static function handle()
 {
     $bd = new DB();
     $gestor = new ManagerArtista($bd);
     $sesion = new Session();
     $sesion->checkSession();
     if ($sesion->checkPermissions() < 1) {
         $sesion->destroy();
         $sesion->sendRedirect();
     }
     $action = Request::req("action");
     $do = Request::req("do");
     $metodo = $action . ucfirst($do);
     if (method_exists(get_class(), $metodo)) {
         self::$metodo($gestor, $sesion);
     } else {
         self::readView($gestor, $sesion);
     }
 }