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 $course_code, the course code * @return an array with all the fields of the course table * @deprecated use api_get_course_info() * @author Patrick Cool , Ghent University * @assert (array(1,2,3)) === false */ public static function get_course_information($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 , 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 $result; } /** * Get coachs' emails by session * @param int session id * @param int course id * @return array array(email => name_tutor) by coach * @author Carlos Vargas */ public static function get_email_of_tutor_to_session($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 .= ''; $data .= '
'; $data .= $description->content; $data .= '
'; } } else { $data .= ''.get_lang('ThisCourseDescriptionIsEmpty').''; } 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 = '
'; $html = ''; $class = "well course-box"; if ($is_sub_content) { $class = "course_item"; } if (!empty($params['is_session'])) { $class .= " session-item"; } $html .= '
'; $html .= $rowDiv; $html .= '
'; $html .= $rowDiv; $html .= '
'; if (!empty($params['link'])) { $html .= ''; $html .= $params['icon']; $html .= ''; } else { $html .= '
'; $html .= $params['icon']; $html .= '
'; } $html .= '
'; $notifications = isset($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 .= '
'; $html .='

'.$params['title'].$notifications.'

'; if (!empty($params['subtitle'])) { $html .= ''.$params['subtitle'].''; } if (!empty($params['teachers'])) { $html .= '
'.Display::return_icon('teacher.png', get_lang('Teacher'), array(), ICON_SIZE_TINY).$params['teachers'].'
'; } if (!empty($params['coaches'])) { $html .= '
'.Display::return_icon('teacher.png', get_lang('Coach'), array(), ICON_SIZE_TINY).$params['coaches'].'
'; } $html .= '
'; $html .= '
'; $html .= '
'; $params['right_actions'] = isset($params['right_actions']) ? $params['right_actions'] : null; $html .= '
'.$params['right_actions'].'
'; $html .= '
'; $html .= ''; return $html; } public static function course_item_parent($main_content, $sub_content, $sub_sub_content = null) { return '
'.$main_content.$sub_content.$sub_sub_content.'
'; } /** * 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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course['real_id'].'_0', 'class'=>'document_preview_container')); } else { $params['right_actions'] .= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } if ($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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course['real_id'].'_0', 'class'=>'document_preview_container')); } } } if ($course_info['visibility'] != COURSE_VISIBILITY_CLOSED || $course['status'] == COURSEMANAGER) { $course_title = ''.$course_info['title'].''; } 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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } if ($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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { if ($course_info['status'] == COURSEMANAGER) { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } } } } $course_title_url = ''; if ($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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } if ($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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { if ($course_info['status'] == COURSEMANAGER) { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } } } } //$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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } if ($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'] .= ''.Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$course_info['real_id'].'_0', 'class'=>'document_preview_container')); } else { if ($course_info['status'] == COURSEMANAGER) { $params['right_actions'].= ''.Display::return_icon('edit.png', get_lang('Edit'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; } } } } $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 , 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']; $session_title = ''.$course_info['name'].''; } 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'] .= ''. Display::return_icon('folder.png', get_lang('Documents'), array('align' => 'absmiddle'),ICON_SIZE_SMALL).''; $params['right_actions'] .= Display::div('', array('id' => 'document_result_'.$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 * $wanted_code = 'curse' if there are in the DB codes like curse1 curse2 the function will return: course3 * if the course code doest not exist in the DB the same course code will be returned * @return string wanted unused code */ public static function generate_nice_next_course_code($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 = "\n\n \n \n Not authorized\n \n \n \n"; $cp = api_get_path(SYS_COURSE_PATH).$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 = "\n\n \n \n Not authorized\n \n \n \n"; $example_cert_id = 0; if (is_array($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 '.$course_documents_folder; echo '
'; if (!is_dir($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 '
'; $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 = '

Mr. Chamilo

'.Database::escape_string(get_lang('IntroductionText')).'

'; 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='
'.Database::escape_string(get_lang('IntroductionWiki')).'
'; Database::query("INSERT INTO $TABLEINTROS VALUES ($course_id, '" . TOOL_WIKI . "','".$intro_wiki. "', 0)"); /* Exercise tool */ $html = Database::escape_string('
'.get_lang('Antique').'
'); // Insert exercise Database::query('INSERT INTO '.$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; } }