Proposal For setPaymentMethodOnCart

Ref #293

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 +1,24 @@
+{
+    "name": "magento/module-braintree-graph-ql",
+    "description": "N/A",
+    "type": "magento2-module",
+    "require": {
+        "php": "~7.1.3||~7.2.0",
+        "magento/framework": "*"
+    },
+    "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 +1,27 @@
+<?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\AdditionalDataBuilderPool">
+        <arguments>
+            <argument name="builders" xsi:type="array">
+                <item name="braintree" xsi:type="object">BraintreeAdditionalDataBuilder</item>
+                <item name="braintree_vault" xsi:type="object">BraintreeVaultAdditionalDataBuilder</item>
+            </argument>
+        </arguments>
+    </type>
+    <virtualType name="BraintreeAdditionalDataBuilder" type="Magento\QuoteGraphQl\Model\Cart\Payment\DefaultAdditionalDataBuilder">
+        <arguments>
+            <argument name="methodCode" xsi:type="const">Magento\Braintree\Model\Ui\ConfigProvider::CODE</argument>
+        </arguments>
+    </virtualType>
+    <virtualType name="BraintreeVaultAdditionalDataBuilder" type="Magento\QuoteGraphQl\Model\Cart\Payment\DefaultAdditionalDataBuilder">
+        <arguments>
+            <argument name="methodCode" xsi:type="const">Magento\Braintree\Model\Ui\ConfigProvider::CC_VAULT_CODE</argument>
+        </arguments>
+    </virtualType>
+</config>

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

@@ -0,0 +1,10 @@
+<?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"/>
+</config>

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

@@ -0,0 +1,18 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+input PaymentMethodInput {
+    braintree: BraintreeInput
+    braintree_vault: BraintreeVaultInput
+}
+
+input BraintreeInput {
+    payment_method_nonce: String!
+    is_active_payment_token_enabler: Boolean!
+}
+
+input BraintreeVaultInput {
+    payment_method_nonce: String!
+    public_hash: String!
+    is_active_payment_token_enabler: Boolean!
+}

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__);

app/code/Magento/QuoteGraphQl/Model/Cart/Payment/AdditionalDataBuilderInterface.php

@@ -0,0 +1,13 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Cart\Payment;
+
+interface AdditionalDataBuilderInterface
+{
+    public function build(array $args): array;
+}

app/code/Magento/QuoteGraphQl/Model/Cart/Payment/AdditionalDataBuilderPool.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Cart\Payment;
+
+class AdditionalDataBuilderPool
+{
+    /**
+     * @var AdditionalDataBuilderInterface[]
+     */
+    private $builders = [];
+
+    public function __construct(
+        array $builders
+    ) {
+        $this->builders = $builders;
+    }
+
+    public function buildForMethod(string $methodCode, array $args): array
+    {
+        $additionalData = [];
+        if (isset($this->builders[$methodCode])) {
+            $additionalData = $this->builders[$methodCode]->build($args);
+        }
+
+        return $additionalData;
+    }
+}

app/code/Magento/QuoteGraphQl/Model/Cart/Payment/DefaultAdditionalDataBuilder.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Cart\Payment;
+
+use Magento\Framework\Stdlib\ArrayManager;
+
+class DefaultAdditionalDataBuilder implements AdditionalDataBuilderInterface
+{
+    private const INPUT_PATH_ADDITIONAL_DATA = 'input/payment_method/%s';
+
+    /**
+     * @var ArrayManager
+     */
+    private $arrayManager;
+
+    /**
+     * @var string
+     */
+    private $methodCode;
+
+    public function __construct(
+        ArrayManager $arrayManager,
+        string $methodCode = ''
+    ) {
+        $this->arrayManager = $arrayManager;
+        $this->methodCode = $methodCode;
+    }
+
+    public function build(array $args): array
+    {
+        return $this->arrayManager->get($this->getAdditionalDataPath(), $args) ?? [];
+    }
+
+    private function getAdditionalDataPath(): string
+    {
+        return sprintf(static::INPUT_PATH_ADDITIONAL_DATA, $this->methodCode);
+    }
+}

app/code/Magento/QuoteGraphQl/Model/Cart/Payment/MethodBuilder.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Cart\Payment;
+
+use Magento\Framework\Api\DataObjectHelper;
+use Magento\Framework\Stdlib\ArrayManager;
+use Magento\Quote\Api\Data\PaymentInterface;
+use Magento\Quote\Api\Data\PaymentInterfaceFactory;
+
+class MethodBuilder
+{
+    /**
+     * @var PaymentInterfaceFactory
+     */
+    private $paymentFactory;
+
+    /**
+     * @var AdditionalDataBuilderPool
+     */
+    private $additionalDataBuilderPool;
+
+    /**
+     * @var ArrayManager
+     */
+    private $arrayManager;
+
+    /**
+     * @param PaymentInterfaceFactory $paymentFactory
+     * @param AdditionalDataBuilderPool $additionalDataBuilderPool
+     * @param ArrayManager $arrayManager
+     */
+    public function __construct(
+        PaymentInterfaceFactory $paymentFactory,
+        AdditionalDataBuilderPool $additionalDataBuilderPool,
+        ArrayManager $arrayManager
+    ) {
+        $this->paymentFactory = $paymentFactory;
+        $this->additionalDataBuilderPool = $additionalDataBuilderPool;
+        $this->arrayManager = $arrayManager;
+    }
+
+    public function build(array $args): PaymentInterface
+    {
+        $method = (string) $this->arrayManager->get('input/payment_method/method', $args);
+
+        return $this->paymentFactory->create([
+            'data' => [
+                PaymentInterface::KEY_METHOD => $method,
+                PaymentInterface::KEY_PO_NUMBER => $this->arrayManager->get('input/payment_method/po_number', $args),
+                PaymentInterface::KEY_ADDITIONAL_DATA => $this->additionalDataBuilderPool->buildForMethod(
+                    $method,
+                    $args
+                ),
+            ]
+        ]);
+    }
+}

app/code/Magento/QuoteGraphQl/Model/Cart/Payment/PaymentDataProvider.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Cart\Payment;
+
+use Magento\Quote\Model\Quote;
+
+/**
+ * Extract data from payment
+ */
+class PaymentDataProvider
+{
+    /**
+     * Extract data from cart
+     *
+     * @param Quote $cart
+     * @return array
+     */
+    public function getCartPayment(Quote $cart): array
+    {
+        $payment = $cart->getPayment();
+        if (!$payment) {
+            return [];
+        }
+
+        return [
+            'method' => $payment->getMethod(),
+            'po_number' => $payment->getPoNumber(),
+        ];
+    }
+}

app/code/Magento/QuoteGraphQl/Model/Resolver/CartPaymentMethod.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Resolver;
+
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\QuoteGraphQl\Model\Cart\Payment\PaymentDataProvider;
+use Magento\QuoteGraphQl\Model\Cart\GetCartForUser;
+
+/**
+ * @inheritdoc
+ */
+class CartPaymentMethod implements ResolverInterface
+{
+    /**
+     * @var PaymentDataProvider
+     */
+    private $paymentDataProvider;
+
+    /**
+     * @var GetCartForUser
+     */
+    private $getCartForUser;
+
+    /**
+     * @param PaymentDataProvider $paymentDataProvider
+     * @param GetCartForUser $getCartForUser
+     */
+    public function __construct(
+        PaymentDataProvider $paymentDataProvider,
+        GetCartForUser $getCartForUser
+    ) {
+        $this->paymentDataProvider = $paymentDataProvider;
+        $this->getCartForUser = $getCartForUser;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null)
+    {
+        if (!isset($value['cart_id'])) {
+            throw new LocalizedException(__('"model" value should be specified'));
+        }
+
+        $maskedCartId = $value['cart_id'];
+        $cart = $this->getCartForUser->execute($maskedCartId, $context->getUserId());
+
+        return $this->paymentDataProvider->getCartPayment($cart);
+    }
+}