/// <summary>
/// Gets the children for specific a specific page
/// </summary>
/// <param name="session">The session.</param>
/// <param name="page">The page.</param>
/// <returns></returns>
/// <exception cref="System.NullReferenceException">StructureInfo</exception>
public static IEnumerable <IPage> GetChildrenFor(this ISyncAdvancedSessionOperation session, IPage page)
{
try
{
var context = new BrickPileContext(HttpContext.Current.Request.RequestContext);
if (context.NavigationContext != null && context.NavigationContext.OpenPages != null)
{
return(context.NavigationContext.OpenPages.Where(x => x.Parent != null && x.Parent.Id == page.Id));
}
Trie trie = context.Trie;
if (trie == null)
{
throw new NullReferenceException("The RouteData DataToken does not contains the Trie object");
}
IEnumerable <TrieNode> nodes = trie.RootNode.Flatten(n => n.Children);
TrieNode node = nodes.SingleOrDefault(n => n.PageId.CompareToIgnoreDraftId(page.Id));
return(node != null
? ((DocumentSession)session).Load <IPage>(node.Children.Select(n => n.PageId).ToArray())
.OrderBy(p => p.Metadata.SortOrder)
: Enumerable.Empty <IPage>());
}
catch (ArgumentNullException exception) {}
return(null);
}
/// <summary>
/// Actions the specified URL helper.
/// </summary>
/// <param name="urlHelper">The URL helper.</param>
/// <param name="pageReference">The page reference.</param>
/// <returns></returns>
public static string Action(this UrlHelper urlHelper, PageReference pageReference)
{
if (pageReference == null || string.IsNullOrEmpty(pageReference.Id))
{
return(string.Empty);
}
var context = new BrickPileContext(urlHelper.RequestContext);
var node = context.Trie.Get(pageReference.Id);
return(node.Url);
}
/// <summary>
/// Creates the brick pile context.
/// </summary>
/// <param name="requestContext">The request context.</param>
private void CreateContext(RequestContext requestContext)
{
var currentPage = requestContext.RouteData.GetCurrentPage <IPage>();
if (currentPage == null)
{
return;
}
BrickPileContext context = this.contextFactory.Create(requestContext);
requestContext.RouteData.ApplyTrie(context.Trie);
requestContext.RouteData.ApplyCurrentContext(context);
requestContext.RouteData.ApplyPages(context.NavigationContext.OpenPages);
}
/// <summary>
/// Gets the ancestors for a specific page
/// </summary>
/// <param name="session">The session.</param>
/// <param name="page">The page.</param>
/// <param name="includeStartPage">if set to <c>true</c> [include start page].</param>
/// <returns></returns>
/// <exception cref="System.NullReferenceException">StructureInfo</exception>
public static IEnumerable <IPage> GetAncestorsFor(this ISyncAdvancedSessionOperation session, IPage page,
bool includeStartPage = false)
{
try
{
var context = new BrickPileContext(HttpContext.Current.Request.RequestContext);
if (context.Trie == null)
{
throw new NullReferenceException("The RouteData DataToken does not contains the Trie object");
}
IEnumerable <TrieNode> nodes = context.Trie.GetAncestors(page.Id, includeStartPage);
return(((DocumentSession)session).Load <IPage>(nodes.Select(n => n.PageId)));
}
catch (ArgumentNullException exception) {}
return(null);
}
/// <summary>
/// Gets the parent for a specific page
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="session">The session.</param>
/// <param name="page">The page.</param>
/// <returns></returns>
public static T GetParentFor <T>(this ISyncAdvancedSessionOperation session, IPage page) where T : IPage
{
if (page.Parent == null)
{
return(default(T));
}
try
{
var context = new BrickPileContext(HttpContext.Current.Request.RequestContext);
if (context.NavigationContext.OpenPages.Any(x => x.Id == page.Parent.Id))
{
return((T)context.NavigationContext.OpenPages.Single(x => x.Id == page.Parent.Id));
}
}
catch (ArgumentNullException exception) {}
return(page.Parent == null ? default(T) : ((DocumentSession)session).Load <T>(page.Parent.Id));
}
/// <summary>
/// Gets the start page for BrickPile
/// </summary>
/// <param name="session">The session.</param>
/// <returns></returns>
/// <exception cref="System.NullReferenceException">StructureInfo</exception>
public static IPage GetStartPage(this ISyncAdvancedSessionOperation session)
{
try
{
var context = new BrickPileContext(HttpContext.Current.Request.RequestContext);
if (context.NavigationContext.StartPage != null)
{
return(context.NavigationContext.StartPage);
}
Trie trie = context.Trie;
if (trie == null)
{
throw new NullReferenceException("The RouteData DataToken does not contains the Trie object.");
}
return(((DocumentSession)session).Load <Page>(trie.RootNode.PageId));
}
catch (ArgumentNullException exception) {}
return(null);
}
/// <summary>
/// Applies the current context.
/// </summary>
/// <param name="routeData">The route data.</param>
/// <param name="context">The context.</param>
internal static void ApplyCurrentContext(this RouteData routeData, BrickPileContext context)
{
routeData.DataTokens["brickpile:context"] = context;
}
