custom/plugins/dkcProductoptions/src/Subscriber/CartPriceSubscriber.php line 72

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  1. <?php declare(strict_types=1);
  3. namespace Dkc\Productoptions\Subscriber;
  5. use Shopware\Core\Checkout\Cart\Event\BeforeLineItemAddedEvent;
  6. use Shopware\Core\Checkout\Cart\Event\CartChangedEvent;
  7. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  8. use Shopware\Core\Checkout\Cart\Price\QuantityPriceCalculator;
  9. use Shopware\Core\Checkout\Cart\Price\Struct\QuantityPriceDefinition;
  10. use Symfony\Component\HttpFoundation\RequestStack;
  12. class CartPriceSubscriber implements EventSubscriberInterface
  13. {
  14.     private QuantityPriceCalculator $priceCalculator;
  15.     private RequestStack $requestStack;
  17.     public function __construct(
  18.         QuantityPriceCalculator $priceCalculator,
  19.         RequestStack $requestStack
  20.     ) {
  21.         $this->priceCalculator = $priceCalculator;
  22.         $this->requestStack = $requestStack;
  23.     }
  25.     public static function getSubscribedEvents(): array
  26.     {
  27.         return [
  28.             BeforeLineItemAddedEvent::class => ['onBeforeLineItemAdded', 9999],
  29.             CartChangedEvent::class       => ['onCartChanged', 9999],
  30.         ];
  31.     }
  33.     public function onBeforeLineItemAdded(BeforeLineItemAddedEvent $event): void
  34.     {
  35.         $lineItem = $event->getLineItem();
  36.         $lineItemId = $lineItem->getId();
  38.         $request = $this->requestStack->getCurrentRequest();
  39.         if (!$request) {
  40.             return;
  41.         }
  42.         
  43.         $allParams = $request->request->all();
  44.         
  45.         if (
  46.             isset($allParams['lineItems']) &&
  47.             isset($allParams['lineItems'][$lineItemId]) &&
  48.             isset($allParams['lineItems'][$lineItemId]['payload']) &&
  49.             isset($allParams['lineItems'][$lineItemId]['payload']['dkc_product_options'])
  50.         ) {
  51.             $options = $allParams['lineItems'][$lineItemId]['payload']['dkc_product_options'];
  52.             $price = $allParams['lineItems'][$lineItemId]['payload']['dkc_product_options_price'] ?? 0;
  53.             $labels = $allParams['lineItems'][$lineItemId]['payload']['dkc_product_options_labels'] ?? null;
  55.             if (is_string($options)) {
  56.                 $options = json_decode($options, true);
  57.             }
  58.             
  59.             if (is_string($labels)) {
  60.                 $labels = json_decode($labels, true);
  61.             }
  62.             
  63.             $lineItem->setPayloadValue('dkc_product_options', $options);
  64.             $lineItem->setPayloadValue('dkc_product_options_price', (float)$price);
  65.             
  66.             if ($labels) {
  67.                 $lineItem->setPayloadValue('dkc_product_options_labels', $labels);
  68.             }
  69.         }
  70.     }
  72.     public function onCartChanged(CartChangedEvent $event): void
  73.     {
  74.         $cart = $event->getCart();
  76.         foreach ($cart->getLineItems() as $lineItem) {
  77.             if (
  78.                 !$lineItem->hasPayloadValue('dkc_product_options') ||
  79.                 !$lineItem->hasPayloadValue('dkc_product_options_price')
  80.             ) {
  81.                 continue;
  82.             }
  83.             
  84.             $optionPrice = (float)$lineItem->getPayloadValue('dkc_product_options_price');
  85.             $originalPrice = $lineItem->getPrice();
  86.             
  87.             if ($optionPrice <= 0 || !$originalPrice) {
  88.                 continue;
  89.             }
  90.             
  91.             $taxRules = $originalPrice->getTaxRules();
  92.             $unitPrice = $originalPrice->getUnitPrice() + $optionPrice;
  93.             $quantity = $lineItem->getQuantity();
  94.             
  95.             $priceDefinition = new QuantityPriceDefinition(
  96.                 $unitPrice,
  97.                 $taxRules,
  98.                 $quantity
  99.             );
  100.             
  101.             $newPrice = $this->priceCalculator->calculate($priceDefinition, $event->getContext());
  102.             $lineItem->setPrice($newPrice);
  103.         }
  104.     }
  105. }