Add GiftMessageGraphQL module and add gift_message query for cart

Author: Usik2203

app/code/Magento/GiftMessageGraphQl/Model/Resolver/GiftMessage.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\GiftMessageGraphQl\Model\Resolver;
+
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Query\Resolver\ContextInterface;
+use Magento\Framework\GraphQl\Query\Resolver\Value;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\GiftMessage\Api\CartRepositoryInterface;
+
+/**
+ * Class Gift Message
+ */
+class GiftMessage implements ResolverInterface
+{
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * GiftMessage constructor.
+     *
+     * @param CartRepositoryInterface $cartRepository
+     */
+    public function __construct(
+        CartRepositoryInterface $cartRepository
+    ) {
+        $this->cartRepository = $cartRepository;
+    }
+
+    /**
+     * Return information about Gift message of cart
+     *
+     * @param Field            $field
+     * @param ContextInterface $context
+     * @param ResolveInfo      $info
+     * @param array|null       $value
+     * @param array|null       $args
+     *
+     * @return array|Value|mixed
+     *
+     * @throws GraphQlInputException
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) {
+        if (!isset($value['model'])) {
+            throw new GraphQlInputException(__('"model" value should be specified'));
+        }
+        $cart = $value['model'];
+
+        $giftCartMessage = $this->cartRepository->get($cart->getId());
+
+        if (is_null($giftCartMessage)) {
+            throw new GraphQlInputException(__("Gift message doesn't exist for current cart"));
+        }
+
+        return [
+            'to' => $giftCartMessage->getRecipient() ?? '',
+            'from' => $giftCartMessage->getSender() ?? '',
+            'message'=> $giftCartMessage->getMessage() ?? ''
+        ];
+    }
+}

app/code/Magento/GiftMessageGraphQl/README.md

@@ -0,0 +1,3 @@
+# GiftMessageGraphQl
+
+**GiftMessageGraphQl**

app/code/Magento/GiftMessageGraphQl/composer.json

@@ -0,0 +1,22 @@
+{
+  "name": "magento/module-gift-message-graph-ql",
+  "description": "N/A",
+  "type": "magento2-module",
+  "require": {
+    "php": "~7.1.3||~7.2.0||~7.3.0",
+      "magento/framework": "*",
+      "magento/module-gift-message": "*"
+  },
+  "license": [
+    "OSL-3.0",
+    "AFL-3.0"
+  ],
+  "autoload": {
+    "files": [
+      "registration.php"
+    ],
+    "psr-4": {
+      "Magento\\GiftMessageGraphQl\\": ""
+    }
+  }
+}

app/code/Magento/GiftMessageGraphQl/etc/module.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
+    <module name="Magento_GiftMessageGraphQl"/>
+</config>

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

@@ -0,0 +1,12 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+type Cart {
+    gift_message: GiftMessage @resolver (class: "\\Magento\\GiftMessageGraphQl\\Model\\Resolver\\GiftMessage") @doc(description: "The entered gift message for the cart")
+}
+
+type GiftMessage {
+    to: String! @doc(description: "Recepient name")
+    from: String! @doc(description: "Sender name")
+    message: String! @doc(description: "Gift message text")
+}

app/code/Magento/GiftMessageGraphQl/registration.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(
+    ComponentRegistrar::MODULE,
+    'Magento_GiftMessageGraphQl',
+    __DIR__
+);

dev/tests/api-functional/testsuite/Magento/GraphQl/GiftMessage/GiftMessageTest.php

@@ -0,0 +1,50 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\GraphQl\Quote\GetMaskedQuoteIdByReservedOrderId;
+use Magento\TestFramework\Helper\Bootstrap;
+use Magento\TestFramework\TestCase\GraphQlAbstract;
+
+class GiftMessageTest  extends GraphQlAbstract
+{
+    /**
+     * @var GetMaskedQuoteIdByReservedOrderId
+     */
+    private $getMaskedQuoteIdByReservedOrderId;
+
+    protected function setUp()
+    {
+        $objectManager = Bootstrap::getObjectManager();
+        $this->getMaskedQuoteIdByReservedOrderId = $objectManager->get(GetMaskedQuoteIdByReservedOrderId::class);
+    }
+
+    /**
+     * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_simple_product.php
+     */
+    public function testGiftMessageForCart()
+    {
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute('test_quote');
+        $query = <<<QUERY
+{
+    cart(cart_id: "$maskedQuoteId") {
+        gift_message {
+            to
+            from
+            message
+        }
+    }
+}
+QUERY;
+        $response = $this->graphQlQuery($query);
+        self::assertArrayHasKey('gift_message', $response['cart']);
+        self::assertArrayHasKey('to', $response['cart']['gift_message']);
+        self::assertArrayHasKey('from', $response['cart']['gift_message']);
+        self::assertArrayHasKey('message', $response['cart']['gift_message']);
+    }
+}