public function validateUser($userName, $password, AuthenticationManager $authenticationManager)
{
ResultHelper::whenEqual($password, null, AppLabelUtil::$ERROR_USER_NOT_FOUND, HttpStatusCode::badRequest());
$user = $this->userService->validateUser($userName, $password);
ResultHelper::whenEmpty($user, AppLabelUtil::$ERROR_USER_NOT_FOUND, HttpStatusCode::unauthorized());
$token = Hash::create("sha256", mcrypt_create_iv(64, MCRYPT_DEV_URANDOM), HASH_USER_TOKEN_KEY);
$authenticationManager->createValidationToken($user->getId(), $user->getRole()->getName(), $token);
return $this->userMapper->mapUserToDto($user, $token);
}