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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
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 {
if (is_null($node->getId())) {
return;
}
$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']);
}
}
}
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