B2B-2243: Optimize addProductsToCart operations

Author: Roman Hanin

app/code/Magento/Quote/Model/Cart/AddProductsToCart.php

@@ -71,7 +71,9 @@ class AddProductsToCart
      * @param CartRepositoryInterface $cartRepository
      * @param MaskedQuoteIdToQuoteIdInterface $maskedQuoteIdToQuoteId
      * @param BuyRequestBuilder $requestBuilder
-     * @param ProductReaderInterface $productReader
+     * @param ProductReaderInterface|null $productReader
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function __construct(
         ProductRepositoryInterface $productRepository,
@@ -80,7 +82,6 @@ public function __construct(
         BuyRequestBuilder $requestBuilder,
         ProductReaderInterface $productReader = null
     ) {
-        $this->productRepository = $productRepository;
         $this->cartRepository = $cartRepository;
         $this->maskedQuoteIdToQuoteId = $maskedQuoteIdToQuoteId;
         $this->requestBuilder = $requestBuilder;

app/code/Magento/Quote/Model/Cart/ProductReader.php

@@ -58,6 +58,7 @@ public function loadProducts(array $skus, int $storeId): void
 
         $this->productCollection->addAttributeToSelect($this->quoteConfig->getProductAttributes());
         $this->productCollection->setStoreId($storeId);
+        $this->productCollection->addStoreFilter($storeId);
         $this->productCollection->addFieldToFilter(ProductInterface::SKU, ['in' => $skus]);
         $this->productCollection->joinAttribute('status', 'catalog_product/status', 'entity_id', null, 'inner');
         $this->productCollection->joinAttribute('visibility', 'catalog_product/visibility', 'entity_id', null, 'inner');