public async Task<bool> CreateAccount(NewAccountViewModel model)
        {
            var username = HttpContext.Current.User.Identity.Name;
            User user = await _userManager.FindByNameAsync(username);

            Account account = new Account
            {
                UserId = user.Id,
                Household = user.Household,
                Name = model.Name
            };

            // Id of newly inserted account is returned.
            bool result = await _accountData.InsertAccountAsync(account);

            return result;
        }
        public async Task<IList<AccountDetailViewModel>> Create(NewAccountViewModel model)
        {
            if (!ModelState.IsValid)
            {
                throw new HttpResponseException(HttpStatusCode.BadRequest); // HTTP STATUS CODE: 400
            }

            bool result = await AccountManager.CreateAccount(model);
            if (!result)
                throw new HttpResponseException(HttpStatusCode.InternalServerError);

            IList<AccountDetailViewModel> accounts = await AccountManager.GetAccounts();
            if (accounts == null)
                throw new HttpResponseException(HttpStatusCode.NotFound);

            return accounts;
        }