app/Middleware/CheckForMaintenanceMiddleware.php
<?php
namespace App\Middleware;
use App\Exceptions\UnderMaintenanceException;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Server\RequestHandlerInterface as RequestHandler;
class CheckForMaintenanceMiddleware extends Middleware
{
/**
* @param Request $request
* @param RequestHandler $handler
*
* @throws UnderMaintenanceException
*
* @return Response
*/
public function __invoke(Request $request, RequestHandler $handler): Response
{
if ($this->config['maintenance'] && !$this->database->query('SELECT `id`, `is_admin` FROM `users` WHERE `id` = ? LIMIT 1', [$this->session->get('user_id')])->fetch()->is_admin) {
throw new UnderMaintenanceException($request);
}
return $handler->handle($request);
}
}