public ActionResult Index(SettingsViewModel viewModel) {
            if (!_orchardServices.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Only Site Owner has the permission to manage Google Analytics"))) {
                return new HttpUnauthorizedResult();
            }

            if (_settingsServices.Set(viewModel)) {
                _orchardServices.Notifier.Information(T("Google Analytics settings successfully saved"));
            }

            return View(viewModel);
        }
        public ActionResult Index() {
            if (!_orchardServices.Authorizer.Authorize(StandardPermissions.SiteOwner, T("Only Site Owner has the permission to manage Google Analytics"))) {
                return new HttpUnauthorizedResult();
            }

            var settings = _settingsServices.Get();

            var viewModel = new SettingsViewModel {
                Enable =  settings.Enable,
                GoogleAnalyticsKey = settings.GoogleAnalyticsKey,
                UseUniversalTracking = settings.UseUniversalTracking
            };

            return View(viewModel);
        }