GraphQL-202: [Mutations] adds sendEmailFriend Logic

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

@@ -0,0 +1,147 @@
+<?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\ProductRepositoryInterface;
+use Magento\Framework\DataObjectFactory;
+use Magento\Framework\Exception\NoSuchEntityException;
+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\SendFriend\Model\SendFriend;
+
+class SendEmailToFriend implements ResolverInterface
+{
+    /**
+     * @var SendFriend
+     */
+    private $sendFriend;
+    /**
+     * @var ProductRepositoryInterface
+     */
+    private $productRepository;
+    /**
+     * @var DataObjectFactory
+     */
+    private $dataObjectFactory;
+
+    public function __construct(
+        SendFriend $sendFriend,
+        ProductRepositoryInterface $productRepository,
+        DataObjectFactory $dataObjectFactory
+    ) {
+        $this->sendFriend = $sendFriend;
+        $this->productRepository = $productRepository;
+        $this->dataObjectFactory = $dataObjectFactory;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
+    {
+        if ($this->sendFriend->getMaxSendsToFriend() && $this->sendFriend->isExceedLimit()) {
+            throw new GraphQlInputException(__('You can\'t send messages more than %1 times an hour.',
+                $this->sendFriend->getMaxSendsToFriend()
+            ));
+        }
+
+        $product = $this->getProductFromRepository($args['input']['params']['product_id']);
+        $senderArray = $this->getSenderArrayFromArgs($args);
+        $recipientsArray = $this->getRecipientsArray($args);
+        //@todo clarify if event should be dispatched
+        //$this->_eventManager->dispatch('sendfriend_product', ['product' => $product]);
+        $this->sendFriend->setSender($senderArray);
+        $this->sendFriend->setRecipients($recipientsArray);
+        $this->sendFriend->setProduct($product);
+
+        $this->prepareDataForValidation($args, $recipientsArray);
+        $validationResult = $this->sendFriend->validate();
+        $this->addRecipientNameValidation($args);
+        if ($validationResult !== true) {
+            throw new GraphQlInputException(__(implode($validationResult)));
+        }
+
+        $this->sendFriend->send();
+
+        return array_merge($senderArray, $recipientsArray);
+    }
+
+    private function prepareDataForValidation(array $args, array $recipientsArray): void
+    {
+        $sender = $this->dataObjectFactory->create()->setData([
+            'name' => $args['input']['sender']['name'],
+            'email'=> $args['input']['sender']['email'],
+            'message' => $args['input']['sender']['message'],
+        ]);
+        $emails = [];
+        foreach ($recipientsArray['recipients'] as $recipient) {
+            $emails[] = $recipient['email'];
+        }
+        $recipients = $this->dataObjectFactory->create()->setData('emails', $emails);
+
+        $this->sendFriend->setData('_sender', $sender);
+        $this->sendFriend->setData('_recipients', $recipients);
+    }
+
+    /**
+     * @param array $args
+     * @throws GraphQlInputException
+     */
+    private function addRecipientNameValidation(array $args): void
+    {
+        foreach ($args['input']['recipients'] as $recipient) {
+            if (empty($recipient['name'])) {
+                throw new GraphQlInputException(
+                    __('Please Provide Name for Recipient with this Email Address: ' . $recipient['email']
+                ));
+            }
+        }
+    }
+
+    /**
+     * @param int $productId
+     * @return bool|\Magento\Catalog\Api\Data\ProductInterface
+     */
+    private function getProductFromRepository(int $productId)
+    {
+        try {
+            $product = $this->productRepository->getById($productId);
+            if (!$product->isVisibleInCatalog()) {
+                return false;
+            }
+        } catch (NoSuchEntityException $noEntityException) {
+            return false;
+        }
+
+        return $product;
+    }
+
+    private function getRecipientsArray(array $args): array
+    {
+        $recipientsArray = [];
+        foreach ($args['input']['recipients'] as $recipient) {
+            $recipientsArray[] = [
+                'name' => $recipient['name'],
+                'email' => $recipient['email'],
+            ];
+        }
+        return ['recipients' => $recipientsArray];
+    }
+
+    private function getSenderArrayFromArgs(array $args): array
+    {
+        return ['sender' => [
+                    'name' => $args['input']['sender']['name'],
+                    'email' => $args['input']['sender']['email'],
+                    'message' => $args['input']['sender']['message'],
+                    ]
+            ];
+    }
+}

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_SendFriendGraphGl"/>
+</config>

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

@@ -0,0 +1,33 @@
+# 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:"@todo")
+}
+
+input SendEmailToFriendSenderInput {
+   sender: Sender!
+   params: Params!
+   recipients: [Recipient]
+}
+
+type Sender {
+    name: String!
+    email: String!
+    message: String!
+}
+#@todo Prams can be removed if dispatching of event in app/code/Magento/SendFriendGraphQl/Model/Resolver/SendEmailToFriend.php not needed
+type Params {
+    product_id: Int!
+}
+
+type Recipient {
+    name: String!
+    email: String!
+}
+
+
+type SendEmailToFriendOutput {
+    sender: Sender
+    recipients: [Recipient]
+}

app/code/Magento/SendFriendGraphQl/registration.php

@@ -0,0 +1,9 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+use Magento\Framework\Component\ComponentRegistrar;
+
+ComponentRegistrar::register(ComponentRegistrar::MODULE, 'Magento_SendFriendGraphGl', __DIR__);