1 files changed, 21 insertions, 7 deletions
diff --git a/app/controllers/dashboard/groups_controller.rb b/app/controllers/dashboard/groups_controller.rb
index d03265e9f20..742157d113d 100644
--- a/app/controllers/dashboard/groups_controller.rb
+++ b/app/controllers/dashboard/groups_controller.rb
@@ -1,16 +1,30 @@
 class Dashboard::GroupsController < Dashboard::ApplicationController
   def index
-    @group_members = current_user.group_members.includes(source: :route).joins(:group)
-    @group_members = @group_members.merge(Group.search(params[:filter_groups])) if params[:filter_groups].present?
-    @group_members = @group_members.merge(Group.sort(@sort = params[:sort]))
-    @group_members = @group_members.page(params[:page])
+    @groups =
+      if params[:parent_id] && Group.supports_nested_groups?
+        parent = Group.find_by(id: params[:parent_id])
+
+        if can?(current_user, :read_group, parent)
+          GroupsFinder.new(current_user, parent: parent).execute
+        else
+          Group.none
+        end
+      else
+        current_user.groups
+      end
+
+    @groups = @groups.search(params[:filter_groups]) if params[:filter_groups].present?
+    @groups = @groups.includes(:route)
+    @groups = @groups.sort(@sort = params[:sort])
+    @groups = @groups.page(params[:page])
 
     respond_to do |format|
       format.html
       format.json do
-        render json: {
-          html: view_to_html_string("dashboard/groups/_groups", locals: { group_members: @group_members })
-        }
+        render json: GroupSerializer
+          .new(current_user: @current_user)
+          .with_pagination(request, response)
+          .represent(@groups)
       end
     end
   end