public function postLogin(UserModel $user)
 {
     if (!Auth::validateUser($user->username, $user->password)) {
         Session::setError('Wrong credentials');
         Redirect::back();
     }
     Redirect::to('');
 }
 public function postLogin(UserModel $user)
 {
     if (!Auth::validateUser($user->username, $user->password)) {
         Session::setError('wrong credentials');
         Redirect::back();
     }
     if ($this->user->isBanned(Auth::getUserId())['is_banned'] == true) {
         Auth::removeAuth();
         Session::setError('you are banned');
         Redirect::back();
     }
     Redirect::to('');
 }