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|
- <?php
- class learnpathItem
- {
- const debug = 0;
- public $attempt_id;
- public $audio;
- public $children = array();
- public $condition;
- public $current_score;
- public $current_start_time;
- public $current_stop_time;
- public $current_data = '';
- public $db_id;
- public $db_item_view_id = '';
- public $description = '';
- public $file;
-
- public $interactions = array();
- public $interactions_count = 0;
- public $objectives = array();
- public $objectives_count = 0;
- public $launch_data = '';
- public $lesson_location = '';
- public $level = 0;
- public $core_exit = '';
-
- public $lp_id;
- public $max_score;
- public $mastery_score;
- public $min_score;
- public $max_time_allowed = '';
- public $name;
- public $next;
- public $parent;
- public $path;
- public $possible_status = array(
- 'not attempted',
- 'incomplete',
- 'completed',
- 'passed',
- 'failed',
- 'browsed'
- );
- public $prereq_string = '';
- public $prereq_alert = '';
- public $prereqs = array();
- public $previous;
- public $prevent_reinit = 1;
- public $seriousgame_mode;
- public $ref;
- public $save_on_close = true;
- public $search_did = null;
- public $status;
- public $title;
-
- public $type;
- public $view_id;
-
- private $last_scorm_session_time = 0;
- private $prerequisiteMaxScore;
- private $prerequisiteMinScore;
-
- public function __construct(
- $id,
- $user_id = null,
- $course_id = null,
- $item_content = null
- ) {
- $items_table = Database::get_course_table(TABLE_LP_ITEM);
-
- if (!isset($user_id)) {
- $user_id = api_get_user_id();
- }
- if (self::debug > 0) {
- error_log(
- "learnpathItem constructor: id: $id user_id: ".
- "$user_id course_id: $course_id item_content: $item_content",
- 0
- );
- }
- $id = intval($id);
- if (empty($item_content)) {
- if (empty($course_id)) {
- $course_id = api_get_course_int_id();
- } else {
- $course_id = intval($course_id);
- }
- $sql = "SELECT * FROM $items_table
- WHERE c_id = $course_id AND id = $id";
- $res = Database::query($sql);
- if (Database::num_rows($res) < 1) {
- $this->error =
- 'Could not find given learnpath item in learnpath_item table';
- return false;
- }
- $row = Database::fetch_array($res);
- } else {
- $row = $item_content;
- }
- $this->lp_id = $row['lp_id'];
- $this->max_score = $row['max_score'];
- $this->min_score = $row['min_score'];
- $this->name = $row['title'];
- $this->type = $row['item_type'];
- $this->ref = $row['ref'];
- $this->title = $row['title'];
- $this->description = $row['description'];
- $this->path = $row['path'];
- $this->mastery_score = $row['mastery_score'];
- $this->parent = $row['parent_item_id'];
- $this->next = $row['next_item_id'];
- $this->previous = $row['previous_item_id'];
- $this->display_order = $row['display_order'];
- $this->prereq_string = $row['prerequisite'];
- $this->max_time_allowed = $row['max_time_allowed'];
- $this->setPrerequisiteMaxScore($row['prerequisite_max_score']);
- $this->setPrerequisiteMinScore($row['prerequisite_min_score']);
- if (isset($row['launch_data'])) {
- $this->launch_data = $row['launch_data'];
- }
- $this->save_on_close = true;
- $this->db_id = $id;
-
- $sql = "SELECT id FROM $items_table
- WHERE
- c_id = $course_id AND
- lp_id = ".$this->lp_id." AND
- parent_item_id = $id";
- $res = Database::query($sql);
- if (Database::num_rows($res) < 1) {
-
- } else {
- while ($row = Database::fetch_assoc($res)) {
- $this->children[] = $row['id'];
- }
- }
-
- $this->seriousgame_mode = 0;
-
- 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,
- api_get_course_id(),
- TOOL_LEARNPATH,
- $this->lp_id,
- $id
- );
- if (self::debug > 0) {
- error_log($sql);
- };
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $se_ref = Database::fetch_array($res);
- $this->search_did = (int)$se_ref['search_did'];
- }
- }
- $this->audio = $row['audio'];
- if (self::debug > 0) {
- error_log(
- 'New LP - End of learnpathItem constructor for item ' . $id,
- 0
- );
- }
- return true;
- }
-
- public function add_child($item)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::add_child()', 0);
- }
- if (!empty($item)) {
-
-
- $this->children[] = $item;
- }
- }
-
- public function add_interaction($index, $params)
- {
- $this->interactions[$index] = $params;
-
- if (($index + 1) > $this->interactions_count) {
- $this->interactions_count = $index + 1;
- }
-
- }
-
- public function add_objective($index, $params)
- {
- if (empty($params[0])) {
- return null;
- }
- $this->objectives[$index] = $params;
-
- if ((count($this->objectives) + 1) > $this->objectives_count) {
- $this->objectives_count = (count($this->objectives) + 1);
- }
- }
-
- public function close()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::close()', 0);
- }
- $this->current_stop_time = time();
- $type = $this->get_type();
- if ($type != 'sco') {
- if ($type == TOOL_QUIZ || $type == TOOL_HOTPOTATOES) {
- $this->get_status(
- true,
- true
- );
- } else {
- $this->status = $this->possible_status[2];
- }
- }
- if ($this->save_on_close) {
- $this->save();
- }
- return true;
- }
-
- public function delete()
- {
- if (self::debug > 0) {
- error_log('learnpath_item::delete() for item ' . $this->db_id, 0);
- }
- $lp_item_view = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $course_id = api_get_course_int_id();
- $sql = "DELETE FROM $lp_item_view
- WHERE c_id = $course_id AND lp_item_id = " . $this->db_id;
- if (self::debug > 0) {
- error_log('Deleting from lp_item_view: ' . $sql, 0);
- }
- Database::query($sql);
- $sql = "SELECT * FROM $lp_item
- WHERE c_id = $course_id AND id = " . $this->db_id;
- $res_sel = Database::query($sql);
- if (Database::num_rows($res_sel) < 1) {
- return false;
- }
- $sql = "DELETE FROM $lp_item
- WHERE c_id = $course_id AND id = " . $this->db_id;
- Database::query($sql);
- if (self::debug > 0) {
- error_log('Deleting from lp_item: ' . $sql);
- }
- if (api_get_setting('search_enabled') == 'true') {
- if (!is_null($this->search_did)) {
- require_once api_get_path(LIBRARY_PATH) . 'search/ChamiloIndexer.class.php';
- $di = new ChamiloIndexer();
- $di->remove_document($this->search_did);
- }
- }
- return true;
- }
-
- public function drop_child($item)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::drop_child()', 0);
- }
- if (!empty($item)) {
- foreach ($this->children as $index => $child) {
- if ($child == $item) {
- $this->children[$index] = null;
- }
- }
- }
- }
-
- public function get_attempt_id()
- {
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::get_attempt_id() on item ' . $this->db_id,
- 0
- );
- }
- $res = 1;
- if (!empty($this->attempt_id)) {
- $res = intval($this->attempt_id);
- }
- if (self::debug > 0) {
- error_log(
- 'New LP - End of learnpathItem::get_attempt_id() on item ' .
- $this->db_id . ' - Returning ' . $res,
- 0
- );
- }
- return $res;
- }
-
- public function get_children()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_children()', 0);
- }
- $list = array();
- foreach ($this->children as $child) {
- if (!empty($child)) {
- $list[] = $child;
- }
- }
- return $list;
- }
-
- public function get_core_exit()
- {
- return $this->core_exit;
- }
-
- public function get_credit()
- {
- if (self::debug > 1) {
- error_log('learnpathItem::get_credit()', 0);
- }
- $credit = 'credit';
-
-
-
- if ($this->get_prevent_reinit() != 0) {
-
-
-
-
-
- $status = $this->get_status(true);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_credit() - get_prevent_reinit!=0 and '.
- 'status is ' . $status,
- 0
- );
- }
-
- if ($status != $this->possible_status[0]&&
- $status != $this->possible_status[1]
- ) {
- $credit = 'no-credit';
- }
- }
- if (self::debug > 1) {
- error_log("learnpathItem::get_credit() returns: $credit");
- }
- return $credit;
- }
-
- public function get_current_start_time()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_current_start_time()', 0);
- }
- if (empty($this->current_start_time)) {
- return time();
- } else {
- return $this->current_start_time;
- }
- }
-
- public function get_description()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_description()', 0);
- }
- if (empty($this->description)) {
- return '';
- }
- return $this->description;
- }
-
- public function get_file_path($path_to_scorm_dir = '')
- {
- $course_id = api_get_course_int_id();
- if (self::debug > 0) {
- error_log('learnpathItem::get_file_path()', 0);
- }
- $path = $this->get_path();
- $type = $this->get_type();
- if (empty($path)) {
- if ($type == 'dokeos_chapter' || $type == 'chapter' || $type == 'dir') {
- return '';
- } else {
- return '-1';
- }
- } elseif ($path == strval(intval($path))) {
-
- switch ($type) {
- case 'dokeos_chapter':
- case 'dir':
- case 'chapter':
- return '';
- case TOOL_DOCUMENT:
- $table_doc = Database::get_course_table(TABLE_DOCUMENT);
- $sql = 'SELECT path
- FROM ' . $table_doc . '
- WHERE
- c_id = ' . $course_id . ' AND
- id = ' . $path;
- $res = Database::query($sql);
- $row = Database::fetch_array($res);
- $real_path = 'document' . $row['path'];
- return $real_path;
- case TOOL_STUDENTPUBLICATION:
- case TOOL_QUIZ:
- case TOOL_FORUM:
- case TOOL_THREAD:
- case TOOL_LINK:
- default:
- return '-1';
- }
- } else {
- if (!empty($path_to_scorm_dir)) {
- $path = $path_to_scorm_dir . $path;
- }
- return $path;
- }
- }
-
- public function get_id()
- {
- if (self::debug > 1) {
- error_log('learnpathItem::get_id()', 0);
- }
- if (!empty($this->db_id)) {
- return $this->db_id;
- }
-
- return 0;
- }
-
- public function load_interactions()
- {
- $this->interactions = array();
- $course_id = api_get_course_int_id();
- $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT id FROM $tbl
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . $this->attempt_id;
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- $lp_iv_id = $row[0];
- $iva_table = Database::get_course_table(TABLE_LP_IV_INTERACTION);
- $sql = "SELECT * FROM $iva_table
- WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id ";
- $res_sql = Database::query($sql);
- while ($row = Database::fetch_array($res_sql)) {
- $this->interactions[$row['interaction_id']] = array(
- $row['interaction_id'],
- $row['interaction_type'],
- $row['weighting'],
- $row['completion_time'],
- $row['correct_responses'],
- $row['student_responses'],
- $row['result'],
- $row['latency']
- );
- }
- }
- }
-
- public function get_interactions_count($checkdb = false)
- {
- if (self::debug > 1) {
- error_log('learnpathItem::get_interactions_count()', 0);
- }
- $return = 0;
- $course_id = api_get_course_int_id();
- if ($checkdb) {
- $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT id FROM $tbl
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id ." AND
- view_count = " . $this->get_attempt_id();
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- $lp_iv_id = $row[0];
- $iva_table = Database::get_course_table(
- TABLE_LP_IV_INTERACTION
- );
- $sql = "SELECT count(id) as mycount
- FROM $iva_table
- WHERE c_id = $course_id AND lp_iv_id = $lp_iv_id ";
- $res_sql = Database::query($sql);
- if (Database::num_rows($res_sql) > 0) {
- $row = Database::fetch_array($res_sql);
- $return = $row['mycount'];
- }
- }
- } else {
- if (!empty($this->interactions_count)) {
- $return = $this->interactions_count;
- }
- }
- return $return;
- }
-
- public function get_interactions_js_array($checkdb = false)
- {
- $return = '';
- if ($checkdb) {
- $this->load_interactions(true);
- }
- foreach ($this->interactions as $id => $in) {
- $return .= "[
- '$id',
- '" . $in[1] . "',
- '" . $in[2] . "',
- '" . $in[3] . "',
- '" . $in[4] . "',
- '" . $in[5] . "',
- '" . $in[6] . "',
- '" . $in[7] . "'],";
- }
- if (!empty($return)) {
- $return = substr($return, 0, -1);
- }
- return $return;
- }
-
- public function get_objectives_count()
- {
- if (self::debug > 1) {
- error_log('learnpathItem::get_objectives_count()', 0);
- }
- $res = 0;
- if (!empty($this->objectives_count)) {
- $res = $this->objectives_count;
- }
- return $res;
- }
-
- public function get_launch_data()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_launch_data()', 0);
- }
- if (!empty($this->launch_data)) {
- return str_replace(
- array("\r", "\n", "'"),
- array('\r', '\n', "\\'"),
- $this->launch_data
- );
- }
- return '';
- }
-
- public function get_lesson_location()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_lesson_location()', 0);
- }
- if (!empty($this->lesson_location)) {
- return str_replace(
- array("\r", "\n", "'"),
- array('\r', '\n', "\\'"),
- $this->lesson_location
- );
- } else {
- return '';
- }
- }
-
- public function get_lesson_mode()
- {
- $mode = 'normal';
- if ($this->get_prevent_reinit() != 0) {
- $my_status = $this->get_status();
- if ($my_status != $this->possible_status[0]
- && $my_status != $this->possible_status[1]) {
- $mode = 'review';
- }
- }
- return $mode;
- }
-
- public function get_level()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_level()', 0);
- }
- if (empty($this->level)) {
- return 0;
- }
- return $this->level;
- }
-
- public function get_mastery_score()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_mastery_score()', 0);
- }
- if (isset($this->mastery_score)) {
- return $this->mastery_score;
- } else {
- return -1;
- }
- }
-
- public function get_max()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_max()', 0);
- }
- if ($this->type == 'sco') {
- if (isset($this->view_max_score) && !empty($this->view_max_score) && $this->view_max_score > 0) {
- return $this->view_max_score;
- } elseif (isset($this->view_max_score) && $this->view_max_score === '') {
- return $this->view_max_score;
- } else {
- if (!empty($this->max_score)) {
- return $this->max_score;
- } else {
- return 100;
- }
- }
- } else {
- if (!empty($this->max_score)) {
- return $this->max_score;
- } else {
- return 100;
- }
- }
- }
-
- public function get_max_time_allowed()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_max_time_allowed()', 0);
- }
- if (!empty($this->max_time_allowed)) {
- return $this->max_time_allowed;
- } else {
- return '';
- }
- }
-
- public function get_min()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_min()', 0);
- }
- if (!empty($this->min_score)) {
- return $this->min_score;
- } else {
- return 0;
- }
- }
-
- public function get_parent()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_parent()', 0);
- }
- if (!empty($this->parent)) {
- return $this->parent;
- }
-
- return null;
- }
-
- public function get_path()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_path()', 0);
- }
- if (empty($this->path)) {
- return '';
- }
- return $this->path;
- }
-
- public function get_prereq_string()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_prereq_string()', 0);
- }
- if (!empty($this->prereq_string)) {
- return $this->prereq_string;
- } else {
- return '';
- }
- }
-
- public function get_prevent_reinit()
- {
- $course_id = api_get_course_int_id();
- if (self::debug > 2) {
- error_log('learnpathItem::get_prevent_reinit()', 0);
- }
- if (!isset($this->prevent_reinit)) {
- if (!empty($this->lp_id)) {
- $table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT prevent_reinit
- FROM $table
- WHERE c_id = $course_id AND id = " . $this->lp_id;
- $res = Database::query($sql);
- if (Database::num_rows($res) < 1) {
- $this->error = "Could not find parent learnpath in lp table";
- if (self::debug > 2) {
- error_log(
- 'New LP - End of learnpathItem::get_prevent_reinit() - Returning false',
- 0
- );
- }
- return false;
- } else {
- $row = Database::fetch_array($res);
- $this->prevent_reinit = $row['prevent_reinit'];
- }
- } else {
-
- $this->prevent_reinit = 1;
- }
- }
- if (self::debug > 2) {
- error_log(
- 'New LP - End of learnpathItem::get_prevent_reinit() - Returned ' . $this->prevent_reinit,
- 0
- );
- }
- return $this->prevent_reinit;
- }
-
- public function get_seriousgame_mode()
- {
- if (self::debug > 2) {
- error_log('learnpathItem::get_seriousgame_mode()', 0);
- }
- $course_id = api_get_course_int_id();
- if (!isset($this->seriousgame_mode)) {
- if (!empty($this->lp_id)) {
- $table = Database::get_course_table(TABLE_LP_MAIN);
- $sql = "SELECT seriousgame_mode
- FROM $table
- WHERE c_id = $course_id AND id = " . $this->lp_id;
- $res = Database::query($sql);
- if (Database::num_rows($res) < 1) {
- $this->error = "Could not find parent learnpath in learnpath table";
- if (self::debug > 2) {
- error_log(
- 'New LP - End of learnpathItem::get_seriousgame_mode() - Returning false',
- 0
- );
- }
- return false;
- } else {
- $row = Database::fetch_array($res);
- $this->seriousgame_mode = isset($row['seriousgame_mode']) ? $row['seriousgame_mode'] : 0;
- }
- } else {
- $this->seriousgame_mode = 0;
- }
- }
- if (self::debug > 2) {
- error_log(
- 'New LP - End of learnpathItem::get_seriousgame_mode() - Returned ' . $this->seriousgame_mode,
- 0
- );
- }
- return $this->seriousgame_mode;
- }
-
- public function get_ref()
- {
- return $this->ref;
- }
-
- public function get_resources_from_source(
- $type = null,
- $abs_path = null,
- $recursivity = 1
- ) {
- $max = 5;
- if ($recursivity > $max) {
- return array();
- }
- if (!isset($type)) {
- $type = $this->get_type();
- }
- if (!isset($abs_path)) {
- $path = $this->get_file_path();
- $abs_path = api_get_path(SYS_COURSE_PATH) . api_get_course_path() . '/' . $path;
- }
- $files_list = array();
- $type = $this->get_type();
- switch ($type) {
- case TOOL_DOCUMENT :
- case TOOL_QUIZ:
- case 'sco':
-
- if (is_file($abs_path)) {
-
-
- $info = pathinfo($abs_path);
- $ext = $info['extension'];
- switch (strtolower($ext)) {
- case 'html':
- case 'htm':
- case 'shtml':
- case 'css':
- $wanted_attributes = array(
- 'src',
- 'url',
- '@import',
- 'href',
- 'value'
- );
-
- $file_content = file_get_contents($abs_path);
-
- $attributes = DocumentManager::parse_HTML_attributes(
- $file_content,
- $wanted_attributes
- );
-
- foreach ($wanted_attributes as $attr) {
- if (isset($attributes[$attr])) {
-
- $sources = $attributes[$attr];
- foreach ($sources as $source) {
-
- if (strpos(
- $source,
- "+this."
- )
- ) {
- continue;
- }
- if (strpos(
- $source,
- '.'
- ) === false
- ) {
- continue;
- }
- if (strpos(
- $source,
- 'mailto:'
- )
- ) {
- continue;
- }
- if (strpos($source, ';') && !strpos(
- $source,
- '&'
- )
- ) {
- continue;
- }
- if ($attr == 'value') {
- if (strpos($source, 'mp3file')) {
- $files_list[] = array(
- substr(
- $source,
- 0,
- strpos(
- $source,
- '.swf'
- ) + 4
- ),
- 'local',
- 'abs'
- );
- $mp3file = substr(
- $source,
- strpos(
- $source,
- 'mp3file='
- ) + 8
- );
- if (substr(
- $mp3file,
- 0,
- 1
- ) == '/'
- ) {
- $files_list[] = array(
- $mp3file,
- 'local',
- 'abs'
- );
- } else {
- $files_list[] = array(
- $mp3file,
- 'local',
- 'rel'
- );
- }
- } elseif (strpos(
- $source,
- 'flv='
- ) === 0
- ) {
- $source = substr($source, 4);
- if (strpos($source, '&') > 0) {
- $source = substr(
- $source,
- 0,
- strpos($source, '&')
- );
- }
- if (strpos(
- $source,
- '://'
- ) > 0
- ) {
- if (strpos(
- $source,
- api_get_path(
- WEB_PATH
- )
- ) !== false
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'url'
- );
- } else {
-
- $files_list[] = array(
- $source,
- 'remote',
- 'url'
- );
- }
- } else {
- $files_list[] = array(
- $source,
- 'local',
- 'abs'
- );
- }
- continue;
-
- }
- }
- if (strpos($source, '://') > 0) {
-
- if (strpos($source, '?') > 0) {
- $second_part = substr(
- $source,
- strpos($source, '?')
- );
- if (strpos(
- $second_part,
- '://'
- ) > 0
- ) {
-
-
- $pos1 = strpos(
- $second_part,
- '='
- );
- $pos2 = strpos(
- $second_part,
- '&'
- );
- $second_part = substr(
- $second_part,
- $pos1 + 1,
- $pos2 - ($pos1 + 1)
- );
- if (strpos(
- $second_part,
- api_get_path(
- WEB_PATH
- )
- ) !== false
- ) {
-
- $files_list[] = array(
- $second_part,
- 'local',
- 'url'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $second_part,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- $files_list[] = array(
- $second_part,
- 'remote',
- 'url'
- );
- }
- } elseif (strpos(
- $second_part,
- '='
- ) > 0
- ) {
- if (substr(
- $second_part,
- 0,
- 1
- ) === '/'
- ) {
-
- $files_list[] = array(
- $second_part,
- 'local',
- 'abs'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $second_part,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } elseif (strstr(
- $second_part,
- '..'
- ) === 0
- ) {
-
- $files_list[] = array(
- $second_part,
- 'local',
- 'rel'
- );
- $dir = dirname(
- $abs_path
- );
- $new_abs_path = realpath(
- $dir . '/' . $second_part
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- if (substr(
- $second_part,
- 0,
- 2
- ) == './'
- ) {
- $second_part = substr(
- $second_part,
- 2
- );
- }
- $files_list[] = array(
- $second_part,
- 'local',
- 'rel'
- );
- $dir = dirname(
- $abs_path
- );
- $new_abs_path = realpath(
- $dir . '/' . $second_part
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- }
- }
-
- $source = substr(
- $source,
- 0,
- strpos($source, '?')
- );
- if (strpos(
- $source,
- '://'
- ) > 0
- ) {
- if (strpos(
- $source,
- api_get_path(
- WEB_PATH
- )
- ) !== false
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'url'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $source,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- $files_list[] = array(
- $source,
- 'remote',
- 'url'
- );
- }
- } else {
-
- if (substr(
- $source,
- 0,
- 1
- ) === '/'
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'abs'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $source,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } elseif (strstr(
- $source,
- '..'
- ) === 0
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'rel'
- );
- $dir = dirname(
- $abs_path
- );
- $new_abs_path = realpath(
- $dir . '/' . $source
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- if (substr(
- $source,
- 0,
- 2
- ) == './'
- ) {
- $source = substr(
- $source,
- 2
- );
- }
- $files_list[] = array(
- $source,
- 'local',
- 'rel'
- );
- $dir = dirname(
- $abs_path
- );
- $new_abs_path = realpath(
- $dir . '/' . $source
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count(
- $in_files_list
- ) > 0
- ) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- }
- }
- }
-
- if (strpos(
- $source,
- api_get_path(WEB_PATH)
- ) !== false
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'url'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $source,
- $recursivity + 1
- );
- if (count($in_files_list) > 0) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- $files_list[] = array(
- $source,
- 'remote',
- 'url'
- );
- }
- } else {
-
- if (substr($source, 0, 1) === '/') {
-
- $files_list[] = array(
- $source,
- 'local',
- 'abs'
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $source,
- $recursivity + 1
- );
- if (count($in_files_list) > 0) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } elseif (strstr(
- $source,
- '..'
- ) === 0
- ) {
-
- $files_list[] = array(
- $source,
- 'local',
- 'rel'
- );
- $dir = dirname($abs_path);
- $new_abs_path = realpath(
- $dir . '/' . $source
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count($in_files_list) > 0) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- } else {
-
- if (strpos(
- $source,
- 'width='
- ) || strpos(
- $source,
- 'autostart='
- )
- ) {
- continue;
- }
- if (substr(
- $source,
- 0,
- 2
- ) == './'
- ) {
- $source = substr(
- $source,
- 2
- );
- }
- $files_list[] = array(
- $source,
- 'local',
- 'rel'
- );
- $dir = dirname($abs_path);
- $new_abs_path = realpath(
- $dir . '/' . $source
- );
- $in_files_list[] = learnpathItem::get_resources_from_source(
- TOOL_DOCUMENT,
- $new_abs_path,
- $recursivity + 1
- );
- if (count($in_files_list) > 0) {
- $files_list = array_merge(
- $files_list,
- $in_files_list
- );
- }
- }
- }
- }
- }
- }
- break;
- default:
- break;
- }
- } else {
-
- return false;
- }
- break;
- default:
- break;
- }
- $checked_files_list = array();
- $checked_array_list = array();
- foreach ($files_list as $idx => $file) {
- if (!empty($file[0])) {
- if (!in_array($file[0], $checked_files_list)) {
- $checked_files_list[] = $files_list[$idx][0];
- $checked_array_list[] = $files_list[$idx];
- }
- }
- }
- return $checked_array_list;
- }
-
- public function get_score()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_score()', 0);
- }
- $res = 0;
- if (!empty($this->current_score)) {
- $res = $this->current_score;
- }
- if (self::debug > 1) {
- error_log(
- 'New LP - Out of learnpathItem::get_score() - returning ' . $res,
- 0
- );
- }
- return $res;
- }
-
- public function get_status($check_db = true, $update_local = false)
- {
- $course_id = api_get_course_int_id();
- $debug = self::debug;
- if ($debug > 0) {
- error_log('learnpathItem::get_status() on item ' . $this->db_id, 0);
- }
- if ($check_db) {
- if ($debug > 2) {
- error_log('learnpathItem::get_status(): checking db', 0);
- }
- if (!empty($this->db_item_view_id)) {
- $table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT status FROM $table
- WHERE
- c_id = $course_id AND
- id = '" . $this->db_item_view_id . "' AND
- view_count = '" . $this->get_attempt_id() . "'";
- if ($debug > 2) {
- error_log(
- 'learnpathItem::get_status() - Checking DB: ' . $sql,
- 0
- );
- }
- $res = Database::query($sql);
- if (Database::num_rows($res) == 1) {
- $row = Database::fetch_array($res);
- if ($update_local) {
- if ($debug > 2) {
- error_log(
- 'learnpathItem::set_status() :' . $row['status'],
- 0
- );
- }
- $this->set_status($row['status']);
- }
- if ($debug > 2) {
- error_log(
- 'learnpathItem::get_status() - Returning db value ' . $row['status'],
- 0
- );
- }
- return $row['status'];
- }
- }
- } else {
- if ($debug > 2) {
- error_log(
- 'learnpathItem::get_status() - in get_status: using attrib',
- 0
- );
- }
- if (!empty($this->status)) {
- if ($debug > 2) {
- error_log(
- 'learnpathItem::get_status() - Returning attrib: ' . $this->status,
- 0
- );
- }
- return $this->status;
- }
- }
- if ($debug > 2) {
- error_log(
- 'learnpathItem::get_status() - Returning default ' . $this->possible_status[0],
- 0
- );
- }
- return $this->possible_status[0];
- }
-
- public function get_suspend_data()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_suspend_data()', 0);
- }
-
-
- if (!empty($this->current_data)) {
- return str_replace(
- array("\r", "\n", "'"),
- array('\r', '\n', "\\'"),
- $this->current_data
- );
- } else {
- return '';
- }
- }
-
- public static function getScormTimeFromParameter($origin = 'php', $time = null)
- {
- $h = get_lang('h');
- if (!isset($time)) {
- if ($origin == 'js') {
- return '00 : 00: 00';
- } else {
- return '00 ' . $h . ' 00 \' 00"';
- }
- } else {
- return api_format_time($time, $origin);
- }
- }
-
- public function get_scorm_time(
- $origin = 'php',
- $given_time = null,
- $query_db = false
- ) {
- $time = null;
- $course_id = api_get_course_int_id();
- if (!isset($given_time)) {
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_scorm_time(): given time empty, current_start_time = ' . $this->current_start_time,
- 0
- );
- }
- if ($query_db === true) {
- $table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT start_time, total_time
- FROM $table
- WHERE
- c_id = $course_id AND
- id = '" . $this->db_item_view_id . "' AND
- view_count = '" . $this->get_attempt_id() . "'";
- $res = Database::query($sql);
- $row = Database::fetch_array($res);
- $start = $row['start_time'];
- $stop = $start + $row['total_time'];
- } else {
- $start = $this->current_start_time;
- $stop = $this->current_stop_time;
- }
- if (!empty($start)) {
- if (!empty($stop)) {
- $time = $stop - $start;
- } else {
- $time = time() - $start;
- }
- }
- } else {
- $time = $given_time;
- }
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_scorm_time(): intermediate = ' . $time,
- 0
- );
- }
- $time = api_format_time($time, $origin);
- return $time;
- }
-
- public function get_terms()
- {
- $lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $course_id = api_get_course_int_id();
- $sql = "SELECT * FROM $lp_item
- WHERE
- c_id = $course_id AND
- id='" . intval($this->db_id) . "'";
- $res = Database::query($sql);
- $row = Database::fetch_array($res);
- return $row['terms'];
- }
-
- public function get_title()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_title()', 0);
- }
- if (empty($this->title)) {
- return '';
- }
- return $this->title;
- }
-
- public function get_total_time()
- {
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::get_total_time() for item ' . $this->db_id .
- ' - Initially, current_start_time = ' . $this->current_start_time .
- ' and current_stop_time = ' . $this->current_stop_time,
- 0
- );
- }
- if ($this->current_start_time == 0) {
-
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_total_time() - Current start time was empty',
- 0
- );
- }
- $this->current_start_time = time();
- }
-
- if (time() < $this->current_stop_time || $this->current_stop_time == 0
- ) {
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_total_time() - Current stop time was '
- .'greater than the current time or was empty',
- 0
- );
- }
-
-
-
- $this->current_stop_time = time();
- }
- $time = $this->current_stop_time - $this->current_start_time;
- if ($time < 0) {
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_total_time() - Time smaller than 0. Returning 0',
- 0
- );
- }
- return 0;
- } else {
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_total_time() - Current start time = ' .
- $this->current_start_time . ', current stop time = ' .
- $this->current_stop_time . ' Returning ' . $time . "-----------\n",
- 0
- );
- }
- return $time;
- }
- }
-
- public function get_type()
- {
- $res = 'asset';
- if (!empty($this->type)) {
- $res = $this->type;
- }
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::get_type() - Returning ' . $res . ' for item ' . $this->db_id,
- 0
- );
- }
- return $res;
- }
-
- public function get_view_count()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::get_view_count()', 0);
- }
- if (!empty($this->attempt_id)) {
- return $this->attempt_id;
- } else {
- return 0;
- }
- }
-
- public function is_done()
- {
- $completedStatusList = array(
- 'completed',
- 'passed',
- 'succeeded',
- 'failed'
- );
- if ($this->status_is($completedStatusList)) {
- if (self::debug > 2) {
- error_log(
- 'learnpath::is_done() - Item ' . $this->get_id(
- ) . ' is complete',
- 0
- );
- }
- return true;
- } else {
- if (self::debug > 2) {
- error_log(
- 'learnpath::is_done() - Item ' . $this->get_id(
- ) . ' is not complete',
- 0
- );
- }
- return false;
- }
- }
-
- public function is_restart_allowed()
- {
- if (self::debug > 2) {
- error_log('learnpathItem::is_restart_allowed()', 0);
- }
- $restart = 1;
- $mystatus = $this->get_status(true);
- if ($this->get_prevent_reinit() > 0
- ) {
-
- if ($mystatus != $this->possible_status[0] && $mystatus != $this->possible_status[1]) {
- $restart = -1;
- } else {
- $restart = 0;
- }
- } else {
- if ($mystatus == $this->possible_status[0] || $mystatus == $this->possible_status[1]) {
- $restart = -1;
- }
- }
- if (self::debug > 2) {
- error_log(
- 'New LP - End of learnpathItem::is_restart_allowed() - Returning ' . $restart,
- 0
- );
- }
- return $restart;
- }
-
- public function open($allow_new_attempt = false)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::open()', 0);
- }
- if ($this->prevent_reinit == 0) {
- $this->current_score = 0;
- $this->current_start_time = time();
-
-
-
-
-
-
-
-
-
- $stat = $this->get_status(true);
- if ($allow_new_attempt && isset($stat) && ($stat != $this->possible_status[0])) {
- $this->attempt_id = $this->attempt_id + 1;
- }
- $this->status = $this->possible_status[1];
- } else {
-
-
- $this->current_start_time = time();
-
- }
- }
-
- public function output()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::output()', 0);
- }
- if (!empty($this->path) and is_file($this->path)) {
- $output = '';
- $output .= file_get_contents($this->path);
- return $output;
- }
- return '';
- }
-
- public function parse_prereq($prereqs_string, $items, $refs_list, $user_id)
- {
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::parse_prereq() for learnpath ' . $this->lp_id . ' with string ' . $prereqs_string,
- 0
- );
- }
- $course_id = api_get_course_int_id();
- $sessionId = api_get_session_id();
-
- $this->prereq_alert = '';
-
-
- if ($prereqs_string == '_true_') {
- return true;
- }
- if ($prereqs_string == '_false_') {
- if (empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return false;
- }
- while (strpos($prereqs_string, '(') !== false) {
-
- $matches = array();
- $res = preg_match_all(
- '/(\(([^\(\)]*)\))/',
- $prereqs_string,
- $matches
- );
- if ($res) {
- foreach ($matches[2] as $id => $match) {
- $str_res = $this->parse_prereq(
- $match,
- $items,
- $refs_list,
- $user_id
- );
- if ($str_res) {
- $prereqs_string = str_replace(
- $matches[1][$id],
- '_true_',
- $prereqs_string
- );
- } else {
- $prereqs_string = str_replace(
- $matches[1][$id],
- '_false_',
- $prereqs_string
- );
- }
- }
- }
- }
-
-
- if (strpos($prereqs_string, '|') === false) {
- if (self::debug > 1) {
- error_log('New LP - Didnt find any OR, looking for AND', 0);
- }
- if (strpos($prereqs_string, '&') !== false) {
- $list = explode('&', $prereqs_string);
- if (count($list) > 1) {
- $andstatus = true;
- foreach ($list as $condition) {
- $andstatus = $andstatus && $this->parse_prereq(
- $condition,
- $items,
- $refs_list,
- $user_id
- );
- if (!$andstatus) {
- if (self::debug > 1) {
- error_log(
- 'New LP - One condition in AND was false, short-circuit',
- 0
- );
- }
- break;
- }
- }
- if (empty($this->prereq_alert) && !$andstatus) {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- }
- return $andstatus;
- } else {
- if (isset($items[$refs_list[$list[0]]])) {
- $status = $items[$refs_list[$list[0]]]->get_status(true);
- $returnstatus = ($status == $this->possible_status[2]) || ($status == $this->possible_status[3]);
- if (empty($this->prereq_alert) && !$returnstatus) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return $returnstatus;
- }
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- return false;
- }
- } else {
-
- if (self::debug > 1) {
- error_log('New LP - Didnt find any AND, looking for =', 0);
- }
- if (strpos($prereqs_string, '=') !== false) {
- if (self::debug > 1) {
- error_log('New LP - Found =, looking into it', 0);
- }
-
- $params = explode('=', $prereqs_string);
- if (count($params) == 2) {
-
- if (isset($items[$refs_list[$params[0]]])) {
- $status = $items[$refs_list[$params[0]]]->get_status(true);
- $returnstatus = $status == $params[1];
- if (empty($this->prereq_alert) && !$returnstatus) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return $returnstatus;
- }
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- return false;
- }
- } else {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Didnt find any =, looking for <>',
- 0
- );
- }
- if (strpos($prereqs_string, '<>') !== false) {
- if (self::debug > 1) {
- error_log('New LP - Found <>, looking into it', 0);
- }
-
- $params = explode('<>', $prereqs_string);
- if (count($params) == 2) {
-
- if (isset($items[$refs_list[$params[0]]])) {
- $status = $items[$refs_list[$params[0]]]->get_status(true);
- $returnstatus = $status != $params[1];
- if (empty($this->prereq_alert) && !$returnstatus) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return $returnstatus;
- }
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- return false;
- }
- } else {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Didnt find any =, looking for ~',
- 0
- );
- }
-
- if (strpos($prereqs_string, '~') !== false) {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Found ~, looking into it',
- 0
- );
- }
- $list = array();
- $myres = preg_match(
- '/~([^(\d+\*)\{]*)/',
- $prereqs_string,
- $list
- );
- if ($myres) {
- $returnstatus = !$this->parse_prereq(
- $list[1],
- $items,
- $refs_list,
- $user_id
- );
- if (empty($this->prereq_alert) && !$returnstatus) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return $returnstatus;
- } else {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Found ~ but strange string: ' . $prereqs_string,
- 0
- );
- }
- }
- } else {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Didnt find any ~, looking for groups',
- 0
- );
- }
-
- $groups = array();
- $groups_there = preg_match_all(
- '/((\d+\*)?\{([^\}]+)\}+)/',
- $prereqs_string,
- $groups
- );
- if ($groups_there) {
- foreach ($groups[1] as $gr) {
-
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Dealing with group ' . $gr,
- 0
- );
- }
- $multi = array();
- $mycond = false;
- if (preg_match(
- '/(\d+)\*\{([^\}]+)\}/',
- $gr,
- $multi
- )
- ) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Found multiplier ' . $multi[0],
- 0
- );
- }
- $count = $multi[1];
- $list = explode(',', $multi[2]);
- $mytrue = 0;
- foreach ($list as $cond) {
- if (isset($items[$refs_list[$cond]])) {
- $status = $items[$refs_list[$cond]]->get_status(true);
- if ($status == $this->possible_status[2] ||
- $status == $this->possible_status[3]
- ) {
- $mytrue++;
- if (self::debug > 1) {
- error_log(
- 'New LP - Found true item, counting.. (' . ($mytrue) . ')',
- 0
- );
- }
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - item ' . $cond . ' does not exist in items list',
- 0
- );
- }
- }
- }
- if ($mytrue >= $count) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Got enough true results, return true',
- 0
- );
- }
- $mycond = true;
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - Not enough true results',
- 0
- );
- }
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - No multiplier',
- 0
- );
- }
- $list = explode(',', $gr);
- $mycond = true;
- foreach ($list as $cond) {
- if (isset($items[$refs_list[$cond]])) {
- $status = $items[$refs_list[$cond]]->get_status(true);
- if ($status == $this->possible_status[2] ||
- $status == $this->possible_status[3]
- ) {
- $mycond = true;
- if (self::debug > 1) {
- error_log(
- 'New LP - Found true item',
- 0
- );
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - ' .
- ' Found false item, the set is not true, return false',
- 0
- );
- }
- $mycond = false;
- break;
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - item ' . $cond . ' does not exist in items list',
- 0
- );
- }
- if (self::debug > 1) {
- error_log(
- 'New LP - Found false item, the set is not true, return false',
- 0
- );
- }
- $mycond = false;
- break;
- }
- }
- }
- if (!$mycond && empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- return $mycond;
- }
- } else {
-
-
- if (self::debug > 1) {
- error_log(
- 'New LP - Didnt find any group, returning value for ' . $prereqs_string,
- 0
- );
- }
- if (isset($refs_list[$prereqs_string]) &&
- isset($items[$refs_list[$prereqs_string]])
- ) {
- if ($items[$refs_list[$prereqs_string]]->type == 'quiz') {
-
- $status = $items[$refs_list[$prereqs_string]]->get_status(true);
- $returnstatus = $status == $this->possible_status[2] || $status == $this->possible_status[3];
- if (!$returnstatus) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' not complete',
- 0
- );
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' complete',
- 0
- );
- }
- }
-
- if ($this->prevent_reinit == 1) {
-
- if ($returnstatus) {
-
- $sql = 'SELECT exe_result, exe_weighting
- FROM ' . Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES) . '
- WHERE
- exe_exo_id = ' . $items[$refs_list[$prereqs_string]]->path . ' AND
- exe_user_id = ' . $user_id . ' AND
- orig_lp_id = ' . $this->lp_id . ' AND
- orig_lp_item_id = ' . $prereqs_string . ' AND
- status <> "incomplete"
- ORDER BY exe_date DESC
- LIMIT 0, 1';
- $rs_quiz = Database::query($sql);
- if ($quiz = Database :: fetch_array($rs_quiz)) {
- $minScore = $items[$refs_list[$this->get_id()]]->getPrerequisiteMinScore();
- $maxScore = $items[$refs_list[$this->get_id()]]->getPrerequisiteMaxScore();
- if (isset($minScore) && isset($minScore)) {
-
- if ($quiz['exe_result'] >= $minScore && $quiz['exe_result'] <= $maxScore) {
- $returnstatus = true;
- } else {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- $returnstatus = false;
- }
- } else {
-
- if ($quiz['exe_result'] >= $items[$refs_list[$prereqs_string]]->get_mastery_score()) {
- $returnstatus = true;
- } else {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- $returnstatus = false;
- }
- }
- } else {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- $returnstatus = false;
- }
- }
- } else {
-
-
- $sql = 'SELECT exe_result, exe_weighting
- FROM ' . Database :: get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES) . '
- WHERE
- exe_exo_id = ' . $items[$refs_list[$prereqs_string]]->path . ' AND
- exe_user_id = ' . $user_id . ' AND
- orig_lp_id = ' . $this->lp_id . ' AND
- orig_lp_item_id = ' . $prereqs_string . ' ';
- $rs_quiz = Database::query($sql);
- if (Database::num_rows($rs_quiz) > 0) {
- while ($quiz = Database :: fetch_array($rs_quiz)) {
- $minScore = $items[$refs_list[$this->get_id()]]->getPrerequisiteMinScore();
- $maxScore = $items[$refs_list[$this->get_id()]]->getPrerequisiteMaxScore();
- if (isset($minScore) && isset($minScore)) {
-
- if ($quiz['exe_result'] >= $minScore && $quiz['exe_result'] <= $maxScore) {
- $returnstatus = true;
- break;
- } else {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- $returnstatus = false;
- }
- } else {
- if ($quiz['exe_result'] >= $items[$refs_list[$prereqs_string]]->get_mastery_score()) {
- $returnstatus = true;
- break;
- } else {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- $returnstatus = false;
- }
- }
- }
- } else {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- $returnstatus = false;
- }
- }
- return $returnstatus;
- } else {
- $status = $items[$refs_list[$prereqs_string]]->get_status(false);
- $returnstatus = $status == $this->possible_status[2] || $status == $this->possible_status[3];
- if (!$returnstatus) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' not complete',
- 0
- );
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' complete',
- 0
- );
- }
- }
- if ($returnstatus && $this->prevent_reinit == 1) {
-
- $lp_item_view = Database::get_course_table(
- TABLE_LP_ITEM_VIEW
- );
- $lp_view = Database::get_course_table(
- TABLE_LP_VIEW
- );
- $sql = 'SELECT id FROM ' . $lp_view . '
- WHERE
- c_id = ' . $course_id . ' AND
- user_id = ' . $user_id . ' AND
- lp_id = ' . $this->lp_id . ' AND
- session_id = '.$sessionId.'
- LIMIT 0, 1';
- $rs_lp = Database::query($sql);
- $lp_id = Database :: fetch_row(
- $rs_lp
- );
- $my_lp_id = $lp_id[0];
- $sql = 'SELECT status FROM ' . $lp_item_view . '
- WHERE
- c_id = ' . $course_id . ' AND
- lp_view_id = ' . $my_lp_id . ' AND
- lp_item_id = ' . $refs_list[$prereqs_string] . '
- LIMIT 0, 1';
- $rs_lp = Database::query($sql);
- $status_array = Database :: fetch_row(
- $rs_lp
- );
- $status = $status_array[0];
- $returnstatus = ($status == $this->possible_status[2]) || ($status == $this->possible_status[3]);
- if (!$returnstatus && empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- }
- if (!$returnstatus) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' not complete',
- 0
- );
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - Prerequisite ' . $prereqs_string . ' complete',
- 0
- );
- }
- }
- }
- return $returnstatus;
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - Could not find ' . $prereqs_string . ' in ' . print_r(
- $refs_list,
- true
- ),
- 0
- );
- }
- }
- }
- }
- }
- }
- }
- } else {
- $list = explode("\|", $prereqs_string);
- if (count($list) > 1) {
- if (self::debug > 1) {
- error_log('New LP - Found OR, looking into it', 0);
- }
- $orstatus = false;
- foreach ($list as $condition) {
- if (self::debug > 1) {
- error_log(
- 'New LP - Found OR, adding it (' . $condition . ')',
- 0
- );
- }
- $orstatus = $orstatus || $this->parse_prereq(
- $condition,
- $items,
- $refs_list,
- $user_id
- );
- if ($orstatus) {
-
- if (self::debug > 1) {
- error_log(
- 'New LP - One condition in OR was true, short-circuit',
- 0
- );
- }
- break;
- }
- }
- if (!$orstatus && empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- }
- return $orstatus;
- } else {
- if (self::debug > 1) {
- error_log(
- 'New LP - OR was found but only one elem present !?',
- 0
- );
- }
- if (isset($items[$refs_list[$list[0]]])) {
- $status = $items[$refs_list[$list[0]]]->get_status(true);
- $returnstatus = $status == 'completed' || $status == 'passed';
- if (!$returnstatus && empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang(
- 'LearnpathPrereqNotCompleted'
- );
- }
-
- return $returnstatus;
- }
- }
- }
- if (empty($this->prereq_alert)) {
- $this->prereq_alert = get_lang('LearnpathPrereqNotCompleted');
- }
- if (self::debug > 1) {
- error_log(
- 'New LP - End of parse_prereq. Error code is now ' . $this->prereq_alert,
- 0
- );
- }
- return false;
- }
-
- public function restart()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::restart()', 0);
- }
- if ($this->type == 'sco') {
-
-
- $this->current_start_time = 0;
- $this->current_stop_time = 0;
- $this->last_scorm_session_time = 0;
- }
- $this->save();
-
- if ($this->get_seriousgame_mode() == 1 && $this->type == 'sco') {
- $this->current_start_time = 0;
- $this->current_stop_time = 0;
- return true;
- }
- $allowed = $this->is_restart_allowed();
- if ($allowed === -1) {
-
- } elseif ($allowed === 1) {
-
- $this->attempt_id = $this->attempt_id + 1;
- $this->current_score = 0;
- $this->current_start_time = 0;
- $this->current_stop_time = 0;
- $this->current_data = '';
- $this->status = $this->possible_status[0];
- $this->interactions_count = 0;
- $this->interactions = array();
- $this->objectives_count = 0;
- $this->objectives = array();
- $this->lesson_location = '';
- if ($this->type != TOOL_QUIZ) {
- $this->write_to_db();
- }
- } else {
-
-
-
- $this->current_start_time = 0;
- $this->current_stop_time = 0;
-
-
- $this->interactions_count = $this->get_interactions_count(true);
- if ($this->type == 'sco') {
- $this->scorm_init_time();
- }
- }
- return true;
- }
-
- public function save($from_outside = true, $prereqs_complete = false)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::save()', 0);
- }
-
-
- if ($this->type == 'sco' || $this->type == 'au') {
- $status = $this->get_status(true);
- if ($this->prevent_reinit == 1 &&
- $status != $this->possible_status[0] &&
- $status != $this->possible_status[1]
- ) {
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::save() - save reinit blocked by setting',
- 0
- );
- }
-
-
- } else {
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::save() - SCORM save request received',
- 0
- );
- }
-
- if ($from_outside) {
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::save() - Getting item data from outside',
- 0
- );
- }
- foreach ($_GET as $param => $value) {
- switch ($param) {
- case 'score':
- $this->set_score($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting score to ' . $value,
- 0
- );
- }
- break;
- case 'max':
- $this->set_max_score($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting view_max_score to ' . $value,
- 0
- );
- }
- break;
- case 'min':
- $this->min_score = $value;
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting min_score to ' . $value,
- 0
- );
- }
- break;
- case 'lesson_status':
- if (!empty($value)) {
- $this->set_status($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting status to ' . $value,
- 0
- );
- }
- }
- break;
- case 'time':
- $this->set_time($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting time to ' . $value,
- 0
- );
- }
- break;
- case 'suspend_data':
- $this->current_data = $value;
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting suspend_data to ' . $value,
- 0
- );
- }
- break;
- case 'lesson_location':
- $this->set_lesson_location($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting lesson_location to ' . $value,
- 0
- );
- }
- break;
- case 'core_exit':
- $this->set_core_exit($value);
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::save() - setting core_exit to ' . $value,
- 0
- );
- }
- break;
- case 'interactions':
-
-
-
-
- break;
- case 'objectives':
- break;
-
-
-
-
- default:
-
- break;
- }
- }
- } else {
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::save() - Using inside item status',
- 0
- );
- }
-
- }
- }
- } else {
- $type = strtolower($this->type);
- switch ($type) {
- case 'asset':
- if ($prereqs_complete) {
- $this->set_status($this->possible_status[2]);
- }
- break;
- case TOOL_HOTPOTATOES:
- break;
- case TOOL_QUIZ:
- return false;
- break;
- default:
-
-
- if ($prereqs_complete) {
- $this->set_status($this->possible_status[2]);
- }
- break;
- }
- }
- if (self::debug > 1) {
- error_log(
- 'New LP - End of learnpathItem::save() - Calling write_to_db()',
- 0
- );
- }
- return $this->write_to_db();
- }
-
- public function set_attempt_id($num)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_attempt_id()', 0);
- }
- if ($num == strval(intval($num)) && $num >= 0) {
- $this->attempt_id = $num;
- return true;
- }
- return false;
- }
-
- public function set_core_exit($value)
- {
- switch ($value) {
- case '':
- $this->core_exit = '';
- break;
- case 'suspend':
- $this->core_exit = 'suspend';
- break;
- default:
- $this->core_exit = 'none';
- break;
- }
- return true;
- }
-
- public function set_description($string = '')
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_description()', 0);
- }
- if (!empty($string)) {
- $this->description = $string;
- }
- }
-
- public function set_lesson_location($location)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_lesson_location()', 0);
- }
- if (isset($location)) {
- $this->lesson_location = $location;
- return true;
- }
- return false;
- }
-
- public function set_level($int = 0)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_level(' . $int . ')', 0);
- }
- if (!empty($int) AND $int == strval(intval($int))) {
- $this->level = $int;
- }
- }
-
- public function set_lp_view($lp_view_id, $course_id = null)
- {
- $lp_view_id = intval($lp_view_id);
- if (empty($course_id)) {
- $course_id = api_get_course_int_id();
- } else {
- $course_id = intval($course_id);
- }
- $lpItemId = $this->get_id();
- if (empty($lpItemId)) {
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::set_lp_view(' . $lp_view_id . ') $lpItemId is empty',
- 0
- );
- }
- return false;
- }
- if (empty($lp_view_id)) {
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::set_lp_view(' . $lp_view_id . ') $lp_view_id is empty',
- 0
- );
- }
- return false;
- }
- if (self::debug > 0) {
- error_log('learnpathItem::set_lp_view(' . $lp_view_id . ')', 0);
- }
- $this->view_id = $lp_view_id;
- $item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
-
- $sql = "SELECT * FROM $item_view_table
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $lpItemId . " AND
- lp_view_id = " . $lp_view_id . "
- ORDER BY view_count DESC";
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::set_lp_view() - Querying lp_item_view: ' . $sql,
- 0
- );
- }
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- $this->db_item_view_id = $row['id'];
- $this->attempt_id = $row['view_count'];
- $this->current_score = $row['score'];
- $this->current_data = $row['suspend_data'];
- $this->view_max_score = $row['max_score'];
- $this->status = $row['status'];
- $this->current_start_time = $row['start_time'];
- $this->current_stop_time = $this->current_start_time + $row['total_time'];
- $this->lesson_location = $row['lesson_location'];
- $this->core_exit = $row['core_exit'];
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::set_lp_view() - Updated item object with database values',
- 0
- );
- }
-
- $item_view_interaction_table = Database::get_course_table(
- TABLE_LP_IV_INTERACTION
- );
- $sql = "SELECT * FROM $item_view_interaction_table
- WHERE
- c_id = $course_id AND
- lp_iv_id = '" . $this->db_item_view_id . "'";
- $res = Database::query($sql);
- if ($res !== false) {
- $this->interactions_count = Database::num_rows($res);
- } else {
- $this->interactions_count = 0;
- }
-
- $item_view_objective_table = Database::get_course_table(
- TABLE_LP_IV_OBJECTIVE
- );
- $sql = "SELECT * FROM $item_view_objective_table
- WHERE
- c_id = $course_id AND
- lp_iv_id = '" . $this->db_item_view_id . "'";
- $res = Database::query($sql);
- if ($res !== false) {
- $this->objectives_count = Database::num_rows($res);
- } else {
- $this->objectives_count = 0;
- }
- }
-
- if (self::debug > 2) {
- error_log('New LP - End of learnpathItem::set_lp_view()', 0);
- }
- return true;
- }
-
- public function set_path($string = '')
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_path()', 0);
- }
- if (!empty($string)) {
- $this->path = $string;
- }
- }
-
- public function set_prevent_reinit($prevent)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_prevent_reinit()', 0);
- }
- if ($prevent) {
- $this->prevent_reinit = 1;
- } else {
- $this->prevent_reinit = 0;
- }
- }
-
- public function set_score($score)
- {
- $debug = self::debug;
- if ($debug > 0) {
- error_log('learnpathItem::set_score(' . $score . ')', 0);
- }
- if (($this->max_score <= 0 || $score <= $this->max_score) && ($score >= $this->min_score)) {
- $this->current_score = $score;
- $masteryScore = $this->get_mastery_score();
- $current_status = $this->get_status(false);
-
- if ($masteryScore == -1) {
- $masteryScore = $this->max_score;
- }
- if ($debug > 0) {
- error_log('get_mastery_score: ' . $masteryScore);
- error_log('current_status: ' . $current_status);
- error_log('current score : ' . $this->current_score);
- }
-
-
-
-
- return true;
- }
- return false;
- }
-
- public function set_max_score($score)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_max_score(' . $score . ')', 0);
- }
- if (is_int($score) || $score == '') {
- $this->view_max_score = $score;
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::set_max_score() - ' .
- 'Updated object score of item ' . $this->db_id .
- ' to ' . $this->view_max_score,
- 0
- );
- }
- return true;
- }
- return false;
- }
-
- public function set_status($status)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_status(' . $status . ')', 0);
- }
- $found = false;
- foreach ($this->possible_status as $possible) {
- if (preg_match('/^' . $possible . '$/i', $status)) {
- $found = true;
- }
- }
- if ($found) {
- $this->status = $status;
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::set_status() - '.
- 'Updated object status of item ' . $this->db_id .
- ' to ' . $this->status,
- 0
- );
- }
- return true;
- }
- $this->status = $this->possible_status[0];
- return false;
- }
-
- public function set_terms($terms)
- {
- global $charset;
- $course_id = api_get_course_int_id();
- $lp_item = Database::get_course_table(TABLE_LP_ITEM);
- require_once api_get_path(
- LIBRARY_PATH
- ) . 'search/ChamiloIndexer.class.php';
- $a_terms = preg_split('/,/', $terms);
- $i_terms = preg_split('/,/', $this->get_terms());
- foreach ($i_terms as $term) {
- if (!in_array($term, $a_terms)) {
- array_push($a_terms, $term);
- }
- }
- $new_terms = $a_terms;
- $new_terms_string = implode(',', $new_terms);
-
- $terms = Database::escape_string(api_htmlentities($new_terms_string, ENT_QUOTES, $charset));
- $sql = "UPDATE $lp_item
- SET terms = '$terms'
- WHERE
- c_id = $course_id AND
- id=" . $this->get_id();
- Database::query($sql);
-
- if (api_get_setting('search_enabled') == 'true') {
- $di = new ChamiloIndexer();
- $di->update_terms($this->get_search_did(), $new_terms, 'T');
- }
- return true;
- }
-
- public function get_search_did()
- {
- return $this->search_did;
- }
-
- public function set_time($scorm_time, $format = 'scorm')
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_time(' . $scorm_time . ')', 0);
- }
- if ($scorm_time == '0'
- and ($this->type != 'sco')
- and $this->current_start_time != 0)
- {
- $my_time = time() - $this->current_start_time;
- if ($my_time > 0) {
- $this->update_time($my_time);
- if (self::debug > 0) {
- error_log(
- 'learnpathItem::set_time(' . $scorm_time . ') - ' .
- 'found asset - set time to ' . $my_time,
- 0
- );
- }
- }
- } else {
- switch ($format) {
- case 'scorm':
- $res = array();
- if (preg_match(
- '/^(\d{1,4}):(\d{2}):(\d{2})(\.\d{1,4})?/',
- $scorm_time,
- $res
- )
- ) {
- $time = time();
- $hour = $res[1];
- $min = $res[2];
- $sec = $res[3];
-
- $total_sec = $hour * 3600 + $min * 60 + $sec;
- $this->scorm_update_time($total_sec);
- }
- break;
- case 'int':
- $this->scorm_update_time($scorm_time);
- break;
- }
- }
- }
-
- public function set_title($string = '')
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_title()', 0);
- }
- if (!empty($string)) {
- $this->title = $string;
- }
- }
-
- public function set_type($string = '')
- {
- if (self::debug > 0) {
- error_log('learnpathItem::set_type()', 0);
- }
- if (!empty($string)) {
- $this->type = $string;
- }
- }
-
- public function status_is($list = array())
- {
- if (self::debug > 1) {
- error_log(
- 'learnpathItem::status_is(' . print_r(
- $list,
- true
- ) . ') on item ' . $this->db_id,
- 0
- );
- }
- $currentStatus = $this->get_status(true);
- if (empty($currentStatus)) {
- return false;
- }
- $found = false;
- foreach ($list as $status) {
- if (preg_match('/^' . $status . '$/i', $currentStatus)) {
- if (self::debug > 2) {
- error_log(
- 'New LP - learnpathItem::status_is() - Found status ' .
- $status . ' corresponding to current status',
- 0
- );
- }
- $found = true;
- return $found;
- }
- }
- if (self::debug > 2) {
- error_log(
- 'New LP - learnpathItem::status_is() - Status ' .
- $currentStatus . ' did not match request',
- 0
- );
- }
- return $found;
- }
-
- public function update_time($total_sec = 0)
- {
- if (self::debug > 0) {
- error_log('learnpathItem::update_time(' . $total_sec . ')', 0);
- }
- if ($total_sec >= 0) {
-
-
- $now = time();
- $start = $now - $total_sec;
- $this->current_start_time = $start;
- $this->current_stop_time = $now;
-
- }
- }
-
- public function scorm_update_time($total_sec = 0)
- {
- if (self::debug > 0) {
- error_log('Funcion called: scorm_update_time');
- }
- if (self::debug > 0) {
- error_log("total_sec: $total_sec");
- }
-
- $item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $course_id = api_get_course_int_id();
- $get_view_sql = 'SELECT total_time, status FROM ' . $item_view_table . '
- WHERE c_id = ' . $course_id . '
- AND lp_item_id="' . $this->db_id . '"
- AND lp_view_id="' . $this->view_id . '"
- AND view_count="' . $this->attempt_id . '" ;';
- $result = Database::query($get_view_sql);
- $row = Database::fetch_array($result);
- if (!isset($row['total_time'])) {
- $total_time = 0;
- } else {
- $total_time = $row['total_time'];
- }
- if (self::debug > 0) {
- error_log("total_time: $total_time");
- }
-
- if (api_get_setting('scorm_cumulative_session_time') != 'false') {
- $total_time += $total_sec;
-
- } else {
-
- $total_time = $total_time - $this->last_scorm_session_time + $total_sec;
- $this->last_scorm_session_time = $total_sec;
- }
-
- $case_completed = array(
- 'completed',
- 'passed',
- 'browsed',
- 'failed'
- );
- if ($this->seriousgame_mode != 1 ||
- !in_array($row['status'], $case_completed)
- ) {
- $sql = "UPDATE $item_view_table
- SET total_time = '$total_time'
- WHERE c_id = $course_id
- AND lp_item_id = {$this->db_id}
- AND lp_view_id = {$this->view_id}
- AND view_count = {$this->attempt_id}";
- if (self::debug > 0) {
- error_log($sql);
- }
- Database::query($sql);
- }
- }
-
- public function scorm_init_time()
- {
- $item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $course_id = api_get_course_int_id();
- $sql = 'UPDATE ' . $item_view_table . '
- SET total_time = 0, start_time=' . time() . '
- WHERE c_id = ' . $course_id . '
- AND lp_item_id="' . $this->db_id . '"
- AND lp_view_id="' . $this->view_id . '"
- AND view_count="' . $this->attempt_id . '" ;';
- Database::query($sql);
- }
-
- public function write_objectives_to_db()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::write_objectives_to_db()', 0);
- }
- $course_id = api_get_course_int_id();
- if (is_array($this->objectives) && count($this->objectives) > 0) {
-
- $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT id
- FROM $tbl
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . $this->attempt_id;
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- $lp_iv_id = $row[0];
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Got item_view_id ' .
- $lp_iv_id . ', now checking objectives ',
- 0
- );
- }
- foreach ($this->objectives as $index => $objective) {
- $iva_table = Database::get_course_table(
- TABLE_LP_IV_OBJECTIVE
- );
- $iva_sql = "SELECT id FROM $iva_table
- WHERE
- c_id = $course_id AND
- lp_iv_id = $lp_iv_id AND
- objective_id = '" . Database::escape_string($objective[0]) . "'";
- $iva_res = Database::query($iva_sql);
-
-
-
- if (Database::num_rows($iva_res) > 0) {
-
- $iva_row = Database::fetch_array($iva_res);
- $iva_id = $iva_row[0];
- $ivau_sql = "UPDATE $iva_table " .
- "SET objective_id = '" . Database::escape_string(
- $objective[0]
- ) . "'," .
- "status = '" . Database::escape_string(
- $objective[1]
- ) . "'," .
- "score_raw = '" . Database::escape_string(
- $objective[2]
- ) . "'," .
- "score_min = '" . Database::escape_string(
- $objective[4]
- ) . "'," .
- "score_max = '" . Database::escape_string(
- $objective[3]
- ) . "' " .
- "WHERE c_id = $course_id AND id = $iva_id";
- Database::query($ivau_sql);
- } else {
-
- $params = array(
- 'c_id' => $course_id,
- 'lp_iv_id' => $lp_iv_id,
- 'order_id' => $index,
- 'objective_id' => $objective[0],
- 'status' => $objective[1],
- 'score_raw' => $objective[2],
- 'score_min' => $objective[4],
- 'score_max' => $objective[3]
- );
- $insertId = Database::insert($iva_table, $params);
- $sql = "UPDATE $iva_table SET id = iid WHERE iid = $insertId";
- Database::query($sql);
- }
- }
- }
- }
- }
-
- public function write_to_db()
- {
- if (self::debug > 0) {
- error_log('learnpathItem::write_to_db()', 0);
- }
-
- if (!api_is_allowed_to_session_edit()) {
- if (self::debug > 0) {
- error_log('return false api_is_allowed_to_session_edit');
- }
- return false;
- }
- $course_id = api_get_course_int_id();
- $mode = $this->get_lesson_mode();
- $credit = $this->get_credit();
- $item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = 'SELECT status FROM ' . $item_view_table . '
- WHERE
- c_id = ' . $course_id . ' AND
- lp_item_id="' . $this->db_id . '" AND
- lp_view_id="' . $this->view_id . '" AND
- view_count="' . $this->get_attempt_id() . '" ';
- $rs_verified = Database::query($sql);
- $row_verified = Database::fetch_array($rs_verified);
- $my_case_completed = array(
- 'completed',
- 'passed',
- 'browsed',
- 'failed'
- );
- $save = true;
- if (isset($row_verified) && isset($row_verified['status'])) {
- if (in_array($row_verified['status'], $my_case_completed)) {
- $save = false;
- }
- }
- if ((($save === false && $this->type == 'sco') ||
- ($this->type == 'sco' && ($credit == 'no-credit' || $mode == 'review' || $mode == 'browse'))) &&
- ($this->seriousgame_mode != 1 && $this->type == 'sco')
- ) {
- if (self::debug > 1) {
- error_log(
- "This info shouldn't be saved as the credit or lesson mode info prevent it"
- );
- error_log(
- 'learnpathItem::write_to_db() - credit(' . $credit . ') or'.
- ' lesson_mode(' . $mode . ') prevent recording!',
- 0
- );
- }
- } else {
-
- $inserted = false;
-
- if ($this->type == 'quiz' &&
- $this->get_prevent_reinit() == 0 &&
- $this->get_status() == 'completed'
- ) {
-
- $this->restart();
- $params = array(
- "c_id" => $course_id,
- "total_time" => $this->get_total_time(),
- "start_time" => $this->current_start_time,
- "score" => $this->get_score(),
- "status" => $this->get_status(false),
- "max_score" => $this->get_max(),
- "lp_item_id" => $this->db_id,
- "lp_view_id" => $this->view_id,
- "view_count" => $this->get_attempt_id() ,
- "suspend_data" => $this->current_data,
-
- "lesson_location" => $this->lesson_location
- );
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Inserting into item_view forced: ' . print_r($params, 1),
- 0
- );
- }
- $this->db_item_view_id = Database::insert($item_view_table, $params);
- if ($this->db_item_view_id) {
- $sql = "UPDATE $item_view_table SET id = iid
- WHERE iid = " . $this->db_item_view_id;
- Database::query($sql);
- $inserted = true;
- }
- }
- $item_view_table = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT * FROM $item_view_table
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . intval($this->get_attempt_id());
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Querying item_view: ' . $sql,
- 0
- );
- }
- $check_res = Database::query($sql);
-
-
- if (!$inserted && Database::num_rows($check_res) < 1) {
- $params = array(
- "c_id" => $course_id,
- "total_time" => $this->get_total_time(),
- "start_time" => $this->current_start_time,
- "score" => $this->get_score(),
- "status" => $this->get_status(false),
- "max_score" => $this->get_max(),
- "lp_item_id" => $this->db_id,
- "lp_view_id" => $this->view_id,
- "view_count" => $this->get_attempt_id() ,
- "suspend_data" => $this->current_data,
-
- "lesson_location" => $this->lesson_location
- );
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Inserting into item_view forced: ' . print_r($params, 1),
- 0
- );
- }
- $this->db_item_view_id = Database::insert($item_view_table, $params);
- if ($this->db_item_view_id) {
- $sql = "UPDATE $item_view_table SET id = iid
- WHERE iid = " . $this->db_item_view_id;
- Database::query($sql);
- }
- } else {
- if ($this->type == 'hotpotatoes') {
- $params = array(
- 'total_time' => $this->get_total_time(),
- 'start_time' => $this->get_current_start_time(),
- 'score' => $this->get_score(),
- 'status' => $this->get_status(false),
- 'max_score' => $this->get_max(),
- 'suspend_data' => $this->current_data,
- 'lesson_location' => $this->lesson_location
- );
- $where = array(
- 'c_id = ? AND lp_item_id = ? AND lp_view_id = ? AND view_count = ?' =>
- array($course_id, $this->db_id, $this->view_id, $this->get_attempt_id())
- );
- Database::update($item_view_table, $params, $where);
- } else {
-
- if ($this->type == 'quiz') {
- $my_status = ' ';
- $total_time = ' ';
- if (!empty($_REQUEST['exeId'])) {
- $TBL_TRACK_EXERCICES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
- $safe_exe_id = intval($_REQUEST['exeId']);
- $sql = "SELECT start_date,exe_date
- FROM $TBL_TRACK_EXERCICES
- WHERE exe_id = $safe_exe_id";
- $res = Database::query($sql);
- $row_dates = Database::fetch_array($res);
- $time_start_date = convert_sql_date(
- $row_dates['start_date']
- );
- $time_exe_date = convert_sql_date(
- $row_dates['exe_date']
- );
- $mytime = ((int)$time_exe_date - (int)$time_start_date);
- $total_time = " total_time = " . $mytime . ", ";
- }
- } else {
- $my_type_lp = learnpath::get_type_static($this->lp_id);
-
- $case_completed = array(
- 'completed',
- 'passed',
- 'browsed',
- 'failed'
- );
-
- if ($this->seriousgame_mode == 1 && $this->type == 'sco') {
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } elseif ($this->get_prevent_reinit() == 1) {
-
- $sql = 'SELECT status FROM ' . $item_view_table . '
- WHERE
- c_id = ' . $course_id . ' AND
- lp_item_id="' . $this->db_id . '" AND
- lp_view_id="' . $this->view_id . '" AND
- view_count="' . $this->get_attempt_id() . '"
- ';
- $rs_verified = Database::query($sql);
- $row_verified = Database::fetch_array($rs_verified);
-
-
- if (!in_array($this->get_status(false), $case_completed) &&
- $my_type_lp == 2
- ) {
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } else {
-
- if (!in_array($row_verified['status'], $case_completed) &&
- $my_type_lp == 2
- ) {
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } elseif (in_array($row_verified['status'], $case_completed ) &&
- $my_type_lp == 2 && $this->type != 'sco'
- ) {
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } else {
- if (($my_type_lp == 3 && $this->type == 'au') ||
- ($my_type_lp == 1 && $this->type != 'chapter')) {
-
- $total_time = " total_time = total_time + " . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- }
- }
- }
- } else {
-
- if (in_array(
- $this->get_status(false),
- $case_completed
- ) && $my_type_lp == 2
- ) {
-
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } elseif (!in_array($this->get_status(false), $case_completed) &&
- $my_type_lp == 2
- ) {
- $total_time = " total_time = " . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- } else {
-
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- $my_status = " status = '" . $this->get_status(false) . "' ,";
- }
-
- if ($my_type_lp == 2) {
-
- $sql = 'SELECT status FROM ' . $item_view_table . '
- WHERE
- c_id = ' . $course_id . ' AND
- lp_item_id="' . $this->db_id . '" AND
- lp_view_id="' . $this->view_id . '" AND
- view_count="' . $this->get_attempt_id() . '" ';
- $rs_status = Database::query($sql);
- $current_status = Database::result(
- $rs_status,
- 0,
- 'status'
- );
- if (in_array($current_status, $case_completed)) {
- $my_status = '';
- $total_time = '';
- } else {
- $total_time = " total_time = total_time +" . $this->get_total_time() . ", ";
- }
- }
- }
- }
- if ($this->type == 'sco') {
-
-
-
- $sql = "UPDATE $item_view_table SET
- score = " . $this->get_score() . ",
- $my_status
- max_score = '" . $this->get_max() . "',
- suspend_data = '" . Database::escape_string($this->current_data) . "',
- lesson_location = '" . $this->lesson_location . "'
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . $this->get_attempt_id();
- } else {
-
- $sql = "UPDATE $item_view_table SET
- $total_time
- start_time = " . $this->get_current_start_time() . ",
- score = " . $this->get_score() . ",
- $my_status
- max_score = '" . $this->get_max() . "',
- suspend_data = '" . Database::escape_string($this->current_data) . "',
- lesson_location = '" . $this->lesson_location . "'
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . $this->get_attempt_id();
- }
- $this->current_start_time = time();
- }
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Updating item_view: ' . $sql,
- 0
- );
- }
- Database::query($sql);
- }
- if (is_array($this->interactions) && count($this->interactions) > 0) {
-
- $tbl = Database::get_course_table(TABLE_LP_ITEM_VIEW);
- $sql = "SELECT id FROM $tbl
- WHERE
- c_id = $course_id AND
- lp_item_id = " . $this->db_id . " AND
- lp_view_id = " . $this->view_id . " AND
- view_count = " . $this->get_attempt_id();
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- $lp_iv_id = $row[0];
- if (self::debug > 2) {
- error_log(
- 'learnpathItem::write_to_db() - Got item_view_id ' .
- $lp_iv_id . ', now checking interactions ',
- 0
- );
- }
- foreach ($this->interactions as $index => $interaction) {
- $correct_resp = '';
- if (is_array(
- $interaction[4]
- ) && !empty($interaction[4][0])
- ) {
- foreach ($interaction[4] as $resp) {
- $correct_resp .= $resp . ',';
- }
- $correct_resp = substr(
- $correct_resp,
- 0,
- strlen($correct_resp) - 1
- );
- }
- $iva_table = Database::get_course_table(
- TABLE_LP_IV_INTERACTION
- );
-
- $iva_sql = "SELECT id FROM $iva_table
- WHERE
- c_id = $course_id AND
- lp_iv_id = $lp_iv_id AND
- (
- order_id = $index OR
- interaction_id = '" . Database::escape_string($interaction[0]) . "'
- )
- ";
- $iva_res = Database::query($iva_sql);
-
- if (Database::num_rows($iva_res) > 0) {
-
- $iva_row = Database::fetch_array($iva_res);
- $iva_id = $iva_row[0];
-
- $params = array(
- 'interaction_id' => $interaction[0],
- 'interaction_type' => $interaction[1],
- 'weighting' => $interaction[3],
- 'completion_time' => $interaction[2],
- 'correct_responses' => $correct_resp,
- 'student_response' => $interaction[5],
- 'result' => $interaction[6],
- 'latency' => $interaction[7]
- );
- Database::update(
- $iva_table,
- $params,
- array(
- 'c_id = ? AND id = ?' => array(
- $course_id,
- $iva_id
- )
- )
- );
- } else {
-
- $params = array(
- 'c_id' => $course_id,
- 'order_id' => $index,
- 'lp_iv_id' => $lp_iv_id,
- 'interaction_id' => $interaction[0],
- 'interaction_type' => $interaction[1],
- 'weighting' => $interaction[3],
- 'completion_time' => $interaction[2],
- 'correct_responses' => $correct_resp,
- 'student_response' => $interaction[5],
- 'result' => $interaction[6],
- 'latency' => $interaction[7]
- );
- $insertId = Database::insert($iva_table, $params);
- if ($insertId) {
- $sql = "UPDATE $iva_table SET id = iid
- WHERE iid = $insertId";
- Database::query($sql);
- }
- }
- }
- }
- }
- }
- if (self::debug > 2) {
- error_log('End of learnpathItem::write_to_db()', 0);
- }
- return true;
- }
-
- public function add_audio()
- {
- $course_info = api_get_course_info();
- $filepath = api_get_path(SYS_COURSE_PATH) . $course_info['path'] . '/document/';
- if (!is_dir($filepath . 'audio')) {
- mkdir(
- $filepath . 'audio',
- api_get_permissions_for_new_directories()
- );
- $audio_id = add_document(
- $course_info,
- '/audio',
- 'folder',
- 0,
- 'audio'
- );
- api_item_property_update(
- $course_info,
- TOOL_DOCUMENT,
- $audio_id,
- 'FolderCreated',
- api_get_user_id(),
- null,
- null,
- null,
- null,
- api_get_session_id()
- );
- api_item_property_update(
- $course_info,
- TOOL_DOCUMENT,
- $audio_id,
- 'invisible',
- api_get_user_id(),
- null,
- null,
- null,
- null,
- api_get_session_id()
- );
- }
- $key = 'file';
- if (!isset($_FILES[$key]['name']) || !isset($_FILES[$key]['tmp_name'])) {
- return false;
- }
- $result = DocumentManager::upload_document(
- $_FILES,
- '/audio',
- null,
- null,
- 0,
- 'rename',
- false,
- false
- );
- $file_path = null;
- if ($result) {
- $file_path = basename($result['path']);
-
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "UPDATE $tbl_lp_item SET
- audio = '" . Database::escape_string($file_path) . "'
- WHERE
- c_id = {$course_info['real_id']} AND
- id = '" . intval($this->db_id) . "'";
- Database::query($sql);
- }
- return $file_path;
- }
-
- public function add_audio_from_documents($doc_id)
- {
- $course_info = api_get_course_info();
- $document_data = DocumentManager::get_document_data_by_id(
- $doc_id,
- $course_info['code']
- );
- if (!empty($document_data)) {
- $file_path = basename($document_data['path']);
-
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $sql = "UPDATE $tbl_lp_item SET
- audio = '" . Database::escape_string($file_path) . "'
- WHERE
- c_id = {$course_info['real_id']} AND
- id = " . intval($this->db_id);
- Database::query($sql);
- }
- return $file_path;
- }
-
- public function remove_audio()
- {
- $tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
- $course_id = api_get_course_int_id();
- if (empty($this->db_id)) {
- return false;
- }
- $sql = "UPDATE $tbl_lp_item SET
- audio = ''
- WHERE c_id = $course_id AND id IN (" . $this->db_id . ")";
- Database::query($sql);
- }
-
- static function humanize_status($status, $decorate = true, $type = 'classic')
- {
- $statusList = array(
- 'completed' => 'ScormCompstatus',
- 'incomplete' => 'ScormIncomplete',
- 'failed' => 'ScormFailed',
- 'passed' => 'ScormPassed',
- 'browsed' => 'ScormBrowsed',
- 'not attempted' => 'ScormNotAttempted'
- );
- $myLessonStatus = get_lang($statusList[$status]);
- switch ($status) {
- case 'completed':
- case 'browsed':
- $classStatus = 'info';
- break;
- case 'incomplete':
- $classStatus = 'warning';
- break;
- case 'passed':
- $classStatus = 'success';
- break;
- case 'failed':
- $classStatus = 'important';
- break;
- default:
- $classStatus = 'default';
- break;
- }
- if ($type == 'simple') {
- if (in_array($status, array('failed', 'passed', 'browsed'))) {
- $myLessonStatus = get_lang('ScormIncomplete');;
- $classStatus = 'warning';
- }
- }
- if ($decorate) {
- return Display::label($myLessonStatus, $classStatus);
- } else {
- return $myLessonStatus;
- }
- }
-
- public function getPrerequisiteMaxScore()
- {
- return $this->prerequisiteMaxScore;
- }
-
- public function setPrerequisiteMaxScore($prerequisiteMaxScore)
- {
- $this->prerequisiteMaxScore = $prerequisiteMaxScore;
- }
-
- public function getPrerequisiteMinScore()
- {
- return $this->prerequisiteMinScore;
- }
-
- public function setPrerequisiteMinScore($prerequisiteMinScore)
- {
- $this->prerequisiteMinScore = $prerequisiteMinScore;
- }
-
- public function lpItemHasThread($lpCourseId)
- {
- $forumThreadTable = Database::get_course_table(TABLE_FORUM_THREAD);
- $itemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $fakeFrom = "
- $forumThreadTable ft
- INNER JOIN $itemProperty ip
- ON (ft.thread_id = ip.ref AND ft.c_id = ip.c_id)
- ";
- $resultData = Database::select(
- 'COUNT(ft.iid) AS qty',
- $fakeFrom,
- [
- 'where' => [
- 'ip.visibility != ? AND ' => 2,
- 'ip.tool = ? AND ' => TOOL_FORUM_THREAD,
- 'ft.c_id = ? AND ' => intval($lpCourseId),
- '(ft.lp_item_id = ? OR (ft.thread_title = ? AND ft.lp_item_id = ?))' => [
- intval($this->db_id),
- "{$this->title} - {$this->db_id}",
- intval($this->db_id)
- ]
- ]
- ],
- 'first'
- );
- if ($resultData['qty'] > 0) {
- return true;
- }
- return false;
- }
-
- public function getForumThread($lpCourseId, $lpSessionId = 0)
- {
- $lpSessionId = intval($lpSessionId);
- $forumThreadTable = Database::get_course_table(TABLE_FORUM_THREAD);
- $itemProperty = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $fakeFrom = "$forumThreadTable ft
- INNER JOIN $itemProperty ip ";
- if ($lpSessionId == 0) {
- $fakeFrom .= "
- ON (
- ft.thread_id = ip.ref AND ft.c_id = ip.c_id AND (
- ft.session_id = ip.session_id OR ip.session_id IS NULL
- )
- )
- ";
- } else {
- $fakeFrom .= "
- ON (
- ft.thread_id = ip.ref AND ft.c_id = ip.c_id AND ft.session_id = ip.session_id
- )
- ";
- }
- $resultData = Database::select(
- 'ft.*',
- $fakeFrom,
- [
- 'where' => [
- 'ip.visibility != ? AND ' => 2,
- 'ip.tool = ? AND ' => TOOL_FORUM_THREAD,
- 'ft.session_id = ? AND ' => $lpSessionId,
- 'ft.c_id = ? AND ' => intval($lpCourseId),
- '(ft.lp_item_id = ? OR (ft.thread_title = ? AND ft.lp_item_id = ?))' => [
- intval($this->db_id),
- "{$this->title} - {$this->db_id}",
- intval($this->db_id)
- ]
- ]
- ],
- 'first'
- );
- if (empty($resultData)) {
- return false;
- }
- return $resultData;
- }
-
- public function createForumThread($currentForumId)
- {
- require_once api_get_path(SYS_CODE_PATH) . '/forum/forumfunction.inc.php';
- $em = Database::getManager();
- $threadRepo = $em->getRepository('ChamiloCourseBundle:CForumThread');
- $forumThread = $threadRepo->findOneBy([
- 'threadTitle' => "{$this->title} - {$this->db_id}",
- 'forumId' => intval($currentForumId)
- ]);
- if (!$forumThread) {
- $forumInfo = get_forum_information($currentForumId);
- store_thread(
- $forumInfo,
- [
- 'forum_id' => intval($currentForumId),
- 'thread_id' => 0,
- 'gradebook' => 0,
- 'post_title' => "{$this->name} - {$this->db_id}",
- 'post_text' => $this->description,
- 'category_id' => 1,
- 'numeric_calification' => 0,
- 'calification_notebook_title' => 0,
- 'weight_calification' => 0.00,
- 'thread_peer_qualify' => 0,
- 'lp_item_id' => $this->db_id
- ],
- [],
- false
- );
- return;
- }
- $forumThread->setLpItemId($this->db_id);
- $em->persist($forumThread);
- $em->flush();
- }
-
- public function dissociateForumThread($threadIid)
- {
- $threadIid = intval($threadIid);
- $em = Database::getManager();
- $forumThread = $em->find('ChamiloCourseBundle:CForumThread', $threadIid);
- if (!$forumThread) {
- return false;
- }
- $forumThread->setThreadTitle(
- "{$this->get_title()} - {$this->db_id}"
- );
- $forumThread->setLpItemId(0);
- $em->persist($forumThread);
- $em->flush();
- return true;
- }
- }
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