Identity v2 Login with email confirmation and 2FA support

AccountController Login POST action

var user = await UserManager.FindByNameAsync(model.UserName);

if (user != null)
{
	if (!await UserManager.IsEmailConfirmedAsync(user.Id)) return View(Mvc.Account.Views.ErrorNotConfirmed);
}

//var result = await SignInManager.PasswordSignInAsync(model.UserName, model.Password, model.RememberMe, shouldLockout: true);
var result = await SignInManager.SignInAsync(model.UserName, model.Password, model.RememberMe);

ApplicationSignInManager.cs

public class ApplicationSignInManager : SignInManager<ApplicationUser, string>
{
    public ApplicationSignInManager(UserManager<ApplicationUser, string> userManager, IAuthenticationManager authenticationManager) 
        : base(userManager, authenticationManager)
    {
    }

    public async Task<SignInStatus> SignInAsync(string userName, string password, bool rememberMe)
    {
        var user = await UserManager.FindByNameAsync(userName);

        if (user == null) return SignInStatus.Failure;

        if (await UserManager.IsLockedOutAsync(user.Id)) return SignInStatus.LockedOut;

        if (!await UserManager.CheckPasswordAsync(user, password))
        {
            await UserManager.AccessFailedAsync(user.Id);
            if (await UserManager.IsLockedOutAsync(user.Id))
            {
                return SignInStatus.LockedOut;
            }

            return SignInStatus.Failure;
        }

        if (await UserManager.GetTwoFactorEnabledAsync(user.Id))
        {
            if (!(await UserManager.IsEmailConfirmedAsync(user.Id) && await UserManager.IsPhoneNumberConfirmedAsync(user.Id)))
            {
                return SignInStatus.RequiresVerification;
            }
        }

        await base.SignInAsync(user, rememberMe, false);
        return SignInStatus.Success;
    }
}