Empty cart creation added

app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteId.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Model;
+
+use Magento\Quote\Api\CartRepositoryInterface;
+use Magento\Quote\Model\ResourceModel\Quote\QuoteIdMask as QuoteIdMaskResource;
+
+class MaskedQuoteIdToQuoteId implements MaskedQuoteIdToQuoteIdInterface
+{
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * @var QuoteIdMaskFactory
+     */
+    private $quoteIdMaskFactory;
+
+    /**
+     * @var QuoteIdMaskResource
+     */
+    private $quoteIdMaskResource;
+
+    /**
+     * @param QuoteIdMaskFactory $quoteIdMaskFactory
+     * @param CartRepositoryInterface $cartRepository
+     * @param QuoteIdMaskResource $quoteIdMaskResource
+     */
+    public function __construct(
+        QuoteIdMaskFactory $quoteIdMaskFactory,
+        CartRepositoryInterface $cartRepository,
+        QuoteIdMaskResource $quoteIdMaskResource
+    ) {
+        $this->quoteIdMaskFactory = $quoteIdMaskFactory;
+        $this->cartRepository = $cartRepository;
+        $this->quoteIdMaskResource = $quoteIdMaskResource;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function execute(string $maskedQuoteId): int
+    {
+        $quoteIdMask = $this->quoteIdMaskFactory->create();
+        $this->quoteIdMaskResource->load($quoteIdMask, $maskedQuoteId, 'masked_id');
+
+        $cart = $this->cartRepository->get($quoteIdMask->getQuoteId());
+
+        return (int)$cart->getId();
+    }
+}

app/code/Magento/Quote/Model/MaskedQuoteIdToQuoteIdInterface.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Model;
+
+use Magento\Framework\Exception\NoSuchEntityException;
+
+/**
+ * Converts masked quote id to the quote id (entity id)
+ * @api
+ */
+interface MaskedQuoteIdToQuoteIdInterface
+{
+    /**
+     * @param string $maskedQuoteId
+     * @return int
+     * @throws NoSuchEntityException
+     */
+    public function execute(string $maskedQuoteId): int;
+}

app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteId.php

@@ -0,0 +1,49 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Model;
+
+use Magento\Quote\Api\CartRepositoryInterface;
+
+class QuoteIdToMaskedQuoteId implements QuoteIdToMaskedQuoteIdInterface
+{
+    /**
+     * @var QuoteIdMaskFactory
+     */
+    private $quoteIdMaskFactory;
+
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * @param QuoteIdMaskFactory $quoteIdMaskFactory
+     * @param CartRepositoryInterface $cartRepository
+     */
+    public function __construct(
+        QuoteIdMaskFactory $quoteIdMaskFactory,
+        CartRepositoryInterface $cartRepository
+    ) {
+        $this->quoteIdMaskFactory = $quoteIdMaskFactory;
+        $this->cartRepository = $cartRepository;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function execute(int $quoteId): string
+    {
+        /* Check the quote exists to avoid database constraint issues */
+        $this->cartRepository->get($quoteId);
+
+        $quoteIdMask = $this->quoteIdMaskFactory->create();
+        $quoteIdMask->setQuoteId($quoteId)->save();
+
+        return $quoteIdMask->getMaskedId();
+    }
+}

app/code/Magento/Quote/Model/QuoteIdToMaskedQuoteIdInterface.php

@@ -0,0 +1,24 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\Quote\Model;
+
+use Magento\Framework\Exception\NoSuchEntityException;
+
+/**
+ * Converts quote id to the masked quote id
+ * @api
+ */
+interface QuoteIdToMaskedQuoteIdInterface
+{
+    /**
+     * @param int $quoteId
+     * @return string
+     * @throws NoSuchEntityException
+     */
+    public function execute(int $quoteId): string;
+}

app/code/Magento/Quote/etc/di.xml

@@ -11,6 +11,8 @@
     <preference for="Magento\Quote\Api\Data\ShippingMethodInterface" type="Magento\Quote\Model\Cart\ShippingMethod" />
     <preference for="Magento\Quote\Api\BillingAddressManagementInterface" type="Magento\Quote\Model\BillingAddressManagement" />
     <preference for="Magento\Quote\Model\ShippingAddressManagementInterface" type="Magento\Quote\Model\ShippingAddressManagement" />
+    <preference for="Magento\Quote\Model\MaskedQuoteIdToQuoteIdInterface" type="Magento\Quote\Model\MaskedQuoteIdToQuoteId" />
+    <preference for="Magento\Quote\Model\QuoteIdToMaskedQuoteIdInterface" type="Magento\Quote\Model\QuoteIdToMaskedQuoteId" />
     <preference for="Magento\Quote\Api\Data\AddressInterface" type="Magento\Quote\Model\Quote\Address" />
     <preference for="Magento\Quote\Api\Data\CartItemInterface" type="Magento\Quote\Model\Quote\Item" />
     <preference for="Magento\Quote\Api\Data\CartInterface" type="Magento\Quote\Model\Quote" />

app/code/Magento/QuoteGraphQl/Model/Resolver/Cart/CreateEmptyCart.php

@@ -0,0 +1,89 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\QuoteGraphQl\Model\Resolver\Cart;
+
+use Magento\Authorization\Model\UserContextInterface;
+use Magento\Framework\GraphQl\Config\Element\Field;
+use Magento\Framework\GraphQl\Query\Resolver\Value;
+use Magento\Framework\GraphQl\Query\Resolver\ValueFactory;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+use Magento\Quote\Api\CartManagementInterface;
+use Magento\Quote\Api\GuestCartManagementInterface;
+use Magento\Quote\Model\QuoteIdToMaskedQuoteIdInterface;
+
+/**
+ * @inheritdoc
+ */
+class CreateEmptyCart implements ResolverInterface
+{
+    /**
+     * @var CartManagementInterface
+     */
+    private $cartManagement;
+
+    /**
+     * @var GuestCartManagementInterface
+     */
+    private $guestCartManagement;
+
+    /**
+     * @var ValueFactory
+     */
+    private $valueFactory;
+
+    /**
+     * @var QuoteIdToMaskedQuoteIdInterface
+     */
+    private $quoteIdToMaskedId;
+
+    /**
+     * @var UserContextInterface
+     */
+    private $userContext;
+
+    /**
+     * @param CartManagementInterface $cartManagement
+     * @param GuestCartManagementInterface $guestCartManagement
+     * @param ValueFactory $valueFactory
+     * @param UserContextInterface $userContext
+     * @param QuoteIdToMaskedQuoteIdInterface $quoteIdToMaskedId
+     */
+    public function __construct(
+        CartManagementInterface $cartManagement,
+        GuestCartManagementInterface $guestCartManagement,
+        ValueFactory $valueFactory,
+        UserContextInterface $userContext,
+        QuoteIdToMaskedQuoteIdInterface $quoteIdToMaskedId
+    ) {
+        $this->cartManagement = $cartManagement;
+        $this->guestCartManagement = $guestCartManagement;
+        $this->valueFactory = $valueFactory;
+        $this->userContext = $userContext;
+        $this->quoteIdToMaskedId = $quoteIdToMaskedId;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function resolve(Field $field, $context, ResolveInfo $info, array $value = null, array $args = null) : Value
+    {
+        $customerId = $this->userContext->getUserId();
+
+        if (null !== $customerId) {
+            $quoteId = $this->cartManagement->createEmptyCartForCustomer($customerId);
+            $maskedQuoteId = $this->quoteIdToMaskedId->execute($quoteId);
+        } else {
+            $maskedQuoteId = $this->guestCartManagement->createEmptyCart();
+        }
+
+        return $this->valueFactory->create(function () use ($maskedQuoteId) {
+            return $maskedQuoteId;
+        });
+    }
+}

app/code/Magento/QuoteGraphQl/README.md

@@ -0,0 +1,4 @@
+# QuoteGraphQl
+
+**QuoteGraphQl** provides type and resolver information for the GraphQl module
+to generate quote (cart) information endpoints. Also provides endpoints for modifying a quote.

app/code/Magento/QuoteGraphQl/composer.json

@@ -0,0 +1,27 @@
+{
+    "name": "magento/module-quote-graph-ql",
+    "description": "N/A",
+    "type": "magento2-module",
+    "require": {
+        "php": "~7.1.3||~7.2.0",
+        "magento/framework": "*",
+        "magento/module-authorization": "*",
+        "magento/module-quote": "*"
+    },
+    "suggest": {
+        "magento/module-graph-ql": "*",
+        "magento/module-catalog-graph-ql": "*"
+    },
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Magento\\QuoteGraphQl\\": ""
+        }
+    }
+}

app/code/Magento/QuoteGraphQl/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_QuoteGraphQl"/>
+</config>

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

@@ -0,0 +1,6 @@
+# Copyright © Magento, Inc. All rights reserved.
+# See COPYING.txt for license details.
+
+type Mutation {
+    createEmptyCart: String @resolver(class: "\\Magento\\QuoteGraphQl\\Model\\Resolver\\Cart\\CreateEmptyCart") @doc(description:"Creates empty shopping cart for guest or logged in user")
+}

app/code/Magento/QuoteGraphQl/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_QuoteGraphQl', __DIR__);

composer.json

@@ -184,6 +184,7 @@
         "magento/module-product-video": "*",
         "magento/module-quote": "*",
         "magento/module-quote-analytics": "*",
+        "magento/module-quote-graph-ql": "*",
         "magento/module-release-notification": "*",
         "magento/module-reports": "*",
         "magento/module-require-js": "*",