server/lib/private/Preview/WatcherConnector.php
Roeland Jago Douma 39bb9c06d1
Delete the previews when a version is restored
Fixes #9469

When a version of a file is restored the previews are no longer valid.
Thus we should remove them so they are regenerated.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
2018-05-14 19:58:19 +02:00

67 lines
1.8 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Preview;
use OC\SystemConfig;
use OCP\Files\Node;
use OCP\Files\IRootFolder;
class WatcherConnector {
/** @var IRootFolder */
private $root;
/** @var SystemConfig */
private $config;
/**
* WatcherConnector constructor.
*
* @param IRootFolder $root
* @param SystemConfig $config
*/
public function __construct(IRootFolder $root,
SystemConfig $config) {
$this->root = $root;
$this->config = $config;
}
/**
* @return Watcher
*/
private function getWatcher(): Watcher {
return \OC::$server->query(Watcher::class);
}
public function connectWatcher() {
// Do not connect if we are not setup yet!
if ($this->config->getValue('instanceid', null) !== null) {
$this->root->listen('\OC\Files', 'postWrite', function (Node $node) {
$this->getWatcher()->postWrite($node);
});
\OC_Hook::connect('\OCP\Versions', 'rollback', $this->getWatcher(), 'versionRollback');
}
}
}