Files
Umbraco-CMS/src/Umbraco.Web/PublishedCache/XmlPublishedCache/XmlPublishedContent.cs

448 lines
12 KiB
C#
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2013-09-05 17:47:13 +02:00
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Xml;
using System.Xml.Serialization;
using System.Xml.XPath;
using Umbraco.Core;
using Umbraco.Core.Configuration;
using Umbraco.Core.Models;
using Umbraco.Core.Models.PublishedContent;
using Umbraco.Web.Models;
namespace Umbraco.Web.PublishedCache.XmlPublishedCache
{
/// <summary>
/// Represents an IPublishedContent which is created based on an Xml structure.
/// </summary>
[Serializable]
[XmlType(Namespace = "http://umbraco.org/webservices/")]
internal class XmlPublishedContent : PublishedContentBase
{
/// <summary>
/// Initializes a new instance of the <c>XmlPublishedContent</c> class with an Xml node.
/// </summary>
/// <param name="xmlNode">The Xml node.</param>
/// <param name="isPreviewing">A value indicating whether the published content is being previewed.</param>
public XmlPublishedContent(XmlNode xmlNode, bool isPreviewing)
{
_xmlNode = xmlNode;
_isPreviewing = isPreviewing;
InitializeStructure();
Initialize();
InitializeChildren();
}
/// <summary>
/// Initializes a new instance of the <c>XmlPublishedContent</c> class with an Xml node,
/// and a value indicating whether to lazy-initialize the instance.
/// </summary>
/// <param name="xmlNode">The Xml node.</param>
/// <param name="isPreviewing">A value indicating whether the published content is being previewed.</param>
/// <param name="lazyInitialize">A value indicating whether to lazy-initialize the instance.</param>
/// <remarks>Lazy-initializationg is NOT thread-safe.</remarks>
internal XmlPublishedContent(XmlNode xmlNode, bool isPreviewing, bool lazyInitialize)
{
_xmlNode = xmlNode;
_isPreviewing = isPreviewing;
InitializeStructure();
if (lazyInitialize == false)
{
Initialize();
InitializeChildren();
}
}
private readonly XmlNode _xmlNode;
private bool _initialized;
private bool _childrenInitialized;
private readonly ICollection<IPublishedContent> _children = new Collection<IPublishedContent>();
private IPublishedContent _parent;
private int _id;
private int _template;
private string _name;
private string _docTypeAlias;
private int _docTypeId;
private string _writerName;
private string _creatorName;
private int _writerId;
private int _creatorId;
private string _urlName;
private string _path;
private DateTime _createDate;
private DateTime _updateDate;
private Guid _version;
private IPublishedProperty[] _properties;
private int _sortOrder;
private int _level;
private bool _isDraft;
private readonly bool _isPreviewing;
private PublishedContentType _contentType;
public override IEnumerable<IPublishedContent> Children
{
get
{
if (_initialized == false)
Initialize();
if (_childrenInitialized == false)
InitializeChildren();
return _children.OrderBy(x => x.SortOrder);
}
}
public override IPublishedProperty GetProperty(string alias)
{
return Properties.FirstOrDefault(x => x.Alias.InvariantEquals(alias));
}
// override to implement cache
// cache at context level, ie once for the whole request
// but cache is not shared by requests because we wouldn't know how to clear it
public override IPublishedProperty GetProperty(string alias, bool recurse)
{
if (recurse == false) return GetProperty(alias);
var cache = UmbracoContextCache.Current;
if (cache == null)
return base.GetProperty(alias, true);
var key = string.Format("RECURSIVE_PROPERTY::{0}::{1}", Id, alias.ToLowerInvariant());
var value = cache.GetOrAdd(key, k => base.GetProperty(alias, true));
if (value == null)
return null;
var property = value as IPublishedProperty;
if (property == null)
throw new InvalidOperationException("Corrupted cache.");
return property;
}
public override PublishedItemType ItemType
{
get { return PublishedItemType.Content; }
}
public override IPublishedContent Parent
{
get
{
if (_initialized == false)
Initialize();
return _parent;
}
}
public override int Id
{
get
{
if (_initialized == false)
Initialize();
return _id;
}
}
public override int TemplateId
{
get
{
if (_initialized == false)
Initialize();
return _template;
}
}
public override int SortOrder
{
get
{
if (_initialized == false)
Initialize();
return _sortOrder;
}
}
public override string Name
{
get
{
if (_initialized == false)
Initialize();
return _name;
}
}
public override string DocumentTypeAlias
{
get
{
if (_initialized == false)
Initialize();
return _docTypeAlias;
}
}
public override int DocumentTypeId
{
get
{
if (_initialized == false)
Initialize();
return _docTypeId;
}
}
public override string WriterName
{
get
{
if (_initialized == false)
Initialize();
return _writerName;
}
}
public override string CreatorName
{
get
{
if (_initialized == false)
Initialize();
return _creatorName;
}
}
public override int WriterId
{
get
{
if (_initialized == false)
Initialize();
return _writerId;
}
}
public override int CreatorId
{
get
{
if (_initialized == false)
Initialize();
return _creatorId;
}
}
public override string Path
{
get
{
if (_initialized == false)
Initialize();
return _path;
}
}
public override DateTime CreateDate
{
get
{
if (_initialized == false)
Initialize();
return _createDate;
}
}
public override DateTime UpdateDate
{
get
{
if (_initialized == false)
Initialize();
return _updateDate;
}
}
public override Guid Version
{
get
{
if (_initialized == false)
Initialize();
return _version;
}
}
public override string UrlName
{
get
{
if (_initialized == false)
Initialize();
return _urlName;
}
}
public override int Level
{
get
{
if (_initialized == false)
Initialize();
return _level;
}
}
public override bool IsDraft
{
get
{
if (_initialized == false)
Initialize();
return _isDraft;
}
}
public override ICollection<IPublishedProperty> Properties
{
get
{
if (_initialized == false)
Initialize();
return _properties;
}
}
public override PublishedContentType ContentType
{
get
{
if (_initialized == false)
Initialize();
return _contentType;
}
}
private void InitializeStructure()
{
// load parent if it exists and is a node
var parent = _xmlNode == null ? null : _xmlNode.ParentNode;
if (parent == null) return;
if (parent.Name == "node" || (parent.Attributes != null && parent.Attributes.GetNamedItem("isDoc") != null))
_parent = new XmlPublishedContent(parent, _isPreviewing, true);
}
private void Initialize()
{
if (_xmlNode == null) return;
if (_xmlNode.Attributes != null)
{
_id = int.Parse(_xmlNode.Attributes.GetNamedItem("id").Value);
if (_xmlNode.Attributes.GetNamedItem("template") != null)
_template = int.Parse(_xmlNode.Attributes.GetNamedItem("template").Value);
if (_xmlNode.Attributes.GetNamedItem("sortOrder") != null)
_sortOrder = int.Parse(_xmlNode.Attributes.GetNamedItem("sortOrder").Value);
if (_xmlNode.Attributes.GetNamedItem("nodeName") != null)
_name = _xmlNode.Attributes.GetNamedItem("nodeName").Value;
if (_xmlNode.Attributes.GetNamedItem("writerName") != null)
_writerName = _xmlNode.Attributes.GetNamedItem("writerName").Value;
if (_xmlNode.Attributes.GetNamedItem("urlName") != null)
_urlName = _xmlNode.Attributes.GetNamedItem("urlName").Value;
// Creatorname is new in 2.1, so published xml might not have it!
try
{
_creatorName = _xmlNode.Attributes.GetNamedItem("creatorName").Value;
}
catch
{
_creatorName = _writerName;
}
//Added the actual userID, as a user cannot be looked up via full name only...
if (_xmlNode.Attributes.GetNamedItem("creatorID") != null)
_creatorId = int.Parse(_xmlNode.Attributes.GetNamedItem("creatorID").Value);
if (_xmlNode.Attributes.GetNamedItem("writerID") != null)
_writerId = int.Parse(_xmlNode.Attributes.GetNamedItem("writerID").Value);
if (UmbracoSettings.UseLegacyXmlSchema)
{
if (_xmlNode.Attributes.GetNamedItem("nodeTypeAlias") != null)
_docTypeAlias = _xmlNode.Attributes.GetNamedItem("nodeTypeAlias").Value;
}
else
{
_docTypeAlias = _xmlNode.Name;
}
if (_xmlNode.Attributes.GetNamedItem("nodeType") != null)
_docTypeId = int.Parse(_xmlNode.Attributes.GetNamedItem("nodeType").Value);
if (_xmlNode.Attributes.GetNamedItem("path") != null)
_path = _xmlNode.Attributes.GetNamedItem("path").Value;
if (_xmlNode.Attributes.GetNamedItem("version") != null)
_version = new Guid(_xmlNode.Attributes.GetNamedItem("version").Value);
if (_xmlNode.Attributes.GetNamedItem("createDate") != null)
_createDate = DateTime.Parse(_xmlNode.Attributes.GetNamedItem("createDate").Value);
if (_xmlNode.Attributes.GetNamedItem("updateDate") != null)
_updateDate = DateTime.Parse(_xmlNode.Attributes.GetNamedItem("updateDate").Value);
if (_xmlNode.Attributes.GetNamedItem("level") != null)
_level = int.Parse(_xmlNode.Attributes.GetNamedItem("level").Value);
_isDraft = (_xmlNode.Attributes.GetNamedItem("isDraft") != null);
}
// load data
var dataXPath = UmbracoSettings.UseLegacyXmlSchema ? "data" : "* [not(@isDoc)]";
var nodes = _xmlNode.SelectNodes(dataXPath);
_contentType = PublishedContentType.Get(PublishedItemType.Content, _docTypeAlias);
var propertyNodes = new Dictionary<string, XmlNode>();
if (nodes != null)
foreach (XmlNode n in nodes)
{
var alias = UmbracoSettings.UseLegacyXmlSchema
? n.Attributes.GetNamedItem("alias").Value
: n.Name;
propertyNodes[alias.ToLowerInvariant()] = n;
}
_properties = _contentType.PropertyTypes.Select(p =>
{
XmlNode n;
return propertyNodes.TryGetValue(p.Alias.ToLowerInvariant(), out n)
? new XmlPublishedProperty(p, _isPreviewing, n)
: new XmlPublishedProperty(p, _isPreviewing);
}).Cast<IPublishedProperty>().ToArray();
// warn: this is not thread-safe...
_initialized = true;
}
private void InitializeChildren()
{
if (_xmlNode == null) return;
// load children
var childXPath = UmbracoSettings.UseLegacyXmlSchema ? "node" : "* [@isDoc]";
var nav = _xmlNode.CreateNavigator();
var expr = nav.Compile(childXPath);
expr.AddSort("@sortOrder", XmlSortOrder.Ascending, XmlCaseOrder.None, "", XmlDataType.Number);
var iterator = nav.Select(expr);
while (iterator.MoveNext())
_children.Add(new XmlPublishedContent(((IHasXmlNode)iterator.Current).GetNode(), _isPreviewing, true));
// warn: this is not thread-safe
_childrenInitialized = true;
}
}
}