graphQl: removed multishipping implementation, fixed namespaces

Author: vitaliyboyko

app/code/Magento/QuoteGraphQl/Model/Resolver/ShippingAddress/SetShippingAddressOnCart/SingleShipping.php renamed to app/code/Magento/QuoteGraphQl/Model/Cart/SetShippingAddressOnCart.php

@@ -5,7 +5,7 @@
  */
 declare(strict_types=1);
 
-namespace Magento\QuoteGraphQl\Model\Resolver\ShippingAddress\SetShippingAddressOnCart;
+namespace Magento\QuoteGraphQl\Model\Cart;
 
 use Magento\Authorization\Model\UserContextInterface;
 use Magento\Customer\Api\Data\AddressInterface;
@@ -16,7 +16,12 @@
 use Magento\Quote\Model\ShippingAddressManagementInterface;
 use Magento\Customer\Api\AddressRepositoryInterface;
 
-class SingleShipping
+/**
+ * Class SetShippingAddressOnCart
+ *
+ * Set shipping address for a specified shopping cart
+ */
+class SetShippingAddressOnCart
 {
     /**
      * @var ShippingAddressManagementInterface
@@ -51,11 +56,17 @@ public function __construct(
     /**
      * @param ContextInterface $context
      * @param int $cartId
-     * @param array $shippingAddress
+     * @param array $shippingAddresses
      * @return void
      */
-    public function setAddress(ContextInterface $context, int $cartId, array $shippingAddress): void
+    public function setAddresses(ContextInterface $context, int $cartId, array $shippingAddresses): void
     {
+        if (count($shippingAddresses) > 1) {
+            throw new GraphQlInputException(
+                __('Multiple address does not allowed here!')
+            );
+        }
+        $shippingAddress = current($shippingAddresses);
         $customerAddressId = $shippingAddress['customer_address_id'] ?? null;
         $addressInput = $shippingAddress['address'] ?? null;
 

app/code/Magento/QuoteGraphQl/Model/Resolver/SetShippingAddressesOnCart.php

@@ -0,0 +1,101 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Resolver;
+
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Framework\Stdlib\ArrayManager;
+use Magento\Quote\Model\MaskedQuoteIdToQuoteIdInterface;
+use Magento\Quote\Model\ShippingAddressManagementInterface;
+use Magento\QuoteGraphQl\Model\Cart\GetCartForUser;
+use Magento\QuoteGraphQl\Model\Cart\SetShippingAddressOnCart;
+
+/**
+ * Class SetShippingAddressesOnCart
+ *
+ * Mutation resolver for setting shipping addresses for shopping cart
+ */
+class SetShippingAddressesOnCart implements ResolverInterface
+{
+    /**
+     * @var MaskedQuoteIdToQuoteIdInterface
+     */
+    private $maskedQuoteIdToQuoteId;
+
+    /**
+     * @var SetShippingAddressOnCart
+     */
+    private $setShippingAddressOnCart;
+
+    /**
+     * @var ShippingAddressManagementInterface
+     */
+    private $shippingAddressManagement;
+
+    /**
+     * @var GetCartForUser
+     */
+    private $getCartForUser;
+
+    /**
+     * @var ArrayManager
+     */
+    private $arrayManager;
+
+    /**
+     * @param MaskedQuoteIdToQuoteIdInterface $maskedQuoteIdToQuoteId
+     * @param SetShippingAddressOnCart $setShippingAddressOnCart
+     * @param ShippingAddressManagementInterface $shippingAddressManagement
+     * @param GetCartForUser $getCartForUser
+     * @param ArrayManager $arrayManager
+     */
+    public function __construct(
+        MaskedQuoteIdToQuoteIdInterface $maskedQuoteIdToQuoteId,
+        SetShippingAddressOnCart $setShippingAddressOnCart,
+        ShippingAddressManagementInterface $shippingAddressManagement,
+        GetCartForUser $getCartForUser,
+        ArrayManager $arrayManager
+    ) {
+        $this->maskedQuoteIdToQuoteId = $maskedQuoteIdToQuoteId;
+        $this->setShippingAddressOnCart = $setShippingAddressOnCart;
+        $this->shippingAddressManagement = $shippingAddressManagement;
+        $this->getCartForUser = $getCartForUser;
+        $this->arrayManager = $arrayManager;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
+    {
+        $shippingAddresses = $this->arrayManager->get('input/shipping_addresses', $args);
+        $maskedCartId = $this->arrayManager->get('input/cart_id', $args);
+
+        if (!$maskedCartId) {
+            throw new GraphQlInputException(__('Required parameter "cart_id" is missing'));
+        }
+        if (!$shippingAddresses) {
+            throw new GraphQlInputException(__('Required parameter "shipping_addresses" is missing'));
+        }
+
+        $maskedCartId = $args['input']['cart_id'];
+        $cart = $this->getCartForUser->execute($maskedCartId, $context->getUserId());
+        $cartId = (int)$cart->getEntityId();
+
+        $this->setShippingAddressOnCart->setAddresses($context, $cartId, $shippingAddresses);
+
+        return [
+            'cart' => [
+                'cart_id' => $maskedCartId,
+                'model' => $cart
+            ]
+        ];
+    }
+}