NEW: Compliance with new SchemaConfig API (#2617)

_config/graphql.yml

@@ -3,13 +3,6 @@ Name: cms-graphql
 Only:
   classexists: 'SilverStripe\GraphQL\Schema\Schema'
 ---
-SilverStripe\Core\Injector\Injector:
-  SilverStripe\GraphQL\Schema\Registry\ResolverRegistry:
-    constructor:
-      cmsResolver: '%$SilverStripe\CMS\GraphQL\Resolver'
-  SilverStripe\GraphQL\Schema\Registry\PluginRegistry:
-    constructor:
-      linkable: '%$SilverStripe\CMS\GraphQL\LinkablePlugin'
 SilverStripe\CMS\Model\SiteTree:
   graphql_blacklisted_fields:
     HasBrokenFile: true
@@ -20,28 +13,5 @@ SilverStripe\CMS\Model\SiteTree:
 SilverStripe\GraphQL\Schema\Schema:
   schemas:
     admin:
-      models:
+      src:
-        Page:
+        - 'silverstripe/cms: _graphql'
-          fields:
-            id: true
-            lastEdited: true
-            absoluteLink:
-              type: String
-          operations:
-            copyToStage: true
-            rollback: true
-            readOne: true
-        SilverStripe\Security\Member:
-          fields:
-            id: true
-            firstName: true
-            surname: true
-          operations:
-            readOne: true
-      modelConfig:
-        DataObject:
-          operations:
-            read:
-              plugins:
-                getByLink:
-                  after: filter

_graphql/config.yml

@@ -0,0 +1,9 @@
+resolvers:
+  - 'SilverStripe\CMS\GraphQL\Resolver'
+modelConfig:
+  DataObject:
+    operations:
+      read:
+        plugins:
+          getByLink:
+            after: filter

_graphql/models.yml

@@ -0,0 +1,17 @@
+Page:
+  fields:
+    id: true
+    lastEdited: true
+    absoluteLink:
+      type: String
+  operations:
+    copyToStage: true
+    rollback: true
+    readOne: true
+SilverStripe\Security\Member:
+  fields:
+    id: true
+    firstName: true
+    surname: true
+  operations:
+    readOne: true

code/GraphQL/Resolver.php

@@ -4,13 +4,8 @@
 namespace SilverStripe\CMS\GraphQL;
 
 use SilverStripe\CMS\Model\SiteTree;
-use SilverStripe\GraphQL\Schema\Resolver\DefaultResolverProvider;
 
-if (!class_exists(DefaultResolverProvider::class)) {
+class Resolver
-    return;
-}
-
-class Resolver extends DefaultResolverProvider
 {
     public static function resolveGetPageByLink($obj, array $args = [])
     {