<?php // This file is part of Moodle - http://moodle.org/ // // Moodle is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Moodle is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Moodle. If not, see <http://www.gnu.org/licenses/>. /** * Event observers supported by this module * * @package mod_attendance * @copyright 2017 Dan Marsden * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); /** * Event observers supported by this module * * @package mod_attendance * @copyright 2017 Dan Marsden * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ class mod_attendance_observer { /** * Observer for the event course_content_deleted - delete all attendance stuff. * * @param \core\event\course_content_deleted $event */ public static function course_content_deleted(\core\event\course_content_deleted $event) { global $DB; $attids = array_keys($DB->get_records('attendance', array('course' => $event->objectid), '', 'id')); $sessids = array_keys($DB->get_records_list('attendance_sessions', 'attendanceid', $attids, '', 'id')); if (attendance_existing_calendar_events_ids($sessids)) { attendance_delete_calendar_events($sessids); } if ($sessids) { $DB->delete_records_list('attendance_log', 'sessionid', $sessids); } if ($attids) { $DB->delete_records_list('attendance_statuses', 'attendanceid', $attids); $DB->delete_records_list('attendance_sessions', 'attendanceid', $attids); } } }