custom/plugins/NxsCoreFixes/src/Communication/Subscriber/CartSubscriber.php line 67

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  1. <?php declare(strict_types=1);
  4. namespace Nxs\NxsCoreFixes\Communication\Subscriber;
  7. use Shopware\Core\Checkout\Cart\Cart;
  8. use Shopware\Core\Checkout\Cart\LineItem\LineItem;
  9. use Shopware\Core\Checkout\Cart\SalesChannel\CartService;
  10. use Shopware\Core\Checkout\Promotion\Cart\Error\PromotionNotFoundError;
  11. use Shopware\Core\Checkout\Promotion\Cart\Extension\CartExtension;
  12. use Shopware\Storefront\Page\Checkout\Cart\CheckoutCartPageLoadedEvent;
  13. use Shopware\Storefront\Page\Checkout\Confirm\CheckoutConfirmPageLoadedEvent;
  14. use Shopware\Storefront\Page\Checkout\Offcanvas\OffcanvasCartPageLoadedEvent;
  15. use Shopware\Storefront\Page\PageLoadedEvent;
  16. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  18. class CartSubscriber implements EventSubscriberInterface
  19. {
  20.     /**
  21.      * @var $cartService
  22.      */
  23.     private $cartService;
  26.     public function __construct(CartService $cartService)
  27.     {
  28.         $this->cartService = $cartService;
  29.     }
  31.     public static function getSubscribedEvents()
  32.     {
  33.         return [
  34.             OffcanvasCartPageLoadedEvent::class => 'onOffcanvasCartPageLoaded',
  35.             CheckoutCartPageLoadedEvent::class => 'onCartPageLoaded',
  36.             CheckoutConfirmPageLoadedEvent::class => 'onConfirmPageLoaded'
  37.         ];
  38.     }
  40.     public function onOffcanvasCartPageLoaded(OffcanvasCartPageLoadedEvent $event)
  41.     {
  42.         $page = $event->getPage();
  43.         $lineItems = $page->getCart()->getLineItems();
  44.         $promotions = 0;
  45.         foreach ($lineItems as $lineItem)
  46.         {
  47.             if($lineItem->getType() === LineItem::PROMOTION_LINE_ITEM_TYPE)
  48.             {
  49.                 $promotions++;
  50.             }
  51.         }
  52.         $productCount = count($lineItems) - $promotions;
  53.         $page->assign(['promotionCount' => $promotions, 'productCount' => $productCount]);
  54.     }
  56.     /**
  57.      * @param CheckoutCartPageLoadedEvent $event
  58.      */
  59.     public function onCartPageLoaded(CheckoutCartPageLoadedEvent $event):void
  60.     {
  61.         $this->removeUnmatchingPromotionCode($event);
  62.     }
  64.     /**
  65.      * @param CheckoutConfirmPageLoadedEvent $event
  66.      */
  67.     public function onConfirmPageLoaded(CheckoutConfirmPageLoadedEvent $event): void
  68.     {
  69.         $this->removeUnmatchingPromotionCode($event);
  70.     }
  73.     private function getExtension(Cart $cart): CartExtension
  74.     {
  75.         if (!$cart->hasExtension(CartExtension::KEY)) {
  76.             $cart->addExtension(CartExtension::KEY, new CartExtension());
  77.         }
  79.         /** @var CartExtension $extension */
  80.         $extension = $cart->getExtension(CartExtension::KEY);
  82.         return $extension;
  83.     }
  85.     /**
  86.      * @param PageLoadedEvent $event
  87.      */
  88.     private function removeUnmatchingPromotionCode(PageLoadedEvent $event): void
  89.     {
  90.         $page = $event->getPage();
  91.         $salesChannelContext = $event->getSalesChannelContext();
  92.         /** @var Cart $cart */
  93.         $cart = $page->getCart();
  95.         $errorFound = false;
  96.         $errors = $cart->getErrors();
  97.         foreach ($errors as $error) {
  98.             if ($error instanceof PromotionNotFoundError) {
  99.                 $code = $error->getCode();
  100.                 $extension = $this->getExtension($cart);
  101.                 $extension->removeCode($code);
  102.                 $errors->remove($error->getId());
  103.                 $cart->addExtension(CartExtension::KEY, $extension);
  104.                 $errorFound = true;
  105.             }
  106.         }
  107.         if($errorFound)
  108.         {
  109.             $cart->setErrors($errors);
  110.             $this->cartService->setCart($cart);
  111.             $this->cartService->recalculate($cart, $salesChannelContext);
  112.             $page->setCart($cart);
  113.         }
  114.     }
  116. }