MC-22213: Implementation - Merge cart

- Merged community PR magento/graphql-ce#950

Author: Prabhu Ram

app/code/Magento/QuoteGraphQl/Model/Cart/GetCart.php

@@ -10,6 +10,8 @@
 use Magento\Framework\Exception\NoSuchEntityException;
 use Magento\Framework\GraphQl\Exception\GraphQlAuthorizationException;
 use Magento\Framework\GraphQl\Exception\GraphQlNoSuchEntityException;
+use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\Quote\Model\MaskedQuoteIdToQuoteIdInterface;
 use Magento\Quote\Model\Quote;
 
 /**
@@ -18,17 +20,25 @@
 class GetCartForUser
 {
     /**
-     * @var GetCart
+     * @var MaskedQuoteIdToQuoteIdInterface
      */
-    private $getCart;
+    private $maskedQuoteIdToQuoteId;
 
     /**
-     * @param GetCart $getCart
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * @param MaskedQuoteIdToQuoteIdInterface $maskedQuoteIdToQuoteId
+     * @param CartRepositoryInterface $cartRepository
      */
     public function __construct(
-        GetCart $getCart
+        MaskedQuoteIdToQuoteIdInterface $maskedQuoteIdToQuoteId,
+        CartRepositoryInterface $cartRepository
     ) {
-        $this->getCart = $getCart;
+        $this->maskedQuoteIdToQuoteId = $maskedQuoteIdToQuoteId;
+        $this->cartRepository = $cartRepository;
     }
 
     /**
@@ -44,14 +54,38 @@ public function __construct(
      */
     public function execute(string $cartHash, ?int $customerId, int $storeId): Quote
     {
-        $cart = $this->getCart->execute($cartHash, $customerId, $storeId);
+        try {
+            $cartId = $this->maskedQuoteIdToQuoteId->execute($cartHash);
+        } catch (NoSuchEntityException $exception) {
+            throw new GraphQlNoSuchEntityException(
+                __('Could not find a cart with ID "%masked_cart_id"', ['masked_cart_id' => $cartHash])
+            );
+        }
+
+        try {
+            /** @var Quote $cart */
+            $cart = $this->cartRepository->get($cartId);
+        } catch (NoSuchEntityException $e) {
+            throw new GraphQlNoSuchEntityException(
+                __('Could not find a cart with ID "%masked_cart_id"', ['masked_cart_id' => $cartHash])
+            );
+        }
 
         if (false === (bool)$cart->getIsActive()) {
             throw new GraphQlNoSuchEntityException(
                 __('Current user does not have an active cart.')
             );
         }
 
+        if ((int)$cart->getStoreId() !== $storeId) {
+            throw new GraphQlNoSuchEntityException(
+                __(
+                    'Wrong store code specified for cart "%masked_cart_id"',
+                    ['masked_cart_id' => $cartHash]
+                )
+            );
+        }
+
         $cartCustomerId = (int)$cart->getCustomerId();
 
         /* Guest cart, allow operations */

app/code/Magento/QuoteGraphQl/Model/Cart/GetCartForUser.php

@@ -13,6 +13,8 @@
 use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
 use Magento\QuoteGraphQl\Model\Cart\GetCartForUser;
 use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\GraphQl\Model\Query\ContextInterface;
+use Magento\Framework\GraphQl\Exception\GraphQlAuthorizationException;
 
 /**
  * Merge Carts Resolver
@@ -54,6 +56,11 @@ public function resolve(Field $field, $context, ResolveInfo $info, array $value
             throw new GraphQlInputException(__('Required parameter "destination_cart_id" is missing'));
         }
 
+        /** @var ContextInterface $context */
+        if (false === $context->getExtensionAttributes()->getIsCustomer()) {
+            throw new GraphQlAuthorizationException(__('The current customer isn\'t authorized.'));
+        }
+
         $guestMaskedCartId = $args['source_cart_id'];
         $customerMaskedCartId = $args['destination_cart_id'];
 

app/code/Magento/QuoteGraphQl/Model/Cart/MergeCarts.php

@@ -21,7 +21,6 @@ type Mutation {
     setPaymentMethodAndPlaceOrder(input: SetPaymentMethodAndPlaceOrderInput): PlaceOrderOutput @deprecated(reason: "Should use setPaymentMethodOnCart and placeOrder mutations in single request.") @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\SetPaymentAndPlaceOrder")
     mergeCarts(source_cart_id: String!, destination_cart_id: String!): Cart! @doc(description:"Merges the source cart into the destination cart") @resolver(class: "Magento\\QuoteGraphQl\\Model\\Resolver\\MergeCarts")
     placeOrder(input: PlaceOrderInput): PlaceOrderOutput @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\PlaceOrder")
-    mergeCarts(input: MergeCartsInput): String @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\MergeCarts")
 }
 
 input createEmptyCartInput {
@@ -148,11 +147,6 @@ input SetGuestEmailOnCartInput {
     email: String!
 }
 
-input MergeCartsInput {
-    first_cart_id: String!
-    second_cart_id: String!
-}
-
 type CartPrices {
     grand_total: Money
     subtotal_including_tax: Money