/**
  * Unpublish items
  *
  * @param  UpdateStateRequest $request
  * @return \Illuminate\Http\Response
  */
 public function unpublish(UpdateStateRequest $request)
 {
     $items = $request->input('items');
     $request->session()->flash('alert-success', 'Selected menus has been unpublished!');
     return Menu::whereIn('id', $items)->update(['state' => 0]);
 }