src/Sylius/Bundle/CoreBundle/Checkout/CheckoutResolver.php line 52

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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\CoreBundle\Checkout;
  16. use SM\Factory\FactoryInterface;
  17. use Sylius\Component\Core\Model\OrderInterface;
  18. use Sylius\Component\Order\Context\CartContextInterface;
  19. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  20. use Symfony\Component\HttpFoundation\RedirectResponse;
  21. use Symfony\Component\HttpFoundation\Request;
  22. use Symfony\Component\HttpFoundation\RequestMatcherInterface;
  23. use Symfony\Component\HttpKernel\Event\GetResponseEvent;
  24. use Symfony\Component\HttpKernel\KernelEvents;
  26. final class CheckoutResolver implements EventSubscriberInterface
  27. {
  28.     /** @var CartContextInterface */
  29.     private $cartContext;
  31.     /** @var CheckoutStateUrlGeneratorInterface */
  32.     private $urlGenerator;
  34.     /** @var RequestMatcherInterface */
  35.     private $requestMatcher;
  37.     /** @var FactoryInterface */
  38.     private $stateMachineFactory;
  40.     public function __construct(
  41.         CartContextInterface $cartContext,
  42.         CheckoutStateUrlGeneratorInterface $urlGenerator,
  43.         RequestMatcherInterface $requestMatcher,
  44.         FactoryInterface $stateMachineFactory
  45.     ) {
  46.         $this->cartContext = $cartContext;
  47.         $this->urlGenerator = $urlGenerator;
  48.         $this->requestMatcher = $requestMatcher;
  49.         $this->stateMachineFactory = $stateMachineFactory;
  50.     }
  52.     public function onKernelRequest(GetResponseEvent $event): void
  53.     {
  54.         if (!$event->isMasterRequest()) {
  55.             return;
  56.         }
  58.         $request = $event->getRequest();
  60.         if (!$this->requestMatcher->matches($request)) {
  61.             return;
  62.         }
  64.         /** @var OrderInterface $order */
  65.         $order = $this->cartContext->getCart();
  66.         if ($order->isEmpty()) {
  67.             $event->setResponse(new RedirectResponse($this->urlGenerator->generateForCart()));
  68.         }
  70.         $stateMachine = $this->stateMachineFactory->get($order, $this->getRequestedGraph($request));
  72.         if ($stateMachine->can($this->getRequestedTransition($request))) {
  73.             return;
  74.         }
  76.         $event->setResponse(new RedirectResponse($this->urlGenerator->generateForOrderCheckoutState($order)));
  77.     }
  79.     /**
  80.      * {@inheritdoc}
  81.      */
  82.     public static function getSubscribedEvents(): array
  83.     {
  84.         return [
  85.             KernelEvents::REQUEST => 'onKernelRequest',
  86.         ];
  87.     }
  89.     private function getRequestedGraph(Request $request): string
  90.     {
  91.         return $request->attributes->get('_sylius')['state_machine']['graph'];
  92.     }
  94.     private function getRequestedTransition(Request $request): string
  95.     {
  96.         return $request->attributes->get('_sylius')['state_machine']['transition'];
  97.     }
  98. }