nextcloud-server/apps/files_versions/lib/Db/VersionsMapper.php

104 lines
3.4 KiB
PHP

<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2022 Louis Chmn <louis@chmn.me>
*
* @author Louis Chmn <louis@chmn.me>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\Files_Versions\Db;
use OCP\AppFramework\Db\QBMapper;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
/**
* @extends QBMapper<VersionEntity>
*/
class VersionsMapper extends QBMapper {
public function __construct(IDBConnection $db) {
parent::__construct($db, 'files_versions', VersionEntity::class);
}
/**
* @return VersionEntity[]
*/
public function findAllVersionsForFileId(int $fileId): array {
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from($this->getTableName())
->where($qb->expr()->eq('file_id', $qb->createNamedParameter($fileId)));
return $this->findEntities($qb);
}
/**
* @return VersionEntity
*/
public function findCurrentVersionForFileId(int $fileId): VersionEntity {
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from($this->getTableName())
->where($qb->expr()->eq('file_id', $qb->createNamedParameter($fileId)))
->orderBy('timestamp', 'DESC')
->setMaxResults(1);
return $this->findEntity($qb);
}
public function findVersionForFileId(int $fileId, int $timestamp): VersionEntity {
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from($this->getTableName())
->where($qb->expr()->eq('file_id', $qb->createNamedParameter($fileId)))
->andWhere($qb->expr()->eq('timestamp', $qb->createNamedParameter($timestamp)));
return $this->findEntity($qb);
}
public function deleteAllVersionsForFileId(int $fileId): int {
$qb = $this->db->getQueryBuilder();
return $qb->delete($this->getTableName())
->where($qb->expr()->eq('file_id', $qb->createNamedParameter($fileId)))
->executeStatement();
}
public function deleteAllVersionsForUser(string $userId): int {
$deleteQuery = $this->db->getQueryBuilder();
$filesVersionSelect = $this->db->getQueryBuilder();
$filesVersionSelect->select('fileid')
->from('filecache', 'f')
->join('f', 'mounts', 'm', $filesVersionSelect->expr()->eq('f.storage', 'm.storage_id'))
->where($filesVersionSelect->expr()->like('f.path', $deleteQuery->createNamedParameter('files/%', IQueryBuilder::PARAM_STR)))
->andWhere($filesVersionSelect->expr()->eq('m.user_id', $deleteQuery->createNamedParameter($userId, IQueryBuilder::PARAM_STR)))
->andWhere($filesVersionSelect->expr()->eq('m.mount_point', $deleteQuery->createNamedParameter("/$userId/", IQueryBuilder::PARAM_STR)));
$deleteQuery->delete($this->getTableName())
->where($deleteQuery->expr()->in('file_id', $deleteQuery->createFunction($filesVersionSelect->getSQL()), IQueryBuilder::PARAM_INT_ARRAY));
return $deleteQuery->executeStatement();
}
}