_score = '$last_item_not_chapter_max'
- WHERE c_id = ".$course_id." AND lp_id = '$lp_id' AND id = '$last_item_not_chapter'";
- Database::query($sql);
- }
- // now simply update the prerequisite to set it to the last non-chapter item
- $sql = "UPDATE $tbl_lp_item SET prerequisite = '$last_item_not_chapter'
- WHERE c_id = ".$course_id." AND lp_id = '$lp_id' AND id = '$current_item_id'";
- Database::query($sql);
- // record item as 'non-chapter' reference
- $last_item_not_chapter = $item->get_id();
- $last_item_not_chapter_type = $item->get_type();
- $last_item_not_chapter_max = $item->get_max();
- }
- } else {
- if (!in_array($item->get_type(), array('dokeos_chapter', 'chapter'))) {
- // Current item is not a folder (but it is the first item) so record as last "non-chapter" item
- $last_item_not_chapter = $item->get_id();
- $last_item_not_chapter_type = $item->get_type();
- $last_item_not_chapter_max = $item->get_max();
- }
- }
- // Saving the item as "previous item" for the next loop
- $previous_item_id = $item->get_id();
- $previous_item_max = $item->get_max();
- $previous_item_type = $item->get_type();
- }
- }
- }
- /**
- * @param array $params
- */
- public static function createCategory($params)
- {
- $em = Database::getManager();
- $item = new CLpCategory();
- $item->setName($params['name']);
- $item->setCId($params['c_id']);
- $em->persist($item);
- $em->flush();
- }
- /**
- * @param array $params
- */
- public static function updateCategory($params)
- {
- $em = Database::getManager();
- /** @var CLpCategory $item */
- $item = $em->find('ChamiloCourseBundle:CLpCategory', $params['id']);
- if ($item) {
- $item->setName($params['name']);
- $em->merge($item);
- $em->flush();
- }
- }
- /**
- * @param int $id
- */
- public static function moveUpCategory($id)
- {
- $em = Database::getManager();
- /** @var CLpCategory $item */
- $item = $em->find('ChamiloCourseBundle:CLpCategory', $id);
- if ($item) {
- $position = $item->getPosition() - 1;
- $item->setPosition($position);
- $em->persist($item);
- $em->flush();
- }
- }
- /**
- * @param int $id
- */
- public static function moveDownCategory($id)
- {
- $em = Database::getManager();
- /** @var CLpCategory $item */
- $item = $em->find('ChamiloCourseBundle:CLpCategory', $id);
- if ($item) {
- $position = $item->getPosition() + 1;
- $item->setPosition($position);
- $em->persist($item);
- $em->flush();
- }
- }
- /**
- * @param int $courseId
- * @return int|mixed
- */
- public static function getCountCategories($courseId)
- {
- if (empty($course_id)) {
- return 0;
- }
- $em = Database::getManager();
- $query = $em->createQuery('SELECT COUNT(u.id) FROM ChamiloCourseBundle:CLpCategory u WHERE u.cId = :id');
- $query->setParameter('id', $courseId);
- return $query->getSingleScalarResult();
- }
- /**
- * @param int $courseId
- *
- * @return mixed
- */
- public static function getCategories($courseId)
- {
- $em = Database::getManager();
- //Default behaviour
- /*$items = $em->getRepository('ChamiloCourseBundle:CLpCategory')->findBy(
- array('cId' => $course_id),
- array('name' => 'ASC')
- );*/
- // Using doctrine extensions
- $items = $em->getRepository('ChamiloCourseBundle:CLpCategory')->getBySortableGroupsQuery(
- array('cId' => $courseId)
- )->getResult();
- return $items;
- }
- /**
- * @param int $id
- *
- * @return mixed
- */
- public static function getCategory($id)
- {
- $em = Database::getManager();
- $item = $em->find('ChamiloCourseBundle:CLpCategory', $id);
- return $item;
- }
- /**
- * @param int $courseId
- * @return array
- */
- public static function getCategoryByCourse($courseId)
- {
- $em = Database::getManager();
- $items = $em->getRepository('ChamiloCourseBundle:CLpCategory')->findBy(array('cId' => $courseId));
- return $items;
- }
- /**
- * @param int $id
- *
- * @return mixed
- */
- public static function deleteCategory($id)
- {
- $em = Database::getManager();
- $item = $em->find('ChamiloCourseBundle:CLpCategory', $id);
- if ($item) {
- $courseId = $item->getCId();
- $query = $em->createQuery('SELECT u FROM ChamiloCourseBundle:CLp u WHERE u.cId = :id AND u.categoryId = :catId');
- $query->setParameter('id', $courseId);
- $query->setParameter('catId', $item->getId());
- $lps = $query->getResult();
- // Setting category = 0.
- if ($lps) {
- foreach ($lps as $lpItem) {
- $lpItem->setCategoryId(0);
- }
- }
- // Removing category.
- $em->remove($item);
- $em->flush();
- }
- }
- /**
- * @param int $courseId
- * @param bool $addSelectOption
- *
- * @return mixed
- */
- static function getCategoryFromCourseIntoSelect($courseId, $addSelectOption = false)
- {
- $items = self::getCategoryByCourse($courseId);
- $cats = array();
- if ($addSelectOption) {
- $cats = array(get_lang('SelectACategory'));
- }
- if (!empty($items)) {
- foreach ($items as $cat) {
- $cats[$cat->getId()] = $cat->getName();
- }
- }
- return $cats;
- }
- /**
- * Return the scorm item type object with spaces replaced with _
- * The return result is use to build a css classname like scorm_type_$return
- * @param $in_type
- * @return mixed
- */
- private static function format_scorm_type_item($in_type)
- {
- return str_replace(' ', '_', $in_type);
- }
- /**
- * @return \learnpath
- */
- public static function getLpFromSession($courseCode, $lp_id, $user_id)
- {
- $lpObject = Session::read('lpobject');
- $learnPath = null;
- if (isset($lpObject)) {
- $learnPath = unserialize($lpObject);
- }
- if (!is_object($learnPath)) {
- $learnPath = new learnpath($courseCode, $lp_id, $user_id);
- }
- return $learnPath;
- }
- /**
- * @param int $itemId
- * @return learnpathItem|false
- */
- public function getItem($itemId)
- {
- if (isset($this->items[$itemId]) && is_object($this->items[$itemId])) {
- return $this->items[$itemId];
- }
- return false;
- }
- /**
- * @return int
- */
- public function getCategoryId()
- {
- return $this->categoryId;
- }
- /**
- * @param int $categoryId
- * @return bool
- */
- public function setCategoryId($categoryId)
- {
- $this->categoryId = intval($categoryId);
- $courseId = api_get_course_int_id();
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET category_id = ".$this->categoryId."
- WHERE c_id = $courseId AND id = $lp_id";
- Database::query($sql);
- return true;
- }
- /**
- * Get whether this is a learning path with the possibility to subscribe
- * users or not
- * @return int
- */
- public function getSubscribeUsers()
- {
- return $this->subscribeUsers;
- }
- /**
- * Set whether this is a learning path with the possibility to subscribe
- * users or not
- * @param int $subscribeUsers (0 = false, 1 = true)
- */
- public function setSubscribeUsers($value)
- {
- if ($this->debug > 0) {
- error_log('New LP - In learnpath::set_subscribe_users()', 0);
- }
- $this->subscribeUsers = intval($value);;
- $lp_table = Database :: get_course_table(TABLE_LP_MAIN);
- $lp_id = $this->get_id();
- $sql = "UPDATE $lp_table SET subscribe_users = ".$this->subscribeUsers."
- WHERE c_id = ".$this->course_int_id." AND id = $lp_id";
- Database::query($sql);
- return true;
- }
- /**
- * Calculate the count of stars for a user in this LP
- * This calculation is based on the following rules:
- * - the student gets one star when he gets to 50% of the learning path
- * - the student gets a second star when the average score of all tests inside the learning path >= 50%
- * - the student gets a third star when the average score of all tests inside the learning path >= 80%
- * - the student gets the final star when the score for the *last* test is >= 80%
- * @param int $sessionId Optional. The session ID
- * @return int The count of stars
- */
- public function getCalculateStars($sessionId = 0)
- {
- $stars = 0;
- $progress = self::getProgress($this->lp_id, $this->user_id, $this->course_int_id, $sessionId);
- if ($progress >= 50) {
- $stars++;
- }
- // Calculate stars chapters evaluation
- $exercisesItems = $this->getExercisesItems();
- if (!empty($exercisesItems)) {
- $totalResult = 0;
- foreach ($exercisesItems as $exerciseItem) {
- $exerciseResultInfo = Event::getExerciseResultsByUser(
- $this->user_id,
- $exerciseItem->path,
- $this->course_int_id,
- $sessionId,
- $this->lp_id,
- $exerciseItem->db_id
- );
- $exerciseResultInfo = end($exerciseResultInfo);
- if (!$exerciseResultInfo) {
- continue;
- }
- $exerciseResult = $exerciseResultInfo['exe_result'] * 100 / $exerciseResultInfo['exe_weighting'];
- $totalResult += $exerciseResult;
- }
- $totalExerciseAverage = $totalResult / (count($exercisesItems) > 0 ? count($exercisesItems) : 1);
- if ($totalExerciseAverage >= 50) {
- $stars++;
- }
- if ($totalExerciseAverage >= 80) {
- $stars++;
- }
- }
- // Calculate star for final evaluation
- $finalEvaluationItem = $this->getFinalEvaluationItem();
- if (!empty($finalEvaluationItem)) {
- $evaluationResultInfo = Event::getExerciseResultsByUser(
- $this->user_id,
- $finalEvaluationItem->path,
- $this->course_int_id,
- $sessionId,
- $this->lp_id,
- $finalEvaluationItem->db_id
- );
- $evaluationResultInfo = end($evaluationResultInfo);
- if ($evaluationResultInfo) {
- $evaluationResult = $evaluationResultInfo['exe_result'] * 100 / $evaluationResultInfo['exe_weighting'];
- if ($evaluationResult >= 80) {
- $stars++;
- }
- }
- }
- return $stars;
- }
- /**
- * Get the items of exercise type
- * @return array The items. Otherwise return false
- */
- public function getExercisesItems()
- {
- $exercises = [];
- foreach ($this->items as $item) {
- if ($item->type != 'quiz') {
- continue;
- }
- $exercises[] = $item;
- }
- array_pop($exercises);
- return $exercises;
- }
- /**
- * Get the item of exercise type (evaluation type)
- * @return array The final evaluation. Otherwise return false
- */
- public function getFinalEvaluationItem()
- {
- $exercises = [];
- foreach ($this->items as $item) {
- if ($item->type != 'quiz') {
- continue;
- }
- $exercises[] = $item;
- }
- return array_pop($exercises);
- }
- /**
- * Calculate the total points achieved for the current user in this learning path
- * @param int $sessionId Optional. The session Id
- * @return int
- */
- public function getCalculateScore($sessionId = 0)
- {
- // Calculate stars chapters evaluation
- $exercisesItems = $this->getExercisesItems();
- $finalEvaluationItem = $this->getFinalEvaluationItem();
- $totalExercisesResult = 0;
- $totalEvaluationResult = 0;
- if ($exercisesItems !== false) {
- foreach ($exercisesItems as $exerciseItem) {
- $exerciseResultInfo = Event::getExerciseResultsByUser(
- $this->user_id,
- $exerciseItem->path,
- $this->course_int_id,
- $sessionId,
- $this->lp_id,
- $exerciseItem->db_id
- );
- $exerciseResultInfo = end($exerciseResultInfo);
- if (!$exerciseResultInfo) {
- continue;
- }
- $totalExercisesResult += $exerciseResultInfo['exe_result'];
- }
- }
- if (!empty($finalEvaluationItem)) {
- $evaluationResultInfo = Event::getExerciseResultsByUser(
- $this->user_id,
- $finalEvaluationItem->path,
- $this->course_int_id,
- $sessionId,
- $this->lp_id,
- $finalEvaluationItem->db_id
- );
- $evaluationResultInfo = end($evaluationResultInfo);
- if ($evaluationResultInfo) {
- $totalEvaluationResult += $evaluationResultInfo['exe_result'];
- }
- }
- return $totalExercisesResult + $totalEvaluationResult;
- }
- /**
- * Check if URL is not allowed to be show in a iframe
- * @param string $src
- *
- * @return string
- */
- public function fixBlockedLinks($src)
- {
- $urlInfo = parse_url($src);
- //$platformProtocol = api_get_protocol();
- $platformProtocol = 'https';
- if (strpos(api_get_path(WEB_CODE_PATH), 'https') === false) {
- $platformProtocol = 'http';
- }
- $protocolFixApplied = false;
- //Scheme validation to avoid "Notices" when the lesson doesn't contain a valid scheme
- $scheme = isset($urlInfo['scheme']) ? $urlInfo['scheme'] : null;
- if ($platformProtocol != $scheme) {
- $_SESSION['x_frame_source'] = $src;
- $src = 'blank.php?error=x_frames_options';
- $protocolFixApplied = true;
- }
- if ($protocolFixApplied == false) {
- if (strpos($src, api_get_path(WEB_CODE_PATH)) === false) {
- // Check X-Frame-Options
- $ch = curl_init();
- $options = array(
- CURLOPT_URL => $src,
- CURLOPT_RETURNTRANSFER => true,
- CURLOPT_HEADER => true,
- CURLOPT_FOLLOWLOCATION => true,
- CURLOPT_ENCODING => "",
- CURLOPT_AUTOREFERER => true,
- CURLOPT_CONNECTTIMEOUT => 120,
- CURLOPT_TIMEOUT => 120,
- CURLOPT_MAXREDIRS => 10,
- );
- curl_setopt_array($ch, $options);
- $response = curl_exec($ch);
- $httpCode = curl_getinfo($ch);
- $headers = substr($response, 0, $httpCode['header_size']);
- $error = false;
- if (stripos($headers, 'X-Frame-Options: DENY') > -1
- //|| stripos($headers, 'X-Frame-Options: SAMEORIGIN') > -1
- ) {
- $error = true;
- }
- if ($error) {
- $_SESSION['x_frame_source'] = $src;
- $src = 'blank.php?error=x_frames_options';
- }
- }
- }
- return $src;
- }
- /**
- * Check if this LP has a created forum in the basis course
- * @return boolean
- */
- public function lpHasForum()
- {
- $forumTable = Database::get_course_table(TABLE_FORUM);
- $itemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $fakeFrom = "
- $forumTable f
- INNER JOIN $itemProperty ip
- ON (f.forum_id = ip.ref AND f.c_id = ip.c_id)
- ";
- $resultData = Database::select(
- 'COUNT(f.iid) AS qty',
- $fakeFrom,
- [
- 'where' => [
- 'ip.visibility != ? AND ' => 2,
- 'ip.tool = ? AND ' => TOOL_FORUM,
- 'f.c_id = ? AND ' => intval($this->course_int_id),
- 'f.lp_id = ?' => intval($this->lp_id)
- ]
- ],
- 'first'
- );
- if ($resultData['qty'] > 0) {
- return true;
- }
- return false;
- }
- /**
- * Get the forum for this learning path
- * @return boolean
- */
- public function getForum($sessionId = 0)
- {
- $forumTable = Database::get_course_table(TABLE_FORUM);
- $itemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $fakeFrom = "$forumTable f
- INNER JOIN $itemProperty ip ";
- if ($this->lp_session_id == 0) {
- $fakeFrom .= "
- ON (
- f.forum_id = ip.ref AND f.c_id = ip.c_id AND (
- f.session_id = ip.session_id OR ip.session_id IS NULL
- )
- )
- ";
- } else {
- $fakeFrom .= "
- ON (
- f.forum_id = ip.ref AND f.c_id = ip.c_id AND f.session_id = ip.session_id
- )
- ";
- }
- $resultData = Database::select(
- 'f.*',
- $fakeFrom,
- [
- 'where' => [
- 'ip.visibility != ? AND ' => 2,
- 'ip.tool = ? AND ' => TOOL_FORUM,
- 'f.session_id = ? AND ' => $sessionId,
- 'f.c_id = ? AND ' => intval($this->course_int_id),
- 'f.lp_id = ?' => intval($this->lp_id)
- ]
- ],
- 'first'
- );
- if (empty($resultData)) {
- return false;
- }
- return $resultData;
- }
- /**
- * Create a forum for this learning path
- * @param type $forumCategoryId
- * @return int The forum ID if was created. Otherwise return false
- */
- public function createForum($forumCategoryId)
- {
- require_once api_get_path(SYS_CODE_PATH) . '/forum/forumfunction.inc.php';
- $forumId = store_forum(
- [
- 'lp_id' => $this->lp_id,
- 'forum_title' => $this->name,
- 'forum_comment' => null,
- 'forum_category' => intval($forumCategoryId),
- 'students_can_edit_group' => ['students_can_edit' => 0],
- 'allow_new_threads_group' => ['allow_new_threads' => 0],
- 'default_view_type_group' => ['default_view_type' => 'flat'],
- 'group_forum' => 0,
- 'public_private_group_forum_group' => ['public_private_group_forum' => 'public']
- ],
- [],
- true
- );
- return $forumId;
- }
- /**
- * Check and obtain the lp final item if exist
- *
- * @return array lp items
- */
- private function getFinalItem()
- {
- if (empty($this->items)) {
- return null;
- }
- foreach ($this->items as $item) {
- if ($item->type !== 'final_item') {
- continue;
- }
- return $item;
- }
- }
- /**
- * Get the LP Final Item Template
- *
- * @return html
- */
- private function getFinalItemTemplate()
- {
- return file_get_contents(api_get_path(SYS_CODE_PATH) . 'newscorm/final_item_template/template.html');
- }
- /**
- * Get the LP Final Item Url
- *
- * @return String
- */
- private function getSavedFinalItem()
- {
- $finalItem = $this->getFinalItem();
- $doc = DocumentManager::get_document_data_by_id($finalItem->path, $this->cc);
- return file_get_contents($doc['absolute_path']);
- }
- /**
- * Get the LP Final Item form
- *
- * @return html
- */
- public function getFinalItemForm()
- {
- $finalItem = $this->getFinalItem();
- $title = '';
- $content = '';
- if ($finalItem) {
- $title = $finalItem->title;
- $buttonText = get_lang('Save');
- $content = $this->getSavedFinalItem();
- } else {
- $buttonText = get_lang('LPCreateDocument');
- $content = $this->getFinalItemTemplate();
- }
- $courseInfo = api_get_course_info();
- $result = $this->generate_lp_folder($courseInfo);
- $relative_path = api_substr($result['dir'], 1, strlen($result['dir']));
- $relative_prefix = '../../';
- $editorConfig = [
- 'ToolbarSet' => 'LearningPathDocuments',
- 'Width' => '100%',
- 'Height' => '500',
- 'FullPage' => true,
- 'CreateDocumentDir' => $relative_prefix,
- 'CreateDocumentWebDir' => api_get_path(WEB_COURSE_PATH) . api_get_course_path() . '/document/',
- 'BaseHref' => api_get_path(WEB_COURSE_PATH) . api_get_course_path() . '/document/' . $relative_path
- ];
- $url = api_get_self() . '?' . api_get_cidreq() . '&' . http_build_query([
- 'type' => 'document',
- 'lp_id' => $this->lp_id
- ]);
- $form = new FormValidator('final_item', 'POST', $url);
- $form->addText('title', get_lang('Title'));
- $form->addButtonSave($buttonText);
- $form->addHtml('<div class="alert alert-info">Variables :</br></br> <b>((certificate))</b> </br> <b>((skill))</b></div>');
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate('<div class="editor-lp"> {label}{element}</div>', 'content_lp');
- $form->addHtmlEditor('content_lp', null, null, true, $editorConfig, true);
- $form->addHidden('action', 'add_final_item');
- $form->addHidden('path', isset($_SESSION['pathItem']) ? $_SESSION['pathItem'] : '');
- $form->addHidden('previous', $this->get_last());
- $form->setDefaults(['title' => $title, 'content_lp' => $content]);
- if ($form->validate()) {
- $values = $form->exportValues();
- $lastItemId = $this->get_last();
- if (!$finalItem) {
- $documentId = $this->create_document($this->course_info, $values['content_lp'], $values['title']);
- $this->add_item(
- 0,
- $lastItemId,
- 'final_item',
- $documentId,
- $values['title'],
- ''
- );
- } else {
- $this->edit_document($this->course_info);
- }
- }
- return $form->returnForm();
- }
- }
- if (!function_exists('trim_value')) {
- function trim_value(& $value) {
- $value = trim($value);
- }
- }
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