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<?php
/**
* SPDX-FileCopyrightText: 2017-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\Files\Command;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
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;
public function __construct(
protected IDBConnection $connection,
) {
parent::__construct();
}
protected function configure(): void {
$this
->setName('files:cleanup')
->setDescription('cleanup filecache')
->addOption('skip-filecache-extended', null, InputOption::VALUE_NONE, 'don\'t remove orphaned entries from filecache_extended');
}
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");
if (!$input->getOption('skip-filecache-extended')) {
$deletedFileCacheExtended = $this->cleanupOrphanedFileCacheExtended();
$output->writeln("$deletedFileCacheExtended orphaned file cache extended entries deleted");
}
$deletedMounts = $this->cleanupOrphanedMounts();
$output->writeln("$deletedMounts orphaned mount entries deleted");
return self::SUCCESS;
}
private function cleanupOrphanedFileCacheExtended(): int {
$deletedEntries = 0;
$query = $this->connection->getQueryBuilder();
$query->select('fce.fileid')
->from('filecache_extended', 'fce')
->leftJoin('fce', 'filecache', 'fc', $query->expr()->eq('fce.fileid', 'fc.fileid'))
->where($query->expr()->isNull('fc.fileid'))
->setMaxResults(self::CHUNK_SIZE);
$deleteQuery = $this->connection->getQueryBuilder();
$deleteQuery->delete('filecache_extended')
->where($deleteQuery->expr()->in('fileid', $deleteQuery->createParameter('idsToDelete')));
$result = $query->executeQuery();
while ($result->rowCount() > 0) {
$idsToDelete = $result->fetchAll(\PDO::FETCH_COLUMN);
$deleteQuery->setParameter('idsToDelete', $idsToDelete, IQueryBuilder::PARAM_INT_ARRAY);
$deletedEntries += $deleteQuery->executeStatement();
$result = $query->executeQuery();
}
return $deletedEntries;
}
private function cleanupOrphanedMounts(): int {
$deletedEntries = 0;
$query = $this->connection->getQueryBuilder();
$query->select('m.storage_id')
->from('mounts', 'm')
->where($query->expr()->isNull('s.numeric_id'))
->leftJoin('m', 'storages', 's', $query->expr()->eq('m.storage_id', 's.numeric_id'))
->groupBy('storage_id')
->setMaxResults(self::CHUNK_SIZE);
$deleteQuery = $this->connection->getQueryBuilder();
$deleteQuery->delete('mounts')
->where($deleteQuery->expr()->eq('storage_id', $deleteQuery->createParameter('storageid')));
$deletedInLastChunk = self::CHUNK_SIZE;
while ($deletedInLastChunk === self::CHUNK_SIZE) {
$deletedInLastChunk = 0;
$result = $query->execute();
while ($row = $result->fetch()) {
$deletedInLastChunk++;
$deletedEntries += $deleteQuery->setParameter('storageid', (int) $row['storage_id'])
->execute();
}
$result->closeCursor();
}
return $deletedEntries;
}
}
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