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<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
 * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
 * SPDX-License-Identifier: AGPL-3.0-only
 */
return [
	'routes' => [
		[
			'name' => 'Preview#getPreview',
			'url' => '/preview',
			'verb' => 'GET',
		],
	],
];
highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
<?php
/**
 * @copyright Copyright (c) 2016, ownCloud, Inc.
 *
 * @author Christoph Wurst <christoph@winzerhof-wurst.at>
 * @author Joas Schilling <coding@schilljs.com>
 * @author Morris Jobke <hey@morrisjobke.de>
 *
 * @license AGPL-3.0
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program. If not, see <http://www.gnu.org/licenses/>
 *
 */

namespace OCA\Files\Command;

use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Delete all file entries that have no matching entries in the storage table.
 */
class DeleteOrphanedFiles extends Command {
	public const CHUNK_SIZE = 200;

	/**
	 * @var IDBConnection
	 */
	protected $connection;

	public function __construct(IDBConnection $connection) {
		$this->connection = $connection;
		parent::__construct();
	}

	protected function configure() {
		$this
			->setName('files:cleanup')
			->setDescription('cleanup filecache');
	}

	public function execute(InputInterface $input, OutputInterface $output): int {
		$deletedEntries = 0;

		$query = $this->connection->getQueryBuilder();
		$query->select('fc.fileid')
			->from('filecache', 'fc')
			->where($query->expr()->isNull('s.numeric_id'))
			->leftJoin('fc', 'storages', 's', $query->expr()->eq('fc.storage', 's.numeric_id'))
			->setMaxResults(self::CHUNK_SIZE);

		$deleteQuery = $this->connection->getQueryBuilder();
		$deleteQuery->delete('filecache')
			->where($deleteQuery->expr()->eq('fileid', $deleteQuery->createParameter('objectid')));

		$deletedInLastChunk = self::CHUNK_SIZE;
		while ($deletedInLastChunk === self::CHUNK_SIZE) {
			$deletedInLastChunk = 0;
			$result = $query->execute();
			while ($row = $result->fetch()) {
				$deletedInLastChunk++;
				$deletedEntries += $deleteQuery->setParameter('objectid', (int) $row['fileid'])
					->execute();
			}
			$result->closeCursor();
		}

		$output->writeln("$deletedEntries orphaned file cache entries deleted");
		return 0;
	}
}