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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 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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