ASPMvcFirstApplication.Controllers.ManageController.ManageLogins C# (CSharp) Метод

        public async Task<ActionResult> ManageLogins(ManageMessageId? message)
        {
            ViewBag.StatusMessage =
                message == ManageMessageId.RemoveLoginSuccess ? "The external login was removed."
                : message == ManageMessageId.Error ? "An error has occurred."
                : "";
            var user = await UserManager.FindByIdAsync(User.Identity.GetUserId());
            if (user == null)
            {
                return View("Error");
            }
            var userLogins = await UserManager.GetLoginsAsync(User.Identity.GetUserId());
            var otherLogins = AuthenticationManager.GetExternalAuthenticationTypes().Where(auth => userLogins.All(ul => auth.AuthenticationType != ul.LoginProvider)).ToList();
            ViewBag.ShowRemoveButton = user.PasswordHash != null || userLogins.Count > 1;
            return View(new ManageLoginsViewModel
            {
                CurrentLogins = userLogins,
                OtherLogins = otherLogins
            });
        }