GraphQL query support for ezxmltext field type

bundle/DependencyInjection/Compiler/XmlTextGraphqlSchemaPass.php

@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * This file is part of the eZ Platform XmlText Field Type package.
+ *
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ *
+ * @version //autogentag//
+ */
+namespace EzSystems\EzPlatformXmlTextFieldTypeBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+/**
+ * Compiler pass adding GraphQL schema mapping for ezxmltext field type.
+ */
+class XmlTextGraphqlSchemaPass implements CompilerPassInterface
+{
+    private const SCHEMA_FIELD_TYPES = 'ezplatform_graphql.schema.content.mapping.field_definition_type';
+
+    public function process(ContainerBuilder $container)
+    {
+        $graphqlSchemaDef = $container->hasParameter(self::SCHEMA_FIELD_TYPES) ? $container->getParameter(self::SCHEMA_FIELD_TYPES) : [];
+
+        $graphqlSchemaDef['ezxmltext'] = ['value_type' => 'XmlTextFieldValue'];
+        $container->setParameter(self::SCHEMA_FIELD_TYPES, $graphqlSchemaDef);
+    }
+}

bundle/EzSystemsEzPlatformXmlTextFieldTypeBundle.php

@@ -11,6 +11,7 @@
 namespace EzSystems\EzPlatformXmlTextFieldTypeBundle;
 
 use EzSystems\EzPlatformXmlTextFieldTypeBundle\DependencyInjection\Compiler\XmlTextConverterPass;
+use EzSystems\EzPlatformXmlTextFieldTypeBundle\DependencyInjection\Compiler\XmlTextGraphqlSchemaPass;
 use EzSystems\EzPlatformXmlTextFieldTypeBundle\DependencyInjection\Configuration\Parser as ConfigParser;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
@@ -22,6 +23,7 @@ public function build(ContainerBuilder $container)
         parent::build($container);
 
         $container->addCompilerPass(new XmlTextConverterPass());
+        $container->addCompilerPass(new XmlTextGraphqlSchemaPass());
 
         /**
          * @var \eZ\Bundle\EzPublishCoreBundle\DependencyInjection\EzPublishCoreExtension

bundle/GraphQL/Resolver/XmlTextResolver.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * @copyright Copyright (C) eZ Systems AS. All rights reserved.
+ * @license For full copyright and license information view LICENSE file distributed with this source code.
+ */
+namespace EzSystems\EzPlatformXmlTextFieldTypeBundle\GraphQL\Resolver;
+
+use DOMDocument;
+use eZ\Publish\Core\FieldType\XmlText\Converter\Html5 as Html5Converter;
+
+/**
+ * @internal
+ */
+class XmlTextResolver
+{
+    /**
+     * @var Html5Converter
+     */
+    private $xmlTextConverter;
+
+    public function __construct(Html5Converter $xmlTextConverter)
+    {
+        $this->xmlTextConverter = $xmlTextConverter;
+    }
+
+    public function xmlTextToHtml5(DOMDocument $document)
+    {
+        return $this->xmlTextConverter->convert($document);
+    }
+}

bundle/Resources/config/graphql/Field.types.yml

@@ -0,0 +1,20 @@
+XmlTextFieldValue:
+    type: object
+    config:
+        fields:
+            text:
+                type: "String"
+                description: "String representation of the value"
+                resolve: "@=value"
+            xml:
+                type: "String"
+                description: "The raw xml"
+                resolve: "@=value"
+            plaintext:
+                type: "String"
+                description: "Plain text representation of the value, without tags. Warning: the text representation may not be perfect."
+                resolve: "@=value.xml.textContent"
+            html5:
+                type: "String"
+                description: "HTML5 representation."
+                resolve: "@=resolver('XmlTextToHtml5', [value.xml])"

bundle/Resources/config/services.yml

@@ -42,3 +42,10 @@ services:
             - "@ezpublish.api.repository"
             - "@?logger"
             - "@ezpublish.fieldType.ezrichtext.validator.docbook"
+
+    ezxmltext.graphql.resolver:
+        class: EzSystems\EzPlatformXmlTextFieldTypeBundle\GraphQL\Resolver\XmlTextResolver
+        arguments:
+            - "@ezpublish.fieldType.ezxmltext.converter.html5"
+        tags:
+            - { name: overblog_graphql.resolver, alias: "XmlTextToHtml5", method: "xmlTextToHtml5" }