#31 CMS page/block coverage

app/code/Magento/CmsGraphQl/Model/Resolver/Blocks.php

@@ -0,0 +1,101 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\CmsGraphQl\Model\Resolver;
+
+use Magento\CmsGraphQl\Model\Resolver\DataProvider\Block as BlockDataProvider;
+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\Resolver\Value;
+use Magento\Framework\GraphQl\Query\Resolver\ValueFactory;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+
+/**
+ * CMS blocks field resolver, used for GraphQL request processing
+ */
+class Blocks implements ResolverInterface
+{
+    /**
+     * @var BlockDataProvider
+     */
+    private $blockDataProvider;
+
+    /**
+     * @var ValueFactory
+     */
+    private $valueFactory;
+
+    /**
+     * @param BlockDataProvider $blockDataProvider
+     * @param ValueFactory $valueFactory
+     */
+    public function __construct(
+        BlockDataProvider $blockDataProvider,
+        ValueFactory $valueFactory
+    ) {
+        $this->blockDataProvider = $blockDataProvider;
+        $this->valueFactory = $valueFactory;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) : Value {
+
+        $result = function () use ($args) {
+            $blockIdentifiers = $this->getBlockIdentifiers($args);
+            $blocksData = $this->getBlocksData($blockIdentifiers);
+
+            $resultData = [
+                'items' => $blocksData,
+            ];
+            return $resultData;
+        };
+        return $this->valueFactory->create($result);
+    }
+
+    /**
+     * @param array $args
+     * @return string[]
+     * @throws GraphQlInputException
+     */
+    private function getBlockIdentifiers(array $args): array
+    {
+        if (!isset($args['identifiers']) || !is_array($args['identifiers']) || count($args['identifiers']) === 0) {
+            throw new GraphQlInputException(__('"identifiers" of CMS blocks should be specified'));
+        }
+
+        return $args['identifiers'];
+    }
+
+    /**
+     * @param array $blockIdentifiers
+     * @return array
+     * @throws GraphQlNoSuchEntityException
+     */
+    private function getBlocksData(array $blockIdentifiers): array
+    {
+        $blocksData = [];
+        try {
+            foreach ($blockIdentifiers as $blockIdentifier) {
+                $blocksData[$blockIdentifier] = $this->blockDataProvider->getData($blockIdentifier);
+            }
+        } catch (NoSuchEntityException $e) {
+            throw new GraphQlNoSuchEntityException(__($e->getMessage()), $e);
+        }
+        return $blocksData;
+    }
+}

app/code/Magento/CmsGraphQl/Model/Resolver/DataProvider/Block.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\CmsGraphQl\Model\Resolver\DataProvider;
+
+use Magento\Cms\Api\BlockRepositoryInterface;
+use Magento\Cms\Api\Data\BlockInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Widget\Model\Template\FilterEmulate;
+
+/**
+ * Cms block data provider
+ */
+class Block
+{
+    /**
+     * @var BlockRepositoryInterface
+     */
+    private $blockRepository;
+
+    /**
+     * @var FilterEmulate
+     */
+    private $widgetFilter;
+
+    /**
+     * @param BlockRepositoryInterface $blockRepository
+     * @param FilterEmulate $widgetFilter
+     */
+    public function __construct(
+        BlockRepositoryInterface $blockRepository,
+        FilterEmulate $widgetFilter
+    ) {
+        $this->blockRepository = $blockRepository;
+        $this->widgetFilter = $widgetFilter;
+    }
+
+    /**
+     * @param string $blockIdentifier
+     * @return array
+     * @throws NoSuchEntityException
+     */
+    public function getData(string $blockIdentifier): array
+    {
+        $block = $this->blockRepository->getById($blockIdentifier);
+
+        if (false === $block->isActive()) {
+            throw new NoSuchEntityException();
+        }
+
+        $renderedContent = $this->widgetFilter->filter($block->getContent());
+
+        $blockData = [
+            BlockInterface::IDENTIFIER => $block->getIdentifier(),
+            BlockInterface::TITLE => $block->getTitle(),
+            BlockInterface::CONTENT => $renderedContent,
+        ];
+        return $blockData;
+    }
+}

app/code/Magento/CmsGraphQl/Model/Resolver/DataProvider/Page.php

@@ -0,0 +1,69 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\CmsGraphQl\Model\Resolver\DataProvider;
+
+use Magento\Cms\Api\Data\PageInterface;
+use Magento\Cms\Api\PageRepositoryInterface;
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Widget\Model\Template\FilterEmulate;
+
+/**
+ * Cms page data provider
+ */
+class Page
+{
+    /**
+     * @var FilterEmulate
+     */
+    private $widgetFilter;
+
+    /**
+     * @var PageRepositoryInterface
+     */
+    private $pageRepository;
+
+    /**
+     * @param PageRepositoryInterface $pageRepository
+     * @param FilterEmulate $widgetFilter
+     */
+    public function __construct(
+        PageRepositoryInterface $pageRepository,
+        FilterEmulate $widgetFilter
+    ) {
+        $this->pageRepository = $pageRepository;
+        $this->widgetFilter = $widgetFilter;
+    }
+
+    /**
+     * @param int $pageId
+     * @return array
+     * @throws NoSuchEntityException
+     */
+    public function getData(int $pageId): array
+    {
+        $page = $this->pageRepository->getById($pageId);
+
+        if (false === $page->isActive()) {
+            throw new NoSuchEntityException();
+        }
+
+        $renderedContent = $this->widgetFilter->filter($page->getContent());
+
+        $pageData = [
+            'url_key' => $page->getIdentifier(),
+            PageInterface::TITLE => $page->getTitle(),
+            PageInterface::CONTENT => $renderedContent,
+            PageInterface::CONTENT_HEADING => $page->getContentHeading(),
+            PageInterface::PAGE_LAYOUT => $page->getPageLayout(),
+            PageInterface::META_TITLE => $page->getMetaTitle(),
+            PageInterface::META_DESCRIPTION => $page->getMetaDescription(),
+            PageInterface::META_KEYWORDS => $page->getMetaKeywords(),
+        ];
+        return $pageData;
+    }
+}

app/code/Magento/CmsGraphQl/Model/Resolver/Page.php

@@ -0,0 +1,95 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+declare(strict_types=1);
+
+namespace Magento\CmsGraphQl\Model\Resolver;
+
+use Magento\CmsGraphQl\Model\Resolver\DataProvider\Page as PageDataProvider;
+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\Resolver\Value;
+use Magento\Framework\GraphQl\Query\Resolver\ValueFactory;
+use Magento\Framework\GraphQl\Query\ResolverInterface;
+use Magento\Framework\GraphQl\Schema\Type\ResolveInfo;
+
+/**
+ * CMS page field resolver, used for GraphQL request processing
+ */
+class Page implements ResolverInterface
+{
+    /**
+     * @var PageDataProvider
+     */
+    private $pageDataProvider;
+
+    /**
+     * @var ValueFactory
+     */
+    private $valueFactory;
+
+    /**
+     * @param PageDataProvider $pageDataProvider
+     * @param ValueFactory $valueFactory
+     */
+    public function __construct(
+        PageDataProvider $pageDataProvider,
+        ValueFactory $valueFactory
+    ) {
+        $this->pageDataProvider = $pageDataProvider;
+        $this->valueFactory = $valueFactory;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function resolve(
+        Field $field,
+        $context,
+        ResolveInfo $info,
+        array $value = null,
+        array $args = null
+    ) : Value {
+
+        $result = function () use ($args) {
+            $pageId = $this->getPageId($args);
+            $pageData = $this->getPageData($pageId);
+
+            return $pageData;
+        };
+        return $this->valueFactory->create($result);
+    }
+
+    /**
+     * @param array $args
+     * @return int
+     * @throws GraphQlInputException
+     */
+    private function getPageId(array $args): int
+    {
+        if (!isset($args['id'])) {
+            throw new GraphQlInputException(__('"Page id should be specified'));
+        }
+
+        return (int)$args['id'];
+    }
+
+    /**
+     * @param int $pageId
+     * @return array
+     * @throws GraphQlNoSuchEntityException
+     */
+    private function getPageData(int $pageId): array
+    {
+        try {
+            $pageData = $this->pageDataProvider->getData($pageId);
+        } catch (NoSuchEntityException $e) {
+            throw new GraphQlNoSuchEntityException(__($e->getMessage()), $e);
+        }
+        return $pageData;
+    }
+}

app/code/Magento/CmsGraphQl/README.md

@@ -0,0 +1,4 @@
+# CmsGraphQl
+
+**CmsGraphQl** provides type information for the GraphQl module
+to generate CMS fields for cms information endpoints.

app/code/Magento/CmsGraphQl/composer.json

@@ -0,0 +1,23 @@
+{
+    "name": "magento/module-cms-graph-ql",
+    "description": "N/A",
+    "type": "magento2-module",
+    "require": {
+        "php": "~7.1.3||~7.2.0",
+        "magento/framework": "*",
+        "magento/module-cms": "*",
+        "magento/module-widget": "*"
+    },
+    "license": [
+        "OSL-3.0",
+        "AFL-3.0"
+    ],
+    "autoload": {
+        "files": [
+            "registration.php"
+        ],
+        "psr-4": {
+            "Magento\\CmsGraphQl\\": ""
+        }
+    }
+}

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

@@ -0,0 +1,14 @@
+<?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_CmsGraphQl">
+        <sequence>
+            <module name="Magento_GraphQl"/>
+        </sequence>
+    </module>
+</config>