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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@winzerhof-wurst.at>
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Vincent Petry <vincent@nextcloud.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCA\Files_Sharing;
use OC\BackgroundJob\TimedJob;
/**
* Delete all share entries that have no matching entries in the file cache table.
*/
class DeleteOrphanedSharesJob extends TimedJob {
/**
* Default interval in minutes
*
* @var int $defaultIntervalMin
**/
protected $defaultIntervalMin = 15;
/**
* sets the correct interval for this timed job
*/
public function __construct() {
$this->interval = $this->defaultIntervalMin * 60;
}
/**
* Makes the background job do its work
*
* @param array $argument unused argument
*/
public function run($argument) {
$connection = \OC::$server->getDatabaseConnection();
$logger = \OC::$server->getLogger();
$sql =
'DELETE FROM `*PREFIX*share` ' .
'WHERE `item_type` in (\'file\', \'folder\') ' .
'AND NOT EXISTS (SELECT `fileid` FROM `*PREFIX*filecache` WHERE `file_source` = `fileid`)';
$deletedEntries = $connection->executeUpdate($sql);
$logger->debug("$deletedEntries orphaned share(s) deleted", ['app' => 'DeleteOrphanedSharesJob']);
}
}
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