private NavigationMenuLinkViewModel CreateLink(string linkText, string controllerName, string actionName,
Func <bool> isVisible = null, object routeValues = null)
{
var urlHelper = urlHelperFactory.Create(ControllerContext.RequestContext);
var menuState = menuStateFactory.Create(ControllerContext.ParentActionViewContext.RouteData);
return(new NavigationMenuLinkViewModel
{
LinkText = linkText,
LinkUrl = urlHelper.Action(actionName, controllerName, routeValues),
IsActive = menuState.IsCurrentlySelectedItem(controllerName, actionName),
IsVisible = isVisible == null || isVisible()
});
}