GraphQL-202: [Mutations] adds sendEmailFriend Logic

app/code/Magento/SendFriendGraphQl/Model/Resolver/SendEmailToFriend.php

@@ -0,0 +1,198 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\SendFriendGraphQl\Model\Resolver;
+
+use Magento\Catalog\Api\Data\ProductInterface;
+use Magento\Catalog\Api\ProductRepositoryInterface;
+use Magento\Framework\DataObjectFactory;
+use Magento\Framework\Event\ManagerInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\Framework\GraphQl\Exception\GraphQlNoSuchEntityException;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\SendFriend\Model\SendFriend;
+use Magento\SendFriend\Model\SendFriendFactory;
+
+/**
+ * @inheritdoc
+ */
+class SendEmailToFriend implements ResolverInterface
+{
+    /**
+     * @var SendFriendFactory
+     */
+    private $sendFriendFactory;
+
+    /**
+     * @var ProductRepositoryInterface
+     */
+    private $productRepository;
+
+    /**
+     * @var DataObjectFactory
+     */
+    private $dataObjectFactory;
+
+    /**
+     * @var ManagerInterface
+     */
+    private $eventManager;
+
+    /**
+     * @param SendFriendFactory $sendFriendFactory
+     * @param ProductRepositoryInterface $productRepository
+     * @param DataObjectFactory $dataObjectFactory
+     * @param ManagerInterface $eventManager
+     */
+    public function __construct(
+        SendFriendFactory $sendFriendFactory,
+        ProductRepositoryInterface $productRepository,
+        DataObjectFactory $dataObjectFactory,
+        ManagerInterface $eventManager
+    ) {
+        $this->sendFriendFactory = $sendFriendFactory;
+        $this->productRepository = $productRepository;
+        $this->dataObjectFactory = $dataObjectFactory;
+        $this->eventManager = $eventManager;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
+    {
+        /** @var SendFriend $sendFriend */
+        $sendFriend = $this->sendFriendFactory->create();
+
+        if ($sendFriend->getMaxSendsToFriend() && $sendFriend->isExceedLimit()) {
+            throw new GraphQlInputException(
+                __('You can\'t send messages more than %1 times an hour.', $sendFriend->getMaxSendsToFriend())
+            );
+        }
+
+        $product = $this->getProduct($args['input']['product_id']);
+        $this->eventManager->dispatch('sendfriend_product', ['product' => $product]);
+        $sendFriend->setProduct($product);
+
+        $senderData = $this->extractSenderData($args);
+        $sendFriend->setSender($senderData);
+
+        $recipientsData = $this->extractRecipientsData($args);
+        $sendFriend->setRecipients($recipientsData);
+
+        $this->validateSendFriendModel($sendFriend, $senderData, $recipientsData);
+        $sendFriend->send();
+
+        return array_merge($senderData, $recipientsData);
+    }
+
+    /**
+     * Validate send friend model
+     *
+     * @param SendFriend $sendFriend
+     * @param array $senderData
+     * @param array $recipientsData
+     * @return void
+     * @throws GraphQlInputException
+     */
+    private function validateSendFriendModel(SendFriend $sendFriend, array $senderData, array $recipientsData): void
+    {
+        $sender = $this->dataObjectFactory->create()->setData($senderData['sender']);
+        $sendFriend->setData('_sender', $sender);
+
+        $emails = array_column($recipientsData['recipients'], 'email');
+        $recipients = $this->dataObjectFactory->create()->setData('emails', $emails);
+        $sendFriend->setData('_recipients', $recipients);
+
+        $validationResult = $sendFriend->validate();
+        if ($validationResult !== true) {
+            throw new GraphQlInputException(__(implode($validationResult)));
+        }
+    }
+
+    /**
+     * Get product
+     *
+     * @param int $productId
+     * @return ProductInterface
+     * @throws GraphQlNoSuchEntityException
+     */
+    private function getProduct(int $productId): ProductInterface
+    {
+        try {
+            $product = $this->productRepository->getById($productId);
+            if (!$product->isVisibleInCatalog()) {
+                throw new GraphQlNoSuchEntityException(
+                    __("The product that was requested doesn't exist. Verify the product and try again.")
+                );
+            }
+        } catch (NoSuchEntityException $e) {
+            throw new GraphQlNoSuchEntityException(__($e->getMessage()), $e);
+        }
+        return $product;
+    }
+
+    /**
+     * Extract recipients data
+     *
+     * @param array $args
+     * @return array
+     * @throws GraphQlInputException
+     */
+    private function extractRecipientsData(array $args): array
+    {
+        $recipients = [];
+        foreach ($args['input']['recipients'] as $recipient) {
+            if (empty($recipient['name'])) {
+                throw new GraphQlInputException(__('Please provide Name for all of recipients.'));
+            }
+
+            if (empty($recipient['email'])) {
+                throw new GraphQlInputException(__('Please provide Email for all of recipients.'));
+            }
+
+            $recipients[] = [
+                'name' => $recipient['name'],
+                'email' => $recipient['email'],
+            ];
+        }
+        return ['recipients' => $recipients];
+    }
+
+    /**
+     * Extract sender data
+     *
+     * @param array $args
+     * @return array
+     * @throws GraphQlInputException
+     */
+    private function extractSenderData(array $args): array
+    {
+        if (empty($args['input']['sender']['name'])) {
+            throw new GraphQlInputException(__('Please provide Name of sender.'));
+        }
+
+        if (empty($args['input']['sender']['email'])) {
+            throw new GraphQlInputException(__('Please provide Email of sender.'));
+        }
+
+        if (empty($args['input']['sender']['message'])) {
+            throw new GraphQlInputException(__('Please provide Message.'));
+        }
+
+        return [
+            'sender' => [
+                'name' => $args['input']['sender']['name'],
+                'email' => $args['input']['sender']['email'],
+                'message' => $args['input']['sender']['message'],
+            ],
+        ];
+    }
+}

app/code/Magento/SendFriendGraphQl/README.md

@@ -0,0 +1,3 @@
+# SendFriendGraphQl
+
+**SendFriendGraphQl** provides support of GraphQL for SendFriend functionality.

app/code/Magento/SendFriendGraphQl/composer.json

@@ -0,0 +1,26 @@
+{
+    "name": "magento/module-send-friend-graph-ql",
+    "description": "N/A",
+    "type": "magento2-module",
+    "require": {
+        "php": "~7.1.3||~7.2.0",
+        "magento/framework": "*",
+        "magento/module-catalog": "*",
+        "magento/module-send-friend": "*"
+    },
+    "suggest": {
+        "magento/module-graph-ql": "*"
+    },
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Magento\\SendFriendGraphQl\\": ""
+        }
+    }
+}

app/code/Magento/SendFriendGraphQl/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_SendFriendGraphQl"/>
+</config>

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

@@ -0,0 +1,28 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+type Mutation {
+    sendEmailToFriend (input: SendEmailToFriendSenderInput): SendEmailToFriendOutput @resolver(class: "\\Magento\\SendFriendGraphQl\\Model\\Resolver\\SendEmailToFriend") @doc(description:"Recommends Product by Sending Single/Multiple Email")
+}
+
+input SendEmailToFriendSenderInput {
+   product_id: Int!
+   sender: Sender!
+   recipients: [Recipient!]!
+}
+
+type Sender {
+    name: String!
+    email: String!
+    message: String!
+}
+
+type Recipient {
+    name: String!
+    email: String!
+}
+
+type SendEmailToFriendOutput {
+    sender: Sender
+    recipients: [Recipient]
+}

app/code/Magento/SendFriendGraphQl/registration.php

@@ -0,0 +1,10 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(ComponentRegistrar::MODULE, 'Magento_SendFriendGraphQl', __DIR__);

composer.json

@@ -209,6 +209,7 @@
         "magento/module-search": "*",
         "magento/module-security": "*",
         "magento/module-send-friend": "*",
+        "magento/module-send-friend-graph-ql": "*",
         "magento/module-shipping": "*",
         "magento/module-signifyd": "*",
         "magento/module-sitemap": "*",