public function changePasswordProfile()
 {
     $nick = $_SESSION['username'];
     $m = new Model(Config::$mvc_bd_nombre, Config::$mvc_bd_usuario, Config::$mvc_bd_clave, Config::$mvc_bd_hostname);
     if ($_SERVER['REQUEST_METHOD'] == 'POST') {
         $result = $m->confPasswordCurrent($nick, $_POST['passActual']);
         if ($result == 'passConf') {
             $result = $m->changePasswordProfile($nick, $_POST['passNuevo']);
             if ($result == 'passChange') {
                 header("Location: ./profile");
             } else {
                 header("Location: ./error");
             }
         } else {
             $text = "UPS! La contrase&ntildea actual no es correcta";
             require __DIR__ . '/templates/errorAlertUser.php';
         }
     }
 }