PWA-1379: [GraphQl] AddWishlistItemsToCartOutput.status doesn't return the correct status if items are not added to cart

- Added wishlist id and item id in error response

Author: Prabhu Ram

app/code/Magento/WishlistGraphQl/Model/Resolver/Wishlist/AddToCart.php

@@ -168,8 +168,10 @@ public function resolve(
             /** @var AddProductsToCartOutput $addProductsToCartOutput */
             $addProductsToCartOutput = $this->addProductsToCartService->execute($maskedCartId, [$cartItem]);
             $errors = array_map(
-                function (Error $error) {
+                function (Error $error) use ($item, $wishlist) {
                     return [
+                        'wishlistItemId' =>  $item->getID(),
+                        'wishlistId' => $wishlist->getId(),
                         'code' => $error->getCode(),
                         'message' => $error->getMessage(),
                     ];

app/code/Magento/WishlistGraphQl/etc/schema.graphqls

@@ -69,7 +69,21 @@ type Mutation {
 type AddWishlistItemsToCartOutput {
     wishlist: Wishlist! @doc(description: "Contains the wish list with all items that were successfully added")
     status: Boolean! @doc(description: "Indicates whether the attempt to add items to the customer's cart was successful")
-    add_wishlist_items_to_cart_user_errors: [CartUserInputError!]! @doc(description: "An array of errors encountered while adding products to the customer's cart")
+    add_wishlist_items_to_cart_user_errors: [WishlistCartUserInputError!]! @doc(description: "An array of errors encountered while adding products to the customer's cart")
+}
+
+type WishlistCartUserInputError {
+    message: String! @doc(description: "A localized error message")
+    code: WishlistCartUserInputErrorType! @doc(description: "Wishlist-Cart-specific error code")
+    wishlistId: ID! @doc(description: "The id of the wishlist associated with the error")
+    wishlistItemId: ID! @doc(description: "The id of the wishlist item associated with the error")
+}
+
+enum WishlistCartUserInputErrorType {
+    PRODUCT_NOT_FOUND
+    NOT_SALABLE
+    INSUFFICIENT_STOCK
+    UNDEFINED
 }
 
 input WishlistItemInput @doc(description: "Defines the items to add to a wish list") {

dev/tests/api-functional/testsuite/Magento/GraphQl/Wishlist/AddWishlistItemsToCartTest.php

@@ -56,6 +56,35 @@ public function testAddItemsToCart(): void
         $this->assertEquals($response['addWishlistItemsToCart']['status'], true);
     }
 
+    /**
+     * @magentoConfigFixture default_store wishlist/general/active 1
+     * @magentoApiDataFixture Magento/Customer/_files/customer.php
+     * @magentoApiDataFixture Magento/Wishlist/_files/wishlist_with_configurable_product.php
+     */
+    public function testAddIncompleteItemsToCart(): void
+    {
+        $wishlist = $this->getWishlist();
+        $customerWishlist = $wishlist['customer']['wishlists'][0];
+        $wishlistId = $customerWishlist['id'];
+        $wishlistItem = $customerWishlist['items_v2']['items'][0];
+        $itemId = $wishlistItem['id'];
+
+        $query = $this->getQuery($wishlistId, $itemId);
+        $response = $this->graphQlMutation($query, [], '', $this->getHeaderMap());
+
+        $this->assertArrayHasKey('addWishlistItemsToCart', $response);
+        $wishlistAfterAddingToCart = $response['addWishlistItemsToCart']['wishlist'];
+        $userErrors = $response['addWishlistItemsToCart']['add_wishlist_items_to_cart_user_errors'];
+        $this->assertEquals($userErrors[0]['message'], 'You need to choose options for your item.');
+        $this->assertEquals($userErrors[0]['code'], 'UNDEFINED');
+        $this->assertEquals($userErrors[0]['wishlistId'], $wishlistId);
+        $this->assertEquals($userErrors[0]['wishlistItemId'], $itemId);
+        $wishlistItems = $wishlistAfterAddingToCart['items_v2']['items'];
+        $this->assertNotEmpty($wishlistItems);
+        $this->assertArrayHasKey('status', $response['addWishlistItemsToCart']);
+        $this->assertEquals($response['addWishlistItemsToCart']['status'], false);
+    }
+
     /**
      * @magentoConfigFixture default_store wishlist/general/active 1
      * @magentoApiDataFixture Magento/Customer/_files/customer.php
@@ -255,6 +284,8 @@ private function getQuery(
     add_wishlist_items_to_cart_user_errors{
         message
         code
+        wishlistId
+        wishlistItemId
     }
    }
 }