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bef3996c3e
And move it to a different table so that we don't have to pay the storage cost when not using it (most of the times). Signed-off-by: Carl Schwan <carl.schwan@nextcloud.com>
68 lines
1.4 KiB
PHP
68 lines
1.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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namespace OC\Preview;
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use OC\Preview\Db\PreviewMapper;
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use OC\Preview\Storage\StorageFactory;
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use OCP\Files\FileInfo;
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use OCP\Files\Folder;
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use OCP\Files\Node;
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use OCP\IDBConnection;
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/**
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* Class Watcher
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*
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* @package OC\Preview
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*
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* Class that will watch filesystem activity and remove previews as needed.
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*/
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class Watcher {
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/**
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* Watcher constructor.
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*/
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public function __construct(
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private readonly StorageFactory $storageFactory,
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private readonly PreviewMapper $previewMapper,
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private readonly IDBConnection $connection,
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) {
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}
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public function postWrite(Node $node): void {
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$this->deleteNode($node);
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}
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protected function deleteNode(FileInfo $node): void {
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// We only handle files
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if ($node instanceof Folder) {
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return;
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}
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$nodeId = $node->getId();
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if (is_null($nodeId)) {
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return;
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}
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[$node->getId() => $previews] = $this->previewMapper->getAvailablePreviews([$nodeId]);
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$this->connection->beginTransaction();
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try {
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foreach ($previews as $preview) {
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$this->storageFactory->deletePreview($preview);
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$this->previewMapper->delete($preview);
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}
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} finally {
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$this->connection->commit();
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}
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}
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public function versionRollback(array $data): void {
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if (isset($data['node'])) {
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$this->deleteNode($data['node']);
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}
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}
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}
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