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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2023 Marcel Klehr <mklehr@gmx.net>
*
* @author Marcel Klehr <mklehr@gmx.net>
*
* @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 OC\TextToImage\Db;
use OCP\AppFramework\Db\DoesNotExistException;
use OCP\AppFramework\Db\Entity;
use OCP\AppFramework\Db\MultipleObjectsReturnedException;
use OCP\AppFramework\Db\QBMapper;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\DB\Exception;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
/**
* @extends QBMapper<Task>
*/
class TaskMapper extends QBMapper {
public function __construct(
IDBConnection $db,
private ITimeFactory $timeFactory,
) {
parent::__construct($db, 'text2image_tasks', Task::class);
}
/**
* @param int $id
* @return Task
* @throws Exception
* @throws DoesNotExistException
* @throws MultipleObjectsReturnedException
*/
public function find(int $id): Task {
$qb = $this->db->getQueryBuilder();
$qb->select(Task::$columns)
->from($this->tableName)
->where($qb->expr()->eq('id', $qb->createPositionalParameter($id)));
return $this->findEntity($qb);
}
/**
* @param int $id
* @param string|null $userId
* @return Task
* @throws DoesNotExistException
* @throws Exception
* @throws MultipleObjectsReturnedException
*/
public function findByIdAndUser(int $id, ?string $userId): Task {
$qb = $this->db->getQueryBuilder();
$qb->select(Task::$columns)
->from($this->tableName)
->where($qb->expr()->eq('id', $qb->createPositionalParameter($id)));
if ($userId === null) {
$qb->andWhere($qb->expr()->isNull('user_id'));
} else {
$qb->andWhere($qb->expr()->eq('user_id', $qb->createPositionalParameter($userId)));
}
return $this->findEntity($qb);
}
/**
* @param string $userId
* @param string $appId
* @param string|null $identifier
* @return array
* @throws Exception
*/
public function findUserTasksByApp(?string $userId, string $appId, ?string $identifier = null): array {
$qb = $this->db->getQueryBuilder();
$qb->select(Task::$columns)
->from($this->tableName)
->where($qb->expr()->eq('user_id', $qb->createPositionalParameter($userId)))
->andWhere($qb->expr()->eq('app_id', $qb->createPositionalParameter($appId)));
if ($identifier !== null) {
$qb->andWhere($qb->expr()->eq('identifier', $qb->createPositionalParameter($identifier)));
}
return $this->findEntities($qb);
}
/**
* @param int $timeout
* @return Task[] the deleted tasks
* @throws Exception
*/
public function deleteOlderThan(int $timeout): array {
$datetime = $this->timeFactory->getDateTime();
$datetime->sub(new \DateInterval('PT'.$timeout.'S'));
$qb = $this->db->getQueryBuilder();
$qb->select('*')
->from($this->tableName)
->where($qb->expr()->lt('last_updated', $qb->createPositionalParameter($datetime, IQueryBuilder::PARAM_DATE)));
$deletedTasks = $this->findEntities($qb);
$qb = $this->db->getQueryBuilder();
$qb->delete($this->tableName)
->where($qb->expr()->lt('last_updated', $qb->createPositionalParameter($datetime, IQueryBuilder::PARAM_DATE)));
$qb->executeStatement();
return $deletedTasks;
}
public function update(Entity $entity): Entity {
$entity->setLastUpdated($this->timeFactory->getDateTime());
return parent::update($entity);
}
}
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