private IEnumerable <NavigationNode> GetGlobalNavigationTaxonomyNodes(SPWeb web, NavigationQueryParameters queryParameters, IEnumerable <NavigationTerm> navigationTerms = null)
{
// If navigation terms is null, fetch this initial terms from the taxonomy navigation term set
if (navigationTerms == null)
{
var nodeMatchingSettings = queryParameters.NodeMatchingSettings;
if ((nodeMatchingSettings != null) && nodeMatchingSettings.RestrictToCurrentNavigationLevel)
{
navigationTerms = TaxonomyNavigationContext.Current.NavigationTerm.Parent.Terms;
}
else
{
// Create view to return all navigation terms
var view = new NavigationTermSetView(web, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider)
{
ExcludeTermsByProvider = false
};
var navigationTermSet = TaxonomyNavigation.GetTermSetForWeb(web, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider, true);
// Navigation termset might be null when crawling
if (navigationTermSet == null)
{
return(new NavigationNode[] { });
}
navigationTerms = navigationTermSet.GetWithNewView(view).Terms;
}
}
// Gets terms which are not excluded from global navigation
// Note: Navigation terms needs to be editable to get the taxonomy term
var session = new TaxonomySession(web.Site);
var terms = navigationTerms.Where(x => !x.ExcludeFromGlobalNavigation).Select(x => x.GetAsEditable(session)).ToArray();
var nodes = terms.Select(x => new NavigationNode(x)).ToArray();
for (var i = 0; i < terms.Length; i++)
{
var term = terms[i];
var node = nodes[i];
// If term contains children, recurvise call
if (term.Terms.Count > 0)
{
node.ChildNodes = this.GetGlobalNavigationTaxonomyNodes(web, queryParameters, term.Terms);
}
}
return(nodes);
}
/// <summary>
/// Get the peer url for a taxonomy navigation page (generated by a term set)
/// </summary>
/// <param name="currentUrl">The current page url</param>
/// <param name="label">The target label to resolve</param>
/// <returns>The url of the peer page</returns>
public Uri GetPeerCatalogCategoryUrl(Uri currentUrl, VariationLabelInfo label)
{
// Get current navigation term ID
var termId = TaxonomyNavigationContext.Current.NavigationTerm.Id;
var labelSiteRelativeUrl = label.TopWebUrl.AbsolutePath;
using (var labelWeb = SPContext.Current.Site.OpenWeb(labelSiteRelativeUrl))
{
// Create view to return all navigation terms
var view = new NavigationTermSetView(labelWeb, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider)
{
ExcludeTermsByProvider = false
};
var navigationTermSet =
TaxonomyNavigation.GetTermSetForWeb(labelWeb, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider, true).GetWithNewView(view);
// Get the matching label navigation term and return it's friendly URL
var navigationTerm = this.navigationHelper.FindNavigationTermById(navigationTermSet.Terms, termId);
if (navigationTerm != null)
{
this.logger.Info(
"GetPeerCatalogCategoryUrl: Navigation term found for term id '{0}': '{1}'",
termId,
navigationTerm.Title);
var queryString = string.Empty;
// Check if some search keywords are present
var searchKeywords = HttpUtility.ParseQueryString(currentUrl.Query).Get("k");
if (!string.IsNullOrEmpty(searchKeywords))
{
queryString = "?k=" + HttpUtility.UrlEncode(searchKeywords);
}
return(new Uri(navigationTerm.GetResolvedDisplayUrl(queryString), UriKind.Relative));
}
else
{
this.logger.Error("GetPeerCatalogCategoryUrl: Navigation term not found for term id '{0}'", termId);
return(new Uri(
Variations.GetPeerUrl(SPContext.Current.Web, currentUrl.AbsoluteUri, label.Title),
UriKind.Relative));
}
}
}
private IEnumerable<NavigationNode> GetGlobalNavigationTaxonomyNodes(SPWeb web, IEnumerable<NavigationTerm> navigationTerms = null)
{
// If navigation terms is null, fetch this initial terms from the taxonomy navigation term set
if (navigationTerms == null)
{
// Create view to return all navigation terms
var view = new NavigationTermSetView(web, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider)
{
ExcludeTermsByProvider = false
};
var navigationTermSet = TaxonomyNavigation.GetTermSetForWeb(web, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider, true);
// Navigation termset might be null when crawling
if (navigationTermSet == null)
{
return new NavigationNode[] { };
}
navigationTerms = navigationTermSet.GetWithNewView(view).Terms;
}
// Gets terms which are not excluded from global navigation
// Note: Navigation terms needs to be editable to get the taxonomy term
var session = new TaxonomySession(web.Site);
var terms = navigationTerms.Where(x => !x.ExcludeFromGlobalNavigation).Select(x => x.GetAsEditable(session)).ToArray();
var nodes = terms.Select(x => new NavigationNode(x)).ToArray();
for (var i = 0; i < terms.Length; i++)
{
var term = terms[i];
var node = nodes[i];
// If term contains children, recurvise call
if (term.Terms.Count > 0)
{
node.ChildNodes = this.GetGlobalNavigationTaxonomyNodes(web, term.Terms);
}
}
return nodes;
}
/// <summary>
/// Get the peer url for a taxonomy navigation page (generated by a term set)
/// </summary>
/// <param name="web">The web.</param>
/// <param name="currentUrl">The current page url</param>
/// <param name="label">The target label to resolve</param>
/// <returns>
/// The url of the peer page
/// </returns>
public Uri GetPeerCatalogCategoryUrl(SPWeb web, Uri currentUrl, VariationLabelInfo label)
{
// Get current navigation term ID
var termId = TaxonomyNavigationContext.Current.NavigationTerm.Id;
var labelSiteRelativeUrl = label.TopWebUrl.AbsolutePath;
using (var labelWeb = web.Site.OpenWeb(labelSiteRelativeUrl))
{
// Create view to return all navigation terms
var view = new NavigationTermSetView(labelWeb, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider)
{
ExcludeTermsByProvider = false
};
var navigationTermSet =
TaxonomyNavigation.GetTermSetForWeb(labelWeb, StandardNavigationProviderNames.GlobalNavigationTaxonomyProvider, true).GetWithNewView(view);
// Get the matching label navigation term and return it's friendly URL
var navigationTerm = this.navigationHelper.FindNavigationTermById(navigationTermSet.Terms, termId);
if (navigationTerm != null)
{
this.logger.Info(
"GetPeerCatalogCategoryUrl: Navigation term found for term id '{0}': '{1}'",
termId,
navigationTerm.Title);
var queryString = string.Empty;
// Check if some search keywords are present
var searchKeywords = HttpUtility.ParseQueryString(currentUrl.Query).Get("k");
if (!string.IsNullOrEmpty(searchKeywords))
{
queryString = "?k=" + HttpUtility.UrlEncode(searchKeywords);
}
return new Uri(navigationTerm.GetResolvedDisplayUrl(queryString), UriKind.Relative);
}
else
{
this.logger.Error("GetPeerCatalogCategoryUrl: Navigation term not found for term id '{0}'", termId);
return new Uri(
Variations.GetPeerUrl(web, currentUrl.AbsolutePath, label.Title),
UriKind.Relative);
}
}
}
