MC-42652: GraphQL - Expected behavior of add product to cart when SKU already exists

Oleksandr Iegorov · Oleksandr Iegorov · commit 73c3f2bfd96f · 2021-07-06T09:35:31.000-05:00
diff --git a/app/code/Magento/QuoteGraphQl/Model/Cart/AddSimpleProductToCart.php b/app/code/Magento/QuoteGraphQl/Model/Cart/AddSimpleProductToCart.php
@@ -199,6 +199,16 @@ private function addProductToCartWithConcurrency(Quote $cart, Product $product,
                 }
                 break;
             }
+
+            $itemsToUpdate = [];
+            foreach ($cart->getItems() as $itemToUpdate) {
+                if ($itemToUpdate->getItemId() === $item->getItemId()) {
+                    $itemsToUpdate[] = $item;
+                } else {
+                    $itemsToUpdate[] = $itemToUpdate;
+                }
+            }
+            $cart->setItems($itemsToUpdate);
         }
         if (!empty($errors)) {
             throw new LocalizedException(__(implode("\n", $errors)));

Original file line number	Diff line number	Diff line change
`@@ -199,6 +199,16 @@ private function addProductToCartWithConcurrency(Quote $cart, Product $product,`
`199`	`199`	`}`
`200`	`200`	`break;`
`201`	`201`	`}`
	`202`	`+`
	`203`	`+ $itemsToUpdate = [];`
	`204`	`+ foreach ($cart->getItems() as $itemToUpdate) {`
	`205`	`+ if ($itemToUpdate->getItemId() === $item->getItemId()) {`
	`206`	`+ $itemsToUpdate[] = $item;`
	`207`	`+ } else {`
	`208`	`+ $itemsToUpdate[] = $itemToUpdate;`
	`209`	`+ }`
	`210`	`+ }`
	`211`	`+ $cart->setItems($itemsToUpdate);`
`202`	`212`	`}`
`203`	`213`	`if (!empty($errors)) {`
`204`	`214`	`throw new LocalizedException(__(implode("\n", $errors)));`