public async Task <string> RegisterAsync(UserModel userModel, string password) { var user = new User { UserName = userModel.UserName, Email = userModel.Email, DefaultCurrencyID = userModel.DefaultCurrencyID }; var result = await _userManager.CreateAsync(user, password); if (result.Succeeded) { _categoryService.AddDefaultCategories(user.Id); _emailSenderService.SendRegistrationEmail(user.Email); } else { string _errors = string.Empty; foreach (var error in result.Errors) { _errors = $"{_errors}{error};"; } throw new Exception(_errors); } return(user.Id); }