/// <summary>
/// Gets Navigation Links for the breadcrumb trail for the given request URL path.
/// </summary>
/// <param name="requestUrlPath">The request URL path.</param>
/// <param name="localization">The Localization.</param>
/// <returns>The Navigation Links.</returns>
public virtual NavigationLinks GetBreadcrumbNavigationLinks(string requestUrlPath, Localization localization)
{
using (new Tracer(requestUrlPath, localization))
{
int levels = requestUrlPath.Split('/').Length;
SitemapItem currentItem = GetNavigationModel(localization); // Start with Sitemap root.
List <Link> links = new List <Link> {
currentItem.CreateLink(localization)
};
while (levels > 1 && currentItem.Items != null)
{
currentItem = currentItem.Items.FirstOrDefault(i => requestUrlPath.StartsWith(i.Url, StringComparison.InvariantCultureIgnoreCase));
if (currentItem == null)
{
break;
}
links.Add(currentItem.CreateLink(localization));
levels--;
}
return(new NavigationLinks
{
Items = links
});
}
}
/// <summary>
/// Gets Navigation Links for the breadcrumb trail for the given request URL path.
/// </summary>
/// <param name="requestUrlPath">The request URL path.</param>
/// <param name="localization">The Localization.</param>
/// <returns>The Navigation Links.</returns>
public NavigationLinks GetBreadcrumbNavigationLinks(string requestUrlPath, Localization localization)
{
using (new Tracer(requestUrlPath, localization))
{
var navModel = GetNavigationModel(localization);
if (navModel == null)
{
return(null);
}
return(SiteConfiguration.CacheProvider.GetOrAdd(
$"GetBreadcrumbNavigationLinks:{requestUrlPath}-{localization.Id}",
CacheRegions.DynamicNavigation,
() =>
{
List <Link> breadcrumb = new List <Link>();
SitemapItem sitemapItem = navModel.FindSitemapItem(requestUrlPath.NormalizePageUrlPath());
if (sitemapItem != null)
{
// Build a breadcrumb of ancestors, excluding the Taxonomy Root.
bool hasHome = false;
while (sitemapItem.Parent != null)
{
breadcrumb.Insert(0, sitemapItem.CreateLink(localization));
hasHome = IsHome(sitemapItem, localization);
sitemapItem = sitemapItem.Parent;
}
// The Home TaxonomyNode/Keyword may be a top-level sibling instead of an ancestor
if (!hasHome)
{
SitemapItem home = sitemapItem.Items.FirstOrDefault(i => IsHome(i, localization));
if (home != null)
{
breadcrumb.Insert(0, home.CreateLink(localization));
}
}
}
return new NavigationLinks
{
Items = breadcrumb
};
}));
}
}
/// <summary>
/// Gets Navigation Links for the breadcrumb trail for the given request URL path.
/// </summary>
/// <param name="requestUrlPath">The request URL path.</param>
/// <param name="localization">The Localization.</param>
/// <returns>The Navigation Links.</returns>
public NavigationLinks GetBreadcrumbNavigationLinks(string requestUrlPath, Localization localization)
{
using (new Tracer(requestUrlPath, localization))
{
SitemapItem navModel = GetNavigationModel(localization);
if (!(navModel is TaxonomyNode))
{
// No Navigation Taxonomy found in this Localization; fallback to the StaticNavigationProvider.
return(_fallbackNavigationProvider.GetBreadcrumbNavigationLinks(requestUrlPath, localization));
}
SitemapItem sitemapItem = navModel.FindSitemapItem(requestUrlPath.NormalizePageUrlPath());
List <Link> breadcrumb = new List <Link>();
if (sitemapItem != null)
{
// Build a breadcrumb of ancestors, excluding the Taxonomy Root.
bool hasHome = false;
while (sitemapItem.Parent != null)
{
breadcrumb.Insert(0, sitemapItem.CreateLink(localization));
hasHome = IsHome(sitemapItem, localization);
sitemapItem = sitemapItem.Parent;
}
// The Home TaxonomyNode/Keyword may be a top-level sibling instead of an ancestor
if (!hasHome)
{
SitemapItem home = sitemapItem.Items.FirstOrDefault(i => IsHome(i, localization));
if (home != null)
{
breadcrumb.Insert(0, home.CreateLink(localization));
}
}
}
return(new NavigationLinks
{
Items = breadcrumb
});
}
}