69 lines
1.4 KiB
PHP
69 lines
1.4 KiB
PHP
<?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 OC\Preview\Db\PreviewMapper;
|
|
use OC\Preview\Storage\StorageFactory;
|
|
use OCP\Files\FileInfo;
|
|
use OCP\Files\Folder;
|
|
use OCP\Files\Node;
|
|
use OCP\IDBConnection;
|
|
|
|
/**
|
|
* Class Watcher
|
|
*
|
|
* @package OC\Preview
|
|
*
|
|
* Class that will watch filesystem activity and remove previews as needed.
|
|
*/
|
|
class Watcher {
|
|
/**
|
|
* Watcher constructor.
|
|
*/
|
|
public function __construct(
|
|
private readonly StorageFactory $storageFactory,
|
|
private readonly PreviewMapper $previewMapper,
|
|
private readonly IDBConnection $connection,
|
|
) {
|
|
}
|
|
|
|
public function postWrite(Node $node): void {
|
|
$this->deleteNode($node);
|
|
}
|
|
|
|
protected function deleteNode(FileInfo $node): void {
|
|
// We only handle files
|
|
if ($node instanceof Folder) {
|
|
return;
|
|
}
|
|
|
|
$nodeId = $node->getId();
|
|
if (is_null($nodeId)) {
|
|
return;
|
|
}
|
|
|
|
[$node->getId() => $previews] = $this->previewMapper->getAvailablePreviews([$nodeId]);
|
|
$this->connection->beginTransaction();
|
|
try {
|
|
foreach ($previews as $preview) {
|
|
$this->storageFactory->deletePreview($preview);
|
|
$this->previewMapper->delete($preview);
|
|
}
|
|
} finally {
|
|
$this->connection->commit();
|
|
}
|
|
}
|
|
|
|
public function versionRollback(array $data): void {
|
|
if (isset($data['node'])) {
|
|
$this->deleteNode($data['node']);
|
|
}
|
|
}
|
|
}
|