public UserDBModel CreateAsync(UserDBModel user)
{
// validation
_userAuthenticate.ValidateUser(user);
var newUser = _userAuthenticate.AddUserToDatabase(user);
var newMessage = _mailService.GenerateMessageForUserVerification(UserController.ClientBaseUrl, TokenManager.GenerateRegisterToken(newUser.VeryficationToken));
_mailService.SendMail(newUser.Email, newMessage.Item1, newMessage.Item2);
BackgroundTask task = new BackgroundTask(_logger, _scopeFactory);
Task.Factory.StartNew(() => task.RemoveUnverifiedUserAsync(user.VeryficationToken));
return(user);
}