public function imgProfile()
 {
     $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 = $m->imgProfile($nick, $_FILES['fileImgProfile']);
     }
     $target_path = "web/images/users/";
     $target_path = $target_path . basename($_FILES['fileImgProfile']['name']);
     //$ext = pathinfo($target_path, PATHINFO_EXTENSION);
     if (move_uploaded_file($_FILES["fileImgProfile"]["tmp_name"], 'web/images/users/' . $_FILES['fileImgProfile']['name'])) {
         rename("{$target_path}", "web/images/users/" . $nick . ".jpg");
     }
     header("Refresh:0; url=./profile");
 }