public ClaimsIdentity SignUp(string email, string password) { try { var existingUser = _context.Users.GetAll().FirstOrDefault(x => x.Email == email); if (existingUser != null) { return(null); } var newUser = new User { Email = email, Password = HashPassword(password), }; var newBankAccount = new BankAccount { AccountNumber = _helperService.GenerateAccountNumber(), UserId = newUser.Id }; _context.Users.Add(newUser); _context.BankAccounts.Add(newBankAccount); _context.Save(); return(new ClaimsIdentity(CreateClaims(email, newUser.Id), JwtBearerDefaults.AuthenticationScheme)); } catch (Exception e) { _logger.LogError(e.Message); throw; } }