public async Task<string> ValidateUser(UserGetOptions options)
{
try
{
_logger.LogInformation("Start user name and email validating.");
string result = ValidationUtilities.ValidateUserName(options.Username);
if (!string.IsNullOrEmpty(result))
return result;
result = ValidationUtilities.ValidateEmail(options.Email);
if (!string.IsNullOrEmpty(result))
return result;
var users = await _dao.Get(options);
if (users.Where(o => o.Username != options.Username).Count() > 0)
{
string message = "User with same user name or email have been already created. Please try another or try to sign in.";
_logger.LogInformation(message);
return message;
}
_logger.LogInformation("User name and email successfuly validated.");
return null;
}
catch (Exception exception)
{
_logger.LogError(exception.Message);
throw exception;
}
}