custom/plugins/WbfkProductLinks/src/Subscriber/ProductSubscriber.php line 40

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  1. <?php
  2. declare(strict_types=1);
  4. namespace Wbfk\ProductLinks\Subscriber;
  6. use Shopware\Core\Framework\DataAbstractionLayer\EntityRepository;
  7. use Shopware\Core\Framework\DataAbstractionLayer\Search\Criteria;
  8. use Shopware\Core\Framework\DataAbstractionLayer\Search\Filter\EqualsFilter;
  9. use Shopware\Core\Framework\Struct\StructCollection;
  10. use Shopware\Storefront\Page\Product\ProductPageCriteriaEvent;
  11. use Shopware\Storefront\Page\Product\ProductPageLoadedEvent;
  12. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  14. class ProductSubscriber implements EventSubscriberInterface
  15. {
  17.     /**
  18.      * @var EntityRepository
  19.      */
  20.     private EntityRepository $productLinkRepository;
  22.     public function __construct(EntityRepository $productLinkRepository)
  23.     {
  24.         $this->productLinkRepository = $productLinkRepository;
  25.     }
  27.     public static function getSubscribedEvents(): array
  28.     {
  29.         return [
  30.             ProductPageCriteriaEvent::class => 'onProductCriteriaLoaded',
  31.             ProductPageLoadedEvent::class => 'loadProductPage',
  32.         ];
  33.     }
  35.     public function onProductCriteriaLoaded(ProductPageCriteriaEvent $event): void
  36.     {
  37.         $event->getCriteria()->addAssociation('wbfk_product_link');
  38.     }
  40.     public function loadProductPage(ProductPageLoadedEvent $event): void
  41.     {
  42.         // ToDo: This is a Fallback
  43.         // We can not set the product extension to "inherited".
  44.         // This would throw an error in the administration on saving a child product
  45.         // See: ProductExtension Definition
  46.         $product = $event->getPage()->getProduct();
  47.         $productLinks = $product->getExtension('wbfk_product_link');
  48.         $parentId = $product->getParentId();
  50.         if ($parentId && (!$productLinks || count($productLinks->getElements()) == 0)) {
  51.             $criteria = new Criteria();
  52.             $criteria->addFilter(new EqualsFilter('productId', $parentId));
  54.             $parentProductLinks = $this->productLinkRepository->search($criteria, $event->getContext())->getEntities();
  55.             if ($parentProductLinks->count() > 0) {
  56.                 $product->addExtension('wbfk_product_link', new StructCollection($parentProductLinks->getElements()));
  57.             }
  58.         }
  59.     }
  60. }