nextcloud/lib/private/Preview/Watcher.php

78 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 OCP\Files\Folder;
use OCP\Files\IAppData;
use OCP\Files\Node;
use OCP\Files\NotFoundException;
/**
* Class Watcher
*
* @package OC\Preview
*
* Class that will watch filesystem activity and remove previews as needed.
*/
class Watcher {
/** @var IAppData */
private $appData;
/**
* Watcher constructor.
*
* @param IAppData $appData
*/
public function __construct(IAppData $appData) {
$this->appData = $appData;
}
public function postWrite(Node $node) {
$this->deleteNode($node);
}
protected function deleteNode(Node $node) {
// We only handle files
if ($node instanceof Folder) {
return;
}
try {
$folder = $this->appData->getFolder((string)$node->getId());
$folder->delete();
} catch (NotFoundException $e) {
//Nothing to do
}
}
public function versionRollback(array $data) {
if (isset($data['node'])) {
$this->deleteNode($data['node']);
}
}
}