src/FMT/Domain/EventSubscriber/Cart/CartActionSubscriber.php line 40

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  1. <?php
  3. namespace FMT\Domain\EventSubscriber\Cart;
  5. use FMT\Domain\Event\CartActionEvent;
  6. use FMT\Domain\Exception\CartConfigurationException;
  7. use FMT\Domain\Service\CartProcessorInterface;
  8. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  10. /**
  11.  * Class CartActionSubscriber
  12.  * @package FMT\Domain\EventSubscriber\Cart
  13.  */
  14. class CartActionSubscriber implements EventSubscriberInterface
  15. {
  16.     /**
  17.      * @var CartProcessorInterface[]
  18.      */
  19.     private $processors = [];
  21.     public static function getSubscribedEvents()
  22.     {
  23.         // return the subscribed events, their methods and priorities
  24.         return [
  25.             CartActionEvent::ADD_PRODUCT => [
  26.                 ['recalculateOrder']
  27.             ],
  28.             CartActionEvent::REMOVE_PRODUCT => [
  29.                 ['recalculateOrder']
  30.             ],
  31.             CartActionEvent::ESTIMATE_CART => [
  32.                 ['recalculateOrder']
  33.             ],
  34.         ];
  35.     }
  37.     /**
  38.      * @param CartActionEvent $event
  39.      */
  40.     public function recalculateOrder(CartActionEvent $event)
  41.     {
  42.         foreach ($this->processors as $processor) {
  43.             $processor->process($event->getCart());
  44.         }
  45.     }
  47.     #region Internal
  49.     /**
  50.      * @internal
  51.      *
  52.      * @param CartProcessorInterface $processor
  53.      * @param string $alias
  54.      * @throws CartConfigurationException
  55.      */
  56.     public function addProcessor(CartProcessorInterface $processor, string $alias)
  57.     {
  58.         if (array_key_exists($alias, $this->processors)) {
  59.             throw new CartConfigurationException(sprintf('Multiple cart processors with alias "%s"', $alias));
  60.         }
  62.         $this->processors[] = $processor;
  63.     }
  65.     #endregion
  66. }