public async Task<ActionResult> ExternalLoginConfirmation(ExternalLoginConfirmationViewModel model, string returnUrl) {
            if (User.Identity.IsAuthenticated) {
                return RedirectToAction("Index", "Manage");
            }

            if (ModelState.IsValid) {
                // Get the information about the user from the external login provider
                var info = await AuthenticationManager.GetExternalLoginInfoAsync();
                if (info == null) {
                    return View("ExternalLoginFailure");
                }
                var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
                var result = await UserManager.CreateAsync(user);
                if (result.Succeeded) {
                    result = await UserManager.AddLoginAsync(user.Id, info.Login);
                    if (result.Succeeded) {
                        await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
                        return RedirectToLocal(returnUrl);
                    }
                }
                AddErrors(result);
            }

            ViewBag.ReturnUrl = returnUrl;
            return View(model);
        }
 public async Task<ActionResult> AuditorRegister(RegisterViewModel model) {
     if (ModelState.IsValid) {
         var user = new ApplicationUser { UserName = model.Email, Email = model.Email };
         var result = await UserManager.CreateAsync(user, model.Password);
         if (result.Succeeded) {
             await UserManager.AddToRoleAsync(user.Id, "Auditor");
            // await SignInManager.SignInAsync(user, isPersistent: false, rememberBrowser: false);
             
             return RedirectToAction("Index", "Home");
         }
         AddErrors(result);
     }
     return View(model);
 }