public async Task <IActionResult> ProvjeriKod(UporediKodZaKonfirmacijuTelefonaVM model)
        {
            if (ModelState.IsValid)
            {
                if (model.Operacija == "Registracija")
                {
                    var user = await _userManager.GetUserAsync(HttpContext.User);

                    if (user != null)
                    {
                        await _userManager.SetTwoFactorEnabledAsync(user, true);

                        user.PhoneNumberConfirmed = true;
                        _db.SaveChanges();
                    }
                }
                else if (model.Operacija == "Login")
                {
                    var user = await _userManager.FindByNameAsync(model.userName);

                    if (user != null)
                    {
                        await _signInManager.SignInAsync(user, true);
                    }
                }
                return(RedirectToAction("Index", "Home"));
            }

            return(View("PotvrdiKod", model));
        }
        public IActionResult ConfirmPhoneNumberPost(string brTelefona, string Operacija, string userName)
        {
            string kod = "";
            Random rnd = new Random();

            int[] rndnNiz = new int[6];
            for (int i = 0; i < 6; i++)
            {
                rndnNiz[i] = rnd.Next(0, 9);
                kod       += rndnNiz[i].ToString();
            }
            UporediKodZaKonfirmacijuTelefonaVM model = new UporediKodZaKonfirmacijuTelefonaVM()
            {
                GenerisaniKod = kod,
                Operacija     = Operacija,
                userName      = userName
            };

            TwilioClient.Init("AC7c8efc4e05d92e420e0b9c623425c404", "9e281b938bc10707504a2aba139524e9");
            var mess = MessageResource.Create
                       (
                body: "Vasa kod je: " + kod,
                from: new Twilio.Types.PhoneNumber("+12183044332"),
                to: new Twilio.Types.PhoneNumber(brTelefona)
                       );

            return(View("PotvrdiKod", model));
        }