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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2023 Côme Chilliet <come.chilliet@nextcloud.com>
*
* @author Côme Chilliet <come.chilliet@nextcloud.com>
*
* @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\Settings\SetupChecks;
use Doctrine\DBAL\Exception;
use Doctrine\DBAL\TransactionIsolationLevel;
use OC\DB\Connection;
use OCP\IDBConnection;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\SetupCheck\ISetupCheck;
use OCP\SetupCheck\SetupResult;
class TransactionIsolation implements ISetupCheck {
public function __construct(
private IL10N $l10n,
private IURLGenerator $urlGenerator,
private IDBConnection $connection,
private Connection $db,
) {
}
public function getName(): string {
return $this->l10n->t('Database transaction isolation level');
}
public function getCategory(): string {
return 'database';
}
public function run(): SetupResult {
try {
if ($this->connection->getDatabaseProvider() === IDBConnection::PLATFORM_SQLITE) {
return SetupResult::success();
}
if ($this->db->getTransactionIsolation() === TransactionIsolationLevel::READ_COMMITTED) {
return SetupResult::success('Read committed');
} else {
return SetupResult::error(
$this->l10n->t('Your database does not run with "READ COMMITTED" transaction isolation level. This can cause problems when multiple actions are executed in parallel.'),
$this->urlGenerator->linkToDocs('admin-db-transaction')
);
}
} catch (Exception $e) {
return SetupResult::warning(
$this->l10n->t('Was not able to get transaction isolation level: %s', $e->getMessage())
);
}
}
}
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