private static bool ValidateUser(UserDto user, List <ValidationResult> validationResults)
{
if (_userRegistrationService.UserNameExist(user.UserName))
{
validationResults.Add(new ValidationResult("This username already exists."));
return(false);
}
if (_userRegistrationService.EmailExist(user.EmailAddress))
{
validationResults.Add(new ValidationResult("This email address already registered."));
return(false);
}
return(true);
}