Current Path : C:/xampp/htdocs/moodle/lib/classes/task/ |
Current File : C:/xampp/htdocs/moodle/lib/classes/task/messaging_cleanup_task.php |
<?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/>. /** * A scheduled task. * * @package core * @copyright 2013 onwards Martin Dougiamas http://dougiamas.com * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ namespace core\task; /** * Simple task to delete old messaging records. */ class messaging_cleanup_task extends scheduled_task { /** * Get a descriptive name for this task (shown to admins). * * @return string */ public function get_name() { return get_string('taskmessagingcleanup', 'admin'); } /** * Do the job. Each message processor also gets the chance to perform it's own cleanup. * Throw exceptions on errors (the job will be retried). */ public function execute() { global $CFG, $DB; $timenow = time(); $processors = get_message_processors(true); // Cleanup read and unread notifications. if (!empty($CFG->messagingdeleteallnotificationsdelay)) { $notificationdeletetime = $timenow - $CFG->messagingdeleteallnotificationsdelay; /** @var \message_output $processor */ foreach (array_column($processors, 'object') as $processor) { $processor->cleanup_all_notifications($notificationdeletetime); } $params = array('notificationdeletetime' => $notificationdeletetime); $DB->delete_records_select('notifications', 'timecreated < :notificationdeletetime', $params); } // Cleanup read notifications. if (!empty($CFG->messagingdeletereadnotificationsdelay)) { $notificationdeletetime = $timenow - $CFG->messagingdeletereadnotificationsdelay; /** @var \message_output $processor */ foreach (array_column($processors, 'object') as $processor) { $processor->cleanup_read_notifications($notificationdeletetime); } $params = array('notificationdeletetime' => $notificationdeletetime); $DB->delete_records_select('notifications', 'timeread < :notificationdeletetime', $params); } } }