1 files changed, 84 insertions, 0 deletions
diff --git a/apps/files/lib/Command/DeleteOrphanedFiles.php b/apps/files/lib/Command/DeleteOrphanedFiles.php
new file mode 100644
index 00000000000..91043471ce5
--- /dev/null
+++ b/apps/files/lib/Command/DeleteOrphanedFiles.php
@@ -0,0 +1,84 @@
+<?php
+/**
+ * @author Joas Schilling <nickvergessen@owncloud.com>
+ * @author Morris Jobke <hey@morrisjobke.de>
+ *
+ * @copyright Copyright (c) 2016, ownCloud, Inc.
+ * @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 Doctrine\DBAL\Platforms\PostgreSqlPlatform;
+use Doctrine\DBAL\Platforms\SqlitePlatform;
+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 {
+
+	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) {
+		$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");
+	}
+
+}