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- <?php
-
- declare(strict_types=1);
- /**
- * @copyright Copyright 2022 Carl Schwan <carl@carlschwan.eu>
- * @license AGPL-3.0-or-later
- *
- * 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 OC\Metadata;
-
- use OCP\AppFramework\Db\DoesNotExistException;
- use OCP\AppFramework\Db\MultipleObjectsReturnedException;
- use OCP\AppFramework\Db\QBMapper;
- use OCP\DB\Exception;
- use OCP\DB\QueryBuilder\IQueryBuilder;
- use OCP\IDBConnection;
-
- class FileMetadataMapper extends QBMapper {
- public function __construct(IDBConnection $db) {
- parent::__construct($db, 'file_metadata', FileMetadata::class);
- }
-
- /**
- * @return FileMetadata[]
- * @throws Exception
- */
- public function findForFile(int $fileId): array {
- $qb = $this->db->getQueryBuilder();
- $qb->select('*')
- ->from($this->getTableName())
- ->where($qb->expr()->eq('id', $qb->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
-
- return $this->findEntities($qb);
- }
-
- /**
- * @throws DoesNotExistException
- * @throws MultipleObjectsReturnedException
- * @throws Exception
- */
- public function findForGroupForFile(int $fileId, string $groupName): FileMetadata {
- $qb = $this->db->getQueryBuilder();
- $qb->select('*')
- ->from($this->getTableName())
- ->where($qb->expr()->eq('id', $qb->createNamedParameter($fileId, IQueryBuilder::PARAM_INT_ARRAY)))
- ->andWhere($qb->expr()->eq('group_name', $qb->createNamedParameter($groupName, IQueryBuilder::PARAM_STR)));
-
- return $this->findEntity($qb);
- }
-
- /**
- * @return array<int, FileMetadata>
- * @throws Exception
- */
- public function findForGroupForFiles(array $fileIds, string $groupName): array {
- $qb = $this->db->getQueryBuilder();
- $qb->select('*')
- ->from($this->getTableName())
- ->where($qb->expr()->in('id', $qb->createParameter('fileIds')))
- ->andWhere($qb->expr()->eq('group_name', $qb->createNamedParameter($groupName, IQueryBuilder::PARAM_STR)));
-
- $metadata = [];
- foreach (array_chunk($fileIds, 1000) as $fileIdsChunk) {
- $qb->setParameter('fileIds', $fileIdsChunk, IQueryBuilder::PARAM_INT_ARRAY);
- /** @var FileMetadata[] $rawEntities */
- $rawEntities = $this->findEntities($qb);
- foreach ($rawEntities as $entity) {
- $metadata[$entity->getId()] = $entity;
- }
- }
-
- foreach ($fileIds as $id) {
- if (isset($metadata[$id])) {
- continue;
- }
- $empty = new FileMetadata();
- $empty->setMetadata([]);
- $empty->setGroupName($groupName);
- $empty->setId($id);
- $metadata[$id] = $empty;
- }
- return $metadata;
- }
-
- public function clear(int $fileId): void {
- $qb = $this->db->getQueryBuilder();
- $qb->delete($this->getTableName())
- ->where($qb->expr()->eq('id', $qb->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
-
- $qb->executeStatement();
- }
- }
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