custom/plugins/EconsorAtBitConfiguratorConnector/src/Subscriber/AtBitCartMergeFix.php line 42

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  1. <?php declare(strict_types=1);
  3. namespace Econsor\Shopware\AtBitConfiguratorConnector\Subscriber;
  5. use Econsor\Shopware\AtBitConfiguratorConnector\AtBitSessionKeys;
  6. use Econsor\Shopware\AtBitConfiguratorConnector\Services\AtBitPriceCalculator;
  7. use Shopware\Core\Checkout\Cart\LineItem\LineItem;
  8. use Shopware\Core\Checkout\Cart\SalesChannel\CartService;
  9. use Shopware\Core\Framework\Struct\ArrayStruct;
  10. use Shopware\Core\System\SalesChannel\Event\SalesChannelContextRestoredEvent;
  11. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  12. use Symfony\Component\HttpFoundation\Session\Session;
  14. /**
  15.  * Shopware's login cart-merge (SalesChannelContextRestorer::mergeCart) treats every
  16.  * stackable line item as mergeable regardless of whether it already exists in the
  17.  * customer's persisted cart, so if a configurator line item id is present in both the
  18.  * guest cart (re-injected from session on every calculation) and the customer's saved
  19.  * cart, its quantity gets summed again on login. This corrects the quantity back to
  20.  * what our own session bookkeeping considers canonical, right after the merge lands.
  21.  */
  22. class AtBitCartMergeFix implements EventSubscriberInterface
  23. {
  24.     private $session;
  25.     private $cartService;
  26.     private $priceCalculator;
  28.     public function __construct(Session $session, CartService $cartService, AtBitPriceCalculator $priceCalculator)
  29.     {
  30.         $this->session         = $session;
  31.         $this->cartService     = $cartService;
  32.         $this->priceCalculator = $priceCalculator;
  33.     }
  35.     public static function getSubscribedEvents(): array
  36.     {
  37.         return [
  38.             SalesChannelContextRestoredEvent::class => 'onContextRestored',
  39.         ];
  40.     }
  42.     public function onContextRestored(SalesChannelContextRestoredEvent $event): void
  43.     {
  44.         if (!$this->session->has(AtBitSessionKeys::CONFIGURATOR_PRODUCTS)) {
  45.             return;
  46.         }
  48.         $context = $event->getRestoredSalesChannelContext();
  49.         $products = $this->session->get(AtBitSessionKeys::CONFIGURATOR_PRODUCTS);
  50.         $cart = $this->cartService->getCart($context->getToken(), $context);
  52.         $fixed = false;
  54.         /** @var LineItem $sessionProduct */
  55.         foreach ($products as $id => $sessionProduct) {
  56.             $cartItem = $cart->get($id);
  57.             if (!$cartItem) {
  58.                 continue;
  59.             }
  61.             $expectedQuantity = $sessionProduct->getQuantity();
  62.             if ($cartItem->getQuantity() === $expectedQuantity) {
  63.                 continue;
  64.             }
  66.             /** @var ArrayStruct|null $extension */
  67.             $extension = $cartItem->getExtension('atbitConfiguration');
  68.             if (!$extension instanceof ArrayStruct) {
  69.                 continue;
  70.             }
  72.             $cartItem->setQuantity($expectedQuantity);
  73.             $cartItem->setPrice($this->priceCalculator->calculate(
  74.                 (float) $extension->get('GesamtpreisOhneMwSt'),
  75.                 (float) $extension->get('MwSt'),
  76.                 $expectedQuantity
  77.             ));
  79.             $fixed = true;
  80.         }
  82.         if ($fixed) {
  83.             $this->cartService->recalculate($cart, $context);
  84.         }
  85.     }
  86. }