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<?php declare(strict_types=1);
namespace Acris\DiscountGroup\Storefront\Subscriber;
use Acris\DiscountGroup\Components\DiscountGroupGateway;
use Acris\DiscountGroup\Components\DiscountGroupService;
use Acris\DiscountGroup\Components\Struct\LineItemDiscountGroupData;
use Acris\DiscountGroup\Custom\DiscountGroupEntity;
use Shopware\Core\Checkout\Cart\Cart;
use Shopware\Core\Checkout\Cart\LineItem\LineItem;
use Shopware\Core\Checkout\Cart\SalesChannel\CartService;
use Shopware\Core\Content\Product\SalesChannel\SalesChannelProductEntity;
use Shopware\Core\Framework\Struct\ArrayEntity;
use Shopware\Core\System\SalesChannel\SalesChannelContext;
use Shopware\Core\System\SystemConfig\SystemConfigService;
use Shopware\Storefront\Page\Product\ProductPageLoadedEvent;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
class DiscountGroupSubscriber implements EventSubscriberInterface
{
private CartService $cartService;
private DiscountGroupGateway $discountGroupGateway;
private SystemConfigService $systemConfigService;
public function __construct(
CartService $cartService,
DiscountGroupGateway $discountGroupGateway,
SystemConfigService $systemConfigService
) {
$this->cartService = $cartService;
$this->discountGroupGateway = $discountGroupGateway;
$this->systemConfigService = $systemConfigService;
}
public static function getSubscribedEvents(): array
{
return [
ProductPageLoadedEvent::class => 'onProductPageLoaded'
];
}
public function onProductPageLoaded(ProductPageLoadedEvent $event): void
{
$salesChannelContext = $event->getSalesChannelContext();
if ($this->systemConfigService->get('AcrisDiscountGroupCS.config.activateAcrossScaleDiscounts', $salesChannelContext->getSalesChannel()->getId()) !== true || $this->systemConfigService->get('AcrisDiscountGroupCS.config.showCartQuantityInfoDetail', $salesChannelContext->getSalesChannel()->getId()) !== 'aboveScalePrices') {
return;
}
$product = $event->getPage()->getProduct();
$cart = $this->cartService->getCart($event->getSalesChannelContext()->getToken(), $event->getSalesChannelContext());
$lineItem = $cart->getLineItems()->filter(function(LineItem $item) use ($product) {
return $item->getReferencedId() === $product->getId();
})->first();
if (empty($lineItem) || !$lineItem instanceof LineItem) {
$lineItem = $this->loadLineItemWithSameDiscountGroup($cart, $product, $salesChannelContext);
}
if (empty($lineItem) || !$lineItem instanceof LineItem) {
return;
}
list($id, $name, $quantity) = $this->loadDiscountGroupDataFromPayload($lineItem->getPayload());
if (!is_int($quantity)) {
return;
}
$discountGroupData = new LineItemDiscountGroupData($id, $name, $quantity);
$product->addExtension('acrisDiscountGroupLineItemData', $discountGroupData);
}
private function loadDiscountGroupDataFromPayload(?array $payload): array
{
$id = null;
$name = null;
$quantity = null;
if (empty($payload) || !is_array($payload)) {
return [$id, $name, $quantity];
}
if (array_key_exists('discountGroupScalePriceId', $payload)) {
$id = $payload['discountGroupScalePriceId'];
}
if (array_key_exists('discountGroupScalePriceDisplayName', $payload)) {
$name = $payload['discountGroupScalePriceDisplayName'];
}
if (array_key_exists('discountGroupScalePriceQuantity', $payload)) {
$quantity = $payload['discountGroupScalePriceQuantity'];
}
return [$id, $name, $quantity];
}
private function loadLineItemWithSameDiscountGroup(Cart $cart, SalesChannelProductEntity $product, SalesChannelContext $salesChannelContext): ?LineItem
{
if ($cart->getLineItems()->count() === 0) {
return null;
}
if ($product->hasExtension(DiscountGroupService::ACRIS_STREAM_IDS_EXTENSION) && !empty($product->getExtension(DiscountGroupService::ACRIS_STREAM_IDS_EXTENSION))) {
$productStreamIds = $product->getExtension(DiscountGroupService::ACRIS_STREAM_IDS_EXTENSION)->get('ids');
} else {
$productStreamIds = $this->discountGroupGateway->getProductStreamIds([$product->getId()], $salesChannelContext->getContext());
$product->addExtension(DiscountGroupService::ACRIS_STREAM_IDS_EXTENSION, new ArrayEntity(['ids' => $productStreamIds]));
}
$discountGroupResult = $this->discountGroupGateway->getAllDiscountGroupsForProduct($salesChannelContext, $product->getId(), $productStreamIds);
if ($discountGroupResult->getTotal() === 0) {
return null;
}
/** @var DiscountGroupEntity $discountGroup */
foreach ($discountGroupResult->getEntities()->getElements() as $discountGroup) {
$lineItem = $cart->getLineItems()->filter(function(LineItem $item) use ($discountGroup) {
return $item->hasPayloadValue('discountGroupScalePriceId') && !empty($item->getPayloadValue('discountGroupScalePriceId')) && $item->getPayloadValue('discountGroupScalePriceId') === $discountGroup->getId();
})->first();
if (!empty($lineItem) && $lineItem instanceof LineItem) {
return $lineItem;
}
}
return null;
}
}

custom/plugins/AcrisDiscountGroupCS/src/Storefront/Subscriber/DiscountGroupSubscriber.php line 42