public AuthUserResponseModel Create(AuthUser appUser)
 {
     return new AuthUserResponseModel
     {
         Url = _urlHelper.Link("GetUserById", new { id = appUser.Id }),
         Id = appUser.Id,
         Domain = appUser.Domain,
         UserName = appUser.UserName,
         DisplayName = appUser.DisplayName,
         Roles = _authUserManager.GetRolesAsync(appUser.Id).Result,
         Claims = _authUserManager.GetClaimsAsync(appUser.Id).Result
     };
 }
        public async Task<IHttpActionResult> CreateAuthUser(AuthUserBindingModel newUser)
        {
            if(!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var user = new AuthUser()
            {
                UserName = newUser.UserName,
                Email = newUser.Email,
                Domain = newUser.Domain
            };

            //IdentityResult addUserResult = await this.AppUserManager.CreateAsync(user, newUser.Password);
            IdentityResult addUserResult = await this.AuthUserManager.CreateAsync(user, newUser.Password);

            if (!addUserResult.Succeeded)
            {
                return GetErrorResult(addUserResult);
            }

            try {
                string code = await this.AuthUserManager.GenerateEmailConfirmationTokenAsync(user.Id);
                var callbackUrl = new Uri(Url.Link("ConfirmEmailRoute", new { userId = user.Id, code = code }));

                await this.AuthUserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
           
            Uri locationHeader = new Uri(Url.Link("GetAuthUserById", new { id = user.Id }));

            return Created(locationHeader, AuthModelFactory.Create(user));
        }