ENGCOM-5527: GraphQl-644: [Checkout] Support of 'Braintree' payment method #392

 - Merge Pull Request magento/graphql-ce#392 from pmclain/graphql-ce:feature/braintree-payment
 - Merged commits:
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Author: magento-engcom-team

app/code/Magento/BraintreeGraphQl/Model/BraintreeDataProvider.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\BraintreeGraphQl\Model;
+
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\QuoteGraphQl\Model\Cart\Payment\AdditionalDataProviderInterface;
+
+/**
+ * Format Braintree input into value expected when setting payment method
+ */
+class BraintreeDataProvider implements AdditionalDataProviderInterface
+{
+    private const PATH_ADDITIONAL_DATA = 'braintree';
+
+    /**
+     * Format Braintree input into value expected when setting payment method
+     *
+     * @param array $args
+     * @return array
+     * @throws GraphQlInputException
+     */
+    public function getData(array $args): array
+    {
+        if (!isset($args[self::PATH_ADDITIONAL_DATA])) {
+            throw new GraphQlInputException(
+                __('Required parameter "braintree" for "payment_method" is missing.')
+            );
+        }
+
+        if (!isset($args[self::PATH_ADDITIONAL_DATA]['payment_method_nonce'])) {
+            throw new GraphQlInputException(
+                __('Required parameter "payment_method_nonce" for "braintree" is missing.')
+            );
+        }
+
+        if (!isset($args[self::PATH_ADDITIONAL_DATA]['is_active_payment_token_enabler'])) {
+            throw new GraphQlInputException(
+                __('Required parameter "is_active_payment_token_enabler" for "braintree" is missing.')
+            );
+        }
+
+        return $args[self::PATH_ADDITIONAL_DATA];
+    }
+}

app/code/Magento/BraintreeGraphQl/Model/BraintreeVaultDataProvider.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\BraintreeGraphQl\Model;
+
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Magento\QuoteGraphQl\Model\Cart\Payment\AdditionalDataProviderInterface;
+
+/**
+ * Format Braintree input into value expected when setting payment method
+ */
+class BraintreeVaultDataProvider implements AdditionalDataProviderInterface
+{
+    private const PATH_ADDITIONAL_DATA = 'braintree_cc_vault';
+
+    /**
+     * Format Braintree input into value expected when setting payment method
+     *
+     * @param array $args
+     * @return array
+     */
+    public function getData(array $args): array
+    {
+        if (!isset($args[self::PATH_ADDITIONAL_DATA])) {
+            throw new GraphQlInputException(
+                __('Required parameter "braintree_cc_vault" for "payment_method" is missing.')
+            );
+        }
+
+        if (!isset($args[self::PATH_ADDITIONAL_DATA]['public_hash'])) {
+            throw new GraphQlInputException(
+                __('Required parameter "public_hash" for "braintree_cc_vault" is missing.')
+            );
+        }
+
+        return $args[self::PATH_ADDITIONAL_DATA];
+    }
+}

app/code/Magento/BraintreeGraphQl/Model/Resolver/CreateBraintreeClientToken.php

@@ -0,0 +1,70 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\BraintreeGraphQl\Model\Resolver;
+
+use Magento\Braintree\Gateway\Config\Config;
+use Magento\Braintree\Gateway\Request\PaymentDataBuilder;
+use Magento\Braintree\Model\Adapter\BraintreeAdapterFactory;
+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\Store\Model\StoreManagerInterface;
+
+/**
+ * Resolver for generating Braintree client token
+ */
+class CreateBraintreeClientToken implements ResolverInterface
+{
+    /**
+     * @var Config
+     */
+    private $config;
+
+    /**
+     * @var BraintreeAdapterFactory
+     */
+    private $adapterFactory;
+
+    /**
+     * @param Config $config
+     * @param BraintreeAdapterFactory $adapterFactory
+     */
+    public function __construct(
+        Config $config,
+        BraintreeAdapterFactory $adapterFactory
+    ) {
+        $this->config = $config;
+        $this->adapterFactory = $adapterFactory;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) {
+        $storeId = (int)$context->getExtensionAttributes()->getStore()->getId();
+
+        if (!$this->config->isActive($storeId)) {
+            throw new GraphQlInputException(__('The Braintree payment method is not active.'));
+        }
+
+        $params = [];
+        $merchantAccountId = $this->config->getMerchantAccountId($storeId);
+        if (!empty($merchantAccountId)) {
+            $params[PaymentDataBuilder::MERCHANT_ACCOUNT_ID] = $merchantAccountId;
+        }
+
+        return $this->adapterFactory->create($storeId)->generate($params);
+    }
+}

app/code/Magento/BraintreeGraphQl/Plugin/SetVaultPaymentNonce.php

@@ -0,0 +1,79 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\BraintreeGraphQl\Plugin;
+
+use Magento\Braintree\Gateway\Command\GetPaymentNonceCommand;
+use Magento\Braintree\Model\Ui\ConfigProvider;
+use Magento\Framework\GraphQl\Exception\GraphQlInputException;
+use Psr\Log\LoggerInterface;
+
+/**
+ * Plugin creating nonce from Magento Vault Braintree public hash
+ */
+class SetVaultPaymentNonce
+{
+    /**
+     * @var GetPaymentNonceCommand
+     */
+    private $command;
+
+    /**
+     * @var LoggerInterface
+     */
+    private $logger;
+
+    /**
+     * @param GetPaymentNonceCommand $command
+     * @param LoggerInterface $logger
+     */
+    public function __construct(
+        GetPaymentNonceCommand $command,
+        LoggerInterface $logger
+    ) {
+        $this->command = $command;
+        $this->logger = $logger;
+    }
+
+    /**
+     * Set Braintree nonce from public hash
+     *
+     * @param \Magento\QuoteGraphQl\Model\Cart\SetPaymentMethodOnCart $subject
+     * @param \Magento\Quote\Model\Quote $quote
+     * @param array $paymentData
+     * @return array
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
+     */
+    public function beforeExecute(
+        \Magento\QuoteGraphQl\Model\Cart\SetPaymentMethodOnCart $subject,
+        \Magento\Quote\Model\Quote $quote,
+        array $paymentData
+    ): array {
+        if ($paymentData['code'] !== ConfigProvider::CC_VAULT_CODE
+            || !isset($paymentData[ConfigProvider::CC_VAULT_CODE])
+            || !isset($paymentData[ConfigProvider::CC_VAULT_CODE]['public_hash'])
+        ) {
+            return [$quote, $paymentData];
+        }
+
+        $subject = [
+            'public_hash' => $paymentData[ConfigProvider::CC_VAULT_CODE]['public_hash'],
+            'customer_id' => $quote->getCustomerId(),
+            'store_id' => $quote->getStoreId(),
+        ];
+
+        try {
+            $result = $this->command->execute($subject)->get();
+            $paymentData[ConfigProvider::CC_VAULT_CODE]['payment_method_nonce'] = $result['paymentMethodNonce'];
+        } catch (\Exception $e) {
+            $this->logger->critical($e);
+            throw new GraphQlInputException(__('Sorry, but something went wrong'));
+        }
+
+        return [$quote, $paymentData];
+    }
+}

app/code/Magento/BraintreeGraphQl/README.md

@@ -0,0 +1,4 @@
+# BraintreeGraphQl
+
+**BraintreeGraphQl** provides type and resolver for method additional
+information.

app/code/Magento/BraintreeGraphQl/composer.json

@@ -0,0 +1,28 @@
+{
+    "name": "magento/module-braintree-graph-ql",
+    "description": "N/A",
+    "type": "magento2-module",
+    "require": {
+        "php": "~7.1.3||~7.2.0||~7.3.0",
+        "magento/framework": "*",
+        "magento/module-braintree": "*",
+        "magento/module-store": "*",
+        "magento/module-quote": "*",
+        "magento/module-quote-graph-ql": "*"
+    },
+    "suggest": {
+        "magento/module-graph-ql": "*"
+    },
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Magento\\BraintreeGraphQl\\": ""
+        }
+    }
+}

app/code/Magento/BraintreeGraphQl/etc/graphql/di.xml

@@ -0,0 +1,20 @@
+<?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:ObjectManager/etc/config.xsd">
+    <type name="Magento\QuoteGraphQl\Model\Cart\Payment\AdditionalDataProviderPool">
+        <arguments>
+            <argument name="dataProviders" xsi:type="array">
+                <item name="braintree" xsi:type="object">Magento\BraintreeGraphQl\Model\BraintreeDataProvider</item>
+                <item name="braintree_cc_vault" xsi:type="object">Magento\BraintreeGraphQl\Model\BraintreeVaultDataProvider</item>
+            </argument>
+        </arguments>
+    </type>
+    <type name="Magento\QuoteGraphQl\Model\Cart\SetPaymentMethodOnCart">
+        <plugin name="braintree_generate_vault_nonce" type="Magento\BraintreeGraphQl\Plugin\SetVaultPaymentNonce" />
+    </type>
+</config>

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

@@ -0,0 +1,17 @@
+<?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_BraintreeGraphQl">
+        <sequence>
+            <module name="Magento_Braintree"/>
+            <module name="Magento_Quote"/>
+            <module name="Magento_Store"/>
+            <module name="Magento_QuoteGraphQl"/>
+        </sequence>
+    </module>
+</config>

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

@@ -0,0 +1,22 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+type Mutation {
+    createBraintreeClientToken: String! @resolver(class: "\\Magento\\BraintreeGraphQl\\Model\\Resolver\\CreateBraintreeClientToken") @doc(description:"Creates Braintree Client Token for creating client-side nonce.")
+}
+
+input PaymentMethodInput {
+    braintree: BraintreeInput
+    braintree_cc_vault: BraintreeCcVaultInput
+}
+
+input BraintreeInput {
+    payment_method_nonce: String!
+    is_active_payment_token_enabler: Boolean!
+    device_data: String
+}
+
+input BraintreeCcVaultInput {
+    public_hash: String!
+    device_data: String
+}

app/code/Magento/BraintreeGraphQl/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_BraintreeGraphQl', __DIR__);