vendor/sylius/sylius/src/Sylius/Bundle/AdminBundle/EventListener/ResourceDeleteSubscriber.php line 48

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  1. <?php
  3. /*
  4.  * This file is part of the Sylius package.
  5.  *
  6.  * (c) Paweł Jędrzejewski
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. declare(strict_types=1);
  14. namespace Sylius\Bundle\AdminBundle\EventListener;
  16. use Doctrine\DBAL\Exception\ForeignKeyConstraintViolationException;
  17. use Sylius\Component\Resource\ResourceActions;
  18. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  19. use Symfony\Component\HttpFoundation\RedirectResponse;
  20. use Symfony\Component\HttpFoundation\Request;
  21. use Symfony\Component\HttpFoundation\Session\Flash\FlashBagInterface;
  22. use Symfony\Component\HttpFoundation\Session\SessionInterface;
  23. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  24. use Symfony\Component\HttpKernel\KernelEvents;
  25. use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
  27. final class ResourceDeleteSubscriber implements EventSubscriberInterface
  28. {
  29.     /** @var UrlGeneratorInterface */
  30.     private $router;
  32.     /** @var SessionInterface */
  33.     private $session;
  35.     public function __construct(UrlGeneratorInterface $router, SessionInterface $session)
  36.     {
  37.         $this->router = $router;
  38.         $this->session = $session;
  39.     }
  41.     public static function getSubscribedEvents(): array
  42.     {
  43.         return [
  44.             KernelEvents::EXCEPTION => 'onResourceDelete',
  45.         ];
  46.     }
  48.     public function onResourceDelete(ExceptionEvent $event): void
  49.     {
  50.         $exception = $event->getThrowable();
  51.         if (!$exception instanceof ForeignKeyConstraintViolationException) {
  52.             return;
  53.         }
  55.         if (!$event->isMasterRequest() || 'html' !== $event->getRequest()->getRequestFormat()) {
  56.             return;
  57.         }
  59.         $eventRequest = $event->getRequest();
  60.         $requestAttributes = $eventRequest->attributes;
  61.         $originalRoute = $requestAttributes->get('_route');
  63.         if (!$this->isMethodDelete($eventRequest) ||
  64.             !$this->isSyliusRoute($originalRoute) ||
  65.             !$this->isAdminSection($requestAttributes->get('_sylius', []))
  66.         ) {
  67.             return;
  68.         }
  70.         $resourceName = $this->getResourceNameFromRoute($originalRoute);
  72.         if (null === $requestAttributes->get('_controller')) {
  73.             return;
  74.         }
  76.         /** @var FlashBagInterface $flashBag */
  77.         $flashBag = $this->session->getBag('flashes');
  78.         $flashBag->add('error', [
  79.             'message' => 'sylius.resource.delete_error',
  80.             'parameters' => ['%resource%' => $resourceName],
  81.         ]);
  83.         $referrer = $eventRequest->headers->get('referer');
  84.         if (null !== $referrer) {
  85.             $event->setResponse(new RedirectResponse($referrer));
  87.             return;
  88.         }
  90.         $event->setResponse($this->createRedirectResponse($originalRoute, ResourceActions::INDEX));
  91.     }
  93.     private function getResourceNameFromRoute(string $route): string
  94.     {
  95.         $route = str_replace('_bulk', '', $route);
  96.         $routeArray = explode('_', $route);
  97.         $routeArrayWithoutAction = array_slice($routeArray, 0, count($routeArray) - 1);
  98.         $routeArrayWithoutPrefixes = array_slice($routeArrayWithoutAction, 2);
  100.         return trim(implode(' ', $routeArrayWithoutPrefixes));
  101.     }
  103.     private function createRedirectResponse(string $originalRoute, string $targetAction): RedirectResponse
  104.     {
  105.         $redirectRoute = str_replace(ResourceActions::DELETE, $targetAction, $originalRoute);
  107.         return new RedirectResponse($this->router->generate($redirectRoute));
  108.     }
  110.     private function isMethodDelete(Request $request): bool
  111.     {
  112.         return Request::METHOD_DELETE === $request->getMethod();
  113.     }
  115.     private function isSyliusRoute(string $route): bool
  116.     {
  117.         return 0 === strpos($route, 'sylius');
  118.     }
  120.     private function isAdminSection(array $syliusParameters): bool
  121.     {
  122.         return array_key_exists('section', $syliusParameters) && 'admin' === $syliusParameters['section'];
  123.     }
  124. }