public function index()
 {
     if (Auth::user()->type == 'support') {
         parent::$_data['sm'] = ServerMaintenance::where("id_support", '=', Auth::user()->id_user)->get();
         $view = "sm_list";
     } elseif (Auth::user()->type == 'pm') {
         parent::$_data['sm'] = ServerMaintenance::all();
         $view = "sm_list_pm";
     }
     return view("server_maintenance." . $view, parent::$_data);
 }