Gab Social. All are welcome.

app/serializers/rest/group_relationship_serializer.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class REST::GroupRelationshipSerializer < ActiveModel::Serializer
+  attributes :id, :member, :admin
+
+  def id
+    object.id.to_s
+  end
+
+  def member
+    instance_options[:relationships].member[object.id] ? true : false
+  end
+
+  def admin
+    instance_options[:relationships].admin[object.id] ? true : false
+  end
+end