/// <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 IAdvancedSessionOperations 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()) //TODO handle null values
.Values
.OrderBy(p => p.Metadata.SortOrder)
: Enumerable.Empty <IPage>());
}
catch (ArgumentNullException exception) {}
return(null);
}
public static DateTime?GetExpire <T>(this IAdvancedSessionOperations advanced, T obj)
{
if (advanced.GetMetadataFor(obj).TryGetValue(Constants.Documents.Metadata.Expires, out object dateTime))
{
return(DateTime.Parse(dateTime.ToString()).ToUniversalTime());
}
return(null);
}
/// <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 IAdvancedSessionOperations 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(((IDocumentSession)session).Load <IPage>(nodes.Select(n => n.PageId)).Values); // TODO handle null values
}
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 IAdvancedSessionOperations 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 IAdvancedSessionOperations 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>
/// Gets the draft for a specific page, if it exists
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="session">The session.</param>
/// <param name="page">The page.</param>
/// <returns></returns>
public static T GetDraftFor <T>(this IAdvancedSessionOperations session, IPage page)
{
return(((IDocumentSession)session).Load <T>(page.Id.Replace("/draft", "") + "/draft"));
}
public static void AddExpire <T>(this IAdvancedSessionOperations advanced, T obj, DateTime dateTime)
{
advanced.GetMetadataFor(obj)[Constants.Documents.Metadata.Expires] = dateTime;
}
public static void RemoveExpire <T>(this IAdvancedSessionOperations advanced, T obj)
{
advanced.GetMetadataFor(obj).Remove(Constants.Documents.Metadata.Expires);
}
