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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\Files\Cache;
use OC\FilesMetadata\FilesMetadataManager;
use OC\SystemConfig;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\Files\Cache\IFileAccess;
use OCP\Files\IMimeTypeLoader;
use OCP\IDBConnection;
use Psr\Log\LoggerInterface;
/**
* Low level access to the file cache
*/
class FileAccess implements IFileAccess {
public function __construct(
private IDBConnection $connection,
private SystemConfig $systemConfig,
private LoggerInterface $logger,
private FilesMetadataManager $metadataManager,
private IMimeTypeLoader $mimeTypeLoader,
) {
}
private function getQuery(): CacheQueryBuilder {
return new CacheQueryBuilder(
$this->connection,
$this->systemConfig,
$this->logger,
$this->metadataManager,
);
}
public function getByFileIdInStorage(int $fileId, int $storageId): ?CacheEntry {
$items = array_values($this->getByFileIdsInStorage([$fileId], $storageId));
return $items[0] ?? null;
}
public function getByPathInStorage(string $path, int $storageId): ?CacheEntry {
$query = $this->getQuery()->selectFileCache();
$query->andWhere($query->expr()->eq('filecache.path_hash', $query->createNamedParameter(md5($path))));
$query->andWhere($query->expr()->eq('filecache.storage', $query->createNamedParameter($storageId, IQueryBuilder::PARAM_INT)));
$row = $query->executeQuery()->fetch();
return $row ? Cache::cacheEntryFromData($row, $this->mimeTypeLoader) : null;
}
public function getByFileId(int $fileId): ?CacheEntry {
$items = array_values($this->getByFileIds([$fileId]));
return $items[0] ?? null;
}
/**
* @param array[] $rows
* @return array<int, CacheEntry>
*/
private function rowsToEntries(array $rows): array {
$result = [];
foreach ($rows as $row) {
$entry = Cache::cacheEntryFromData($row, $this->mimeTypeLoader);
$result[$entry->getId()] = $entry;
}
return $result;
}
/**
* @param int[] $fileIds
* @return array<int, CacheEntry>
*/
public function getByFileIds(array $fileIds): array {
$query = $this->getQuery()->selectFileCache();
$query->andWhere($query->expr()->in('filecache.fileid', $query->createNamedParameter($fileIds, IQueryBuilder::PARAM_INT_ARRAY)));
$rows = $query->executeQuery()->fetchAll();
return $this->rowsToEntries($rows);
}
/**
* @param int[] $fileIds
* @param int $storageId
* @return array<int, CacheEntry>
*/
public function getByFileIdsInStorage(array $fileIds, int $storageId): array {
$fileIds = array_values($fileIds);
$query = $this->getQuery()->selectFileCache();
$query->andWhere($query->expr()->in('filecache.fileid', $query->createNamedParameter($fileIds, IQueryBuilder::PARAM_INT_ARRAY)));
$query->andWhere($query->expr()->eq('filecache.storage', $query->createNamedParameter($storageId, IQueryBuilder::PARAM_INT)));
$rows = $query->executeQuery()->fetchAll();
return $this->rowsToEntries($rows);
}
}
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