MC-38655: [GraphQL] Gifting message is not saved in Order

- Missing the event at GraphQL while Gift message saving

Author: arnobsh

app/code/Magento/GiftMessageGraphQl/etc/graphql/events.xml

@@ -0,0 +1,12 @@
+<?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:Event/etc/events.xsd">
+    <event name="sales_model_service_quote_submit_before">
+        <observer name="giftmessage" instance="Magento\GiftMessage\Observer\SalesEventQuoteSubmitBeforeObserver" shared="false" />
+    </event>
+</config>

dev/tests/api-functional/testsuite/Magento/GraphQl/Quote/Guest/PlaceOrderTest.php

@@ -327,6 +327,45 @@ public function testPlaceOrderOfCustomerCart()
         $this->graphQlMutation($query);
     }
 
+    /**
+     * Test place order with gift message options
+     *
+     * @magentoApiDataFixture Magento/GraphQl/Catalog/_files/simple_product.php
+     * @magentoConfigFixture default_store carriers/flatrate/active 1
+     * @magentoConfigFixture default_store carriers/tablerate/active 1
+     * @magentoConfigFixture default_store carriers/freeshipping/active 1
+     * @magentoConfigFixture default_store payment/banktransfer/active 1
+     * @magentoConfigFixture default_store payment/cashondelivery/active 1
+     * @magentoConfigFixture default_store payment/checkmo/active 1
+     * @magentoConfigFixture default_store payment/purchaseorder/active 1
+     * @magentoConfigFixture sales/gift_options/allow_order 1
+     * @magentoConfigFixture default_store customer/create_account/auto_group_assign 1
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/create_empty_cart.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/guest/set_guest_email.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/add_simple_product.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_gift_options.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_new_shipping_address.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_new_billing_address.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_flatrate_shipping_method.php
+     * @magentoApiDataFixture Magento/GraphQl/Quote/_files/set_checkmo_payment_method.php
+     */
+    public function testPlaceOrderWithGiftMessage()
+    {
+        $reservedOrderId = 'test_quote';
+        $maskedQuoteId = $this->getMaskedQuoteIdByReservedOrderId->execute($reservedOrderId);
+
+        $query = $this->getQuery($maskedQuoteId);
+        $response = $this->graphQlMutation($query);
+
+        self::assertArrayHasKey('placeOrder', $response);
+        self::assertArrayHasKey('order_number', $response['placeOrder']['order']);
+        self::assertEquals($reservedOrderId, $response['placeOrder']['order']['order_number']);
+        $orderIncrementId = $response['placeOrder']['order']['order_number'];
+        $order = $this->orderFactory->create();
+        $order->loadByIncrementId($orderIncrementId);
+        $this->assertNotEmpty($order->getGiftMessageId());
+    }
+
     /**
      * @param string $maskedQuoteId
      * @return string

dev/tests/integration/testsuite/Magento/GraphQl/Quote/_files/set_gift_options.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\Quote\Model\QuoteFactory;
+use Magento\Quote\Model\ResourceModel\Quote as QuoteResource;
+use Magento\TestFramework\Helper\Bootstrap;
+
+$objectManager = Bootstrap::getObjectManager();
+
+/** @var QuoteFactory $quoteFactory */
+$quoteFactory = $objectManager->get(QuoteFactory::class);
+/** @var QuoteResource $quoteResource */
+$quoteResource = $objectManager->get(QuoteResource::class);
+/** @var CartRepositoryInterface $cartRepository */
+$cartRepository = $objectManager->get(CartRepositoryInterface::class);
+
+
+/** @var \Magento\GiftMessage\Model\Message $message */
+$message = $objectManager->create(\Magento\GiftMessage\Model\Message::class);
+$message->setSender('Romeo');
+$message->setRecipient('Mercutio');
+$message->setMessage('I thought all for the best.');
+$message->save();
+
+$quote = $quoteFactory->create();
+$quoteResource->load($quote, 'test_quote', 'reserved_order_id');
+$quote->setGiftMessageId($message->getId());
+$cartRepository->save($quote);