public async Task <ActionResult> SendCode(string returnUrl = null, bool rememberMe = false)
{
var user = await _signInManager.GetTwoFactorAuthenticationUserAsync();
if (user == null)
{
return(View("Error"));
}
var userFactors = await _userManager.GetValidTwoFactorProvidersAsync(user);
var factorOptions = userFactors.Select(purpose => new SelectListItem {
Text = purpose, Value = purpose
}).ToList();
return(View(new SendCodeViewModel {
Providers = factorOptions, ReturnUrl = returnUrl, RememberMe = rememberMe
}));
}