custom/plugins/CioFixDuplicateDiscounts/src/Subscriber/FixDuplicateDiscounts.php line 35

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  1. <?php declare(strict_types=1);
  4. namespace CioFixDuplicateDiscounts\Subscriber;
  6. use Shopware\Core\Checkout\Cart\LineItem\LineItem;
  7. use Shopware\Core\Checkout\Cart\LineItem\LineItemCollection;
  8. use Shopware\Core\Checkout\Order\Aggregate\OrderLineItem\OrderLineItemCollection;
  9. use Shopware\Storefront\Page\Account\Order\AccountOrderPageLoadedEvent;
  10. use Shopware\Storefront\Page\Checkout\Cart\CheckoutCartPageLoadedEvent;
  11. use Shopware\Storefront\Page\Checkout\Confirm\CheckoutConfirmPageLoadedEvent;
  12. use Shopware\Storefront\Page\Checkout\Finish\CheckoutFinishPageLoadedEvent;
  13. use Shopware\Storefront\Page\Checkout\Offcanvas\OffcanvasCartPageLoadedEvent;
  14. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. class FixDuplicateDiscounts implements EventSubscriberInterface
  17. {
  19.     public static function getSubscribedEvents(): array
  20.     {
  21.         return [
  22.             OffcanvasCartPageLoadedEvent::class => 'onCartEvents',
  23.             CheckoutCartPageLoadedEvent::class => 'onCartEvents',
  24.             CheckoutConfirmPageLoadedEvent::class => 'onCartEvents',
  25.             CheckoutFinishPageLoadedEvent::class => 'onOrderEvents',
  26.             AccountOrderPageLoadedEvent::class => 'onOrderEvents'
  27.         ];
  28.     }
  31.     /**
  32.      * @param OffcanvasCartPageLoadedEvent|CheckoutCartPageLoadedEvent|CheckoutConfirmPageLoadedEvent $event
  33.      * @return void
  34.      */
  35.     public function onCartEvents($event)
  36.     {
  37.         $this->removeDuplicateDiscount($event->getPage()->getCart()->getLineItems());
  38.     }
  40.     /**
  41.      * @param CheckoutFinishPageLoadedEvent|AccountOrderPageLoadedEvent $event
  42.      * @return void
  43.      */
  44.     public function onOrderEvents($event)
  45.     {
  47.         if ($event instanceof AccountOrderPageLoadedEvent) {
  48.             foreach ($event->getPage()->getOrders() as $order) {
  49.                 $this->removeDuplicateDiscount($order->getLineItems());
  50.             }
  51.         } else {
  53.             $this->removeDuplicateDiscount($event->getPage()->getOrder()->getLineItems());
  54.         }
  55.     }
  57.     /**
  58.      * @param LineItemCollection|OrderLineItemCollection $lineItemCollection
  59.      * @return void
  60.      */
  61.     public function removeDuplicateDiscount($lineItemCollection)
  62.     {
  63.         $voucherItems = [];
  64.         $labels = [];
  65.         foreach ($lineItemCollection as $lineItem) {
  66.             if ($lineItem->getType() == LineItem::PROMOTION_LINE_ITEM_TYPE) {
  67.                 $voucherItems[] =
  68.                     [
  69.                         'id' => $lineItem->getId(),
  70.                         'label' => $lineItem->getLabel(),
  71.                         'price' => $lineItem->getPrice()->getUnitPrice()
  72.                     ];
  73.                 $labels[] = $lineItem->getLabel();
  74.             }
  75.         }
  77.         $idsToRemove = [];
  78.         foreach ($voucherItems as $voucherItem) {
  79.             if ($voucherItem['price'] == 0) {
  80.                 if (in_array($voucherItem['label'], $labels))
  81.                     $idsToRemove[] = $voucherItem['id'];
  82.             }
  83.         }
  85.         foreach ($idsToRemove as $id) {
  86.             $lineItemCollection->remove($id);
  87.         }
  88.     }
  89. }