Converting schemas to plugins. (#365)

Author: fubhy

src/Plugin/Deriver/EntityToJsonDeriver.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\graphql_json\Plugin\Deriver;
+
+use Drupal\Component\Plugin\Derivative\DeriverBase;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
+use Drupal\responsive_image\Entity\ResponsiveImageStyle;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Only add the field if the serializer module is enabled.
+ */
+class EntityToJsonDeriver extends DeriverBase implements ContainerDeriverInterface {
+
+  /**
+   *  The module handler service.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container, $basePluginId) {
+    return new static(
+      $container->get('module_handler')
+    );
+  }
+
+  /**
+   * Creates a EntityToJsonDeriver object.
+   *
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $moduleHandler
+   *   The module handler service.
+   */
+  public function __construct(ModuleHandlerInterface $moduleHandler) {
+    $this->moduleHandler = $moduleHandler;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDerivativeDefinitions($basePluginDefinition) {
+    if ($this->moduleHandler->moduleExists('serialization')) {
+      $this->derivatives['entity_to_json'] = $basePluginDefinition;
+    }
+
+    return parent::getDerivativeDefinitions($basePluginDefinition);
+  }
+
+}

src/Plugin/GraphQL/Fields/EntityToJson.php

@@ -4,7 +4,6 @@
 
 use Drupal\Core\DependencyInjection\DependencySerializationTrait;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
-use Drupal\graphql\Annotation\GraphQLField;
 use Drupal\graphql\Plugin\GraphQL\Fields\FieldPluginBase;
 use Symfony\Component\DependencyInjection\ContainerInterface;
 use Symfony\Component\Serializer\SerializerInterface;
@@ -17,7 +16,8 @@
  *   id = "entity_to_json",
  *   name = "toJson",
  *   type = "JsonObject",
- *   types = {"Entity"}
+ *   types = {"Entity"},
+ *   deriver = "\Drupal\graphql_json\Plugin\Deriver\EntityToJsonDeriver"
  * )
  */
 class EntityToJson extends FieldPluginBase implements ContainerFactoryPluginInterface {
@@ -39,14 +39,12 @@ public static function create(
     $plugin_id,
     $plugin_definition
   ) {
-    if ($container->get('module_handler')->moduleExists('serialization')) {
-      return new static(
-        $configuration,
-        $plugin_id,
-        $plugin_definition,
-        $container->get('serializer')
-      );
-    }
+    return new static(
+      $configuration,
+      $plugin_id,
+      $plugin_definition,
+      $container->get('serializer')
+    );
   }
 
   /**
@@ -70,5 +68,4 @@ protected function resolveValues($value, array $args, ResolveInfo $info) {
     yield json_decode($this->serializer->serialize($value, 'json'), TRUE);
   }
 
-
 }

src/Plugin/GraphQL/Fields/JsonPathToEntity.php

@@ -66,7 +66,6 @@ public function __construct(
     parent::__construct($configuration, $pluginId, $pluginDefinition);
   }
 
-
   /**
    * {@inheritdoc}
    */

src/Plugin/GraphQL/Fields/JsonResponseContent.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace Drupal\graphql_json\Plugin\Graphql\Fields;
+namespace Drupal\graphql_json\Plugin\GraphQL\Fields;
 
 use Drupal\graphql_core\Plugin\GraphQL\Fields\ResponseContent;
 use Youshido\GraphQL\Execution\ResolveInfo;