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- <?php
- /* For licensing terms, see /license.txt*/
- use Chamilo\CourseBundle\ToolChain;
- use Chamilo\CoreBundle\Entity\Course;
- use Chamilo\CourseBundle\Entity\CTool;
- use Chamilo\CourseBundle\Manager\SettingsManager;
- use Chamilo\CoreBundle\Framework\Container;
- /**
- * Class CourseManager
- *
- * This is the course library for Chamilo.
- *
- * All main course functions should be placed here.
- *
- *
- * The implementation changed, initially a course was a real course
- * if target_course_code was 0 , this was changed to NULL.
- * There are probably some places left with the wrong code.
- *
- * @package chamilo.library
- */
- class CourseManager
- {
- const MAX_COURSE_LENGTH_CODE = 40;
- //This constant is used to show separate user names in the course list (userportal), footer, etc
- const USER_SEPARATOR = ' |';
- public $columns = array();
- public static $toolList;
- public static $courseSettingsManager;
- public static $em;
- private static $manager;
- /**
- * @param ToolChain $toolList
- */
- public static function setToolList($toolList)
- {
- self::$toolList = $toolList;
- }
- /**
- * @return ToolChain
- */
- public static function getToolList()
- {
- return self::$toolList;
- }
- /**
- * @return SettingsManager
- */
- public static function getCourseSettingsManager()
- {
- return self::$courseSettingsManager;
- }
- /**
- * @param SettingsManager $courseSettingsManager
- */
- public static function setCourseSettingsManager($courseSettingsManager)
- {
- self::$courseSettingsManager = $courseSettingsManager;
- }
- /**
- * @param \Doctrine\ORM\EntityManager
- */
- public static function setEntityManager($em)
- {
- self::$em = $em;
- }
- /**
- * @return \Doctrine\ORM\EntityManager
- */
- public static function getEntityManager()
- {
- return self::$em;
- }
- /**
- * @return Chamilo\CoreBundle\Entity\CourseManager
- */
- public static function setCourseManager($manager)
- {
- self::$manager = $manager;
- }
- /**
- * @return Chamilo\CoreBundle\Entity\CourseManager
- */
- public static function getCourseManager()
- {
- return self::$manager;
- }
- /**
- * Creates a course
- * @param array with the columns in the main.course table
- * @param mixed false if the course was not created, array with the course info
- * @return mixed False on error, or an array with course attributes on success
- * @todo remove globals
- * @assert () === false
- */
- public static function create_course($params)
- {
- global $_configuration;
- // Check portal limits
- $access_url_id = 1;
- if (api_get_multiple_access_url()) {
- $access_url_id = api_get_current_access_url_id();
- }
- if (is_array($_configuration[$access_url_id]) &&
- isset($_configuration[$access_url_id]['hosting_limit_courses']) &&
- $_configuration[$access_url_id]['hosting_limit_courses'] > 0
- ) {
- $num = self::count_courses();
- if ($num >= $_configuration[$access_url_id]['hosting_limit_courses']) {
- return api_set_failure('PortalCoursesLimitReached');
- }
- }
- if (empty($params['title'])) {
- return false;
- }
- if (empty($params['wanted_code'])) {
- $params['wanted_code'] = $params['title'];
- // Check whether the requested course code has already been occupied.
- $params['wanted_code'] = self::generate_course_code(api_substr($params['title'], 0, self::MAX_COURSE_LENGTH_CODE));
- }
- // Create the course keys
- $keys = self::define_course_keys($params['wanted_code']);
- $params['exemplary_content'] = isset($params['exemplary_content']) ? $params['exemplary_content'] : false;
- if (count($keys)) {
- $params['code'] = $keys['currentCourseCode'];
- $params['visual_code'] = $keys['currentCourseId'];
- $params['directory'] = $keys['currentCourseRepository'];
- $course_info = api_get_course_info($params['code']);
- if (empty($course_info)) {
- $course_id = self::register_course($params);
- $course_info = api_get_course_info_by_id($course_id);
- if (!empty($course_info)) {
- self::prepare_course_repository($course_info['directory'], $course_info['code']);
- self::fill_db_course($course_id, $course_info['directory'], $course_info['course_language'], $params['exemplary_content']);
- //Create an empty gradebook
- if (isset($params['create_gradebook_evaluation']) && $params['create_gradebook_evaluation'] == true) {
- require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
- $category_id = create_default_course_gradebook($course_info['code']);
- if ($category_id && isset($params['gradebook_params'])) {
- $eval = new Evaluation();
- $eval->set_name($params['gradebook_params']['name']);
- $eval->set_user_id($params['gradebook_params']['user_id']);
- $eval->set_course_code($course_info['code']);
- $eval->set_category_id($category_id);
- $eval->set_weight($params['gradebook_params']['weight']);
- $eval->set_max($params['gradebook_params']['max']);
- $eval->set_visible(0);
- $eval->add();
- }
- }
- if (api_get_setting('gradebook.gradebook_enable_grade_model') == 'true') {
- //Create gradebook_category for the new course and add a gradebook model for the course
- if (isset($params['gradebook_model_id']) && !empty($params['gradebook_model_id']) && $params['gradebook_model_id'] != '-1') {
- require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
- create_default_course_gradebook($course_info['code'], $params['gradebook_model_id']);
- }
- }
- //Saving extra course fields
- $field_value = new ExtraFieldValue('course');
- $params['course_code'] = $course_info['code'];
- $field_value->save_field_values($params);
- return $course_info;
- }
- } else {
- //Course already exists
- if (isset($params['return_item_if_already_exists']) && $params['return_item_if_already_exists']) {
- return $course_info;
- }
- }
- }
- return false;
- }
- /**
- * Updates a course with the given array of attributes
- * @param array Array of attributes
- * @return array Array of course attributes
- * @assert () === false
- */
- public static function update($params)
- {
- if (!is_array($params) or count($params)<1) {
- return false;
- }
- $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
- $course_code = $params['code'];
- $courseInfo = api_get_course_info($course_code);
- $visual_code = $params['visual_code'];
- $field_value = new ExtraFieldValue('course');
- $params['course_code'] = $course_code;
- $field_value->save_field_values($params);
- /*$tutor_id = $params['tutor_name'];
- $tutor_name=$platform_teachers[$tutor_id];*/
- $teachers = $params['group']['course_teachers'];
- $title = $params['title'];
- $category_code = $params['category_code'];
- $department_name = $params['department_name'];
- $department_url = $params['department_url'];
- $course_language = $params['course_language'];
- $course['disk_quota'] = $params['disk_quota']*1024*1024;
- $disk_quota = $params['disk_quota'];
- $visibility = $params['visibility'];
- $subscribe = $params['subscribe'];
- $unsubscribe = $params['unsubscribe'];
- if (!stristr($department_url, 'http://')) {
- $department_url = 'http://'.$department_url;
- }
- //tutor_name='".Database::escape_string($tutor_name)."',
- $sql = "UPDATE $course_table SET
- course_language='".Database::escape_string($course_language)."',
- title='".Database::escape_string($title)."',
- category_code='".Database::escape_string($category_code)."',
- visual_code='".Database::escape_string($visual_code)."',
- department_name='".Database::escape_string($department_name)."',
- department_url='".Database::escape_string($department_url)."',
- disk_quota='".Database::escape_string($disk_quota)."',
- visibility = '".Database::escape_string($visibility)."',
- subscribe = '".Database::escape_string($subscribe)."',
- unsubscribe='".Database::escape_string($unsubscribe)."'
- WHERE code='".Database::escape_string($course_code)."'";
- Database::query($sql);
- //Delete only teacher relations that doesn't match the selected teachers
- $cond='';
- if (count($teachers)>0) {
- foreach($teachers as $key) {
- $cond.=" AND user_id<>'".$key."'";
- }
- }
- $sql = 'DELETE FROM '.$course_user_table.' WHERE c_id = "'.Database::escape_string($courseInfo['real_id']).'" AND status="1"'.$cond;
- Database::query($sql);
- if (count($teachers)>0) {
- foreach ($teachers as $key) {
- //We check if the teacher is already subscribed in this course
- $sql_select_teacher = 'SELECT 1 FROM '.$course_user_table.' WHERE user_id = "'.$key.'" AND c_id = "'.$courseInfo['real_id'].'" ';
- $result = Database::query($sql_select_teacher);
- if (Database::num_rows($result) == 1) {
- $sql = 'UPDATE '.$course_user_table.' SET status = "1" WHERE c_id = "'.$courseInfo['real_id'].'" AND user_id = "'.$key.'" ';
- } else {
- $sql = "INSERT INTO ".$course_user_table . " SET
- c_id = '".Database::escape_string($courseInfo['real_id']). "',
- user_id = '".$key . "',
- status = '1',
- role = '',
- tutor_id = '0',
- sort = '0',
- user_course_cat = '0'";
- }
- Database::query($sql);
- }
- }
- //user_id = '".$tutor_id . "',
- $sql = "INSERT IGNORE INTO ".$course_user_table . " SET
- course_code = '".Database::escape_string($course_code). "',
- status = '1',
- role = '',
- tutor_id='0',
- sort='0',
- user_course_cat='0'";
- Database::query($sql);
- $course_info = api_get_course_info($course_code);
- return $course_info;
- }
- /**
- * Returns all the information of a given course code from the course table
- * @param string $course_code, the course code
- * @return an array with all the fields of the course table
- * @deprecated use api_get_course_info()
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @assert (array(1,2,3)) === false
- */
- public static function get_course_information($course_code)
- {
- return Database::fetch_array(Database::query(
- "SELECT *, id as real_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
- WHERE code='".Database::escape_string($course_code)."'"),'ASSOC'
- );
- }
- /**
- * Returns all the information of a given coursecode from the course
- * table by it integer ID
- * @param int the course id
- * @return an array with all the fields of the course table
- * @assert (-1) === false
- */
- public static function get_course_information_by_id($course_id)
- {
- return Database::select('*, id as real_id', Database::get_main_table(TABLE_MAIN_COURSE), array('where'=>array('id = ?' =>intval($course_id))),'first');
- }
- /**
- * Returns a list of courses. Should work with quickform syntax
- * @param integer Offset (from the 7th = '6'). Optional.
- * @param integer Number of results we want. Optional.
- * @param string The column we want to order it by. Optional, defaults to first column.
- * @param string The direction of the order (ASC or DESC). Optional, defaults to ASC.
- * @param string The visibility of the course, or all by default.
- * @param string If defined, only return results for which the course *title* begins with this string
- * @return mixed Array of courses details, or false on error
- * @assert (array(1,2,3)) === false
- */
- public static function get_courses_list($from = 0, $howmany = 0, $orderby = 1, $orderdirection = 'ASC', $visibility = -1, $startwith = '')
- {
- $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE)." ";
- if (!empty($startwith)) {
- $sql .= "WHERE title LIKE '".Database::escape_string($startwith)."%' ";
- if ($visibility !== -1 && $visibility == strval(intval($visibility))) {
- $sql .= " AND visibility = $visibility ";
- }
- } else {
- $sql .= "WHERE 1 ";
- if ($visibility !== -1 && $visibility == strval(intval($visibility))) {
- $sql .= " AND visibility = $visibility ";
- }
- }
- if (!empty($orderby)) {
- $sql .= " ORDER BY ".Database::escape_string($orderby)." ";
- } else {
- $sql .= " ORDER BY 1 ";
- }
- if (!in_array($orderdirection, array('ASC', 'DESC'))) {
- $sql .= 'ASC';
- } else {
- $sql .= Database::escape_string($orderdirection);
- }
- if (!empty($howmany) && is_int($howmany) and $howmany > 0) {
- $sql .= ' LIMIT '.Database::escape_string($howmany);
- } else {
- $sql .= ' LIMIT 1000000'; //virtually no limit
- }
- if (!empty($from)) {
- $from = intval($from);
- $sql .= ' OFFSET '.Database::escape_string($from);
- } else {
- $sql .= ' OFFSET 0';
- }
- return Database::store_result(Database::query($sql));
- }
- /**
- * Returns the access settings of the course:
- * which visibility;
- * wether subscribing is allowed;
- * wether unsubscribing is allowed.
- *
- * @param string $course_code, the course code
- * @todo for more consistency: use course_info call from database API
- * @return an array with int fields "visibility", "subscribe", "unsubscribe"
- * @assert () === false
- */
- public static function get_access_settings($course_code)
- {
- return Database::fetch_array(Database::query(
- "SELECT visibility, subscribe, unsubscribe from ".Database::get_main_table(TABLE_MAIN_COURSE)."
- WHERE code = '".Database::escape_string($course_code)."'")
- );
- }
- /**
- * Returns the status of a user in a course, which is COURSEMANAGER
- * or STUDENT.
- * @param int User ID
- * @param string Course code
- * @return int the status of the user in that course
- * @assert () === false
- */
- public static function get_user_in_course_status($user_id, $courseId)
- {
- $result = Database::fetch_array(Database::query(
- "SELECT status FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE c_id = '".Database::escape_string($courseId)."' AND user_id = ".Database::escape_string($user_id))
- );
- return $result['status'];
- }
- /**
- * Gets the ID of a course tutor for a user, given the user and the course
- * @param int User ID
- * @param string Course code
- * @return mixed The tutor ID
- * @assert () === false
- */
- public static function get_tutor_in_course_status($user_id, $courseId)
- {
- $result = Database::fetch_array(Database::query(
- "SELECT tutor_id FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE c_id = '".Database::escape_string($courseId)."' AND user_id = ".Database::escape_string($user_id))
- );
- return $result['tutor_id'];
- }
- /**
- * Unsubscribe one or more users from a course
- * @param mixed user_id or an array with user ids
- * @param int session id
- * @param int course id
- * @return mixed False on user ID not found, void otherwise
- * @assert () === false
- */
- public static function unsubscribe_user($user_id, $courseId, $session_id = 0)
- {
- if (!isset($user_id)) {
- return false;
- }
- if (!is_array($user_id)) {
- $user_id = array($user_id);
- }
- if (count($user_id) == 0) {
- return false;
- }
- $table_user = Database :: get_main_table(TABLE_MAIN_USER);
- if (!empty($session_id)) {
- $session_id = intval($session_id);
- } else {
- $session_id = api_get_session_id();
- }
- $user_list = array();
- //Cleaning the $user_id variable
- if (is_array($user_id)) {
- $new_user_id_list = array();
- foreach ($user_id as $my_user_id) {
- $new_user_id_list[]= intval($my_user_id);
- }
- $new_user_id_list = array_filter($new_user_id_list);
- $user_list = $new_user_id_list;
- $user_ids = implode(',', $new_user_id_list);
- } else {
- $user_ids = intval($user_id);
- $user_list[] = $user_id;
- }
- $courseId = intval($courseId);
- $courseInfo = api_get_course_info_by_id($courseId);
- $courseCode = $courseInfo['code'];
- // Unsubscribe user from all groups in the course.
- Database::query("DELETE FROM ".Database::get_course_table(TABLE_GROUP_USER)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")");
- Database::query("DELETE FROM ".Database::get_course_table(TABLE_GROUP_TUTOR)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")");
- // Erase user student publications (works) in the course - by André Boivin
- //@todo field student_publication.author should be the user id
- $sqlu = "SELECT * FROM $table_user WHERE user_id IN (".$user_ids.")";
- $resu = Database::query($sqlu);
- $username = Database::fetch_array($resu,'ASSOC');
- $userfirstname = $username['firstname'];
- $userlastname = $username['lastname'];
- $publication_name = $userfirstname.' '.$userlastname ;
- $table_course_user_publication = Database :: get_course_table(TABLE_STUDENT_PUBLICATION);
- $sql = "DELETE FROM $table_course_user_publication WHERE c_id = $courseId AND author = '".Database::escape_string($publication_name)."'";
- Database::query($sql);
- // Unsubscribe user from all blogs in the course.
- Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_REL_USER)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")");
- Database::query("DELETE FROM ".Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")");
- //Deleting users in forum_notification and mailqueue course tables
- $sql_delete_forum_notification = "DELETE FROM ".Database::get_course_table(TABLE_FORUM_NOTIFICATION)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")";
- Database::query($sql_delete_forum_notification);
- $sql_delete_mail_queue = "DELETE FROM ".Database::get_course_table(TABLE_FORUM_MAIL_QUEUE)." WHERE c_id = $courseId AND user_id IN (".$user_ids.")";
- Database::query($sql_delete_mail_queue);
- $item_property_lp_subscription = "DELETE FROM ".Database::get_course_table(TABLE_ITEM_PROPERTY)."
- WHERE lastedit_type = 'LearnpathSubscription' AND tool = 'learnpath' AND c_id = $courseId AND to_user_id IN (".$user_ids.")";
- Database::query($item_property_lp_subscription);
- // Unsubscribe user from the course.
- if (!empty($session_id)) {
- // Delete in table session_rel_course_rel_user
- Database::query("DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE id_session ='".$session_id."' AND c_id = '".$courseId."' AND id_user IN ($user_ids)");
- foreach ($user_id as $uid) {
- // check if a user is register in the session with other course
- $sql = "SELECT id_user FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." WHERE id_session='$session_id' AND id_user='$uid'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- // Delete in table session_rel_user
- Database::query("DELETE FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
- WHERE id_session ='".$session_id."' AND id_user='$uid' AND relation_type<>".SESSION_RELATION_TYPE_RRHH."");
- }
- }
- // Update the table session
- $row = Database::fetch_array(Database::query("SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
- WHERE id_session = '".$session_id."' AND relation_type<>".SESSION_RELATION_TYPE_RRHH." "));
- $count = $row[0]; // number of users by session
- $result = Database::query("UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION)." SET nbr_users = '$count'
- WHERE id = '".$session_id."'");
- // Update the table session_rel_course
- $row = Database::fetch_array(@Database::query("SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE id_session = '$session_id' AND c_id = '$courseId' AND status<>2" ));
- $count = $row[0]; // number of users by session and course
- $result = @Database::query("UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE)." SET nbr_users = '$count' WHERE id_session = '$session_id' AND c_id = '$courseId' ");
- } else {
- Database::query("DELETE FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE user_id IN (".$user_ids.") AND relation_type<>".COURSE_RELATION_TYPE_RRHH." AND c_id = '".$courseId."'");
- // add event to system log
- $user_id = api_get_user_id();
- Event::addEvent(LOG_UNSUBSCRIBE_USER_FROM_COURSE, LOG_COURSE_CODE, $courseCode, api_get_utc_datetime(), $user_id);
- foreach ($user_list as $user_id_to_delete) {
- $user_info = api_get_user_info($user_id_to_delete);
- Event::addEvent(LOG_UNSUBSCRIBE_USER_FROM_COURSE, LOG_USER_OBJECT, $user_info, api_get_utc_datetime(), $user_id);
- }
- }
- }
- /**
- * Subscribe a user to a course. No checks are performed here to see if
- * course subscription is allowed.
- * @param int User ID
- * @param string Course code
- * @param int Status (STUDENT, COURSEMANAGER, COURSE_ADMIN, NORMAL_COURSE_MEMBER)
- * @return bool True on success, false on failure
- * @see add_user_to_course
- * @assert ('', '') === false
- */
- public static function subscribe_user($user_id, $course_code, $status = STUDENT, $session_id = 0)
- {
- if ($user_id != strval(intval($user_id))) {
- return false; //detected possible SQL injection
- }
- $course_code = Database::escape_string($course_code);
- $courseInfo = api_get_course_info($course_code);
- $courseId = $courseInfo['real_id'];
- if (empty($user_id) || empty ($course_code)) {
- return false;
- }
- if (!empty($session_id)) {
- $session_id = intval($session_id);
- } else {
- $session_id = api_get_session_id();
- }
- $status = ($status == STUDENT || $status == COURSEMANAGER) ? $status : STUDENT;
- //$role_id = ($status == COURSEMANAGER) ? COURSE_ADMIN : NORMAL_COURSE_MEMBER;
- // A preliminary check whether the user has bben already registered on the platform.
- if (Database::num_rows(@Database::query("SELECT status FROM ".Database::get_main_table(TABLE_MAIN_USER)."
- WHERE user_id = '$user_id' ")) == 0) {
- return false; // The user has not been registered to the platform.
- }
- // Check whether the user has not been already subscribed to the course.
- if (empty($session_id)) {
- if (Database::num_rows(@Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE user_id = '$user_id' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." AND c_id = ".$courseId)) > 0) {
- return false; // The user has been already subscribed to the course.
- }
- }
- if (!empty($session_id)) {
- // Check whether the user has not already been stored in the session_rel_course_user table
- if (Database::num_rows(@Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE c_id = '".$courseId."'
- AND id_session ='".$session_id."'
- AND id_user = '".$user_id."'")) > 0) {
- return false;
- }
- // check if the user is registered in the session with other course
- $sql = "SELECT id_user FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." WHERE id_session='".$session_id."' AND id_user='$user_id'";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- // Check whether the user has not already been stored in the session_rel_user table
- if (Database::num_rows(@Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
- WHERE id_session ='".$session_id."' AND id_user = '".$user_id."' AND relation_type<>".SESSION_RELATION_TYPE_RRHH." ")) > 0) {
- return false;
- }
- }
- // Add him/her in the table session_rel_course_rel_user
- @Database::query("INSERT INTO ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- SET id_session ='".$session_id."',
- c_id = '".$courseId."',
- id_user = '".$user_id."'");
- // Add him/her in the table session_rel_user
- @Database::query("INSERT INTO ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."SET id_session ='".$session_id."', id_user = '".$user_id."'");
- // Update the table session
- $row = Database::fetch_array(@Database::query("SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_USER)."
- WHERE id_session = '".$session_id."' AND relation_type<>".SESSION_RELATION_TYPE_RRHH.""));
- $count = $row[0]; // number of users by session
- $result = @Database::query("UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION)." SET nbr_users = '$count' WHERE id = '".$session_id."'");
- // Update the table session_rel_course
- $row = Database::fetch_array(@Database::query("SELECT COUNT(*) FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE id_session = '".$session_id."' AND c_id = ".$courseId." AND status <> 2" ));
- $count = $row[0]; // number of users by session
- $result = @Database::query("UPDATE ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE)." SET nbr_users = '$count'
- WHERE id_session = '".$session_id."' AND c_id = '$courseId' ");
- } else {
- $course_sort = self::userCourseSort($user_id, $courseId);
- $result = @Database::query("INSERT INTO ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- SET
- c_id = ".$courseId.",
- user_id = '$user_id',
- status = '".$status."',
- sort = '". ($course_sort)."'");
- // Add event to the system log
- Event::addEvent(LOG_SUBSCRIBE_USER_TO_COURSE, LOG_COURSE_CODE, $course_code, api_get_utc_datetime(), api_get_user_id());
- $user_info = api_get_user_info($user_id);
- Event::addEvent(LOG_SUBSCRIBE_USER_TO_COURSE, LOG_USER_OBJECT, $user_info, api_get_utc_datetime(), api_get_user_id());
- }
- return (bool)$result;
- }
- /**
- * Get the course id based on the original id and field name in the extra fields. Returns 0 if course was not found
- *
- * @param string Original course id
- * @param string Original field name
- * @return int Course id
- * @assert ('', '') === false
- */
- public static function get_course_code_from_original_id($original_course_id_value, $original_course_id_name) {
- $t_cfv = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $table_field = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $sql = "SELECT course_code FROM $table_field cf INNER JOIN $t_cfv cfv ON cfv.field_id=cf.id
- WHERE field_variable='$original_course_id_name' AND field_value='$original_course_id_value'";
- $res = Database::query($sql);
- $row = Database::fetch_object($res);
- if ($row) {
- return $row->course_code;
- } else {
- return 0;
- }
- }
- /**
- * Gets the course code from the course id. Returns null if course id was not found
- *
- * @param int Course id
- * @return string Course code
- * @assert ('') === false
- */
- public static function get_course_code_from_course_id($id)
- {
- $table = Database::get_main_table(TABLE_MAIN_COURSE);
- $id = intval($id);
- $sql = "SELECT code FROM $table WHERE id = '$id' ";
- $res = Database::query($sql);
- $row = Database::fetch_object($res);
- if ($row) {
- return $row->code;
- } else {
- return null;
- }
- }
- /**
- * Subscribe a user $user_id to a course $course_code.
- * @author Hugues Peeters
- * @author Roan Embrechts
- *
- * @param int $user_id the id of the user
- * @param int $courseId the course code
- * @param string $status (optional) The user's status in the course
- *
- * @return boolean true if subscription succeeds, boolean false otherwise.
- * @assert ('', '') === false
- */
- public static function add_user_to_course($user_id, $courseId, $status = STUDENT) {
- $debug = false;
- $user_table = Database::get_main_table(TABLE_MAIN_USER);
- $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
- $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $status = ($status == STUDENT || $status == COURSEMANAGER) ? $status : STUDENT;
- if (empty($user_id) || empty($courseId) || ($user_id != strval(intval($user_id)))) {
- return false;
- }
- $courseId = Database::escape_string($courseId);
- // Check in advance whether the user has already been registered on the platform.
- if (Database::num_rows(Database::query("SELECT status FROM ".$user_table." WHERE user_id = '$user_id' ")) == 0) {
- if ($debug) error_log('The user has not been registered to the platform');
- return false; // The user has not been registered to the platform.
- }
- // Check whether the user has already been subscribed to this course.
- if (Database::num_rows(Database::query("SELECT * FROM ".$course_user_table." WHERE user_id = '$user_id' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." AND c_id = '$courseId'")) > 0) {
- if ($debug) error_log('The user has been already subscribed to the course');
- return false; // The user has been subscribed to the course.
- }
- // Check in advance whether subscription is allowed or not for this course.
- if (Database::num_rows(Database::query("SELECT code, visibility FROM ".$course_table." WHERE id = '$courseId' AND subscribe = '".SUBSCRIBE_NOT_ALLOWED."'")) > 0) {
- if ($debug) error_log('Subscription is not allowed for this course');
- return false; // Subscription is not allowed for this course.
- }
- // Ok, subscribe the user.
- $max_sort = api_max_sort_value('0', $user_id);
- return (bool)Database::query("INSERT INTO ".$course_user_table."
- SET c_id = '$courseId',
- user_id = '$user_id',
- status = '".$status."',
- sort = '". ($max_sort + 1)."'");
- }
- /**
- * @return true if there already are one or more courses
- * with the same code OR visual_code (visualcode), false otherwise
- */
- public static function course_code_exists($wanted_course_code) {
- $wanted_course_code = Database::escape_string($wanted_course_code);
- $result = Database::fetch_array(Database::query("SELECT COUNT(*) as number FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
- WHERE code = '$wanted_course_code' OR visual_code = '$wanted_course_code'"));
- return $result['number'] > 0;
- }
- /**
- * @return an array with the course info of all real courses on the platform
- */
- public static function get_real_course_list() {
- $sql_result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE)." WHERE target_course_code IS NULL");
- $real_course_list = array();
- while ($result = Database::fetch_array($sql_result)) {
- $real_course_list[$result['code']] = $result;
- }
- return $real_course_list;
- }
- /**
- * Get course list as coach
- *
- * @param int user id
- * @return array course list
- *
- * */
- public static function get_course_list_as_coach($user_id, $include_courses_in_sessions = false) {
- //1. Getting courses as teacher (No session)
- $courses_temp = CourseManager::get_course_list_of_user_as_course_admin($user_id);
- $courses_as_admin = array();
- if (!empty($courses_temp)) {
- foreach($courses_temp as $course_item) {
- $courses_as_admin[0][$course_item['real_id']] = $course_item['real_id'];
- }
- }
- //2. Include courses in sessions
- if ($include_courses_in_sessions) {
- $sessions = SessionManager::get_sessions_coached_by_user($user_id);
- if (!empty($sessions)) {
- foreach($sessions as $session_item) {
- $courses = Tracking :: get_courses_followed_by_coach($user_id, $session_item['id']);
- if (is_array($courses)) {
- foreach($courses as $course_item) {
- $courses_as_admin[$session_item['id']][$course_item] = $course_item;
- }
- }
- }
- }
- }
- return $courses_as_admin;
- }
- /**
- * @param int $user_id
- * @param bool $include_sessions
- * @return array
- */
- public static function get_user_list_from_courses_as_coach($user_id, $include_sessions = true)
- {
- $students_in_courses = array();
- $sessions = CourseManager::get_course_list_as_coach($user_id, true);
- if (!empty($sessions)) {
- foreach($sessions as $session_id => $courses) {
- if (!$include_sessions) {
- if (!empty($session_id)) {
- continue;
- }
- }
- if (empty($session_id)) {
- foreach($courses as $course_code) {
- $students_in_course = CourseManager::get_user_list_from_course_code($course_code);
- foreach($students_in_course as $user_item) {
- //Only students
- if ($user_item['status_rel'] == STUDENT)
- $students_in_courses[$user_item['user_id']] = $user_item['user_id'];
- }
- }
- } else {
- $students_in_course = SessionManager::get_users_by_session($session_id, '0');
- if (is_array($students_in_course)) {
- foreach ($students_in_course as $user_item) {
- if ($user_item['moved_to'] == 0) {
- $students_in_courses[$user_item['user_id']] = $user_item['user_id'];
- }
- }
- }
- }
- }
- }
- $students = Tracking :: get_student_followed_by_coach($user_id);
- if (!empty($students_in_courses)) {
- if (!empty($students)) {
- $students = array_merge($students, $students_in_courses);
- } else {
- $students = $students_in_courses;
- }
- }
- if (!empty($students)) {
- $students = array_unique($students);
- }
- return $students;
- }
- /**
- * @param int $user_id
- * @return an array with the course info of all the courses (real and virtual)
- * of which the current user is course admin.
- */
- public static function get_course_list_of_user_as_course_admin($user_id)
- {
- if ($user_id != strval(intval($user_id))) {
- return array();
- }
- // Definitions database tables and variables
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $user_id = intval($user_id);
- $data = array();
- $sql_nb_cours = "SELECT course_rel_user.c_id,
- course.title, course.id,
- course.id as real_id
- FROM $tbl_course_user as course_rel_user
- INNER JOIN $tbl_course as course
- ON course.id = course_rel_user.c_id
- WHERE course_rel_user.user_id='$user_id' AND course_rel_user.status='1'
- ORDER BY course.title";
- if (api_get_multiple_access_url()) {
- $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $access_url_id = api_get_current_access_url_id();
- if ($access_url_id != -1) {
- $sql_nb_cours = " SELECT course_rel_user.c_id, course.title, course.id, course.id as real_id
- FROM $tbl_course_user as course_rel_user
- INNER JOIN $tbl_course as course
- ON course.id = course_rel_user.c_id
- INNER JOIN $tbl_course_rel_access_url course_rel_url
- ON (course_rel_url.c_id = course.id)
- WHERE access_url_id = $access_url_id AND course_rel_user.user_id='$user_id' AND course_rel_user.status='1'
- ORDER BY course.title";
- }
- }
- $result_nb_cours = Database::query($sql_nb_cours);
- if (Database::num_rows($result_nb_cours) > 0) {
- while ($row = Database::fetch_array($result_nb_cours,'ASSOC')) {
- $data[$row['c_id']] = $row;
- }
- }
- return $data;
- }
- /**
- * Check if user is subscribed inside a course
- * @param int User id
- * @param int course id
- * @param bool True for checking inside sessions too, by default is not checked
- * @return bool true if the user is registered in the course, false otherwise
- */
- public static function is_user_subscribed_in_course($user_id, $courseId = null, $in_a_session = false, $session_id = null)
- {
- $user_id = intval($user_id);
- if (empty($session_id)) {
- $session_id = api_get_session_id();
- } else {
- $session_id = intval($session_id);
- }
- $condition_course_id = null;
- if (isset($courseId)) {
- $courseId = intval($courseId);
- $condition_course_id = ' AND c_id = "'.$courseId.'" ';
- }
- $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE user_id = $user_id AND relation_type<>".COURSE_RELATION_TYPE_RRHH." $condition_course_id ";
- $result = Database::fetch_array(Database::query($sql));
- if (!empty($result)) {
- return true; // The user has been registered in this course.
- }
- if (!$in_a_session) {
- return false; // The user has not been registered in this course.
- }
- if (Database::num_rows(Database::query('SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).
- ' WHERE id_user = '.$user_id.' '.$condition_course_id.' ')) > 0) {
- return true;
- }
- if (Database::num_rows(Database::query('SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).
- ' WHERE id_user = '.$user_id.' AND status=2 '.$condition_course_id.' ')) > 0) {
- return true;
- }
- if (Database::num_rows(Database::query('SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_SESSION).
- ' WHERE id='.$session_id.' AND id_coach='.$user_id)) > 0) {
- return true;
- }
- return false;
- }
- /**
- * Is the user a teacher in the given course?
- *
- * @param int $user_id, the id (int) of the user
- * @param int $course_code, the course code
- *
- * @return true if the user is a teacher in the course, false otherwise
- */
- public static function is_course_teacher($user_id, $courseId) {
- if ($user_id != strval(intval($user_id))) {
- return false;
- }
- $sql_result = Database::query('SELECT status FROM '.Database::get_main_table(TABLE_MAIN_COURSE_USER).
- ' WHERE c_id ="'.Database::escape_string($courseId).'" and user_id="'.$user_id.'"');
- if (Database::num_rows($sql_result) > 0) {
- return Database::result($sql_result, 0, 'status') == 1;
- }
- return false;
- }
- /**
- * Is the user subscribed in the real course or linked courses?
- *
- * @param int the id of the user
- * @param array info about the course (comes from course table, see database lib)
- *
- * @return true if the user is registered in the real course or linked courses, false otherwise
- */
- public static function is_user_subscribed_in_real_or_linked_course ($user_id, $courseId, $session_id = '') {
- if ($user_id != strval(intval($user_id))) {
- return false;
- }
- $session_id = intval($session_id);
- $courseId = Database::escape_string($courseId);
- if ($session_id == '') {
- $result = Database::fetch_array(Database::query("SELECT *
- FROM ".Database::get_main_table(TABLE_MAIN_COURSE)." course
- LEFT JOIN ".Database::get_main_table(TABLE_MAIN_COURSE_USER)." course_user
- ON course.id = course_user.c_id
- WHERE course_user.user_id = '$user_id' AND
- course_user.relation_type<>".COURSE_RELATION_TYPE_RRHH." AND
- course.id = '$courseId'"));
- return !empty($result);
- }
- // From here we trust session id.
- // Is he/she subscribed to the session's course?
- // A user?
- if (Database::num_rows(Database::query("SELECT id_user
- FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE id_session='".$session_id."'
- AND id_user='$user_id'"))) {
- return true;
- }
- // A course coach?
- if (Database::num_rows(Database::query("SELECT id_user
- FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE id_session='".$session_id."'
- AND id_user = '$user_id' AND status = 2
- AND c_id ='$courseId'"))) {
- return true;
- }
- // A session coach?
- if (Database::num_rows(Database::query("SELECT id_coach
- FROM ".Database::get_main_table(TABLE_MAIN_SESSION)." AS session
- WHERE session.id='".$session_id."'
- AND id_coach='$user_id'"))) {
- return true;
- }
- return false;
- }
- /**
- * Return user info array of all users registered in the specified course
- * This only returns the users that are registered in this actual course, not linked courses.
- *
- * @param string $course_code the code of the course
- * @param boolean $with_session determines if the course is used in a session or not
- * @param integer $session_id the id of the session
- * @param string $limit the LIMIT statement of the sql statement
- * @param string $order_by the field to order the users by. Valid values are 'lastname', 'firstname', 'username', 'email', 'official_code' OR a part of a SQL statement that starts with ORDER BY ...
- * @param int if using the session_id: 0 or 2 (student, coach), if using session_id = 0 STUDENT or COURSEMANAGER
- * @return array
- */
- public static function get_user_list_from_course_code($course_code = null, $session_id = 0, $limit = null, $order_by = null, $filter_by_status = null, $return_count = null, $add_reports = false, $resumed_report = false, $extra_field = null)
- {
- // variable initialisation
- $session_id = intval($session_id);
- $course_code = Database::escape_string($course_code);
- $where = array();
- // if the $order_by does not contain 'ORDER BY' we have to check if it is a valid field that can be sorted on
- if (!strstr($order_by,'ORDER BY')) {
- //if (!empty($order_by) AND in_array($order_by, array('lastname', 'firstname', 'username', 'email', 'official_code'))) {
- if (!empty($order_by)) {
- $order_by = 'ORDER BY '.$order_by;
- } else {
- $order_by = '';
- }
- }
- $courseInfo = api_get_course_info($course_code);
- $courseId = null;
- if ($courseInfo) {
- $courseId = $courseInfo['real_id'];
- }
- $filter_by_status_condition = null;
- if (!empty($session_id) && !empty($courseId)) {
- $sql = 'SELECT DISTINCT user.user_id, session_course_user.status as status_session, user.* ';
- $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).' as session_course_user
- ON user.user_id = session_course_user.id_user
- AND session_course_user.c_id="'.$courseId.'"
- AND session_course_user.id_session = '.$session_id;
- $where[] = ' session_course_user.c_id IS NOT NULL ';
- // 2 = coach
- // 0 = student
- if (isset($filter_by_status)) {
- $filter_by_status = intval($filter_by_status);
- $filter_by_status_condition = " session_course_user.status = $filter_by_status AND ";
- }
- } else {
- if ($return_count) {
- $sql = " SELECT COUNT(*) as count";
- if ($resumed_report) {
- //$sql = " SELECT count(field_id) ";
- }
- } else {
- if (empty($course_code)) {
- $sql = 'SELECT DISTINCT course.title, course.code, course_rel_user.status as status_rel, user.user_id, course_rel_user.role, course_rel_user.tutor_id, user.* ';
- } else {
- $sql = 'SELECT DISTINCT course_rel_user.status as status_rel, user.user_id, course_rel_user.role, course_rel_user.tutor_id, user.* ';
- }
- }
- $sql .= ' FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
- ON user.user_id = course_rel_user.user_id AND
- course_rel_user.relation_type <> '.COURSE_RELATION_TYPE_RRHH;
- if (!empty($courseInfo)) {
- $sql .= " AND course_rel_user.c_id = ".$courseId;
- } else {
- $course_table = Database::get_main_table(TABLE_MAIN_COURSE);
- $sql .= " INNER JOIN $course_table course ON course_rel_user.c_id = course.id";
- }
- $where[] = ' course_rel_user.c_id IS NOT NULL ';
- if (isset($filter_by_status) && $filter_by_status != '') {
- $filter_by_status = intval($filter_by_status);
- $filter_by_status_condition = " course_rel_user.status = $filter_by_status AND ";
- }
- }
- $multiple_access_url = api_get_multiple_access_url();
- if ($multiple_access_url) {
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au ON (au.user_id = user.user_id) ';
- }
- if ($return_count && $resumed_report) {
- $extra_field_info = UserManager::get_extra_field_information_by_name($extra_field);
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES).' as ufv ON (user.user_id = ufv.user_id AND (field_id = '.$extra_field_info['id'].' OR field_id IS NULL ) )';
- }
- $sql .= ' WHERE '.$filter_by_status_condition.' '.implode(' OR ', $where);
- if ($multiple_access_url) {
- $current_access_url_id = api_get_current_access_url_id();
- $sql .= " AND (access_url_id = $current_access_url_id ) ";
- }
- if ($return_count && $resumed_report) {
- $sql .= ' AND field_id IS NOT NULL GROUP BY field_value ';
- }
- $sql .= ' '.$order_by.' '.$limit;
- $rs = Database::query($sql);
- $users = array();
- if ($add_reports) {
- $extra_fields = UserManager::get_extra_fields(0, 100, null, null, true, true);
- }
- $counter = 1;
- $count_rows = Database::num_rows($rs);
- if ($return_count && $resumed_report) {
- return $count_rows;
- }
- $table_user_field_value = Database::get_main_table(TABLE_MAIN_USER_FIELD_VALUES);
- if ($count_rows) {
- while ($user = Database::fetch_array($rs)) {
- $report_info = array();
- if ($return_count) {
- return $user['count'];
- }
- $user_info = $user;
- $user_info['status'] = $user['status'];
- if (isset($user['role'])) {
- $user_info['role'] = $user['role'];
- }
- if (isset($user['tutor_id'])) {
- $user_info['tutor_id'] = $user['tutor_id'];
- }
- if (!empty($session_id)) {
- $user_info['status_session'] = $user['status_session'];
- }
- $user_info['complete_name'] = api_get_person_name($user_info['firstname'], $user_info['lastname']);
- if ($add_reports) {
- $course_code = $user['code'];
- if ($resumed_report) {
- foreach ($extra_fields as $extra) {
- if ($extra['1'] == $extra_field) {
- $user_data = UserManager::get_extra_user_data_by_field($user['user_id'], $extra['1']);
- break;
- }
- }
- if (empty($user_data[$extra['1']])) {
- $row_key = '-1';
- $name = '-';
- } else {
- $row_key = $user_data[$extra['1']];
- $name = $user_data[$extra['1']];
- }
- $users[$row_key]['extra_'.$extra['1']] = $name;
- $users[$row_key]['training_hours'] += Tracking::get_time_spent_on_the_course($user['user_id'], $courseId, 0);
- $users[$row_key]['count_users'] += $counter;
- $registered_users_with_extra_field = 0;
- if (!empty($name) && $name != '-') {
- $name = Database::escape_string($name);
- $sql = "SELECT count(user_id) as count FROM $table_user_field_value WHERE field_value = '$name'";
- $result_count = Database::query($sql);
- if (Database::num_rows($result_count)) {
- $row_count = Database::fetch_array($result_count);
- $registered_users_with_extra_field = $row_count['count'];
- }
- }
- $users[$row_key]['count_users_registered'] = $registered_users_with_extra_field;
- $users[$row_key]['average_hours_per_user'] = $users[$row_key]['training_hours'] / $users[$row_key]['count_users'];
- $category = Category::load (null, null, $course_code);
- if (!isset($users[$row_key]['count_certificates'])) {
- $users[$row_key]['count_certificates'] = 0;
- }
- if (isset($category[0]) && $category[0]->is_certificate_available($user['user_id'])) {
- $users[$row_key]['count_certificates']++;
- }
- } else {
- $report_info['course'] = $user['title'];
- $report_info['user'] = api_get_person_name($user['firstname'], $user['lastname']);
- $report_info['time'] = api_time_to_hms(Tracking::get_time_spent_on_the_course($user['user_id'], $courseId, 0));
- $category = Category :: load (null, null, $course_code);
- $report_info['certificate'] = Display::label(get_lang('No'));
- if (isset($category[0]) && $category[0]->is_certificate_available($user['user_id'])) {
- $report_info['certificate'] = Display::label(get_lang('Yes'), 'success');
- }
- //$report_info['score'] = Tracking::get_avg_student_score($user['user_id'], $courseId, array(), 0);
- $progress = intval(Tracking::get_avg_student_progress($user['user_id'], $courseId, array(), 0));
- $report_info['progress_100'] = $progress == 100 ? Display::label(get_lang('Yes'), 'success') : Display::label(get_lang('No'));
- $report_info['progress'] = $progress."%";
- foreach ($extra_fields as $extra) {
- $user_data = UserManager::get_extra_user_data_by_field($user['user_id'], $extra['1']);
- $report_info[$extra['1']] = $user_data[$extra['1']];
- }
- $users[] = $report_info;
- }
- } else {
- $users[$user['user_id']] = $user_info;
- }
- }
- $counter++;
- }
- return $users;
- }
- static function get_count_user_list_from_course_code($resumed_report = false, $extra_field = null) {
- return self::get_user_list_from_course_code(null, 0, null, null, null, true, false, $resumed_report, $extra_field);
- }
- /**
- * Gets subscribed users in a course or in a course/session
- *
- * @param string $course_code
- * @param int $session_id
- * @return int
- */
- public static function get_users_count_in_course($course_code, $session_id = 0) {
- // variable initialisation
- $session_id = intval($session_id);
- $course_code = Database::escape_string($course_code);
- $courseInfo = api_get_course_info($course_code);
- $courseId = $courseInfo['real_id'];
- $sql = 'SELECT DISTINCT count(*) as count FROM '.Database::get_main_table(TABLE_MAIN_USER).' as user ';
- $where = array();
- if (!empty($session_id)) {
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).' as session_course_user
- ON user.user_id = session_course_user.id_user
- AND session_course_user.c_id = "'.$courseId.'"
- AND session_course_user.id_session = '.$session_id.'
- INNER JOIN '.Database::get_main_table(TABLE_MAIN_SESSION_USER).' as su
- ON ( su.id_session = session_course_user.id_session AND
- user.user_id = su.id_user AND
- su.moved_to = 0 AND
- su.moved_status <> '.SessionManager::SESSION_CHANGE_USER_REASON_ENROLLMENT_ANNULATION.'
- )';
- $where[] = ' session_course_user.c_id IS NOT NULL ';
- } else {
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_COURSE_USER).' as course_rel_user
- ON user.user_id = course_rel_user.user_id AND course_rel_user.relation_type<>'.COURSE_RELATION_TYPE_RRHH.'
- AND course_rel_user.c_id ="'.$courseId.'"';
- $where[] = ' course_rel_user.c_id IS NOT NULL ';
- }
- $multiple_access_url = api_get_multiple_access_url();
- if ($multiple_access_url) {
- $sql .= ' LEFT JOIN '.Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_USER).' au ON (au.user_id = user.user_id) ';
- }
- $sql .= ' WHERE '.implode(' OR ', $where);
- if ($multiple_access_url) {
- $current_access_url_id = api_get_current_access_url_id();
- $sql .= " AND (access_url_id = $current_access_url_id ) ";
- }
- $rs = Database::query($sql);
- $count = 0;
- if (Database::num_rows($rs)) {
- $user = Database::fetch_array($rs);
- $count = $user['count'];
- }
- return $count;
- }
- /**
- * Get a list of coaches of a course and a session
- * @param string Course code
- * @param int Session ID
- * @return array List of users
- */
- public static function get_coach_list_from_course_code($courseId, $session_id) {
- if ($session_id != strval(intval($session_id))) {
- return array();
- }
- $courseId = Database::escape_string($courseId);
- $users = array();
- // We get the coach for the given course in a given session.
- $rs = Database::query('SELECT id_user FROM '.Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER).
- ' WHERE id_session="'.$session_id.'" AND c_id="'.$courseId.'" AND status = 2');
- while ($user = Database::fetch_array($rs)) {
- $user_info = api_get_user_info($user['id_user']);
- $user_info['status'] = $user['status'];
- $user_info['role'] = $user['role'];
- $user_info['tutor_id'] = $user['tutor_id'];
- $user_info['email'] = $user['email'];
- $users[$user['id_user']] = $user_info;
- }
- // We get the session coach.
- $rs = Database::query('SELECT id_coach FROM '.Database::get_main_table(TABLE_MAIN_SESSION).' WHERE id="'.$session_id.'"');
- $session_id_coach = Database::result($rs, 0, 'id_coach');
- $user_info = api_get_user_info($session_id_coach);
- $user_info['status'] = $user['status'];
- $user_info['role'] = $user['role']; //Role field exists?
- $user_info['tutor_id'] = $user['tutor_id'];
- $user_info['email'] = $user['email'];
- $users[$session_id_coach] = $user_info;
- return $users;
- }
- /**
- * Return user info array of all users registered in the specified real or virtual course
- * This only returns the users that are registered in this actual course, not linked courses.
- *
- * @param string $course_code
- * @param boolean $full list to true if we want sessions students too
- * @return array with user id
- */
- public static function get_student_list_from_course_code($courseId, $with_session = false, $session_id = 0, $group_id = 0) {
- $session_id = intval($session_id);
- $courseId = Database::escape_string($courseId);
- $students = array();
- if ($session_id == 0) {
- if (empty($group_id)) {
- // students directly subscribed to the course
- $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)."
- WHERE c_id = ".$courseId." AND status = ".STUDENT;
- $rs = Database::query($sql);
- while ($student = Database::fetch_array($rs)) {
- $students[$student['user_id']] = $student;
- }
- } else {
- $students = GroupManager::get_users($group_id, false, $courseId);
- $students = array_flip($students);
- }
- }
- // students subscribed to the course through a session
- if ($with_session) {
- $sql_query = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)."
- WHERE c_id = '$courseId' AND status <> 2";
- if ($session_id != 0) {
- $sql_query .= ' AND id_session = '.$session_id;
- }
- $rs = Database::query($sql_query);
- while($student = Database::fetch_array($rs)) {
- $students[$student['id_user']] = $student;
- }
- }
- return $students;
- }
- /**
- * Return user info array of all teacher-users registered in the specified real or virtual course
- * This only returns the users that are registered in this actual course, not linked courses.
- *
- * @param int $courseId
- * @return array with user id
- */
- public static function get_teacher_list_from_course_code($courseId)
- {
- $courseId = Database::escape_string($courseId);
- $teachers = array();
- $sql = "SELECT DISTINCT u.user_id, u.lastname, u.firstname, u.email, u.username, u.status
- FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)." cu
- INNER JOIN ".Database::get_main_table(TABLE_MAIN_USER)." u
- ON (cu.user_id = u.user_id)
- WHERE
- cu.c_id = '$courseId' AND
- cu.status = 1 ";
- $rs = Database::query($sql);
- while ($teacher = Database::fetch_array($rs)) {
- $teachers[$teacher['user_id']] = $teacher;
- }
- return $teachers;
- }
- /**
- * @param $courseId
- * @param string $separator
- * @param bool $add_link_to_profile
- * @return string
- */
- public static function get_teacher_list_from_course_code_to_string($courseId, $separator = null, $add_link_to_profile = false)
- {
- $teacher_list = self::get_teacher_list_from_course_code($courseId);
- return self::formatUserListToString($teacher_list, $separator, $add_link_to_profile);
- }
- public static function formatUserListToString($userList, $separator = null, $add_link_to_profile = false)
- {
- if (empty($separator)) {
- $separator = self::USER_SEPARATOR;
- }
- $teacher_string = '';
- $list = array();
- if (!empty($userList)) {
- foreach($userList as $teacher) {
- $teacher_name = api_get_person_name($teacher['firstname'], $teacher['lastname']);
- if ($add_link_to_profile) {
- $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&resizable=0&height=300&user_id='.$teacher['user_id'];
- $teacher_name = Display::url($teacher_name, $url, array('class' => 'ajax'));
- }
- $list[]= $teacher_name;
- }
- if (!empty($list)) {
- $teacher_string = ArrayClass::array_to_string($list, $separator);
- }
- }
- return $teacher_string;
- }
- /**
- * This function returns information about coachs from a course in session
- * @param int - optional, session id
- * @param string - optional, course code
- * @return array - array containing user_id, lastname, firstname, username
- *
- */
- public static function get_coachs_from_course($session_id = 0, $courseId = null) {
- if (!empty($session_id)) {
- $session_id = intval($session_id);
- } else {
- $session_id = api_get_session_id();
- }
- if (!empty($courseId)) {
- $courseId = Database::escape_string($courseId);
- } else {
- $courseId = api_get_course_int_id();
- }
- $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
- $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $coaches = array();
- $sql = "SELECT DISTINCT u.user_id, u.lastname, u.firstname, u.username
- FROM $tbl_user u, $tbl_session_course_user scu
- WHERE u.user_id = scu.id_user AND scu.id_session = '$session_id' AND scu.c_id = $courseId AND scu.status = 2";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs)) {
- $coaches[] = $row;
- }
- return $coaches;
- } else {
- return false;
- }
- }
- public static function get_coachs_from_course_to_string($session_id = 0, $courseId = null, $separator = self::USER_SEPARATOR, $add_link_to_profile = false) {
- $coachs_course = self::get_coachs_from_course($session_id, $courseId);
- $course_coachs = array();
- if (is_array($coachs_course)) {
- foreach ($coachs_course as $coach_course) {
- $coach_name = api_get_person_name($coach_course['firstname'], $coach_course['lastname']);
- if ($add_link_to_profile) {
- $url = api_get_path(WEB_AJAX_PATH).'user_manager.ajax.php?a=get_user_popup&resizable=0&height=300&user_id='.$coach_course['user_id'];
- $coach_name = Display::url($coach_name, $url, array('class' => 'ajax'));
- }
- $course_coachs[] = $coach_name;
- }
- }
- $coaches_to_string = null;
- if (is_array($course_coachs) && count($course_coachs)> 0 ) {
- $coaches_to_string = ArrayClass::array_to_string($course_coachs, $separator);
- }
- return $coaches_to_string;
- }
- public static function get_coach_list_from_course_code_to_string($courseId, $session_id) {
- $tutor_data = '';
- if ($session_id != 0) {
- $coaches = self::get_email_of_tutor_to_session($session_id, $courseId);
- $coach_list = array();
- foreach ($coaches as $coach) {
- $coach_list[] = $coach['complete_name'];
- }
- if (!empty($coach_list)) {
- $tutor_data = implode(self::USER_SEPARATOR, $coach_list);
- }
- }
- return $tutor_data;
- }
- /**
- * Return user info array of all users registered in the specified course
- * this includes the users of the course itsel and the users of all linked courses.
- *
- * @param array $course_info
- * @return array with user info
- */
- public static function get_real_and_linked_user_list($course_code, $with_sessions = true, $session_id = 0, $order_by = null) {
- $complete_user_list = array();
- //get users from real course
- $user_list = self::get_user_list_from_course_code($course_code, $session_id, null, $order_by);
- foreach ($user_list as $this_user) {
- $complete_user_list[] = $this_user;
- }
- return $complete_user_list;
- }
- /*
- GROUP FUNCTIONS
- */
- /**
- * Get the list of groups from the course
- * @param string Course code
- * @param int Session ID (optional)
- * @param int get empty groups (optional)
- * @return array List of groups info
- */
- public static function get_group_list_of_course($course_code, $session_id = 0, $in_get_empty_group = 0)
- {
- $course_info = api_get_course_info($course_code);
- if (empty($course_info)) {
- return array();
- }
- $course_id = $course_info['real_id'];
- $group_list = array();
- $session_id != 0 ? $session_condition = ' WHERE g.session_id IN(1,'.intval($session_id).')' : $session_condition = ' WHERE g.session_id = 0';
- if ($in_get_empty_group == 0) {
- // get only groups that are not empty
- $sql = "SELECT DISTINCT g.iid as id, g.name
- FROM ".Database::get_course_table(TABLE_GROUP)." AS g
- INNER JOIN ".Database::get_course_table(TABLE_GROUP_USER)." gu
- ON (g.iid = gu.group_id AND g.c_id = $course_id AND gu.c_id = $course_id)
- $session_condition
- ORDER BY g.name";
- } else {
- // get all groups even if they are empty
- $sql = "SELECT g.iid as id, g.name
- FROM ".Database::get_course_table(TABLE_GROUP)." AS g
- $session_condition
- AND c_id = $course_id";
- }
- $result = Database::query($sql);
- while ($group_data = Database::fetch_array($result)) {
- $group_data['userNb'] = GroupManager::number_of_students($group_data['id'], $course_id);
- $group_list[$group_data['id']] = $group_data;
- }
- return $group_list;
- }
- /**
- * Delete a course
- * This function deletes a whole course-area from the platform. When the
- * given course is a virtual course, the database and directory will not be
- * deleted.
- * When the given course is a real course, also all virtual courses refering
- * to the given course will be deleted.
- * Considering the fact that we remove all traces of the course in the main
- * database, it makes sense to remove all tracking as well (if stats databases exist)
- * so that a new course created with this code would not use the remains of an older
- * course.
- *
- * @param string The code of the course to delete
- * course from the groups in the real course if they are not subscribed in
- * that real course.
- */
- public static function delete_course($code)
- {
- $table_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $table_session_course = Database::get_main_table(TABLE_MAIN_SESSION_COURSE);
- $table_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $table_course_rel_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $table_course_survey = Database::get_main_table(TABLE_MAIN_SHARED_SURVEY);
- $table_course_survey_question = Database::get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
- $table_course_survey_question_option= Database::get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
- $table_stats_hotpots = Database::get_main_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
- $table_stats_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $table_stats_exercises = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $table_stats_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ACCESS);
- $table_stats_lastaccess = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LASTACCESS);
- $table_stats_course_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
- $table_stats_online = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ONLINE);
- $table_stats_default = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DEFAULT);
- $table_stats_downloads = Database::get_main_table(TABLE_STATISTIC_TRACK_E_DOWNLOADS);
- $table_stats_links = Database::get_main_table(TABLE_STATISTIC_TRACK_E_LINKS);
- $table_stats_uploads = Database::get_main_table(TABLE_STATISTIC_TRACK_E_UPLOADS);
- $courseInfo = api_get_course_info($code);
- if (empty($courseInfo)) {
- return false;
- }
- //self::create_database_dump($courseInfo);
- $code = Database::escape_string($code);
- $courseId = $courseInfo['real_id'];
- $course_tables = self::get_course_tables();
- // Cleaning c_x tables
- if (!empty($courseInfo['id'])) {
- foreach ($course_tables as $table) {
- $table = Database::get_course_table($table);
- $sql = "DELETE FROM $table WHERE c_id = $courseId ";
- Database::query($sql);
- }
- }
- if (!empty($courseInfo['directory'])) {
- $course_dir = api_get_path(SYS_COURSE_PATH).$courseInfo['directory'];
- $archive_dir = api_get_path(SYS_ARCHIVE_PATH).$courseInfo['directory'].'_'.time();
- if (is_dir($course_dir)) {
- rename($course_dir, $archive_dir);
- }
- }
- // Unsubscribe all classes from the course
- /*$sql = "DELETE FROM $table_course_class WHERE course_code='".$code."'";
- Database::query($sql);*/
- // Unsubscribe all users from the course
- $sql = "DELETE FROM $table_course_user WHERE c_id ='".$courseId."'";
- Database::query($sql);
- // Delete the course from the sessions tables
- $sql = "DELETE FROM $table_session_course WHERE c_id='".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_session_course_user WHERE c_id='".$courseId."'";
- Database::query($sql);
- // Delete from Course - URL
- $sql = "DELETE FROM $table_course_rel_url WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = 'SELECT survey_id FROM '.$table_course_survey.' WHERE course_code="'.$code.'"';
- $result_surveys = Database::query($sql);
- while($surveys = Database::fetch_array($result_surveys)) {
- $survey_id = $surveys[0];
- $sql = 'DELETE FROM '.$table_course_survey_question.' WHERE survey_id="'.$survey_id.'"';
- Database::query($sql);
- $sql = 'DELETE FROM '.$table_course_survey_question_option.' WHERE survey_id="'.$survey_id.'"';
- Database::query($sql);
- $sql = 'DELETE FROM '.$table_course_survey.' WHERE survey_id="'.$survey_id.'"';
- Database::query($sql);
- }
- // Delete the course from the stats tables
- $sql = "DELETE FROM $table_stats_hotpots WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_attempt WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_exercises WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_access WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_lastaccess WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_course_access WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_online WHERE course = '".$code."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_default WHERE default_cours_code = '".$code."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_downloads WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_links WHERE c_id = '".$courseId."'";
- Database::query($sql);
- $sql = "DELETE FROM $table_stats_uploads WHERE upload_cours_id = '".$code."'";
- Database::query($sql);
- if (api_is_multiple_url_enabled()) {
- $url_id = 1;
- if (api_get_current_access_url_id() != -1) {
- $url_id = api_get_current_access_url_id();
- }
- UrlManager::delete_url_rel_course($courseId, $url_id);
- }
- // delete extra course fields
- $t_cf = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $t_cfv = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $sql = "SELECT distinct field_id FROM $t_cfv WHERE course_code = '$code'";
- $res_field_ids = Database::query($sql);
- $field_ids = array();
- while($row_field_id = Database::fetch_row($res_field_ids)) {
- $field_ids[] = $row_field_id[0];
- }
- // Delete from table_course_field_value from a given course_code
- $sql_course_field_value = "DELETE FROM $t_cfv WHERE course_code = '$code'";
- Database::query($sql_course_field_value);
- $sql = "SELECT distinct field_id FROM $t_cfv";
- $res_field_all_ids = Database::query($sql);
- $field_all_ids = array();
- while($row_field_all_id = Database::fetch_row($res_field_all_ids)){
- $field_all_ids[] = $row_field_all_id[0];
- }
- if (isset($field_ids) && is_array($field_ids) && count($field_ids) > 0) {
- foreach ($field_ids as $field_id) {
- // check if field id is used into table field value
- if (!empty($field_all_ids) && is_array($field_all_ids)) {
- if (in_array($field_id, $field_all_ids)) {
- continue;
- } else {
- $sql_course_field = "DELETE FROM $t_cf WHERE id = '$field_id'";
- Database::query($sql_course_field);
- }
- }
- }
- }
- // Delete the course from the database
- /*$sql = "DELETE FROM $table_course WHERE id = '".$courseId."'";
- Database::query($sql);*/
- $em = self::getEntityManager();
- $course = $em->getRepository('ChamiloCoreBundle:Course')->find($courseId);
- $em->remove($course);
- $em->flush();
- // Add event to system log
- $user_id = api_get_user_id();
- Event::addEvent(LOG_COURSE_DELETE, LOG_COURSE_CODE, $code, api_get_utc_datetime(), $user_id, $code);
- }
- /**
- * Creates a file called mysql_dump.sql in the course folder
- * @param array course info
- * @return
- */
- public static function create_database_dump($courseInfo)
- {
- $sql_dump = null;
- if (empty($courseInfo)) {
- return null;
- }
- $course_tables = self::get_course_tables();
- if (!empty($courseInfo['real_id'])) {
- // Cleaning c_x tables
- foreach ($course_tables as $table) {
- $table = Database::get_course_table($table);
- $sql = "SELECT * FROM $table WHERE c_id = {$courseInfo['real_id']} ";
- $res_table = Database::query($sql);
- while ($row = Database::fetch_array($res_table, 'ASSOC')) {
- $row_to_save = array();
- foreach ($row as $key => $value) {
- $row_to_save[$key] = $key."='".Database::escape_string($row[$key])."'";
- }
- $sql_dump .= "INSERT INTO $table SET ".implode(', ', $row_to_save).';';
- }
- }
- }
- if (is_dir(api_get_path(SYS_COURSE_PATH).$courseInfo['directory'])) {
- $file_name = api_get_path(SYS_COURSE_PATH).$courseInfo['directory'].'/mysql_dump.sql';
- $handle = fopen($file_name, 'a+');
- if ($handle !== false) {
- fwrite($handle, $sql_dump);
- fclose($handle);
- }
- }
- }
- /**
- * Sort courses for a specific user ??
- * @param int User ID
- * @param string Course code
- * @return int Minimum course order
- * @todo Review documentation
- */
- public static function userCourseSort($user_id, $courseId) {
- if ($user_id != strval(intval($user_id))) {
- return false;
- }
- $courseId = Database::escape_string($courseId);
- $TABLECOURSE = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $course_title = Database::result(Database::query('SELECT title FROM '.$TABLECOURSE.' WHERE id = "'.$courseId.'"'), 0, 0);
- $sql = 'SELECT course.code as code, course.title as title, cu.sort as sort
- FROM '.$TABLECOURSUSER.' as cu, '.$TABLECOURSE.' as course
- WHERE course.id = cu.c_id AND
- user_id = "'.$user_id.'" AND
- cu.relation_type<>'.COURSE_RELATION_TYPE_RRHH.' AND
- user_course_cat = 0
- ORDER BY cu.sort';
- $result = Database::query($sql);
- $course_title_precedent = '';
- $counter = 0;
- $course_found = false;
- $course_sort = 1;
- if (Database::num_rows($result) > 0) {
- while ($courses = Database::fetch_array($result)) {
- if ($course_title_precedent == '') {
- $course_title_precedent = $courses['title'];
- }
- if (api_strcasecmp($course_title_precedent, $course_title) < 0) {
- $course_found = true;
- $course_sort = $courses['sort'];
- if ($counter == 0) {
- $sql = 'UPDATE '.$TABLECOURSUSER.' SET sort = sort+1 WHERE user_id = "'.$user_id.'" AND relation_type<>'.COURSE_RELATION_TYPE_RRHH.' AND user_course_cat="0" AND sort > "'.$course_sort.'"';
- $course_sort++;
- } else {
- $sql = 'UPDATE '.$TABLECOURSUSER.' SET sort = sort+1 WHERE user_id = "'.$user_id.'" AND relation_type<>'.COURSE_RELATION_TYPE_RRHH.' AND user_course_cat="0" AND sort >= "'.$course_sort.'"';
- }
- Database::query($sql);
- break;
- } else {
- $course_title_precedent = $courses['title'];
- }
- $counter++;
- }
- // We must register the course in the beginning of the list
- if (!$course_found) {
- $course_sort = Database::result(Database::query('SELECT min(sort) as min_sort FROM '.$TABLECOURSUSER.' WHERE user_id="'.$user_id.'" AND user_course_cat="0"'), 0, 0);
- Database::query('UPDATE '.$TABLECOURSUSER.' SET sort = sort+1 WHERE user_id= "'.$user_id.'" AND user_course_cat="0"');
- }
- }
- return $course_sort;
- }
- /**
- * create recursively all categories as option of the select passed in paramater.
- *
- * @param object $select_element the quickform select where the options will be added
- * @param string $category_selected_code the option value to select by default (used mainly for edition of courses)
- * @param string $parent_code the parent category of the categories added (default=null for root category)
- * @param string $padding the indent param (you shouldn't indicate something here)
- */
- public static function select_and_sort_categories($select_element, $category_selected_code = '', $parent_code = null , $padding = '') {
- $sql = "SELECT code, name, auth_course_child, auth_cat_child
- FROM ".Database::get_main_table(TABLE_MAIN_CATEGORY)."
- WHERE parent_id ".(is_null($parent_code) ? "IS NULL" : "='".Database::escape_string($parent_code)."'")."
- ORDER BY code";
- $res = Database::query($sql);
- while ($cat = Database::fetch_array($res)) {
- $params = $cat['auth_course_child'] == 'TRUE' ? '' : 'disabled';
- $params .= ($cat['code'] == $category_selected_code) ? ' selected' : '';
- $select_element->addOption($padding.'('.$cat['code'].') '.$cat['name'], $cat['code'], $params);
- if ($cat['auth_cat_child']) {
- self::select_and_sort_categories($select_element, $category_selected_code, $cat['code'], $padding.' - ');
- }
- }
- }
- /**
- * check if course exists
- * @param string course_code
- * @param string whether to accept virtual course codes or not
- * @return true if exists, false else
- */
- public static function course_exists($course_code, $accept_virtual = false) {
- if ($accept_virtual === true) {
- $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_COURSE).' WHERE code="'.Database::escape_string($course_code).'" OR visual_code="'.Database::escape_string($course_code).'"';
- } else {
- $sql = 'SELECT 1 FROM '.Database::get_main_table(TABLE_MAIN_COURSE).' WHERE code="'.Database::escape_string($course_code).'"';
- }
- return Database::num_rows(Database::query($sql));
- }
- /**
- * Send an email to tutor after the auth-suscription of a student in your course
- * @author Carlos Vargas <carlos.vargas@dokeos.com>, Dokeos Latino
- * @param int $user_id the id of the user
- * @param string $course_code the course code
- * @param string $send_to_tutor_also
- * @return string we return the message that is displayed when the action is succesfull
- */
- public static function email_to_tutor($user_id, $course_code, $send_to_tutor_also = false)
- {
- if ($user_id != strval(intval($user_id))) {
- return false;
- }
- $course_code = Database::escape_string($course_code);
- $student = Database::fetch_array(Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_USER)."
- WHERE user_id='".$user_id."'"));
- $courseInfo = api_get_course_info($course_code);
- $name_course = $courseInfo['title'];
- $sql = "SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE_USER)." WHERE c_id = '".$courseInfo['real_id']."'";
- // TODO: Ivan: This is a mistake, please, have a look at it. Intention here is diffcult to be guessed.
- //if ($send_to_tutor_also = true)
- // Proposed change:
- if ($send_to_tutor_also) {
- //
- $sql .= " AND tutor_id=1";
- } else {
- $sql .= " AND status=1";
- }
- $result = Database::query($sql);
- while ($row = Database::fetch_array($result)) {
- $tutor = Database::fetch_array(Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_USER)."
- WHERE user_id='".$row['user_id']."'"));
- $emailto = $tutor['email'];
- $emailsubject = get_lang('NewUserInTheCourse').': '.$name_course;
- $emailbody = get_lang('Dear').': '. api_get_person_name($tutor['firstname'], $tutor['lastname'])."\n";
- $emailbody .= get_lang('MessageNewUserInTheCourse').': '.$name_course."\n";
- $emailbody .= get_lang('UserName').': '.$student['username']."\n";
- if (api_is_western_name_order()) {
- $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
- $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
- } else {
- $emailbody .= get_lang('LastName').': '.$student['lastname']."\n";
- $emailbody .= get_lang('FirstName').': '.$student['firstname']."\n";
- }
- $emailbody .= get_lang('Email').': '.$student['email']."\n\n";
- $recipient_name = api_get_person_name($tutor['firstname'], $tutor['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
- $sender_name = api_get_person_name(api_get_setting('platform.administrator_name'), api_get_setting('platform.administrator_surname'), null, PERSON_NAME_EMAIL_ADDRESS);
- $email_admin = api_get_setting('platform.administrator_email');
- @api_mail($recipient_name, $emailto, $emailsubject, $emailbody, $sender_name,$email_admin);
- }
- }
- /**
- * @return array
- */
- public static function get_special_course_list()
- {
- $tbl_course = Database :: get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_field = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
- $tbl_course_field_value = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- //we filter the courses from the URL
- $join_access_url = $where_access_url='';
- if (api_get_multiple_access_url()) {
- $access_url_id = api_get_current_access_url_id();
- if ($access_url_id != -1) {
- $tbl_url_course = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $join_access_url= " INNER JOIN $tbl_course course ON (course.code = tcfv.course_code)
- INNER JOIN $tbl_url_course url_rel_course
- ON url_rel_course.c_id = course.id ";
- $where_access_url =" AND access_url_id = $access_url_id ";
- }
- }
- // get course list auto-register
- $sql = "SELECT DISTINCT(tcfv.course_code) FROM $tbl_course_field_value tcfv INNER JOIN $tbl_course_field tcf
- ON tcfv.field_id = tcf.id $join_access_url
- WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 $where_access_url";
- $special_course_result = Database::query($sql);
- $special_course_list = array();
- if (Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = $result_row['course_code'];
- }
- }
- return $special_course_list;
- }
- /**
- * Get list of courses for a given user
- * @param int user ID
- * @param boolean Whether to include courses from session or not
- * @return array List of codes and db names
- * @author isaac flores paz
- */
- public static function get_courses_list_by_user_id($user_id, $include_sessions = false) {
- $user_id = intval($user_id);
- $course_list = array();
- $codes = array();
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $tbl_user_course_category = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
- $special_course_list = self::get_special_course_list();
- $with_special_courses = $without_special_courses = '';
- if (!empty($special_course_list)) {
- $sc_string = '"'.implode('","',$special_course_list).'"';
- $with_special_courses = ' course.code IN ('.$sc_string.')';
- $without_special_courses = ' AND course.code NOT IN ('.$sc_string.')';
- }
- if (!empty($with_special_courses)) {
- $sql = "SELECT DISTINCT(course.code), course.id as real_id
- FROM ".$tbl_course_user." course_rel_user
- LEFT JOIN ".$tbl_course." course
- ON course.id = course_rel_user.c_id
- LEFT JOIN ".$tbl_user_course_category." user_course_category
- ON course_rel_user.user_course_cat = user_course_category.id
- WHERE $with_special_courses
- GROUP BY course.code
- ORDER BY user_course_category.sort,course.title,course_rel_user.sort ASC";
- $rs_special_course = Database::query($sql);
- if (Database::num_rows($rs_special_course) > 0) {
- while ($result_row = Database::fetch_array($rs_special_course)) {
- $result_row['special_course'] = 1;
- $course_list[] = $result_row;
- $codes[] = $result_row['real_id'];
- }
- }
- }
- // get course list not auto-register. Use Distinct to avoid multiple
- // entries when a course is assigned to a HRD (DRH) as watcher
- $sql = "SELECT DISTINCT(course.code), course.id as real_id
- FROM $tbl_course course
- INNER JOIN $tbl_course_user cru ON course.id = cru.c_id
- WHERE cru.user_id='$user_id' $without_special_courses";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $course_list[] = $row;
- $codes[] = $row['real_id'];
- }
- }
- if ($include_sessions === true) {
- $sql = "SELECT DISTINCT(c.code), c.id as real_id
- FROM ".Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER)." s, ".Database::get_main_table(TABLE_MAIN_COURSE)." c
- WHERE id_user = $user_id AND s.c_id =c.id";
- $r = Database::query($sql);
- while ($row = Database::fetch_array($r, 'ASSOC')) {
- if (!in_array($row['real_id'], $codes)) {
- $course_list[] = $row;
- }
- }
- }
- return $course_list;
- }
- /**
- * Get course ID from a given course directory name
- * @param string Course directory (without any slash)
- * @return string Course code, or false if not found
- */
- public static function get_course_id_from_path($path) {
- $path = Database::escape_string(str_replace('.', '', str_replace('/', '', $path)));
- $res = Database::query("SELECT code FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
- WHERE directory LIKE BINARY '$path'");
- if ($res === false) {
- return false;
- }
- if (Database::num_rows($res) != 1) {
- return false;
- }
- $row = Database::fetch_array($res);
- return $row['code'];
- }
- /**
- * Get course code(s) from visual code
- * @param string Visual code
- * @return array List of codes for the given visual code
- */
- public static function get_courses_info_from_visual_code($code) {
- $result = array();
- $sql_result = Database::query("SELECT * FROM ".Database::get_main_table(TABLE_MAIN_COURSE)."
- WHERE visual_code = '".Database::escape_string($code)."'");
- while ($virtual_course = Database::fetch_array($sql_result)) {
- $result[] = $virtual_course;
- }
- return $result;
- }
- /**
- * Get coachs' emails by session
- * @param int session id
- * @param int course id
- * @return array array(email => name_tutor) by coach
- * @author Carlos Vargas <carlos.vargas@dokeos.com>
- */
- public static function get_email_of_tutor_to_session($session_id, $courseId) {
- $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
- $coachs_emails = array();
- $courseId = Database::escape_string($courseId);
- $session_id = intval($session_id);
- $sql = "SELECT id_user FROM $tbl_session_course_user WHERE id_session='$session_id' AND c_id ='$courseId' AND status =2";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0) {
- $user_ids = array();
- while ($row = Database::fetch_array($rs)) {
- $user_ids[] = $row['id_user'];
- }
- $sql = "SELECT firstname, lastname, email FROM $tbl_user WHERE user_id IN (".implode(",",$user_ids).")";
- $rs_user = Database::query($sql);
- while ($row_emails = Database::fetch_array($rs_user)) {
- $mail_tutor = array('email' => $row_emails['email'], 'complete_name' => api_get_person_name($row_emails['firstname'], $row_emails['lastname']));
- $coachs_emails[] = $mail_tutor;
- }
- }
- return $coachs_emails;
- }
- /**
- * Creates a new extra field for a given course
- * @param string Field's internal variable name
- * @param int Field's type
- * @param string Field's language var name
- * @return int new extra field id
- */
- public static function create_course_extra_field($fieldvarname, $fieldtype, $fieldtitle) {
- // database table definition
- $t_cfv = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $t_cf = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $fieldvarname = Database::escape_string($fieldvarname);
- $fieldtitle = Database::escape_string($fieldtitle);
- $fieldtype = (int)$fieldtype;
- $time = time();
- $sql_field = "SELECT id FROM $t_cf WHERE field_variable = '$fieldvarname'";
- $res_field = Database::query($sql_field);
- $r_field = Database::fetch_row($res_field);
- if (Database::num_rows($res_field) > 0) {
- return $r_field[0];
- }
- // save new fieldlabel into course_field table
- $sql = "SELECT MAX(field_order) FROM $t_cf";
- $res = Database::query($sql);
- $order = 0;
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_row($res);
- $order = $row[0] + 1;
- }
- $sql = "INSERT INTO $t_cf
- SET field_type = '$fieldtype',
- field_variable = '$fieldvarname',
- field_display_text = '$fieldtitle',
- field_order = '$order',
- tms = FROM_UNIXTIME($time)";
- Database::query($sql);
- return Database::insert_id();
- }
- /**
- * Updates course attribute. Note that you need to check that your attribute is valid before you use this function
- *
- * @param int Course id
- * @param string Attribute name
- * @param string Attribute value
- * @return bool True if attribute was successfully updated, false if course was not found or attribute name is invalid
- */
- public static function update_attribute($id, $name, $value) {
- $id = (int)$id;
- $table = Database::get_main_table(TABLE_MAIN_COURSE);
- $sql = "UPDATE $table SET $name = '".Database::escape_string($value)."' WHERE id = '$id';";
- return Database::query($sql);
- }
- /**
- * Update course attributes. Will only update attributes with a non-empty value. Note that you NEED to check that your attributes are valid before using this function
- *
- * @param int Course id
- * @param array Associative array with field names as keys and field values as values
- * @return bool True if update was successful, false otherwise
- */
- public static function update_attributes($id, $attributes) {
- $id = (int)$id;
- $table = Database::get_main_table(TABLE_MAIN_COURSE);
- $sql = "UPDATE $table SET ";
- $i = 0;
- foreach($attributes as $name => $value) {
- if($value != '') {
- if($i > 0) {
- $sql .= ", ";
- }
- $sql .= " $name = '".Database::escape_string($value)."'";
- $i++;
- }
- }
- $sql .= " WHERE id = '$id';";
- return Database::query($sql);
- }
- /**
- * Update an extra field value for a given course
- * @param integer Course ID
- * @param string Field variable name
- * @param string Field value
- * @return boolean true if field updated, false otherwise
- */
- public static function update_course_extra_field_value($course_code, $fname, $fvalue = '') {
- $t_cfv = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $t_cf = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $fname = Database::escape_string($fname);
- $course_code = Database::escape_string($course_code);
- $fvalues = '';
- if (is_array($fvalue)) {
- foreach ($fvalue as $val) {
- $fvalues .= Database::escape_string($val).';';
- }
- if (!empty($fvalues)) {
- $fvalues = substr($fvalues, 0, -1);
- }
- } else {
- $fvalues = Database::escape_string($fvalue);
- }
- $sqlcf = "SELECT * FROM $t_cf WHERE field_variable='$fname'";
- $rescf = Database::query($sqlcf);
- if (Database::num_rows($rescf) == 1) {
- // Ok, the field exists
- // Check if enumerated field, if the option is available
- $rowcf = Database::fetch_array($rescf);
- $tms = time();
- $sqlcfv = "SELECT * FROM $t_cfv WHERE course_code = '$course_code' AND field_id = '".$rowcf['id']."' ORDER BY id";
- $rescfv = Database::query($sqlcfv);
- $n = Database::num_rows($rescfv);
- if ($n > 1) {
- //problem, we already have to values for this field and user combination - keep last one
- while ($rowcfv = Database::fetch_array($rescfv)) { // See the TODO note below.
- if ($n > 1) {
- $sqld = "DELETE FROM $t_cfv WHERE id = ".$rowcfv['id'];
- $resd = Database::query($sqld);
- $n--;
- }
- $rowcfv = Database::fetch_array($rescfv);
- if ($rowcfv['field_value'] != $fvalues) {
- $sqlu = "UPDATE $t_cfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = ".$rowcfv['id'];
- $resu = Database::query($sqlu);
- return ($resu ? true : false);
- }
- return true; // TODO: Sure exit from the function occures in this "while" cycle. Logic should checked. Maybe "if" instead of "while"? It is not clear...
- }
- } elseif ($n == 1) {
- //we need to update the current record
- $rowcfv = Database::fetch_array($rescfv);
- if ($rowcfv['field_value'] != $fvalues) {
- $sqlu = "UPDATE $t_cfv SET field_value = '$fvalues', tms = FROM_UNIXTIME($tms) WHERE id = ".$rowcfv['id'];
- $resu = Database::query($sqlu);
- return ($resu ? true : false);
- }
- return true;
- } else {
- $sqli = "INSERT INTO $t_cfv (course_code,field_id,field_value,tms) " .
- "VALUES ('$course_code',".$rowcf['id'].",'$fvalues',FROM_UNIXTIME($tms))";
- $resi = Database::query($sqli);
- return ($resi ? true : false);
- }
- } else {
- return false; //field not found
- }
- }
- /**
- * Get the course id of an course by the database name
- * @param string The database name
- * @return string The course id
- */
- public static function get_course_id_by_database_name($db_name) {
- return Database::result(Database::query('SELECT code FROM '.Database::get_main_table(TABLE_MAIN_COURSE).
- ' WHERE db_name="'.Database::escape_string($db_name).'"'), 0, 'code');
- }
- public static function get_session_category_id_by_session_id($session_id) {
- return Database::result(Database::query('SELECT sc.id session_category
- FROM '.Database::get_main_table(TABLE_MAIN_SESSION_CATEGORY).' sc
- INNER JOIN '.Database::get_main_table(TABLE_MAIN_SESSION).' s
- ON sc.id=s.session_category_id WHERE s.id="'.Database::escape_string($session_id).'"'),
- 0, 'session_category');
- }
- /**
- * Get the course id of an course by the database name
- * @param string The database name
- * @return string The course id
- */
- public static function get_course_extra_field_list($code) {
- $tbl_course_field = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $tbl_course_field_value = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $sql_field = "SELECT id, field_type, field_variable, field_display_text, field_default_value
- FROM $tbl_course_field WHERE field_visible = '1' ";
- $res_field = Database::query($sql_field);
- $extra_fields = array();
- while($rowcf = Database::fetch_array($res_field)) {
- $extra_field_id = $rowcf['id'];
- $sql_field_value = "SELECT field_value FROM $tbl_course_field_value WHERE course_code = '$code' AND field_id = '$extra_field_id' ";
- $res_field_value = Database::query($sql_field_value);
- if(Database::num_rows($res_field_value) > 0 ) {
- $r_field_value = Database::fetch_row($res_field_value);
- $rowcf['extra_field_value'] = $r_field_value[0];
- }
- $extra_fields[] = $rowcf;
- }
- return $extra_fields;
- }
- /**
- * Gets the value of a course extra field. Returns null if it was not found
- *
- * @param string Name of the extra field
- * @param string Course code
- * @return string Value
- */
- public static function get_course_extra_field_value($field_name, $code) {
- $tbl_course_field = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $tbl_course_field_value = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $sql = "SELECT id FROM $tbl_course_field WHERE field_visible = '1' AND field_variable = '$field_name';";
- $res = Database::query($sql);
- $row = Database::fetch_object($res);
- if(!$row) {
- return null;
- } else {
- $sql_field_value = "SELECT field_value FROM $tbl_course_field_value WHERE course_code = '$code' AND field_id = '{$row->id}';";
- $res_field_value = Database::query($sql_field_value);
- $row_field_value = Database::fetch_object($res_field_value);
- if(!$row_field_value) {
- return null;
- } else {
- return $row_field_value['field_value'];
- }
- }
- }
- /**
- * Get the database name of a course by the code
- * @param string The course code
- * @return string The database name
- */
- public static function get_name_database_course($course_code) {
- return Database::result(Database::query('SELECT db_name FROM '.Database::get_main_table(TABLE_MAIN_COURSE).
- ' WHERE code="'.Database::escape_string($course_code).'"'), 0, 'db_name');
- }
- /**
- * Lists details of the course description
- * @param array The course description
- * @param string The encoding
- * @param bool If true is displayed if false is hidden
- * @return string The course description in html
- */
- public static function get_details_course_description_html($descriptions, $charset, $action_show = true) {
- if (isset($descriptions) && count($descriptions) > 0) {
- $data = '';
- foreach ($descriptions as $id => $description) {
- $data .= '<div class="sectiontitle">';
- if (api_is_allowed_to_edit() && $action_show) {
- //delete
- $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&action=delete&description_id='.$description->id.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)).'\')) return false;">';
- $data .= Display::return_icon('delete.gif', get_lang('Delete'), array('style' => 'vertical-align:middle;float:right;'));
- $data .= '</a> ';
- //edit
- $data .= '<a href="'.api_get_self().'?'.api_get_cidreq().'&description_id='.$description->id.'">';
- $data .= Display::return_icon('edit.png', get_lang('Edit'), array('style' => 'vertical-align:middle;float:right; padding-right:4px;'), ICON_SIZE_SMALL);
- $data .= '</a> ';
- }
- $data .= $description->title;
- $data .= '</div>';
- $data .= '<div class="sectioncomment">';
- $data .= $description->content;
- $data .= '</div>';
- }
- } else {
- $data .= '<em>'.get_lang('ThisCourseDescriptionIsEmpty').'</em>';
- }
- return $data;
- }
- /**
- * Returns the details of a course category
- *
- * @param string Category code
- * @return array Course category
- */
- public static function get_course_category($code) {
- $table_categories = Database::get_main_table(TABLE_MAIN_CATEGORY);
- $sql = "SELECT * FROM $table_categories WHERE code = '$code';";
- return Database::fetch_array(Database::query($sql));
- }
- /**
- * Get count rows of a table inside a course database
- * @param string The table of which the rows should be counted
- * @param int optionally count rows by session id
- * @return int The number of rows in the given table.
- */
- public static function count_rows_course_table($table, $session_id = '', $course_id = null) {
- $condition_session = '';
- if ($session_id !== '') {
- $session_id = intval($session_id);
- $condition_session = " AND session_id = '$session_id' ";
- }
- if (!empty($course_id)) {
- $course_id = intval($course_id);
- } else {
- $course_id = api_get_course_int_id();
- }
- $condition_session .= " AND c_id = '$course_id' ";
- $sql = "SELECT COUNT(*) AS n FROM $table WHERE 1=1 $condition_session ";
- $rs = Database::query($sql);
- $row = Database::fetch_row($rs);
- return $row[0];
- }
- /**
- * Subscribes courses to human resource manager (Dashboard feature)
- * @param int Human Resource Manager id
- * @param array Courses code
- * @param int Relation type
- **/
- public static function suscribe_courses_to_hr_manager($hr_manager_id, $courses_list) {
- // Database Table Definitions
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $hr_manager_id = intval($hr_manager_id);
- $affected_rows = 0;
- //Deleting assigned courses to hrm_id
- if (api_is_multiple_url_enabled()) {
- $sql = "SELECT s.c_id FROM $tbl_course_rel_user s INNER JOIN $tbl_course_rel_access_url a ON (a.c_id = s.c_id)
- WHERE user_id = $hr_manager_id AND relation_type=".COURSE_RELATION_TYPE_RRHH." AND access_url_id = ".api_get_current_access_url_id()."";
- } else {
- $sql = "SELECT c_id FROM $tbl_course_rel_user
- WHERE user_id = $hr_manager_id AND relation_type=".COURSE_RELATION_TYPE_RRHH." ";
- }
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0) {
- while ($row = Database::fetch_array($result)) {
- $sql = "DELETE FROM $tbl_course_rel_user WHERE c_id = '{$row['c_id']}' AND user_id = $hr_manager_id AND relation_type=".COURSE_RELATION_TYPE_RRHH." ";
- Database::query($sql);
- }
- }
- // inserting new courses list
- if (is_array($courses_list)) {
- foreach ($courses_list as $courseId) {
- $courseId = Database::escape_string($courseId);
- $insert_sql = "INSERT IGNORE INTO $tbl_course_rel_user(c_id, user_id, status, relation_type) VALUES('$courseId', $hr_manager_id, '".DRH."', '".COURSE_RELATION_TYPE_RRHH."')";
- $result = Database::query($insert_sql);
- if (Database::affected_rows($result)) {
- $affected_rows++;
- }
- }
- }
- return $affected_rows;
- }
- /**
- * get courses followed by human resources manager
- * @param int human resources manager id
- * @return array courses
- */
- public static function get_courses_followed_by_drh($user_id)
- {
- // Database Table Definitions
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $tbl_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $user_id = intval($user_id);
- $assigned_courses_to_hrm = array();
- if (api_get_multiple_access_url()) {
- $sql = "SELECT *, c.id as real_id FROM $tbl_course c
- INNER JOIN $tbl_course_rel_user cru ON (cru.c_id = c.id)
- LEFT JOIN $tbl_course_rel_access_url a ON (a.c_id = c.id)
- WHERE
- cru.user_id = '$user_id' AND
- status = ".DRH." AND
- relation_type = '".COURSE_RELATION_TYPE_RRHH."' AND
- access_url_id = ".api_get_current_access_url_id()."";
- } else {
- $sql = "SELECT *, c.id as real_id FROM $tbl_course c
- INNER JOIN $tbl_course_rel_user cru
- ON
- cru.c_id = c.id AND cru.user_id = '$user_id' AND
- status = ".DRH." AND
- relation_type = '".COURSE_RELATION_TYPE_RRHH."' ";
- }
- $rs_assigned_courses = Database::query($sql);
- if (Database::num_rows($rs_assigned_courses) > 0) {
- while ($row_assigned_courses = Database::fetch_array($rs_assigned_courses)) {
- $assigned_courses_to_hrm[$row_assigned_courses['code']] = $row_assigned_courses;
- }
- }
- return $assigned_courses_to_hrm;
- }
- /**
- * check if a course is special (autoregister)
- * @param string course code
- */
- public static function is_special_course($course_code){
- $tbl_course_field_value = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $tbl_course_field = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $is_special = false;
- $sql = "SELECT course_code FROM $tbl_course_field_value tcfv INNER JOIN $tbl_course_field tcf ON " .
- " tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 AND course_code='$course_code'";
- $result = Database::query($sql);
- $num_rows = Database::num_rows($result);
- if ($num_rows > 0){
- $is_special = true;
- }
- return $is_special;
- }
- /**
- * Update course picture
- * @param string Course code
- * @param string File name
- * @param string The full system name of the image from which course picture will be created.
- * @return bool Returns the resulting. In case of internal error or negative validation returns FALSE.
- */
- public static function update_course_picture($course_code, $filename, $source_file = null) {
- $course_info = api_get_course_info($course_code);
- $store_path = api_get_path(SYS_COURSE_PATH).$course_info['path']; // course path
- $course_image = $store_path.'/course-pic.png'; // image name for courses
- $course_medium_image = $store_path.'/course-pic85x85.png';
- //$extension = strtolower(substr(strrchr($filename, '.'), 1));
- if (file_exists($course_image)) {
- @unlink($course_image);
- }
- if (file_exists($course_medium_image)) {
- @unlink($course_medium_image);
- }
- $my_course_image = new Image($source_file);
- $result = $my_course_image->send_image($course_image, -1, 'png');
- //Redimension image to 100x85
- if ($result) {
- $medium = new Image($course_image);
- //$picture_infos = $medium->get_image_size();
- $medium->resize(100, 85, 0, false);
- $medium->send_image($store_path.'/course-pic85x85.png', -1, 'png');
- }
- return $result;
- }
- /**
- * Builds the course block in user_portal.php
- * @todo use Twig
- */
- public static function course_item_html($params, $is_sub_content = false)
- {
- $rowDiv = '<div class="row">';
- $html = '';
- $class = "well course-box";
- if ($is_sub_content) {
- $class = "course_item";
- }
- if (!empty($params['is_session'])) {
- $class .= " session-item";
- }
- $html .= '<div class="'.$class.'">';
- $html .= $rowDiv;
- $html .= '<div class="col-md-11">';
- $html .= $rowDiv;
- $html .= '<div class="col-md-2 course-box-thumbnail-box">';
- if (!empty($params['link'])) {
- $html .= '<a class="thumbnail" href="'.$params['link'].'">';
- $html .= $params['icon'];
- $html .= '</a>';
- } else {
- $html .= '<div class="thumbnail">';
- $html .= $params['icon'];
- $html .= '</div>';
- }
- $html .= '</div>';
- $notifications = isset($params['notifications']) ? $params['notifications'] : null;
- $param_class = isset($params['class']) ? $params['class'] : '';
- if (!empty($params['is_session'])) {
- $param_class .= ' session-box-text';
- } else {
- $param_class .= ' course-box-text';
- }
- $html .= '<div class="col-md-10 '.$param_class.'">';
- $html .='<h3>'.$params['title'].$notifications.'</h3> ';
- if (!empty($params['subtitle'])) {
- $html .= '<small>'.$params['subtitle'].'</small>';
- }
- if (!empty($params['teachers'])) {
- $html .= '<h5>'.Display::return_icon('teacher.png', get_lang('Teacher'), array(), ICON_SIZE_TINY).$params['teachers'].'</h5>';
- }
- if (!empty($params['coaches'])) {
- $html .= '<h5>'.Display::return_icon('teacher.png', get_lang('Coach'), array(), ICON_SIZE_TINY).$params['coaches'].'</h5>';
- }
- $html .= '</div>';
- $html .= '</div>';
- $html .= '</div>';
- $params['right_actions'] = isset($params['right_actions']) ? $params['right_actions'] : null;
- $html .= '<div class="col-md-1 pull-right course-box-actions">'.$params['right_actions'].'</div>';
- $html .= '</div>';
- $html .= '</div>';
- return $html;
- }
- public static function course_item_parent($main_content, $sub_content, $sub_sub_content = null)
- {
- return '<div class="well">'.$main_content.$sub_content.$sub_sub_content.'</div>';
- }
- /**
- * Display special courses (and only these) as several HTML divs of class userportal-course-item
- *
- * Special courses are courses that stick on top of the list and are "auto-registerable"
- * in the sense that any user clicking them is registered as a student
- * @param int User id
- * @param bool Whether to show the document quick-loader or not
- * @return void
- */
- public static function displaySpecialCourses($user_id, $filter, $load_dirs, $getCount, $start = null, $maxPerPage = null)
- {
- $user_id = intval($user_id);
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $special_course_list = self::get_special_course_list();
- $html = null;
- if (!empty($special_course_list)) {
- $with_special_courses = ' course.code IN ("'.implode('","',$special_course_list).'")';
- } else {
- return null;
- }
- $select = " course.id,
- course.code,
- course.subscribe subscr,
- course.unsubscribe unsubscr,
- course_rel_user.status status,
- course_rel_user.sort sort,
- course_rel_user.user_course_cat user_course_cat,
- course_rel_user.user_id";
- if ($getCount) {
- $select = "COUNT(course.id) as total";
- }
- $sql = "SELECT $select
- FROM $tbl_course course
- LEFT JOIN $tbl_course_user course_rel_user
- ON course.id = course_rel_user.c_id AND course_rel_user.user_id = '$user_id'
- WHERE $with_special_courses ";
- if ($getCount) {
- $result = Database::query($sql);
- $row = Database::fetch_array($result);
- return $row['total'];
- }
- $group = " GROUP BY course.code ";
- $sql .= $group;
- $rs_special_course = Database::query($sql);
- $number_of_courses = Database::num_rows($rs_special_course);
- $key = 0;
- if ($number_of_courses > 0) {
- while ($course = Database::fetch_array($rs_special_course)) {
- $course_info = api_get_course_info($course['code']);
- $params = array();
- $course_info['id_session'] = null;
- $course_info['status'] = $course['status'];
- $show_notification = Display::show_notification($course_info);
- if (empty($course['user_id'])) {
- $course['status'] = STUDENT;
- }
- $params['icon'] = Display::return_icon('blackboard.png', $course_info['title'], array(), ICON_SIZE_LARGE);
- $params['right_actions'] = '';
- if (api_is_platform_admin()) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- if ($course['status'] == COURSEMANAGER) {
- //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
- }
- } else {
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course['real_id'].'_0', 'class'=>'document_preview_container'));
- }
- }
- }
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
- $course_title = '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0&autoreg=1">'.$course_info['title'].'</a>';
- } else {
- $course_title = $course_info['title']." ".Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
- }
- if (api_get_setting('course.display_coursecode_in_courselist')
- == 'true') {
- $course_title .= ' ('.$course_info['visual_code'].') ';
- }
- if (api_get_setting('course.display_teacher_in_courselist') == 'true') {
- $params['teachers'] = CourseManager::get_teacher_list_from_course_code_to_string($course['real_id'], self::USER_SEPARATOR, true);
- }
- $course_title .= ' ';
- $course_title .= Display::return_icon('klipper.png', get_lang('CourseAutoRegister'));
- $params['title'] = $course_title;
- $params['link'] = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0&autoreg=1';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- $params['notifications'] = $show_notification;
- }
- $html .= self::course_item_html($params, false);
- $key++;
- }
- }
- return $html;
- }
- public static function displayPersonalCourseCategories($user_id, $filter, $load_dirs, $getCount, $start = null, $maxPerPage = null) {
- $tableUserCourseCategory = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
- // Table definitions
- $TABLECOURS = Database :: get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- $TABLE_ACCESS_URL_REL_COURSE = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $current_url_id = api_get_current_access_url_id();
- $sql = "SELECT * FROM $tableUserCourseCategory
- WHERE user_id = $user_id";
- if ($getCount) {
- $sql = "SELECT COUNT(id) as total FROM $tableUserCourseCategory WHERE user_id = $user_id";
- $result = Database::query($sql);
- $row = Database::fetch_array($result);
- return $row['total'];
- }
- $order = " ORDER BY sort";
- $sql .= $order;
- if (isset($start) && isset($maxPerPage)) {
- $start = intval($start);
- $maxPerPage = intval($maxPerPage);
- $limitCondition = " LIMIT $start, $maxPerPage";
- $sql .= $limitCondition;
- }
- $result = Database::query($sql);
- $html = null;
- if (Database::num_rows($result)) {
- while ($category = Database::fetch_array($result)) {
- $categoryId = $category['id'];
- $select = " SELECT DISTINCT
- course.id,
- course.title,
- course.code,
- course.subscribe subscr,
- course.unsubscribe unsubscr,
- course_rel_user.status status,
- course_rel_user.sort sort,
- course_rel_user.user_course_cat user_course_cat";
- $from = "$TABLECOURS course, $TABLECOURSUSER course_rel_user, $TABLE_ACCESS_URL_REL_COURSE url, $tableUserCourseCategory user_cat";
- $where = " course.id = course_rel_user.c_id AND
- url.c_id = course.id AND
- user_cat.user_id = $user_id AND
- course_rel_user.user_id = $user_id AND
- course_rel_user.user_course_cat = $categoryId ";
- // Use user's classification for courses (if any).
- $order = " ORDER BY user_cat.sort ASC";
- $sql = "$select FROM $from WHERE $where ";
- // corresponding to the current URL.
- if (api_get_multiple_access_url() && $current_url_id != -1) {
- $sql .= " AND url.course_code=course.code AND access_url_id='".$current_url_id."'";
- }
- $sql .= $order;
- $resultCourse = Database::query($sql);
- $course_list = array();
- $courseHTML = null;
- // Browse through all courses.
- while ($course = Database::fetch_array($resultCourse)) {
- $course_info = api_get_course_info($course['code']);
- //$course['id_session'] = null;
- $course_info['id_session'] = null;
- $course_info['status'] = $course['status'];
- //In order to avoid doubles
- if (in_array($course_info['real_id'], $course_list)) {
- continue;
- } else {
- $course_list[] = $course_info['real_id'];
- }
- // For each course, get if there is any notification icon to show
- // (something that would have changed since the user's last visit).
- $show_notification = Display :: show_notification($course_info);
- // New code displaying the user's status in respect to this course.
- $status_icon = Display::return_icon('blackboard.png', $course_info['title'], array(), ICON_SIZE_LARGE);
- $params = array();
- $params['right_actions'] = '';
- if (api_is_platform_admin()) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- if ($course_info['status'] == COURSEMANAGER) {
- //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
- }
- } else {
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- if ($course_info['status'] == COURSEMANAGER) {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- }
- }
- }
- $course_title_url = '';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
- $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
- $course_title = Display::url($course_info['title'], $course_title_url);
- } else {
- $course_title = $course_info['title']." ".Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
- }
- // Start displaying the course block itself
- if (api_get_setting('course.display_coursecode_in_courselist') == 'true') {
- $course_title .= ' ('.$course_info['visual_code'].') ';
- }
- if (api_get_setting('course.display_teacher_in_courselist') == 'true') {
- $teachers = CourseManager::get_teacher_list_from_course_code_to_string($course['real_id'], self::USER_SEPARATOR, true);
- }
- $params['link'] = $course_title_url;
- $params['icon'] = $status_icon;
- $params['title'] = $course_title;
- $params['teachers'] = $teachers;
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- $params['notifications'] = $show_notification;
- }
- $courseHTML .= self::course_item_html($params, true);
- }
- $params = array();
- $params['icon'] = Display::return_icon('folder_yellow.png', $category['title'], array(), ICON_SIZE_LARGE);
- $params['title'] = $category['title'];
- $params['class'] = 'table_user_course_category';
- $html .= self::course_item_parent(self::course_item_html($params, true), $courseHTML);
- }
- }
- return $html;
- }
- /**
- * @param int $user_id
- * @param $filter
- * @param bool $load_dirs
- * @param int $getCount
- * @param int $start
- * @param null $maxPerPage
- * @return null|string
- */
- public static function displayCourses($user_id, $filter, $load_dirs, $getCount, $start = null, $maxPerPage = null)
- {
- // Table definitions
- $TABLECOURS = Database :: get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- $TABLE_ACCESS_URL_REL_COURSE = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $current_url_id = api_get_current_access_url_id();
- // Get course list auto-register
- $special_course_list = self::get_special_course_list();
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- //$without_special_courses = ' AND course.code NOT IN ("'.implode('","',$special_course_list).'")';
- }
- $select = " SELECT DISTINCT
- course.id,
- course.title,
- course.code,
- course.subscribe subscr,
- course.unsubscribe unsubscr,
- course_rel_user.status status,
- course_rel_user.sort sort,
- course_rel_user.user_course_cat user_course_cat,
- course.id as real_id
- ";
- $from = "$TABLECOURS course, $TABLECOURSUSER course_rel_user, $TABLE_ACCESS_URL_REL_COURSE url ";
- $where = " course.id = course_rel_user.c_id AND
- url.c_id = course.id AND
- course_rel_user.user_id = '".$user_id."' AND
- course_rel_user.user_course_cat = 0
- ";
- $order = " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
- if ($getCount) {
- $select = "SELECT count(course.id) as total";
- }
- $sql = "$select FROM $from WHERE $where $without_special_courses ";
- // corresponding to the current URL.
- if (api_get_multiple_access_url() && $current_url_id != -1) {
- $sql .= " AND url.c_id = course.id AND access_url_id='".$current_url_id."'";
- }
- $sql .= $order;
- if (isset($start) && isset($maxPerPage)) {
- $start = intval($start);
- $maxPerPage = intval($maxPerPage);
- $limitCondition = " LIMIT $start, $maxPerPage";
- $sql .= $limitCondition;
- }
- if ($getCount) {
- $result = Database::query($sql);
- $row = Database::fetch_array($result);
- return $row['total'];
- }
- $result = Database::query($sql);
- $html = null;
- $course_list = array();
- // Browse through all courses.
- while ($course = Database::fetch_array($result)) {
- $course_info = api_get_course_info($course['code']);
- $course_info['id_session'] = null;
- $course_info['status'] = $course['status'];
- //In order to avoid doubles
- if (in_array($course_info['real_id'], $course_list)) {
- continue;
- } else {
- $course_list[] = $course_info['real_id'];
- }
- // For each course, get if there is any notification icon to show
- // (something that would have changed since the user's last visit).
- $show_notification = Display :: show_notification($course_info);
- // New code displaying the user's status in respect to this course.
- $status_icon = Display::return_icon('blackboard.png', $course_info['title'], array(), ICON_SIZE_LARGE);
- $params = array();
- $params['right_actions'] = '';
- if (api_is_platform_admin()) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- if ($course_info['status'] == COURSEMANAGER) {
- //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
- }
- } else {
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- if ($course_info['status'] == COURSEMANAGER) {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- }
- }
- }
- //$course_title = $course_info['title'];
- $course_title_url = '';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
- //$course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
- $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['code'].'/index.php?id_session=0';
- $course_title = Display::url($course_info['title'], $course_title_url);
- } else {
- $course_title = $course_info['title']." ".Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
- }
- // Start displaying the course block itself
- if (api_get_setting('course.display_coursecode_in_courselist') == 'true') {
- $course_title .= ' ('.$course_info['visual_code'].') ';
- }
- $teachers = null;
- if (api_get_setting('course.display_teacher_in_courselist') == 'true') {
- $teachers = $course_info['teacher_list_formatted'];
- }
- $params['link'] = $course_title_url;
- $params['icon'] = $status_icon;
- $params['title'] = $course_title;
- $params['teachers'] = $teachers;
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- $params['notifications'] = $show_notification;
- }
- $is_subcontent = true;
- if (empty($user_category_id)) {
- $is_subcontent = false;
- }
- $html .= self::course_item_html($params, $is_subcontent);
- }
- return $html;
- }
- /**
- * Display courses (without special courses) as several HTML divs
- * of course categories, as class userportal-catalog-item.
- * @uses display_courses_in_category() to display the courses themselves
- * @param int user id
- * @param bool Whether to show the document quick-loader or not
- * @return void
- */
- public static function display_courses($user_id, $load_dirs = false) {
- $user_id = intval($user_id);
- if (empty($user_id)) {
- $user_id = api_get_user_id();
- }
- $html = null;
- // Step 1: We get all the categories of the user
- $tucc = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
- $sql = "SELECT id, title FROM $tucc WHERE user_id='".$user_id."' ORDER BY sort ASC";
- $result = Database::query($sql);
- while ($row = Database::fetch_array($result)) {
- $params = array();
- // We simply display the title of the category.
- $params['icon'] = Display::return_icon('folder_yellow.png', $row['title'], array(), ICON_SIZE_LARGE);
- $params['title'] = $row['title'];
- $params['class'] = 'table_user_course_category';
- $html .= self::course_item_parent(self::course_item_html($params, true), self :: display_courses_in_category($row['id'], $load_dirs));
- }
- // Step 2: We display the course without a user category.
- $html .= self :: display_courses_in_category(0, $load_dirs);
- return $html;
- }
- /**
- * Display courses inside a category (without special courses) as HTML dics of
- * class userportal-course-item.
- * @param int User category id
- * @param bool Whether to show the document quick-loader or not
- * @return void
- */
- public static function display_courses_in_category($user_category_id, $load_dirs = false)
- {
- $user_id = api_get_user_id();
- // Table definitions
- $TABLECOURS = Database :: get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- $TABLE_ACCESS_URL_REL_COURSE = Database :: get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $current_url_id = api_get_current_access_url_id();
- // Get course list auto-register
- $special_course_list = self::get_special_course_list();
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ("'.implode('","',$special_course_list).'")';
- }
- //AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
- $sql = "SELECT course.id,
- course.title,
- course.code,
- course.subscribe subscr,
- course.unsubscribe unsubscr,
- course_rel_user.status status,
- course_rel_user.sort sort,
- course_rel_user.user_course_cat user_course_cat
- FROM $TABLECOURS course,
- $TABLECOURSUSER course_rel_user, ".$TABLE_ACCESS_URL_REL_COURSE." url
- WHERE course.code = course_rel_user.course_code AND
- url.c_id = course.id AND
- course_rel_user.user_id = '".$user_id."' AND
- course_rel_user.user_course_cat='".$user_category_id."' $without_special_courses ";
- // If multiple URL access mode is enabled, only fetch courses
- // corresponding to the current URL.
- if (api_get_multiple_access_url() && $current_url_id != -1) {
- $sql .= " AND url.course_code=course.code AND access_url_id='".$current_url_id."'";
- }
- // Use user's classification for courses (if any).
- $sql .= " ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
- $result = Database::query($sql);
- $status_icon = '';
- $html = '';
- $course_list = array();
- // Browse through all courses.
- while ($course = Database::fetch_array($result)) {
- $course_info = api_get_course_info($course['code']);
- //$course['id_session'] = null;
- $course_info['id_session'] = null;
- $course_info['status'] = $course['status'];
- //In order to avoid doubles
- if (in_array($course_info['real_id'], $course_list)) {
- continue;
- } else {
- $course_list[] = $course_info['real_id'];
- }
- // For each course, get if there is any notification icon to show
- // (something that would have changed since the user's last visit).
- $show_notification = Display :: show_notification($course_info);
- // New code displaying the user's status in respect to this course.
- $status_icon = Display::return_icon('blackboard.png', $course_info['title'], array(), ICON_SIZE_LARGE);
- $params = array();
- $params['right_actions'] = '';
- if (api_is_platform_admin()) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- if ($course_info['status'] == COURSEMANAGER) {
- //echo Display::return_icon('teachers.gif', get_lang('Status').': '.get_lang('Teacher'), array('style'=>'width: 11px; height: 11px;'));
- }
- } else {
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_0" class="document_preview" href="javascript:void(0);">'.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container'));
- } else {
- if ($course_info['status'] == COURSEMANAGER) {
- $params['right_actions'].= '<a href="'.api_get_path(WEB_CODE_PATH).'course_info/infocours.php?cidReq='.$course['code'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- }
- }
- }
- }
- $course_title = $course_info['title'];
- $course_title_url = '';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) {
- $course_title_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session=0';
- $course_title = Display::url($course_info['title'], $course_title_url);
- } else {
- $course_title = $course_info['title']." ".Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
- }
- // Start displaying the course block itself
- if (api_get_setting('course.display_coursecode_in_courselist') == 'true') {
- $course_title .= ' ('.$course_info['visual_code'].') ';
- }
- if (api_get_setting('course.display_teacher_in_courselist') == 'true') {
- $teachers = CourseManager::get_teacher_list_from_course_code_to_string($course['real_id'], self::USER_SEPARATOR, true);
- }
- $params['link'] = $course_title_url;
- $params['icon'] = $status_icon;
- $params['title'] = $course_title;
- $params['teachers'] = $teachers;
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- $params['notifications'] = $show_notification;
- }
- $is_subcontent = true;
- if (empty($user_category_id)) {
- $is_subcontent = false;
- }
- $html .= self::course_item_html($params, $is_subcontent);
- }
- return $html;
- }
- /**
- * Retrieves the user defined course categories
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @return array containing all the titles of the user defined courses with the id as key of the array
- */
- function get_user_course_categories()
- {
- $output = array();
- $table_category = Database::get_main_table(TABLE_USER_COURSE_CATEGORY);
- $sql = "SELECT * FROM ".$table_category." WHERE user_id='".Database::escape_string(api_get_user_id())."'";
- $result = Database::query($sql);
- while ($row = Database::fetch_array($result)) {
- $output[$row['id']] = $row['title'];
- }
- return $output;
- }
- /**
- * Get the course id based on the original id and field name in the extra fields. Returns 0 if course was not found
- *
- * @param string Original course id
- * @param string Original field name
- * @return int Course id
- */
- public static function get_course_id_from_original_id($original_course_id_value, $original_course_id_name)
- {
- $t_cfv = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- $table_field = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $courseTable = Database::get_main_table(TABLE_MAIN_COURSE);
- $sql_course = "SELECT c.id FROM $table_field cf INNER JOIN $t_cfv cfv ON cfv.field_id = cf.id
- INNER JOIN $courseTable as c on c.code = cfv.course_code
- WHERE field_variable='$original_course_id_name' AND field_value='$original_course_id_value'";
- $res = Database::query($sql_course);
- $row = Database::fetch_object($res);
- if ($row != false) {
- return $row->id;
- } else {
- return 0;
- }
- }
- /**
- * Display code for one specific course a logged in user is subscribed to.
- * Shows a link to the course, what's new icons...
- *
- * $my_course['d'] - course directory
- * $my_course['i'] - course title
- * $my_course['c'] - visual course code
- * $my_course['k'] - system course code
- *
- * @param array Course details
- * @param integer Session ID
- * @param string CSS class to apply to course entry
- * @param boolean Whether the session is supposedly accessible now (not in the case it has passed and is in invisible/unaccessible mode)
- * @param bool Whether to show the document quick-loader or not
- * @return string The HTML to be printed for the course entry
- *
- * @version 1.0.3
- * @todo refactor into different functions for database calls | logic | display
- * @todo replace single-character $my_course['d'] indices
- * @todo move code for what's new icons to a separate function to clear things up
- * @todo add a parameter user_id so that it is possible to show the courselist of other users (=generalisation). This will prevent having to write a new function for this.
- */
- public static function get_logged_user_course_html($course, $session_id = 0, $load_dirs = false)
- {
- $course_info = api_get_course_info_by_id($course['id']);
- $course_info['id_session'] = $session_id;
- // Display course entry.
- // Show a link to the course, unless the course is closed and user is not course admin.
- $session_url = '';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course_info['user_status_in_course'] == COURSEMANAGER) {
- $session_url = api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session='.$course_info['id_session'];
- $session_title = '<a href="'.api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?id_session='.$course_info['id_session'].'">'.$course_info['name'].'</a>';
- } else {
- $session_title = $course_info['name'].' '.Display::tag('span',get_lang('CourseClosed'), array('class'=>'item_closed'));
- }
- $params = array();
- $params['icon'] = Display::return_icon('blackboard_blue.png', $course_info['name'], array(), ICON_SIZE_LARGE);
- $params['link'] = $session_url;
- $params['title'] = $session_title;
- $params['right_actions'] = '';
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- if ($load_dirs) {
- $params['right_actions'] .= '<a id="document_preview_'.$course_info['real_id'].'_'.$course_info['id_session'].'" class="document_preview" href="javascript:void(0);">'.
- Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).'</a>';
- $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_'.$course_info['id_session'], 'class'=>'document_preview_container'));
- }
- }
- if (api_get_setting('course.display_coursecode_in_courselist') == 'true') {
- $session_title .= ' ('.$course_info['visual_code'].') ';
- }
- if (api_get_setting('course.display_teacher_in_courselist') == 'true') {
- $teacher_list = CourseManager::get_teacher_list_from_course_code_to_string($course_info['real_id'], self::USER_SEPARATOR, true);
- $course_coachs = CourseManager::get_coachs_from_course_to_string($course_info['id_session'], $course_info['real_id'], self::USER_SEPARATOR, true);
- $params['teachers'] = $teacher_list;
- $params['coaches'] = $course_coachs;
- }
- $session_title .= isset($course['special_course']) ? ' '.Display::return_icon('klipper.png', get_lang('CourseAutoRegister')) : '';
- // Display the "what's new" icons
- if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED) {
- $session_title .= Display :: show_notification($course_info);
- }
- $params['title'] = $session_title;
- $params['extra'] = '';
- $html = self::course_item_html($params, true);
- return $html;
- }
- /**
- *
- * @param string source course code
- * @param int source session id
- * @param string destination course code
- * @param int destination session id
- * @return bool
- */
- public static function copy_course($source_course_code, $source_session_id, $destination_course_code, $destination_session_id, $params = array()) {
- require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseBuilder.class.php';
- require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseRestorer.class.php';
- require_once api_get_path(SYS_CODE_PATH).'coursecopy/classes/CourseSelectForm.class.php';
- $course_info = api_get_course_info($source_course_code);
- if (!empty($course_info)) {
- $cb = new CourseBuilder('', $course_info);
- $course = $cb->build($source_session_id, $source_course_code, true);
- $course_restorer = new CourseRestorer($course);
- $course_restorer->skip_content = $params;
- $course_restorer->restore($destination_course_code, $destination_session_id, true, true);
- return true;
- }
- return false;
- }
- /**
- * A simpler version of the copy_course, the function creates an empty course with an autogenerated course code
- *
- * @param string new course title
- * @param string source course code
- * @param int source session id
- * @param int destination session id
- * @param bool new copied tools (Exercises and LPs)will be set to invisible by default?
- *
- * @return array
- */
- public static function copy_course_simple($new_title, $source_course_code, $source_session_id = 0, $destination_session_id = 0, $params = array())
- {
- $source_course_info = api_get_course_info($source_course_code);
- if (!empty($source_course_info)) {
- $new_course_code = self::generate_nice_next_course_code($source_course_code);
- if ($new_course_code) {
- $new_course_info = self::create_course($new_title, $new_course_code, false);
- if (!empty($new_course_info['code'])) {
- $result = self::copy_course($source_course_code, $source_session_id, $new_course_info['code'], $destination_session_id, $params);
- if ($result) {
- return $new_course_info;
- }
- }
- }
- }
- return false;
- }
- /**
- * Creates a new course code based in a given code
- *
- * @param string wanted code
- * <code> $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3</code>
- * if the course code doest not exist in the DB the same course code will be returned
- * @return string wanted unused code
- */
- public static function generate_nice_next_course_code($wanted_code)
- {
- $course_code_ok = !self::course_code_exists($wanted_code);
- if (!$course_code_ok) {
- $wanted_code = self::generate_course_code($wanted_code);
- $table = Database::get_main_table(TABLE_MAIN_COURSE);
- $wanted_code = Database::escape_string($wanted_code);
- $sql = "SELECT count(*) as count FROM $table WHERE code LIKE '$wanted_code%'";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0 ) {
- $row = Database::fetch_array($result);
- $count = $row['count'] + 1;
- $wanted_code = $wanted_code.'_'.$count;
- $result = api_get_course_info($wanted_code);
- if (empty($result)) {
- return $wanted_code;
- }
- }
- return false;
- }
- return $wanted_code;
- }
- /**
- * Gets the status of the users agreement in a course course-session
- *
- * @param int user id
- * @param string course code
- * @param int session id
- * @return boolean
- */
- public static function is_user_accepted_legal($user_id, $courseInfo, $session_id = null)
- {
- $user_id = intval($user_id);
- $course_code = $courseInfo['code'];
- $course_id = $courseInfo['real_id'];
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- if (empty($session_id)) {
- $table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $sql = "SELECT legal_agreement FROM $table
- WHERE user_id = $user_id AND c_id = '$course_id' ";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0 ) {
- $result = Database::fetch_array($result);
- if ($result['legal_agreement'] == 1 ) {
- return true;
- }
- }
- return false;
- } else {
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $sql = "SELECT legal_agreement FROM $table
- WHERE id_user = $user_id AND c_id ='$course_id' AND id_session = $session_id";
- $result = Database::query($sql);
- if (Database::num_rows($result) > 0 ) {
- $result = Database::fetch_array($result);
- if ($result['legal_agreement'] == 1 ) {
- return true;
- }
- }
- return false;
- }
- return false;
- }
- /**
- * Saves the user-course legal agreement
- * @param int user id
- * @param string course code
- * @param int session id
- */
- function save_user_legal($user_id, $courseInfo, $session_id = null)
- {
- $user_id = intval($user_id);
- $course_code = $courseInfo['code'];
- $course_id = $courseInfo['real_id'];
- $course_code = Database::escape_string($course_code);
- $session_id = intval($session_id);
- if (empty($session_id)) {
- $table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $sql = "UPDATE $table SET legal_agreement = '1'
- WHERE user_id = $user_id AND c_id ='$course_id' ";
- $result = Database::query($sql);
- } else {
- $table = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $sql = "UPDATE $table SET legal_agreement = '1'
- WHERE id_user = $user_id AND c_id = '$course_id' AND id_session = $session_id";
- $result = Database::query($sql);
- }
- }
- public static function get_user_course_vote($user_id, $course_id, $session_id = null, $url_id = null) {
- $table_user_course_vote = Database::get_main_table(TABLE_MAIN_USER_REL_COURSE_VOTE);
- $session_id = !isset($session_id) ? api_get_session_id() : intval($session_id);
- $url_id = empty($url_id) ? api_get_current_access_url_id() : intval($url_id);
- $user_id = intval($user_id);
- if (empty($user_id)) {
- return false;
- }
- $params = array(
- 'user_id' => $user_id,
- 'c_id' => $course_id,
- 'session_id' => $session_id,
- 'url_id' => $url_id
- );
- $result = Database::select('vote', $table_user_course_vote, array('where' => array('user_id = ? AND c_id = ? AND session_id = ? AND url_id = ?' => $params)), 'first');
- if (!empty($result)) {
- return $result['vote'];
- }
- return false;
- }
- public static function get_course_ranking($course_id, $session_id = null, $url_id = null) {
- $table_course_ranking = Database::get_main_table(TABLE_STATISTIC_TRACK_COURSE_RANKING);
- $session_id = !isset($session_id) ? api_get_session_id() : intval($session_id);
- $url_id = empty($url_id) ? api_get_current_access_url_id() : intval($url_id);
- $params = array(
- 'c_id' => $course_id,
- 'session_id' => $session_id,
- 'url_id' => $url_id
- );
- $result = Database::select('c_id, accesses, total_score, users', $table_course_ranking, array('where' => array('c_id = ? AND session_id = ? AND url_id = ?' => $params)), 'first');
- $point_average_in_percentage = 0;
- $point_average_in_star = 0;
- $users_who_voted = 0;
- if (!empty($result['users'])) {
- $users_who_voted = $result['users'];
- $point_average_in_percentage = round($result['total_score']/$result['users'] * 100 / 5, 2);
- $point_average_in_star = round($result['total_score']/$result['users'], 1);
- }
- $result['user_vote'] = false;
- if (!api_is_anonymous()) {
- $result['user_vote'] = self::get_user_course_vote(api_get_user_id(), $course_id, $session_id,$url_id);
- }
- $result['point_average'] = $point_average_in_percentage;
- $result['point_average_star'] = $point_average_in_star;
- $result['users_who_voted'] = $users_who_voted;
- return $result;
- }
- /**
- *
- * Updates the course ranking
- * @param int course id
- * @param int session id
- * @param id url id
- *
- **/
- public static function update_course_ranking($course_id = null, $session_id = null, $url_id = null, $points_to_add = null, $add_access = true, $add_user = true)
- {
- //Course catalog stats modifications see #4191
- $table_course_ranking = Database::get_main_table(TABLE_STATISTIC_TRACK_COURSE_RANKING);
- $now = api_get_utc_datetime();
- $course_id = empty($course_id) ? api_get_course_int_id() : intval($course_id);
- $session_id = !isset($session_id) ? api_get_session_id() : intval($session_id);
- $url_id = empty($url_id) ? api_get_current_access_url_id() : intval($url_id);
- $params = array(
- 'c_id' => $course_id,
- 'session_id' => $session_id,
- 'url_id' => $url_id,
- 'creation_date' => $now,
- );
- $result = Database::select('id, accesses, total_score, users', $table_course_ranking, array('where' => array('c_id = ? AND session_id = ? AND url_id = ?' => $params)), 'first');
- // Problem here every thime we load the courses/XXXX/index.php course home page we update the access
- if (empty($result)) {
- if ($add_access) {
- $params['accesses'] = 1;
- }
- //The votes and users are empty
- if (isset($points_to_add) && !empty($points_to_add)) {
- $params['total_score'] = intval($points_to_add);
- }
- if ($add_user) {
- $params['users'] = 1;
- }
- $result = Database::insert($table_course_ranking, $params);
- } else {
- $my_params = array();
- if ($add_access) {
- $my_params['accesses'] = intval($result['accesses']) + 1;
- }
- if (isset($points_to_add) && !empty($points_to_add)) {
- $my_params['total_score'] = $result['total_score'] + $points_to_add;
- }
- if ($add_user) {
- $my_params['users'] = $result['users'] + 1;
- }
- if (!empty($my_params)) {
- $result = Database::update($table_course_ranking, $my_params, array('c_id = ? AND session_id = ? AND url_id = ?' => $params));
- }
- }
- return $result;
- }
- /**
- * Add user vote to a course
- *
- * @param int user id
- * @param int vote [1..5]
- * @param int course id
- * @param int session id
- * @param int url id (access_url_id)
- * @return mixed 'added', 'updated' or 'nothing'
- *
- */
- public static function add_course_vote($user_id, $vote, $course_id, $session_id = null, $url_id = null)
- {
- $table_user_course_vote = Database::get_main_table(TABLE_MAIN_USER_REL_COURSE_VOTE);
- $course_id = empty($course_id) ? api_get_course_int_id() : intval($course_id);
- if (empty($course_id) || empty($user_id)) {
- return false;
- }
- if (!in_array($vote, array(1,2,3,4,5))) {
- return false;
- }
- $session_id = !isset($session_id) ? api_get_session_id() : intval($session_id);
- $url_id = empty($url_id) ? api_get_current_access_url_id() : intval($url_id);
- $vote = intval($vote);
- $params = array(
- 'user_id' => intval($user_id),
- 'c_id' => $course_id,
- 'session_id' => $session_id,
- 'url_id' => $url_id,
- 'vote' => $vote
- );
- $action_done = 'nothing';
- $result = Database::select('id, vote', $table_user_course_vote, array('where' => array('user_id = ? AND c_id = ? AND session_id = ? AND url_id = ?' => $params)), 'first');
- if (empty($result)) {
- $result = Database::insert($table_user_course_vote, $params);
- $points_to_add = $vote;
- $add_user = true;
- $action_done = 'added';
- } else {
- $my_params = array('vote' => $vote);
- $points_to_add = $vote - $result['vote'];
- $add_user = false;
- $result = Database::update($table_user_course_vote, $my_params, array('user_id = ? AND c_id = ? AND session_id = ? AND url_id = ?' => $params));
- $action_done = 'updated';
- }
- //Current points
- if (!empty($points_to_add)) {
- self::update_course_ranking($course_id, $session_id, $url_id, $points_to_add, false, $add_user);
- }
- return $action_done;
- }
- /**
- * Remove course ranking + user votes
- *
- * @param int course id
- * @param int session id
- * @param int url id
- *
- */
- public function remove_course_ranking($course_id, $session_id, $url_id = null) {
- $table_course_ranking = Database::get_main_table(TABLE_STATISTIC_TRACK_COURSE_RANKING);
- $table_user_course_vote = Database::get_main_table(TABLE_MAIN_USER_REL_COURSE_VOTE);
- if (!empty($course_id) && isset($session_id)) {
- $url_id = empty($url_id) ? api_get_current_access_url_id() : intval($url_id);
- $params = array(
- 'c_id' => $course_id,
- 'session_id' => $session_id,
- 'url_id' => $url_id,
- );
- Database::delete($table_course_ranking, array('c_id = ? AND session_id = ? AND url_id = ?' => $params));
- Database::delete($table_user_course_vote, array('c_id = ? AND session_id = ? AND url_id = ?' => $params));
- }
- }
- /**
- * Returns an array with the hottest courses
- * @param int number of days
- * @param int number of hottest courses
- */
- public static function returnHotCourses($days = 30, $limit = 5)
- {
- $urlId = api_get_current_access_url_id();
- $limit = intval($limit);
- // Getting my courses
- $my_course_list = CourseManager::get_courses_list_by_user_id(api_get_user_id());
- $my_course_code_list = array();
- foreach ($my_course_list as $course) {
- $my_course_code_list[$course['real_id']] = $course['real_id'];
- }
- if (api_is_drh()) {
- $courses = CourseManager::get_courses_followed_by_drh(api_get_user_id());
- foreach ($courses as $course) {
- $my_course_code_list[$course['real_id']] = $course['real_id'];
- }
- }
- $table_course_access = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
- $table_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $table_course_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- //@todo all dates in the tracking_course_access, last_access are in the DB time (NOW) not UTC
- /*
- $today = api_get_utc_datetime();
- $today_diff = time() -intval($days)*24*60*60;
- $today_diff = api_get_utc_datetime($today_diff);
- * */
- $sql = "SELECT COUNT(course_access_id) course_count, a.c_id, visibility ".
- "FROM $table_course c INNER JOIN $table_course_access a ".
- " ON (c.id = a.c_id) INNER JOIN $table_course_url u ON u.c_id = c.id ".
- " WHERE u.access_url_id = ".$urlId." AND".
- " login_course_date <= now() AND ".
- " login_course_date > DATE_SUB(now(), INTERVAL $days DAY) AND".
- " visibility <> '".COURSE_VISIBILITY_CLOSED."'".
- " GROUP BY a.c_id".
- " ORDER BY course_count DESC".
- " LIMIT $limit";
- $result = Database::query($sql);
- $courses = array();
- if (Database::num_rows($result)) {
- $courses = Database::store_result($result, 'ASSOC');
- $courses = self::process_hot_course_item($courses, $my_course_code_list);
- }
- return $courses;
- }
- public static function process_hot_course_item($courses, $my_course_code_list = array()) {
- $ajax_url = api_get_path(WEB_AJAX_PATH).'course.ajax.php?a=add_course_vote';
- foreach ($courses as &$my_course) {
- $course_info = api_get_course_info_by_id($my_course['c_id']);
- $my_course['extra_info'] = $course_info;
- $my_course['extra_info']['go_to_course_button'] = '';
- $my_course['extra_info']['register_button'] = '';
- $access_link = self::get_access_link_by_user(api_get_user_id(), $course_info, $my_course_code_list);
- //Course visibility
- if ($access_link && in_array('register', $access_link)) {
- $stok = Security::get_token();
- $my_course['extra_info']['register_button'] = Display::url(get_lang('Subscribe'), api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php?action=subscribe&sec_token='.$stok, array('class' => 'btn btn-primary'));
- }
- if ($access_link && in_array('enter', $access_link)) {
- $my_course['extra_info']['go_to_course_button'] = Display::url(get_lang('GoToCourse'), api_get_path(WEB_COURSE_PATH).$course_info['path'].'/index.php', array('class' => 'btn btn-primary'));
- }
- // Description
- $my_course['extra_info']['description_button'] = '';
- if ($course_info['visibility'] == COURSE_VISIBILITY_OPEN_WORLD || in_array($course_info['real_id'], $my_course_code_list) ) {
- $my_course['extra_info']['description_button'] = Display::url(get_lang('Description'), api_get_path(WEB_AJAX_PATH).'course_home.ajax.php?a=show_course_information&code='.$course_info['code'], array('class' => 'ajax btn btn-default'));
- }
- $my_course['extra_info']['teachers'] = CourseManager::get_teacher_list_from_course_code_to_string($course_info['real_id']);
- $point_info = self::get_course_ranking($course_info['real_id'], 0);
- $my_course['extra_info']['rating_html'] = Display::return_rating_system('star_'.$course_info['real_id'], $ajax_url.'&course_id='.$course_info['real_id'], $point_info);
- }
- return $courses;
- }
- public static function return_most_accessed_courses($limit = 5) {
- $table_course_ranking = Database::get_main_table(TABLE_STATISTIC_TRACK_COURSE_RANKING);
- $params['url_id'] = api_get_current_access_url_id();
- $result = Database::select('c_id, accesses, total_score, users', $table_course_ranking, array('where' => array('url_id = ?' => $params), 'order' => 'accesses DESC', 'limit' => $limit), 'all', true);
- return $result;
- }
- /**
- *
- * @return ResultSet
- */
- static function list_inactive_courses($ceiling, $visibility_level = COURSE_VISIBILITY_REGISTERED) {
- $ceiling = is_numeric($ceiling) ? (int) $ceiling : strtotime($ceiling);
- $ceiling = date('Y-m-d H:i:s', $ceiling);
- $visibility_level = $visibility_level ? $visibility_level : '0';
- $table_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $table_category = Database::get_main_table(TABLE_MAIN_CATEGORY);
- $sql = "SELECT
- c.*,
- cat.name AS category
- FROM
- $table_course AS c
- LEFT JOIN
- $table_category AS cat
- ON
- c.category_code = cat.code
- WHERE
- c.visibility >= $visibility_level AND
- c.last_visit<='$ceiling'
- ";
- return ResultSet::create($sql);
- }
- /**
- * Get courses count
- * @param int Access URL ID (optional)
- * @return int Number of courses
- */
- public static function count_courses($access_url_id = null)
- {
- $table_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $table_course_rel_access_url = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $sql = "SELECT count(id) FROM $table_course c";
- if (!empty($access_url_id) && $access_url_id == intval($access_url_id)) {
- $sql .= ", $table_course_rel_access_url u WHERE c.id = u.c_id AND u.access_url_id = $access_url_id";
- }
- $res = Database::query($sql);
- $row = Database::fetch_row($res);
- return $row[0];
- }
- /**
- * Return a link to go to the course, validating the visibility of the
- * course and the user status
- * @param int User ID
- * @param array Course details array
- * @param array List of courses to which the user is subscribed (if not provided, will be generated)
- * @return mixed 'enter' for a link to go to the course or 'register' for a link to subscribe, or false if no access
- */
- static function get_access_link_by_user($uid, $course, $user_courses = array())
- {
- if (empty($uid) or empty($course)) { return false; }
- if (empty($user_courses)) {
- // get the array of courses to which the user is subscribed
- $user_courses = CourseManager::get_courses_list_by_user_id($uid);
- foreach ($user_courses as $k => $v) {
- $user_courses[$k] = $v['real_id'];
- }
- }
- if (!isset($course['real_id']) && empty($course['real_id'])) {
- $course = api_get_course_info($course['code']);
- }
- $is_admin = api_is_platform_admin_by_id($uid);
- $options = array();
- // Register button
- if (!api_is_anonymous($uid) &&
- !$is_admin &&
- (
- ($course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD || $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM) ||
- $course['visibility'] == COURSE_VISIBILITY_REGISTERED && $course['subscribe'] == SUBSCRIBE_ALLOWED
- ) &&
- $course['subscribe'] == SUBSCRIBE_ALLOWED &&
- (!in_array($course['real_id'], $user_courses) || empty($user_courses))
- ) {
- $options[]= 'register';
- }
- // Go To Course button (only if admin, if course public or if student already subscribed)
- if ($is_admin ||
- $course['visibility'] == COURSE_VISIBILITY_OPEN_WORLD && empty($course['registration_code']) ||
- (api_user_is_login($uid) && $course['visibility'] == COURSE_VISIBILITY_OPEN_PLATFORM && empty($course['registration_code']) ) ||
- (in_array($course['real_id'], $user_courses) && $course['visibility'] != COURSE_VISIBILITY_CLOSED)
- ) {
- $options[]= 'enter';
- }
- return $options;
- }
- // TODO: Such a function might be useful in other places too. It might be moved in the CourseManager class.
- // Also, the function might be upgraded for avoiding code duplications.
- static function generate_course_code($course_title, $encoding = null) {
- if (empty($encoding)) {
- $encoding = api_get_system_encoding();
- }
- return substr(preg_replace('/[^A-Z0-9]/', '', strtoupper(api_transliterate($course_title, 'X', $encoding))), 0, CourseManager::MAX_COURSE_LENGTH_CODE);
- }
- /**
- * Defines the four needed keys to create a course based on several parameters.
- * @param string The code you want for this course
- * @param string Prefix added for ALL keys
- * @param string Prefix added for databases only
- * @param string Prefix added for paths only
- * @param bool Add unique prefix
- * @param bool Use code-independent keys
- * @return array An array with the needed keys ['currentCourseCode'], ['currentCourseId'], ['currentCourseDbName'], ['currentCourseRepository']
- * @todo Eliminate the global variables.
- */
- static function define_course_keys($wanted_code, $prefix_for_all = '', $prefix_for_base_name = '', $prefix_for_path = '', $add_unique_prefix = false, $use_code_indepedent_keys = true)
- {
- global $prefixAntiNumber, $_configuration;
- $course_table = Database :: get_main_table(TABLE_MAIN_COURSE);
- $wanted_code = self::generate_course_code($wanted_code);
- $keys_course_code = $wanted_code;
- if (!$use_code_indepedent_keys) {
- $wanted_code = '';
- }
- if ($add_unique_prefix) {
- $unique_prefix = substr(md5(uniqid(rand())), 0, 10);
- } else {
- $unique_prefix = '';
- }
- $keys = array();
- $final_suffix = array('CourseId' => '', 'CourseDb' => '', 'CourseDir' => '');
- $limit_numb_try = 100;
- $keys_are_unique = false;
- $try_new_fsc_id = $try_new_fsc_db = $try_new_fsc_dir = 0;
- while (!$keys_are_unique) {
- $keys_course_id = $prefix_for_all . $unique_prefix . $wanted_code . $final_suffix['CourseId'];
- //$keys_course_db_name = $prefix_for_base_name . $unique_prefix . strtoupper($keys_course_id) . $final_suffix['CourseDb'];
- $keys_course_repository = $prefix_for_path . $unique_prefix . $wanted_code . $final_suffix['CourseDir'];
- $keys_are_unique = true;
- // Check whether they are unique.
- $query = "SELECT 1 FROM ".$course_table." WHERE code='".$keys_course_id."' LIMIT 0,1";
- $result = Database::query($query);
- //if ($keys_course_id == DEFAULT_COURSE || Database::num_rows($result)) {
- if (Database::num_rows($result)) {
- $keys_are_unique = false;
- $try_new_fsc_id ++;
- $final_suffix['CourseId'] = substr(md5(uniqid(rand())), 0, 4);
- }
- if (file_exists(api_get_path(SYS_COURSE_PATH).$keys_course_repository)) {
- $keys_are_unique = false;
- $try_new_fsc_dir ++;
- $final_suffix['CourseDir'] = substr(md5(uniqid(rand())), 0, 4);
- }
- if (($try_new_fsc_id + $try_new_fsc_db + $try_new_fsc_dir) > $limit_numb_try) {
- return $keys;
- }
- }
- $keys['currentCourseCode'] = $keys_course_code;
- $keys['currentCourseId'] = $keys_course_id;
- $keys['currentCourseRepository'] = $keys_course_repository;
- return $keys;
- }
- /**
- * Initializes a file repository for a newly created course.
- */
- static function prepare_course_repository($course_repository, $course_code)
- {
- $perm = api_get_permissions_for_new_directories();
- $perm_file = api_get_permissions_for_new_files();
- $htmlpage = "<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"utf-8\">\n <title>Not authorized</title>\n </head>\n <body>\n </body>\n</html>";
- $cp = api_get_path(SYS_COURSE_PATH).$course_repository;
- //Creating document folder
- mkdir($cp, $perm);
- mkdir($cp . '/document', $perm);
- $cpt = $cp.'/document/index.html';
- $fd = fopen($cpt, 'w');
- fwrite($fd, $htmlpage);
- fclose($fd);
- /*
- @chmod($cpt, $perm_file);
- @copy($cpt, $cp . '/document/index.html');
- mkdir($cp . '/document/images', $perm);
- @copy($cpt, $cp . '/document/images/index.html');
- mkdir($cp . '/document/images/gallery/', $perm);
- @copy($cpt, $cp . '/document/images/gallery/index.html');
- mkdir($cp . '/document/shared_folder/', $perm);
- @copy($cpt, $cp . '/document/shared_folder/index.html');
- mkdir($cp . '/document/audio', $perm);
- @copy($cpt, $cp . '/document/audio/index.html');
- mkdir($cp . '/document/flash', $perm);
- @copy($cpt, $cp . '/document/flash/index.html');
- mkdir($cp . '/document/video', $perm);
- @copy($cpt, $cp . '/document/video/index.html'); */
- // Creating dropbox folder
- mkdir($cp . '/dropbox', $perm);
- $cpt = $cp.'/dropbox/index.html';
- $fd = fopen($cpt, 'w');
- fwrite($fd, $htmlpage);
- fclose($fd);
- @chmod($cpt, $perm_file);
- mkdir($cp . '/group', $perm);
- @copy($cpt, $cp . '/group/index.html');
- mkdir($cp . '/page', $perm);
- @copy($cpt, $cp . '/page/index.html');
- mkdir($cp . '/scorm', $perm);
- @copy($cpt, $cp . '/scorm/index.html');
- mkdir($cp . '/upload', $perm);
- @copy($cpt, $cp . '/upload/index.html');
- mkdir($cp . '/upload/forum', $perm);
- @copy($cpt, $cp . '/upload/forum/index.html');
- mkdir($cp . '/upload/forum/images', $perm);
- @copy($cpt, $cp . '/upload/forum/images/index.html');
- mkdir($cp . '/upload/test', $perm);
- @copy($cpt, $cp . '/upload/test/index.html');
- mkdir($cp . '/upload/blog', $perm);
- @copy($cpt, $cp . '/upload/blog/index.html');
- mkdir($cp . '/upload/learning_path', $perm);
- @copy($cpt, $cp . '/upload/learning_path/index.html');
- mkdir($cp . '/upload/learning_path/images', $perm);
- @copy($cpt, $cp . '/upload/learning_path/images/index.html');
- mkdir($cp . '/upload/calendar', $perm);
- @copy($cpt, $cp . '/upload/calendar/index.html');
- mkdir($cp . '/upload/calendar/images', $perm);
- @copy($cpt, $cp . '/upload/calendar/images/index.html');
- mkdir($cp . '/work', $perm);
- @copy($cpt, $cp . '/work/index.html');
- mkdir($cp . '/upload/announcements', $perm);
- @copy($cpt, $cp . '/upload/announcements/index.html');
- mkdir($cp . '/upload/announcements/images', $perm);
- @copy($cpt, $cp . '/upload/announcements/images/index.html');
- //Oral expression question type
- mkdir($cp . '/exercises', $perm);
- @copy($cpt, $cp . '/exercises/index.html');
- // Create .htaccess in the dropbox directory.
- $fp = fopen($cp . '/dropbox/.htaccess', 'w');
- fwrite($fp, "AuthName AllowLocalAccess
- AuthType Basic
- order deny,allow
- deny from all
- php_flag zlib.output_compression off");
- fclose($fp);
- return 0;
- }
- /**
- * Get current courses
- * */
- static function get_course_tables()
- {
- $tables = array();
- $tables[]= 'tool';
- $tables[]= 'tool_intro';
- $tables[]= 'group_info';
- $tables[]= 'group_category';
- $tables[]= 'group_rel_user';
- $tables[]= 'group_rel_tutor';
- $tables[]= 'item_property';
- $tables[]= 'course_description';
- $tables[]= 'calendar_event';
- $tables[]= 'calendar_event_repeat';
- $tables[]= 'calendar_event_repeat_not';
- $tables[]= 'calendar_event_attachment';
- $tables[]= 'announcement';
- $tables[]= 'announcement_attachment';
- $tables[]= 'student_publication';
- $tables[]= 'student_publication_assignment';
- $tables[]= 'document';
- $tables[]= 'forum_category';
- $tables[]= 'forum_forum';
- $tables[]= 'forum_thread';
- $tables[]= 'forum_post';
- $tables[]= 'forum_mailcue';
- $tables[]= 'forum_attachment';
- $tables[]= 'forum_notification';
- $tables[]= 'forum_thread_qualify';
- $tables[]= 'forum_thread_qualify_log';
- $tables[]= 'link';
- $tables[]= 'link_category';
- $tables[]= 'online_connected';
- $tables[]= 'online_link';
- $tables[]= 'chat_connected';
- $tables[]= 'quiz';
- $tables[]= 'quiz_rel_question';
- $tables[]= 'quiz_question';
- $tables[]= 'quiz_answer';
- $tables[]= 'quiz_question_option';
- $tables[]= 'quiz_category';
- $tables[]= 'quiz_question_rel_category';
- $tables[]= 'dropbox_post';
- $tables[]= 'dropbox_file';
- $tables[]= 'dropbox_person';
- $tables[]= 'dropbox_category';
- $tables[]= 'dropbox_feedback';
- $tables[]= 'lp';
- $tables[]= 'lp_item';
- $tables[]= 'lp_view';
- $tables[]= 'lp_item_view';
- $tables[]= 'lp_iv_interaction';
- $tables[]= 'lp_iv_objective';
- $tables[]= 'blog';
- $tables[]= 'blog_comment';
- $tables[]= 'blog_post';
- $tables[]= 'blog_rating';
- $tables[]= 'blog_rel_user';
- $tables[]= 'blog_task';
- $tables[]= 'blog_task_rel_user';
- $tables[]= 'blog_attachment';
- $tables[]= 'permission_group';
- $tables[]= 'permission_user';
- $tables[]= 'permission_task';
- $tables[]= 'survey';
- $tables[]= 'survey_question';
- $tables[]= 'survey_question_option';
- $tables[]= 'survey_invitation';
- $tables[]= 'survey_answer';
- $tables[]= 'survey_group';
- $tables[]= 'wiki';
- $tables[]= 'wiki_conf';
- $tables[]= 'wiki_discuss';
- $tables[]= 'wiki_mailcue';
- $tables[]= 'course_setting';
- $tables[]= 'glossary';
- //$tables[]= 'notebook';
- $tables[]= 'attendance';
- $tables[]= 'attendance_sheet';
- $tables[]= 'attendance_calendar';
- $tables[]= 'attendance_result';
- $tables[]= 'attendance_sheet_log';
- $tables[]= 'thematic';
- $tables[]= 'thematic_plan';
- $tables[]= 'thematic_advance';
- return $tables;
- }
- static function browse_folders($path, $files, $media)
- {
- $defaultCourseDocumentPath = api_get_path(SYS_DEFAULT_COURSE_DOCUMENT_PATH);
- if ($media == 'images') {
- $code_path = $defaultCourseDocumentPath.'images/';
- }
- if ($media == 'audio') {
- $code_path = $defaultCourseDocumentPath.'audio/';
- }
- if ($media == 'flash') {
- $code_path = $defaultCourseDocumentPath.'flash/';
- }
- if ($media == 'video') {
- $code_path = $defaultCourseDocumentPath.'video/';
- }
- if ($media == 'certificates') {
- $code_path = $defaultCourseDocumentPath.'certificates/';
- }
- if (is_dir($path)) {
- $handle = opendir($path);
- while (false !== ($file = readdir($handle))) {
- if (is_dir($path.$file) && strpos($file, '.') !== 0) {
- $files[]['dir'] = str_replace($code_path, '', $path.$file.'/');
- $files = self::browse_folders($path.$file.'/', $files, $media);
- } elseif (is_file($path.$file) && strpos($file, '.') !== 0) {
- $files[]['file'] = str_replace($code_path, '', $path.$file);
- }
- }
- }
- return $files;
- }
- /**
- * @param $files
- * @param $type
- * @return array
- */
- static function sort_pictures($files, $type)
- {
- $pictures = array();
- foreach ($files as $key => $value){
- if (isset($value[$type]) && !empty($value[$type])) {
- $pictures[][$type] = $value[$type];
- }
- }
- return $pictures;
- }
- /**
- * Fills the course database with some required content and example content.
- */
- public static function fill_db_course($course_id, $course_repository, $language, $fill_with_exemplary_content = null)
- {
- if (is_null($fill_with_exemplary_content)) {
- $fill_with_exemplary_content = api_get_setting('example_material_course_creation') != 'false';
- }
- $course_id = intval($course_id);
- if (empty($course_id)) {
- return false;
- }
- $now = api_get_utc_datetime(time());
- $toolTable = Database::get_course_table(TABLE_TOOL_LIST);
- $TABLEINTROS = Database::get_course_table(TABLE_TOOL_INTRO);
- $TABLEGROUPCATEGORIES = Database::get_course_table(TABLE_GROUP_CATEGORY);
- $TABLEITEMPROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $TABLETOOLAGENDA = Database::get_course_table(TABLE_AGENDA);
- $TABLETOOLANNOUNCEMENTS = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $TABLETOOLDOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
- $TABLETOOLLINK = Database::get_course_table(TABLE_LINK);
- $TABLEQUIZ = Database::get_course_table(TABLE_QUIZ_TEST);
- $TABLEQUIZQUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TABLEQUIZQUESTIONLIST = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $TABLEQUIZANSWERSLIST = Database::get_course_table(TABLE_QUIZ_ANSWER);
- $TABLESETTING = Database::get_course_table(TABLE_COURSE_SETTING);
- $TABLEFORUMCATEGORIES = Database::get_course_table(TABLE_FORUM_CATEGORY);
- $TABLEFORUMS = Database::get_course_table(TABLE_FORUM);
- $TABLEFORUMTHREADS = Database::get_course_table(TABLE_FORUM_THREAD);
- $TABLEFORUMPOSTS = Database::get_course_table(TABLE_FORUM_POST);
- $TABLEGRADEBOOK = Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY);
- $TABLEGRADEBOOKLINK = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);
- $visible_for_all = 1;
- $visible_for_course_admin = 0;
- $visible_for_platform_admin = 2;
- // Move this in a doctrine listener
- $toolList = self::getToolList();
- $toolList = $toolList->getTools();
- /** @var Course $course */
- $entityManager = Database::getManager();
- $course = $entityManager->getRepository('ChamiloCoreBundle:Course')->find($course_id);
- // @todo move in a manager.
- /** @var Chamilo\CourseBundle\Tool\BaseTool $tool */
- $tools = array();
- $settingsManager = self::getCourseSettingsManager();
- $settingsManager->setCourse($course);
- foreach ($toolList as $tool) {
- $visibility = Text::string2binary(api_get_setting
- ('course.course_create_active_tools', $tool->getName()));
- $toolObject = new CTool();
- $toolObject->setName($tool->getName())
- ->setCategory($tool->getCategory())
- ->setLink($tool->getLink())
- ->setImage($tool->getImage())
- ->setVisibility($visibility)
- ->setAdmin(0)
- ->setTarget($tool->getTarget())
- ;
- $tools[] = $toolObject;
- $settings = $settingsManager->loadSettings($tool->getName());
- $settingsManager->saveSettings($tool->getName(), $settings);
- }
- $course->setTools($tools);
- $entityManager->persist($course);
- $entityManager->flush($course);
- /* Course tools */
- /*if (api_get_setting('service_visio', 'active') == 'true') {
- $mycheck = api_get_setting('service_visio', 'visio_host');
- if (!empty($mycheck)) {
- //Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '" . TOOL_VISIO_CONFERENCE . "','conference/index.php?type=conference','visio_meeting.gif','1','0','squaregrey.gif','NO','_self','interaction','0', '', '')");
- //Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '" . TOOL_VISIO_CLASSROOM . "','conference/index.php?type=classroom','visio.gif','1','0','squaregrey.gif','NO','_self','authoring','0', '', '')");
- }
- }*/
- /*if (api_get_setting('search_enabled') == 'true') {
- //Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '" . TOOL_SEARCH. "','search/','info.gif','".Text::string2binary(api_get_setting('course_create_active_tools', 'enable_search')) . "','0','search.gif','NO','_self','authoring','0', '', '')");
- }*/
- // Blogs (Kevin Van Den Haute :: kevin@develop-it.be)
- /*$sql = "INSERT INTO $toolTable VALUES ($course_id, NULL,'" . TOOL_BLOGS . "','blog/blog_admin.php','blog_admin.gif','" . Text::string2binary(api_get_setting('course_create_active_tools', 'blogs')) . "','1','squaregrey.gif','NO','_self','admin','0', '', '')";
- Database::query($sql);*/
- /* Course homepage tools for course admin only */
- /* Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '".TOOL_TRACKING . "','tracking/courseLog.php','statistics.gif','$visible_for_course_admin','1','', 'NO','_self','admin','0', '', '')");
- Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '".TOOL_COURSE_SETTING . "','course_info/infocours.php','reference.gif','$visible_for_course_admin','1','', 'NO','_self','admin','0', '', '')");
- Database::query("INSERT INTO $toolTable VALUES ($course_id, NULL, '".TOOL_COURSE_MAINTENANCE."','course_info/maintenance.php','backup.gif','$visible_for_course_admin','1','','NO','_self', 'admin','0', '', '')");*/
- /* Course_setting table (courseinfo tool) */
- /*Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'email_alert_manager_on_new_doc',0,'work')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'email_alert_on_new_doc_dropbox',0,'dropbox')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_user_edit_agenda',0,'agenda')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_user_edit_announcement',0,'announcement')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'email_alert_manager_on_new_quiz',1,'quiz')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_user_image_forum',1,'forum')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'course_theme','','theme')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_learning_path_theme','1','theme')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_open_chat_window',1,'chat')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'email_alert_to_teacher_on_new_user_in_course',0,'registration')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_user_view_user_list',1,'user')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'display_info_advance_inside_homecourse',1,'thematic_advance')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'email_alert_students_on_new_homework',0,'work')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'enable_lp_auto_launch',0,'learning_path')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'pdf_export_watermark_text','','learning_path')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_public_certificates','','certificates')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'allow_fast_exercise_edition', 0 ,'exercise')");
- Database::query("INSERT INTO $TABLESETTING (c_id, variable,value,category) VALUES ($course_id, 'enable_exercise_auto_launch', 0 ,'exercise')");*/
- /* Course homepage tools for platform admin only */
- /* Group tool */
- Database::query("INSERT INTO $TABLEGROUPCATEGORIES (c_id, id , title , description , max_student , self_reg_allowed , self_unreg_allowed , groups_per_user , display_order )
- VALUES ($course_id, '2', '".Database::escape_string(get_lang('DefaultGroupCategory')) . "', '', '8', '0', '0', '0', '0');");
- /* Example Material */
- $language_interface = Container::getTranslator()->getLocale();
- // Example material should be in the same language as the course is.
- $language_interface_original = $language_interface;
- $language_interface = $language;
- //Share folder
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/shared_folder','".get_lang('UserFolders')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- //Chat folder
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/chat_files','".get_lang('ChatFiles')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $perm = api_get_permissions_for_new_directories();
- $perm_file = api_get_permissions_for_new_files();
- $chat_path = $sys_course_path.$course_repository.'/document/chat_files';
- if (!is_dir($chat_path)) {
- @mkdir($chat_path, api_get_permissions_for_new_directories());
- }
- /* Documents */
- if ($fill_with_exemplary_content) {
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id,path,title,filetype,size) VALUES ($course_id,'/images','".get_lang('Images')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/images/gallery','".get_lang('DefaultCourseImages')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/audio','".get_lang('Audio')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/flash','".get_lang('Flash')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/video','".get_lang('Video')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'/certificates','".get_lang('Certificates')."','folder','0')");
- $example_doc_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$example_doc_id,'DocumentAdded',1,0,NULL,0)");
- // FILL THE COURSE DOCUMENT WITH DEFAULT COURSE PICTURES
- $folders_to_copy_from_default_course = array(
- 'images',
- 'audio',
- 'flash',
- 'video',
- 'certificates',
- );
- $default_course_path = api_get_path(SYS_DEFAULT_COURSE_DOCUMENT_PATH);
- $default_document_array = array();
- foreach ($folders_to_copy_from_default_course as $folder) {
- $default_course_folder_path = $default_course_path.$folder.'/';
- $files = self::browse_folders($default_course_folder_path, array(), $folder);
- $sorted_array = self::sort_pictures($files, 'dir');
- $sorted_array = array_merge($sorted_array, self::sort_pictures($files, 'file'));
- $default_document_array[$folder] = $sorted_array;
- }
- //Light protection (adding index.html in every document folder)
- $htmlpage = "<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"utf-8\">\n <title>Not authorized</title>\n </head>\n <body>\n </body>\n</html>";
- $example_cert_id = 0;
- if (is_array($default_document_array) && count($default_document_array) > 0) {
- foreach ($default_document_array as $media_type => $array_media) {
- $path_documents = "/$media_type/";
- //hack until feature #5242 is implemented
- if ($media_type == 'images') {
- $media_type = 'images/gallery';
- $images_folder = $sys_course_path.$course_repository."/document/images/";
- if (!is_dir($images_folder)) {
- //Creating index.html
- mkdir($images_folder, $perm);
- $fd = fopen($images_folder.'index.html', 'w');
- fwrite($fd, $htmlpage);
- @chmod($images_folder.'index.html', $perm_file);
- }
- }
- $course_documents_folder = $sys_course_path.$course_repository."/document/$media_type/";
- $default_course_path = api_get_path(SYS_DEFAULT_COURSE_DOCUMENT_PATH).$path_documents;
- //echo 'try '.$course_documents_folder; echo '<br />';
- if (!is_dir($course_documents_folder)) {
- //Creating index.html
- mkdir($course_documents_folder, $perm);
- $fd = fopen($course_documents_folder.'index.html', 'w');
- fwrite($fd, $htmlpage);
- @chmod($course_documents_folder.'index.html', $perm_file);
- }
- if (is_array($array_media) && count($array_media)>0) {
- foreach ($array_media as $key => $value) {
- if (isset($value['dir']) && !empty($value['dir'])) {
- if (!is_dir($course_documents_folder.$value['dir'])) {
- //Creating folder
- mkdir($course_documents_folder.$value['dir'], $perm);
- //Creating index.html (for light protection)
- $index_html = $course_documents_folder.$value['dir'].'/index.html';
- $fd = fopen($index_html, 'w');
- fwrite($fd, $htmlpage);
- @chmod($index_html, $perm_file);
- //Inserting folder in the DB
- $folder_path = substr($value['dir'], 0, strlen($value['dir']) - 1);
- $temp = explode('/', $folder_path);
- $title = $temp[count($temp)-1];
- //hack until feature #5242 is implemented
- if ($title == 'gallery') {
- $title = get_lang('DefaultCourseImages');
- }
- if ($media_type == 'images/gallery') {
- $folder_path = 'gallery/'.$folder_path;
- }
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'$path_documents".$folder_path."','".$title."','folder','0')");
- $image_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$image_id,'DocumentAdded',1,0,NULL,0)");
- }
- }
- if (isset($value['file']) && !empty($value['file'])) {
- if (!file_exists($course_documents_folder.$value['file'])) {
- //Copying file
- copy($default_course_path.$value['file'], $course_documents_folder.$value['file']);
- chmod($course_documents_folder.$value['file'], $perm_file);
- //echo $default_course_path.$value['file']; echo ' - '; echo $course_documents_folder.$value['file']; echo '<br />';
- $temp = explode('/', $value['file']);
- $file_size = filesize($course_documents_folder.$value['file']);
- //hack until feature #5242 is implemented
- if ($media_type == 'images/gallery') {
- $value["file"] = 'gallery/'.$value["file"];
- }
- //Inserting file in the DB
- Database::query("INSERT INTO $TABLETOOLDOCUMENT (c_id, path,title,filetype,size) VALUES ($course_id,'$path_documents".$value["file"]."','".$temp[count($temp)-1]."','file','$file_size')");
- $image_id = Database :: insert_id();
- if ($path_documents.$value['file'] == '/certificates/default.html') {
- $example_cert_id = $image_id;
- }
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id,'document',1,NOW(),NOW(),$image_id,'DocumentAdded',1,0,NULL,1)");
- }
- }
- }
- }
- }
- }
- /* Agenda tool */
- Database::query("INSERT INTO $TABLETOOLAGENDA VALUES ($course_id, NULL, '".Database::escape_string(get_lang('AgendaCreationTitle')) . "', '".Database::escape_string(get_lang('AgendaCreationContenu')) . "', now(), now(), NULL, 0, 0)");
- // We need to add the item properties too!
- $insert_id = Database :: insert_id();
- $sql = "INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ($course_id, '" . TOOL_CALENDAR_EVENT . "',1,NOW(),NOW(),$insert_id,'AgendaAdded',1,0,NULL,1)";
- Database::query($sql);
- /* Links tool */
- $add_google_link_sql = "INSERT INTO $TABLETOOLLINK (c_id, url, title, description, category_id, display_order, on_homepage, target)
- VALUES ($course_id, 'http://www.google.com','Google','".Database::escape_string(get_lang('Google')) . "','0','0','0','_self')";
- Database::query($add_google_link_sql);
- // We need to add the item properties too!
- $insert_id = Database :: insert_id();
- $sql = "INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id, '" . TOOL_LINK . "',1,NOW(),NOW(),$insert_id,'LinkAdded',1,0,NULL,1)";
- Database::query($sql);
- $add_wikipedia_link_sql = "INSERT INTO $TABLETOOLLINK (c_id, url, title, description, category_id, display_order, on_homepage, target)
- VALUES ($course_id, 'http://www.wikipedia.org','Wikipedia','".Database::escape_string(get_lang('Wikipedia')) . "','0','1','0','_self')";
- Database::query($add_wikipedia_link_sql);
- // We need to add the item properties too!
- $insert_id = Database :: insert_id();
- $sql = "INSERT INTO $TABLEITEMPROPERTY (tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) VALUES ('" . TOOL_LINK . "',1,NOW(),NOW(),$insert_id,'LinkAdded',1,0,NULL,1)";
- Database::query($sql);
- /* Announcement tool */
- $sql = "INSERT INTO $TABLETOOLANNOUNCEMENTS (c_id, title,content,end_date,display_order,email_sent)
- VALUES ($course_id, '".Database::escape_string(get_lang('AnnouncementExampleTitle')) . "', '".Database::escape_string(get_lang('AnnouncementEx')) . "', NOW(), '1','0')";
- Database::query($sql);
- // We need to add the item properties too!
- $insert_id = Database :: insert_id();
- $sql = "INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id, '" . TOOL_ANNOUNCEMENT . "',1,NOW(),NOW(),$insert_id,'AnnouncementAdded',1,0,NULL,1)";
- Database::query($sql);
- /* Introduction text */
- $intro_text = '<p style="text-align: center;">
- <img src="'.api_get_path(REL_CODE_PATH).'img/mascot.png" alt="Mr. Chamilo" title="Mr. Chamilo" />
- <h2>'.Database::escape_string(get_lang('IntroductionText')).'</h2>
- </p>';
- Database::query("INSERT INTO $TABLEINTROS VALUES ($course_id, '" . TOOL_COURSE_HOMEPAGE . "','".$intro_text."', 0)");
- Database::query("INSERT INTO $TABLEINTROS VALUES ($course_id, '" . TOOL_STUDENTPUBLICATION . "','".Database::escape_string(get_lang('IntroductionTwo')) . "', 0)");
- // Wiki intro
- $intro_wiki='<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr><td width="110" valign="top" align="left"></td><td valign="top" align="left">'.Database::escape_string(get_lang('IntroductionWiki')).'</td></tr></table>';
- Database::query("INSERT INTO $TABLEINTROS VALUES ($course_id, '" . TOOL_WIKI . "','".$intro_wiki. "', 0)");
- /* Exercise tool */
- $html = Database::escape_string('<table width="100%" border="0" cellpadding="0" cellspacing="0">
- <tr><td width="110" valign="top" align="left">
- <img src="'.api_get_path(WEB_DEFAULT_COURSE_DOCUMENT_PATH).'images/mr_dokeos/thinking.jpg"></td><td valign="top" align="left">'.get_lang('Antique').'
- </td></tr></table>');
- // Insert exercise
- Database::query('INSERT INTO '.$TABLEQUIZ .' (c_id, title, description, type, random, random_answers, active, results_disabled ) ' .
- ' VALUES ('.$course_id.', "'.Database::escape_string(get_lang('ExerciceEx')) . '", "'.$html.'", "1", "0", "0", "1", "0")');
- $exercise_id = Database :: insert_id();
- // Insert question
- Database::query("INSERT INTO $TABLEQUIZQUESTIONLIST (c_id, question, description, ponderation, position, type, picture, level)
- VALUES ( '.$course_id.', '".Database::escape_string(get_lang('SocraticIrony')) . "', '".Database::escape_string(get_lang('ManyAnswers')) . "', '10', '1', '2','',1)");
- $questionId = Database :: insert_id();
- Database::query("INSERT INTO $TABLEQUIZQUESTION (c_id, question_id, exercice_id, question_order) VALUES ($course_id,$questionId , $exercise_id, 1)");
- // Insert answers
- Database::query("INSERT INTO $TABLEQUIZANSWERSLIST (c_id, question_id, answer, correct, comment, ponderation, position) VALUES ($course_id, '$questionId', '".Database::escape_string(get_lang('Ridiculise')) . "', '0', '".Database::escape_string(get_lang('NoPsychology')) . "', '-5', '1')");
- Database::query("INSERT INTO $TABLEQUIZANSWERSLIST (c_id, question_id, answer, correct, comment, ponderation, position) VALUES ($course_id, '$questionId', '".Database::escape_string(get_lang('AdmitError')) . "', '0', '".Database::escape_string(get_lang('NoSeduction')) . "', '-5', '2')");
- Database::query("INSERT INTO $TABLEQUIZANSWERSLIST (c_id, question_id, answer, correct, comment, ponderation, position) VALUES ($course_id, '$questionId', '".Database::escape_string(get_lang('Force')) . "', '1', '".Database::escape_string(get_lang('Indeed')) . "', '5', '3')");
- Database::query("INSERT INTO $TABLEQUIZANSWERSLIST (c_id, question_id, answer, correct, comment, ponderation, position) VALUES ($course_id, '$questionId', '".Database::escape_string(get_lang('Contradiction')) . "', '1', '".Database::escape_string(get_lang('NotFalse')) . "', '5', '4')");
- /* Forum tool */
- Database::query("INSERT INTO $TABLEFORUMCATEGORIES VALUES ($course_id, 1,'".Database::escape_string(get_lang('ExampleForumCategory'))."', '', 1, 0, 0)");
- $insert_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id, 'forum_category',1,NOW(),NOW(),$insert_id,'ForumCategoryAdded',1,0,NULL,1)");
- Database::query("INSERT INTO $TABLEFORUMS (c_id, forum_title, forum_comment, forum_threads,forum_posts,forum_last_post,forum_category, allow_anonymous, allow_edit,allow_attachments, allow_new_threads,default_view,forum_of_group,forum_group_public_private, forum_order,locked,session_id )
- VALUES ($course_id, '".Database::escape_string(get_lang('ExampleForum'))."', '', 0, 0, 0, 1, 0, 1, '0', 1, 'flat','0', 'public', 1, 0,0)");
- $insert_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id, '".TOOL_FORUM."', 1,NOW(),NOW(),$insert_id,'ForumAdded',1,0,NULL,1)");
- Database::query("INSERT INTO $TABLEFORUMTHREADS (c_id, thread_id, thread_title, forum_id, thread_replies, thread_poster_id, thread_poster_name, thread_views, thread_last_post, thread_date, locked, thread_qualify_max, session_id)
- VALUES ($course_id, 1, '".Database::escape_string(get_lang('ExampleThread'))."', 1, 0, 1, '', 0, 1, NOW(), 0, 10, 0)");
- $insert_id = Database :: insert_id();
- Database::query("INSERT INTO $TABLEITEMPROPERTY (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility)
- VALUES ($course_id, 'forum_thread',1,NOW(),NOW(),$insert_id,'ForumThreadAdded',1,0,NULL,1)");
- Database::query("INSERT INTO $TABLEFORUMPOSTS VALUES ($course_id, 1, '".Database::escape_string(get_lang('ExampleThread'))."', '".Database::escape_string(get_lang('ExampleThreadContent'))."', 1, 1, 1, '', NOW(), 0, 0, 1)");
- /* Gradebook tool */
- $course = api_get_course_info_by_id($course_id);
- $course_code = $course['code'];
- // father gradebook
- Database::query("INSERT INTO $TABLEGRADEBOOK (name, description, user_id, course_code, parent_id, weight, visible, certif_min_score, session_id, document_id) VALUES ('$course_code','',1,'$course_code',0,100,0,NULL,NULL,$example_cert_id)");
- $gbid = Database :: insert_id();
- Database::query("INSERT INTO $TABLEGRADEBOOK (name, description, user_id, course_code, parent_id, weight, visible, certif_min_score, session_id, document_id) VALUES ('$course_code','',1,'$course_code',$gbid,100,1,75,NULL,$example_cert_id)");
- $gbid = Database :: insert_id();
- Database::query("INSERT INTO $TABLEGRADEBOOKLINK (type, ref_id, user_id, course_code, category_id, created_at, weight, visible, locked) VALUES (1,$exercise_id,1,'$course_code',$gbid,'$now',100,1,0)");
- }
- //Installing plugins in course
- $app_plugin = new AppPlugin();
- $app_plugin->install_course_plugins($course_id);
- $language_interface = $language_interface_original;
- return true;
- }
- /**
- * function register_course to create a record in the course table of the main database
- * @param string $course_sys_code
- * @param string $course_screen_code
- * @param string $course_repository
- * @param string $course_db_name
- * @param string $tutor_name
- * @param string $category
- * @param string $title complete name of course
- * @param string $course_language lang for this course
- * @param string $uid uid of owner
- * @param integer Expiration date in unix time representation
- * @param array Optional array of teachers' user ID
- * @return int 0
- * @todo use an array called $params instead of lots of params
- */
- static function register_course($params)
- {
- global $error_msg, $firstExpirationDelay;
- $title = $params['title'];
- $code = $params['code'];
- $visual_code = $params['visual_code'];
- $directory = isset($params['directory']) ? $params['directory'] : null;
- $tutor_name = isset($params['tutor_name']) ? $params['tutor_name'] : null;
- $category_code = isset($params['category_code']) ? $params['category_code'] : null;
- $defaultLanguage = Container::getTranslator()->getLocale();
- $course_language = isset($params['course_language']) && !empty($params['course_language']) ? $params['course_language'] : $defaultLanguage;
- $user_id = empty($params['user_id']) ? api_get_user_id() : intval($params['user_id']);
- $department_name = isset($params['department_name']) ? $params['department_name'] : null;
- $department_url = isset($params['department_url']) ? $params['department_url'] : null;
- $disk_quota = isset($params['disk_quota']) ? $params['disk_quota'] : null;
- if (!isset($params['visibility'])) {
- $default_course_visibility = api_get_setting('course.courses_default_creation_visibility');
- if (isset($default_course_visibility)) {
- $visibility = $default_course_visibility;
- } else {
- $visibility = COURSE_VISIBILITY_OPEN_PLATFORM;
- }
- } else {
- $visibility = $params['visibility'];
- }
- $subscribe = isset($params['subscribe']) ? intval($params['subscribe']) : ($visibility == COURSE_VISIBILITY_OPEN_PLATFORM ? 1 : 0);
- $unsubscribe = isset($params['unsubscribe']) ? intval($params['unsubscribe']) : 0;
- $expiration_date = isset($params['expiration_date']) ? $params['expiration_date'] : null;
- $teachers = isset($params['teachers']) ? $params['teachers'] : null;
- $status = isset($params['status']) ? $params['status'] : null;
- $TABLECOURSE = Database :: get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
- $ok_to_register_course = true;
- // Check whether all the needed parameters are present.
- if (empty($code)) {
- $error_msg[] = 'courseSysCode is missing';
- $ok_to_register_course = false;
- }
- if (empty($visual_code)) {
- $error_msg[] = 'courseScreenCode is missing';
- $ok_to_register_course = false;
- }
- if (empty($directory)) {
- $error_msg[] = 'courseRepository is missing';
- $ok_to_register_course = false;
- }
- if (empty($title)) {
- $error_msg[] = 'title is missing';
- $ok_to_register_course = false;
- }
- if (empty($expiration_date)) {
- $expiration_date = api_get_utc_datetime(time() + $firstExpirationDelay);
- } else {
- $expiration_date = api_get_utc_datetime($expiration_date);
- }
- if ($visibility < 0 || $visibility > 3) {
- $error_msg[] = 'visibility is invalid';
- $ok_to_register_course = false;
- }
- if (empty($disk_quota)) {
- $disk_quota = api_get_setting('document.default_document_quotum');
- }
- $time = api_get_utc_datetime();
- if (stripos($department_url, 'http://') === false && stripos($department_url, 'https://') === false) {
- $department_url = 'http://'.$department_url;
- }
- //just in case
- if ($department_url == 'http://') {
- $department_url = '';
- }
- $course_id = 0;
- if ($ok_to_register_course) {
- /** @var Course $course */
- $course = self::getCourseManager()->create();
- $course->setCode($code)
- ->setDirectory($directory)
- ->setCourseLanguage($course_language)
- ->setTitle($title)
- ->setDescription(get_lang('CourseDescription'))
- ->setCategoryCode($category_code)
- ->setVisibility($visibility)
- ->setShowScore(1)
- ->setDiskQuota($disk_quota)
- ->setCreationDate(new \DateTime())
- ->setExpirationDate(new \DateTime($expiration_date))
- //->setLastEdit()
- ->setDepartmentName($department_name)
- ->setDepartmentUrl($department_url)
- ->setSubscribe($subscribe)
- ->setUnsubscribe($unsubscribe)
- ->setVisualCode($visual_code)
- ;
- self::getCourseManager()->save($course, true);
- $course_id = $course->getId();
- /*// Here we must add 2 fields.
- $sql = "INSERT INTO ".$TABLECOURSE . " SET
- code = '".Database :: escape_string($code) . "',
- directory = '".Database :: escape_string($directory) . "',
- course_language = '".Database :: escape_string($course_language) . "',
- title = '".Database :: escape_string($title) . "',
- description = '".Database::escape_string(get_lang('CourseDescription')) . "',
- category_code = '".Database :: escape_string($category_code) . "',
- visibility = '".$visibility . "',
- show_score = '1',
- disk_quota = '".intval($disk_quota) . "',
- creation_date = '$time',
- expiration_date = '".$expiration_date . "',
- last_edit = '$time',
- last_visit = NULL,
- tutor_name = '".Database :: escape_string($tutor_name) . "',
- department_name = '".Database :: escape_string($department_name) . "',
- department_url = '".Database :: escape_string($department_url) . "',
- subscribe = '".intval($subscribe) . "',
- unsubscribe = '".intval($unsubscribe) . "',
- visual_code = '".Database :: escape_string($visual_code) . "'";
- Database::query($sql);
- $course_id = Database::insert_id();*/
- //$course->addUsers()
- if ($course_id) {
- $settingsManager = Container::getCourseSettingsManager();
- $schemas = $settingsManager->getSchemas();
- $schemas = array_keys($schemas);
- /**
- * @var string $key
- * @var \Sylius\Bundle\SettingsBundle\Schema\SchemaInterface $schema
- */
- foreach ($schemas as $schema) {
- $settings = $settingsManager->loadSettings($schema);
- $settingsManager->setCourse($course);
- $settingsManager->saveSettings($schema, $settings);
- }
- $sort = api_max_sort_value('0', api_get_user_id());
- $i_course_sort = CourseManager :: userCourseSort($user_id, $code);
- if (!empty($user_id)) {
- $sql = "INSERT INTO ".$TABLECOURSUSER . " SET
- c_id = '".Database :: escape_string($course_id). "',
- user_id = '".intval($user_id) . "',
- status = '1',
- tutor_id = '0',
- sort = '". ($i_course_sort) . "',
- user_course_cat = '0'";
- Database::query($sql);
- }
- if (!empty($teachers)) {
- if (!is_array($teachers)) {
- $teachers = array($teachers);
- }
- foreach ($teachers as $key) {
- //just in case
- if ($key == $user_id) {
- continue;
- }
- if (empty($key)) {
- continue;
- }
- $sql = "INSERT INTO ".$TABLECOURSUSER . " SET
- c_id = '".Database::escape_string($course_id) . "',
- user_id = '".Database::escape_string($key) . "',
- status = '1',
- role = '',
- tutor_id = '0',
- sort = '". ($sort +1) . "',
- user_course_cat = '0'";
- Database::query($sql);
- }
- }
- // Adding the course to an URL
- if (api_is_multiple_url_enabled()) {
- $url_id = 1;
- if (api_get_current_access_url_id() != -1) {
- $url_id = api_get_current_access_url_id();
- }
- UrlManager::add_course_to_url($course_id, $url_id);
- } else {
- UrlManager::add_course_to_url($course_id, 1);
- }
- // Add event to the system log.
- $user_id = api_get_user_id();
- Event::addEvent(LOG_COURSE_CREATE, LOG_COURSE_CODE, $code, api_get_utc_datetime(), $user_id, $code);
- $send_mail_to_admin = api_get_setting('course.send_email_to_admin_when_create_course');
- // @todo Improve code to send to all current portal administrators.
- if ($send_mail_to_admin == 'true') {
- $siteName = api_get_setting('platform.site_name');
- $recipient_email = api_get_setting('platform.administrator_email');
- $recipient_name = api_get_person_name(api_get_setting('platform.administrator_name'), api_get_setting('platform.administrator_surname'));
- $iname = api_get_setting('platform.institution');
- $subject = get_lang('NewCourseCreatedIn').' '.$siteName.' - '.$iname;
- $body = get_lang('Dear').' '.$recipient_name.",\n\n".get_lang('MessageOfNewCourseToAdmin').' '.$siteName.' - '.$iname."\n";
- $body .= get_lang('CourseName').' '.$title."\n";
- $body .= get_lang('Category').' '.$category_code."\n";
- $body .= get_lang('Tutor').' '.$tutor_name."\n";
- $body .= get_lang('Language').' '.$course_language;
- //api_mail_html($recipient_name, $recipient_email, $subject, $message, $siteName, $recipient_email);
- $message = \Swift_Message::newInstance()
- ->setSubject($subject)
- ->setFrom($recipient_email)
- ->setTo($recipient_email)
- ->setBody(
- Container::getTemplate()->render(
- 'ChamiloCoreBundle:Mailer:Course/new_course.html.twig',
- array(
- 'recipient_name' => $recipient_name,
- 'sitename' => $siteName,
- 'institution' => $iname,
- 'course_name' => $title,
- 'category' => $category_code,
- 'tutor' => $tutor_name,
- 'language' => $course_language
- )
- )
- )
- ;
- Container::getMailer()->send($message);
- }
- }
- }
- return $course_id;
- }
- /**
- * This function returns information about coachs from a course in session
- * @param int - optional, session id
- * @param string - optional, course code
- * @return array - array containing user_id, lastname, firstname, username
- */
- public static function get_coaches_from_course($session_id=0, $courseId = null) {
- if (!empty($session_id)) {
- $session_id = intval($session_id);
- } else {
- $session_id = api_get_session_id();
- }
- if (!empty($courseId)) {
- $courseId = Database::escape_string($courseId);
- } else {
- $courseId = api_get_course_int_id();
- }
- $tbl_user = Database :: get_main_table(TABLE_MAIN_USER);
- $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
- $coaches = array();
- $sql = "SELECT u.user_id,u.lastname,u.firstname,u.username
- FROM $tbl_user u,$tbl_session_course_user scu
- WHERE u.user_id = scu.id_user AND scu.id_session = '$session_id' AND scu.c_id = '$courseId' AND scu.status = 2";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) > 0) {
- while ($row = Database::fetch_array($rs)) {
- $coaches[] = $row;
- }
- return $coaches;
- } else {
- return false;
- }
- }
- /**
- * @return a list (array) of all courses.
- * This function was originally in the Database class
- */
- public static function get_course_list()
- {
- $table = Database::get_main_table(TABLE_MAIN_COURSE);
- return Database::store_result(Database::query("SELECT *, id as real_id FROM $table"));
- }
- /**
- * Returns course code from a given gradebook category's id
- * @param int Category ID
- * @return string Course code
- */
- public static function get_course_by_category($category_id)
- {
- $category_id = intval($category_id);
- $info = Database::fetch_array(
- Database::query(
- 'SELECT course_code FROM '.Database::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY).' WHERE id='.$category_id
- ),
- 'ASSOC'
- );
- return $info ? $info['course_code'] : false;
- }
- /**
- * @param $courseId
- * @return array
- */
- public static function getCourseSettings($courseId)
- {
- $settingTable = Database::get_course_table(TABLE_COURSE_SETTING);
- $courseId = intval($courseId);
- $sql = "SELECT * FROM $settingTable WHERE c_id = $courseId";
- $result = Database::query($sql);
- $settings = array();
- if (Database::num_rows($result)) {
- while ($row = Database::fetch_array($result, 'ASSOC')) {
- $settings[$row['variable']] = $row;
- }
- }
- return $settings;
- }
- function updateTeachers($course_code, $teachers)
- {
- if (empty($teachers)) {
- return false;
- }
- if (!is_array($teachers)) {
- $teachers = array($teachers);
- }
- $course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- // Delete only teacher relations that doesn't match the selected teachers
- $cond = null;
- if (count($teachers)>0) {
- foreach($teachers as $key) {
- $cond.= " AND user_id <> '".$key."'";
- }
- }
- $sql = 'DELETE FROM '.$course_user_table.' WHERE course_code="'.Database::escape_string($course_code).'" AND status="1"'.$cond;
- Database::query($sql);
- if (count($teachers) > 0) {
- foreach ($teachers as $key) {
- //We check if the teacher is already subscribed in this course
- $sql_select_teacher = 'SELECT 1 FROM '.$course_user_table.' WHERE user_id = "'.$key.'" AND course_code = "'.$course_code.'" ';
- $result = Database::query($sql_select_teacher);
- if (Database::num_rows($result) == 1) {
- $sql = 'UPDATE '.$course_user_table.' SET status = "1" WHERE course_code = "'.$course_code.'" AND user_id = "'.$key.'" ';
- } else {
- $sql = "INSERT INTO ".$course_user_table . " SET
- course_code = '".Database::escape_string($course_code). "',
- user_id = '".$key . "',
- status = '1',
- role = '',
- tutor_id='0',
- sort='0',
- user_course_cat='0'";
- }
- Database::query($sql);
- }
- }
- }
- /**
- * this function gets all the users of the course,
- * including users from linked courses
- */
- public static function getCourseUsers()
- {
- //this would return only the users from real courses:
- $session_id = api_get_session_id();
- if ($session_id != 0) {
- $user_list = self::get_real_and_linked_user_list(api_get_course_id(), true, $session_id);
- } else {
- $user_list = self::get_real_and_linked_user_list(api_get_course_id(), false, 0);
- }
- return $user_list;
- }
- /**
- * this function gets all the groups of the course,
- * not including linked courses
- */
- public static function getCourseGroups()
- {
- $session_id = api_get_session_id();
- if ($session_id != 0) {
- $new_group_list = self::get_group_list_of_course(api_get_course_id(), $session_id, 1);
- } else {
- $new_group_list = self::get_group_list_of_course(api_get_course_id(), 0, 1);
- }
- return $new_group_list;
- }
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- /**
- * @param FormValidator $form
- * @param $to_already_selected
- */
- public static function addUserGroupMultiSelect(&$form, $to_already_selected)
- {
- $user_list = self::getCourseUsers();
- $group_list = self::getCourseGroups();
- $array = self::buildSelectOptions($group_list, $user_list, $to_already_selected);
- $result = array();
- foreach ($array as $content) {
- $result[$content['value']] = $content['content'];
- }
- $group = $form->addElement('advmultiselect', 'users', get_lang('Users'), $result);
- $group->setButtonAttributes('add');
- $group->setButtonAttributes('remove');
- }
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- /**
- * @param FormValidator $form
- * @param int $group_id
- * @param array $to
- */
- public static function addGroupMultiSelect($form, $group_id, $to = array())
- {
- $group_users = GroupManager::get_subscribed_users($group_id);
- $array = self::buildSelectOptions(null, $group_users, $to);
- $result = array();
- foreach ($array as $content) {
- $result[$content['value']] = $content['content'];
- }
- $group = $form->addElement('advmultiselect', 'users', get_lang('Users'), $result);
- $group->setButtonAttributes('add');
- $group->setButtonAttributes('remove');
- }
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- public static function buildSelectOptions(
- $group_list = null,
- $user_list = null,
- $to_already_selected = array()
- ) {
- if (empty($to_already_selected)) {
- $to_already_selected = array();
- }
- $result = array();
- // adding the groups to the select form
- if ($group_list) {
- foreach ($group_list as $this_group) {
- if (is_array($to_already_selected)) {
- if (!in_array(
- "GROUP:".$this_group['id'],
- $to_already_selected
- )
- ) { // $to_already_selected is the array containing the groups (and users) that are already selected
- $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser');
- $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled";
- $result []= array(
- 'disabled' => $user_disabled,
- 'value' => "GROUP:".$this_group['id'],
- 'content' => "G: ".$this_group['name']." - ".$this_group['userNb']." ".$user_label
- );
- }
- }
- }
- }
- // adding the individual users to the select form
- if ($user_list) {
- foreach ($user_list as $user) {
- if (is_array($to_already_selected)) {
- if (!in_array(
- "USER:".$user['user_id'],
- $to_already_selected
- )
- ) { // $to_already_selected is the array containing the users (and groups) that are already selected
- $result[]= array(
- 'value' => "USER:".$user['user_id'],
- 'content' => api_get_person_name($user['firstname'], $user['lastname'])
- );
- }
- }
- }
- }
- return $result;
- }
- }
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