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- <?php
- /**
- * @copyright Copyright (c) 2016, ownCloud, Inc.
- *
- * @author Bernhard Posselt <dev@bernhard-posselt.com>
- * @author Bernhard Reiter <ockham@raz.or.at>
- * @author Christoph Wurst <christoph@winzerhof-wurst.at>
- * @author Morris Jobke <hey@morrisjobke.de>
- * @author Roeland Jago Douma <roeland@famdouma.nl>
- *
- * @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 OC\Tagging;
- use OCP\AppFramework\Db\DoesNotExistException;
- use OCP\AppFramework\Db\QBMapper;
- use OCP\IDBConnection;
- use OCP\DB\QueryBuilder\IQueryBuilder;
- /**
- * Mapper for Tag entity
- *
- * @template-extends QBMapper<Tag>
- */
- class TagMapper extends QBMapper {
- /**
- * Constructor.
- *
- * @param IDBConnection $db Instance of the Db abstraction layer.
- */
- public function __construct(IDBConnection $db) {
- parent::__construct($db, 'vcategory', Tag::class);
- }
- /**
- * Load tags from the database.
- *
- * @param array $owners The user(s) whose tags we are going to load.
- * @param string $type The type of item for which we are loading tags.
- * @return array An array of Tag objects.
- */
- public function loadTags(array $owners, string $type): array {
- $qb = $this->db->getQueryBuilder();
- $qb->select(['id', 'uid', 'type', 'category'])
- ->from($this->getTableName())
- ->where($qb->expr()->in('uid', $qb->createNamedParameter($owners, IQueryBuilder::PARAM_STR_ARRAY)))
- ->andWhere($qb->expr()->eq('type', $qb->createNamedParameter($type, IQueryBuilder::PARAM_STR)))
- ->orderBy('category');
- return $this->findEntities($qb);
- }
- /**
- * Check if a given Tag object already exists in the database.
- *
- * @param Tag $tag The tag to look for in the database.
- */
- public function tagExists(Tag $tag): bool {
- $qb = $this->db->getQueryBuilder();
- $qb->select(['id', 'uid', 'type', 'category'])
- ->from($this->getTableName())
- ->where($qb->expr()->eq('uid', $qb->createNamedParameter($tag->getOwner(), IQueryBuilder::PARAM_STR)))
- ->andWhere($qb->expr()->eq('type', $qb->createNamedParameter($tag->getType(), IQueryBuilder::PARAM_STR)))
- ->andWhere($qb->expr()->eq('category', $qb->createNamedParameter($tag->getName(), IQueryBuilder::PARAM_STR)));
- try {
- $this->findEntity($qb);
- } catch (DoesNotExistException $e) {
- return false;
- }
- return true;
- }
- }
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