frist graphql query to materio_graphql schema is working

going to refactor every thing with graphql

web/modules/custom/materio_graphql/graphql/materio_extension.base.graphqls

@@ -1,5 +1,3 @@
-type Mutation
-
 scalar Violation
 
 type Materiau {
@@ -12,18 +10,35 @@ type Materiau {
   images: [Image]
 }
 
-type MateriauResponse implements Response {
-  errors: [Violation]
-  materiau: Materiau
-}
-
-interface Response {
-  errors: [Violation]
-}
-
-input MateriauInput {
+type Article {
+  id: Int!
+  uuid: String!
   title: String!
-  description: String
+  author: String
+  body: String
+  linked_materials: [Materiau]
+  images: [Image]
+  videos: [VideoLink]
+  # date: [String]
+  # showroom: [Showroom]
+  # source: Link
+  # tags: []
+  # thesaurus: []
+}
+
+# type Showroom {
+#   id: Int!
+#   uuid: String!
+# }
+#
+#
+# type Link {
+#   url: String!
+#   title: String
+# }
+
+type VideoLink {
+  url: String
 }
 
 type Image {

web/modules/custom/materio_graphql/graphql/materio_extension.extension.graphqls

@@ -2,6 +2,6 @@ extend type Query {
   materiau(id: Int!): Materiau
 }
 
-extend type Mutation {
-  createMateriau(data: MateriauInput): MateriauResponse
+extend type Query {
+  article(id: Int!): Article
 }

web/modules/custom/materio_graphql/src/Plugin/GraphQL/SchemaExtension/MaterioSchemaExtension.php

@@ -24,31 +24,14 @@ class MaterioSchemaExtension extends SdlSchemaExtensionPluginBase {
   public function registerResolvers(ResolverRegistryInterface $registry) {
     $builder = new ResolverBuilder();
 
+    // Materiau
     $registry->addFieldResolver('Query', 'materiau',
       $builder->produce('entity_load')
         ->map('type', $builder->fromValue('node'))
         ->map('bundles', $builder->fromValue(['materiau']))
         ->map('id', $builder->fromArgument('id'))
     );
-
-    // Create materiau mutation.
-    $registry->addFieldResolver('Mutation', 'createMateriau',
-      $builder->produce('create_materiau')
-        ->map('data', $builder->fromArgument('data'))
-    );
-
-    $registry->addFieldResolver('MateriauResponse', 'materiau',
-      $builder->callback(function (MateriauResponse $response) {
-        return $response->materiau();
-      })
-    );
-
-    $registry->addFieldResolver('MateriauResponse', 'errors',
-      $builder->callback(function (MateriauResponse $response) {
-        return $response->getViolations();
-      })
-    );
-
+    
     $registry->addFieldResolver('Materiau', 'id',
       $builder->produce('entity_id')
         ->map('entity', $builder->fromParent())
@@ -99,6 +82,84 @@ class MaterioSchemaExtension extends SdlSchemaExtensionPluginBase {
         ->map('field', $builder->fromValue('field_materiau_images'))
     );
 
+    // Article
+    $registry->addFieldResolver('Query', 'article',
+      $builder->produce('entity_load')
+        ->map('type', $builder->fromValue('node'))
+        ->map('bundles', $builder->fromValue(['article']))
+        ->map('id', $builder->fromArgument('id'))
+    );
+    // $registry->addFieldResolver('ArticleResponse', 'article',
+    //   $builder->callback(function (ArticleResponse $response) {
+    //     return $response->article();
+    //   })
+    // );
+
+    $registry->addFieldResolver('Article', 'id',
+      $builder->produce('entity_id')
+        ->map('entity', $builder->fromParent())
+    );
+
+    $registry->addFieldResolver('Article', 'uuid',
+      $builder->produce('entity_uuid')
+        ->map('entity', $builder->fromParent())
+    );
+
+    $registry->addFieldResolver('Article', 'title',
+      $builder->compose(
+        $builder->produce('entity_label')
+          ->map('entity', $builder->fromParent())
+      )
+    );
+
+    $registry->addFieldResolver('Article', 'author',
+      $builder->compose(
+        $builder->produce('entity_owner')
+          ->map('entity', $builder->fromParent()),
+        $builder->produce('entity_label')
+          ->map('entity', $builder->fromParent())
+      )
+    );
+
+    $registry->addFieldResolver('Article', 'body',
+      $builder->produce('property_path')
+      ->map('type', $builder->fromValue('entity:node'))
+      ->map('value', $builder->fromParent())
+      ->map('path', $builder->fromValue('body.value'))
+    );
+
+    // https://github.com/drupal-graphql/graphql/blob/8.x-4.x/doc/SUMMARY.md
+    // https://blog.chrismitchellonline.com/posts/custom_graphql_data/
+    $registry->addFieldResolver('Article', 'linked_materials',
+      $builder->compose(
+        $builder->produce('entity_reference')
+          ->map('entity', $builder->fromParent())
+          ->map('field', $builder->fromValue('field_linked_materials'))
+      )
+    );
+
+    $registry->addFieldResolver('Article', 'images',
+      $builder->produce('entity_reference')
+        ->map('entity', $builder->fromParent())
+        ->map('field', $builder->fromValue('field_visuel'))
+    );
+
+    $registry->addFieldResolver('Article', 'videos',
+      $builder->produce('property_path')
+        ->map('type', $builder->fromValue('entity:node'))
+        ->map('value', $builder->fromParent())
+        ->map('path', $builder->fromValue('field_video'))
+    );
+
+    // VideoLink
+    $registry->addFieldResolver('VideoLink', 'url',
+      $builder->produce('property_path')
+        ->map('type', $builder->fromValue('field_item:video_embed_field'))
+        ->map('value', $builder->fromParent())
+        ->map('path', $builder->fromValue('value'))
+    );
+
+    // Image
     $registry->addFieldResolver('Image', 'id',
       $builder->produce('entity_id')
         ->map('entity', $builder->fromParent())
@@ -122,7 +183,6 @@ class MaterioSchemaExtension extends SdlSchemaExtensionPluginBase {
         ->map('style', $builder->fromValue('card_medium_half'))
     );
 
-
     // Response type resolver.
     $registry->addTypeResolver('Response', [
       __CLASS__,