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moodle/lib/classes/task/messaging_cleanup_task.php
Mark Nelson 883ce42127 MDL-36941 core: convert existing api to use new table structure
Also deprecated the following functions -

1. message_move_userfrom_unread2read - It is not necessary
   for us to mark a message as read on user deletion.
2. message_get_blocked_users - Horrible logic used to
   determine if a user is blocked via reference on some
   randomly chosen 'isblocked' variable.
3. message_get_contacts - The same as above. This can be
   done in a much nicer way.
4. message_mark_message_read - We want two functions to do
   this to avoid confusing messages and notifications.
5. message_can_delete_message - This assumed the variable
   $message contained the 'useridto' property, which
   was present in the old table structure. We do not want
   future usages where a query is done on the new table
   and is simply passed as this won't contain this property.
6. message_delete_message - Same as above.
2018-03-23 12:30:27 +08:00

59 lines
1.8 KiB
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.
* Throw exceptions on errors (the job will be retried).
*/
public function execute() {
global $CFG, $DB;
$timenow = time();
// Cleanup messaging.
if (!empty($CFG->messagingdeletereadnotificationsdelay)) {
$notificationdeletetime = $timenow - $CFG->messagingdeletereadnotificationsdelay;
$params = array('notificationdeletetime' => $notificationdeletetime);
$DB->delete_records_select('notifications', 'timeread < :notificationdeletetime', $params);
}
}
}