public async Task <IActionResult> AddPhoneNumber(AddPhoneNumberViewModel model)
{
if (!ModelState.IsValid)
{
return(View(model));
}
// Generate the token and send it
var user = await userManager.FindByIdAsync(HttpContext.User.GetUserId());
var code = await userManager.GenerateChangePhoneNumberTokenAsync(user, model.Number);
await smsSender.SendSmsAsync(model.Number, "Your security code is: " + code);
return(RedirectToAction("VerifyPhoneNumber", new { PhoneNumber = model.Number }));
}