public async Task <ActionResult> Register(RegisterViewModel model)
        {
            var user = new ApplicationUser {
                FirstName = model.FirstName, LastName = model.LastName, UserName = model.UserName, Email = model.Email, ZipCode = model.ZipCode
            };
            IdentityResult result = await _userManager.CreateAsync(user, model.Password);

            if (result.Succeeded)
            {
                // string newUserId = this.User.FindFirst(ClaimTypes.NameIdentifier)?.Value;
                string newUserId = user.Id;
                Console.WriteLine(">>>>>>>>>>>>>>>>>>>>> YOUR USER ID: " + newUserId);
                var newAPIUser = new APIUser {
                    UserId = newUserId
                };
                APIUser.Post(newAPIUser);
                return(RedirectToAction("Login"));
            }
            else
            {
                return(View());
            }
        }