custom/plugins/LoyxxSeminar/src/Subscriber/LineItemEventSubscriber.php line 93

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  1. <?php declare(strict_types=1);
  3. namespace LoyxxSeminar\Subscriber;
  5. use LoyxxSeminar\Core\Checkout\Cart\Participant\ParticipantCollection;
  6. use LoyxxSeminar\Core\Checkout\Cart\Participant\ParticipantService;
  7. use LoyxxSeminar\LoyxxSeminar;
  8. use Shopware\Core\Checkout\Cart\Event\BeforeLineItemAddedEvent;
  9. use Shopware\Core\Checkout\Cart\Event\BeforeLineItemQuantityChangedEvent;
  10. use Shopware\Core\Checkout\Cart\Event\BeforeLineItemRemovedEvent;
  11. use Shopware\Core\Checkout\Cart\Event\LineItemAddedEvent;
  12. use Shopware\Core\Checkout\Cart\Event\LineItemQuantityChangedEvent;
  13. use Shopware\Core\Checkout\Cart\Event\LineItemRemovedEvent;
  14. use Shopware\Core\Checkout\Cart\LineItem\LineItem;
  15. use Shopware\Core\Content\Product\SalesChannel\SalesChannelProductEntity;
  16. use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
  17. use Shopware\Core\System\SalesChannel\Entity\SalesChannelRepositoryInterface;
  18. use Shopware\Storefront\Event\StorefrontRenderEvent;
  19. use Symfony\Component\EventDispatcher\EventDispatcher;
  20. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  22. class LineItemEventSubscriber implements EventSubscriberInterface
  23. {
  24.     /**
  25.      * @var ParticipantService
  26.      */
  27.     protected $participantService;
  28.     /**
  29.      * @var SalesChannelRepositoryInterface
  30.      */
  31.     private $productRepository;
  34.     public function __construct(
  35.         ParticipantService $participantService,
  36.         SalesChannelRepositoryInterface $productRepository
  37.     ) {
  38.         $this->participantService = $participantService;
  39.         $this->productRepository = $productRepository;
  40.     }
  43.     public static function getSubscribedEvents(): array
  44.     {
  45.         return [
  46.             BeforeLineItemAddedEvent::class => 'onLineItemAdded',
  47.             BeforeLineItemQuantityChangedEvent::class => 'onLineItemQuantityChanged',
  48.             BeforeLineItemRemovedEvent::class => 'onLineItemRemoved'
  49.         ];
  50.     }
  52.     public function onLineItemAdded(BeforeLineItemAddedEvent $event)
  53.     {
  55.         $lineItem = $event->getLineItem();
  56.         if ($lineItem->getType() === LineItem::PRODUCT_LINE_ITEM_TYPE){ // do not process participant service for other product types
  57.             $criteria = new Criteria([$lineItem->getReferencedId()]);
  58.             $criteria->setLimit(1);
  59.             /** @var SalesChannelProductEntity $product */
  60.             $product = $this->productRepository->search($criteria, $event->getSalesChannelContext())->getEntities()->first();
  61.             
  62.             if ($product){
  63.                 $customFields = $product->getCustomFields();
  64.                 if (isset($customFields[LoyxxSeminar::PRODUCT_CUSTOM_FIELD_SEMINAR]) &&
  65.                     $customFields[LoyxxSeminar::PRODUCT_CUSTOM_FIELD_SEMINAR]) {
  66.                 // Check if line item already exists for product
  67.                 // this happens when same product is added to cart twice
  68.                 // line item passed to event will be new, but we need to use existing line item if available
  69.                 // quantity of new line item passed will be 1 but actual quantity is in existing line item
  70.                 $lineItem = $event->getCart()->getLineItems()->get($lineItem->getId()) ?? $lineItem;
  71.                 $this->participantService->syncParticipantsAndLineItemQuantity(
  72.                     $event->getCart(),
  73.                     $lineItem,
  74.                     $event->getSalesChannelContext()
  75.                 );
  76.             }
  77.             }
  78.         }
  79.     }
  81.     public function onLineItemQuantityChanged(BeforeLineItemQuantityChangedEvent $event)
  82.     {
  83.         $lineItem = $event->getLineItem();
  84.         if ($lineItem->hasExtension(ParticipantCollection::PARTICIPANT_EXTENSION_NAME)) {
  85.             $this->participantService->syncParticipantsAndLineItemQuantity(
  86.                 $event->getCart(),
  87.                 $lineItem,
  88.                 $event->getSalesChannelContext()
  89.             );
  90.         }
  91.     }
  93.     public function onLineItemRemoved(BeforeLineItemRemovedEvent $event)
  94.     {
  95.         $lineItem = $event->getLineItem();
  96.         if ($lineItem->hasExtension(ParticipantCollection::PARTICIPANT_EXTENSION_NAME)) {
  97.             $lineItem->removeExtension(ParticipantCollection::PARTICIPANT_EXTENSION_NAME);
  98.         }
  99.     }
  100. }