public virtual IPublishedContent GetByRoute(UmbracoContext umbracoContext, bool preview, string route, bool?hideTopLevelNode = null)
{
if (route == null)
{
throw new ArgumentNullException("route");
}
// try to get from cache if not previewing
var contentId = preview ? 0 : _routesCache.GetNodeId(route);
// if found id in cache then get corresponding content
// and clear cache if not found - for whatever reason
IPublishedContent content = null;
if (contentId > 0)
{
content = GetById(umbracoContext, preview, contentId);
if (content == null)
{
_routesCache.ClearNode(contentId);
}
}
// still have nothing? actually determine the id
hideTopLevelNode = hideTopLevelNode ?? GlobalSettings.HideTopLevelNodeFromPath; // default = settings
content = content ?? DetermineIdByRoute(umbracoContext, preview, route, hideTopLevelNode.Value);
// cache if we have a content and not previewing
if (content != null && !preview)
{
var domainRootNodeId = route.StartsWith("/") ? -1 : int.Parse(route.Substring(0, route.IndexOf('/')));
var iscanon = !UnitTesting && !DomainHelper.ExistsDomainInPath(DomainHelper.GetAllDomains(false), content.Path, domainRootNodeId);
// and only if this is the canonical url (the one GetUrl would return)
if (iscanon)
{
_routesCache.Store(contentId, route);
}
}
return(content);
}