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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
namespace OC\TaskProcessing\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, 'taskprocessing_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 string|null $taskType
* @return Task
* @throws DoesNotExistException
* @throws Exception
*/
public function findOldestScheduledByType(?string $taskType): Task {
$qb = $this->db->getQueryBuilder();
$qb->select(Task::$columns)
->from($this->tableName)
->where($qb->expr()->eq('status', $qb->createPositionalParameter(\OCP\TaskProcessing\Task::STATUS_SCHEDULED, IQueryBuilder::PARAM_INT)))
->setMaxResults(1)
->orderBy('last_updated', 'ASC');
if ($taskType !== null) {
$qb->andWhere($qb->expr()->eq('type', $qb->createPositionalParameter($taskType)));
}
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|null $userId
* @param string|null $taskType
* @param string|null $customId
* @return list<Task>
* @throws Exception
*/
public function findByUserAndTaskType(?string $userId, ?string $taskType = null, ?string $customId = null): array {
$qb = $this->db->getQueryBuilder();
$qb->select(Task::$columns)
->from($this->tableName)
->where($qb->expr()->eq('user_id', $qb->createPositionalParameter($userId)));
if ($taskType !== null) {
$qb->andWhere($qb->expr()->eq('type', $qb->createPositionalParameter($taskType)));
}
if ($customId !== null) {
$qb->andWhere($qb->expr()->eq('custom_id', $qb->createPositionalParameter($customId)));
}
return array_values($this->findEntities($qb));
}
/**
* @param string $userId
* @param string $appId
* @param string|null $customId
* @return list<Task>
* @throws Exception
*/
public function findUserTasksByApp(?string $userId, string $appId, ?string $customId = 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 ($customId !== null) {
$qb->andWhere($qb->expr()->eq('custom_id', $qb->createPositionalParameter($customId)));
}
return array_values($this->findEntities($qb));
}
/**
* @param int $timeout
* @return int the number of deleted tasks
* @throws Exception
*/
public function deleteOlderThan(int $timeout): int {
$qb = $this->db->getQueryBuilder();
$qb->delete($this->tableName)
->where($qb->expr()->lt('last_updated', $qb->createPositionalParameter($this->timeFactory->getDateTime()->getTimestamp() - $timeout)));
return $qb->executeStatement();
}
public function update(Entity $entity): Entity {
$entity->setLastUpdated($this->timeFactory->now()->getTimestamp());
return parent::update($entity);
}
}
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