public ActionResult Register(string username, string email, string password) { var user = _usersProvider.GetByEmail(email); if (user != null) { throw new Exception("User with that email already exists."); } user = new User { Username = username, Email = email, Password = password, DateJoined = DateTime.Now }; try { _usersProvider.Insert(user); _usersProvider.Save(); } catch (Exception exception) { //decide if additional format should be returned throw; } var token = IdentitySignin(new UserDto(user)); return(Json(new { accessToken = token, userName = username })); }