public async Task ManageLogins()

in Hands-on lab/lab-files/src/src/PartsUnlimitedWebsite/Controllers/ManageController.cs [277:301]

• 22 lines of code
• 6 McCabe index (conditional complexity)

        public async Task<IActionResult> ManageLogins(ManageMessageId? message = null)
        {
            ViewBag.StatusMessage =
                message == ManageMessageId.RemoveLoginSuccess ? "The external login was removed."
                : message == ManageMessageId.AddLoginSuccess ? "The external login was added."
                : message == ManageMessageId.Error ? "An error has occurred."
                : "";
            var user = await GetCurrentUserAsync();
            if (user == null)
            {
                return View("Error");
            }
            var userLogins = await UserManager.GetLoginsAsync(user);
            //var otherLogins = SignInManager.GetExternalAuthenticationSchemes().Where(auth => userLogins.All(ul => auth.AuthenticationScheme != ul.LoginProvider)).ToList();

            var schemes = await SignInManager.GetExternalAuthenticationSchemesAsync();
            var otherLogins = schemes.Where(auth => userLogins.All(ul => auth.Name != ul.LoginProvider)).ToList();

            ViewBag.ShowRemoveButton = user.PasswordHash != null || userLogins.Count > 1;
            return View(new ManageLoginsViewModel
            {
                CurrentLogins = userLogins,
                OtherLogins = otherLogins
            });
        }