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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Web;
using System.Xml;
using uComponents.Core.uQueryExtensions;
using umbraco;
using umbraco.BusinessLogic;
using umbraco.DataLayer;
namespace uComponents.Core
{
/// <summary>
/// Static helper methods, previously this class was UmbracoHelper
/// </summary>
[Obsolete(Constants.uQueryLegacyObsoleteMessage)]
public static partial class uQuery
{
/// <summary>
/// Gets the SqlHelper used by Umbraco
/// </summary>
public static ISqlHelper SqlHelper
{
get
{
return Application.SqlHelper;
}
}
/// <summary>
/// Constructs the XML source from the cmsContentXml table used for Media and Members.
/// </summary>
/// <param name="umbracoObjectType">an UmbracoObjectType value</param>
/// <returns>XML built from the cmsContentXml table</returns>
public static XmlDocument GetPublishedXml(UmbracoObjectType umbracoObjectType)
{
try
{
var hierarchy = new Dictionary<int, List<int>>();
var nodeIndex = new Dictionary<int, XmlNode>();
var xmlDoc = new XmlDocument();
var sql = "SELECT umbracoNode.id, umbracoNode.parentId, umbracoNode.sortOrder, cmsContentXml.xml FROM umbracoNode INNER JOIN cmsContentXml ON cmsContentXml.nodeId = umbracoNode.id AND umbracoNode.nodeObjectType = @nodeObjectType ORDER BY umbracoNode.level, umbracoNode.sortOrder";
using (var dr = uQuery.SqlHelper.ExecuteReader(sql, uQuery.SqlHelper.CreateParameter("@nodeObjectType", umbracoObjectType.GetGuid())))
{
while (dr.Read())
{
var currentId = dr.GetInt("id");
var parentId = dr.GetInt("parentId");
var xml = dr.GetString("xml");
// and parse it into a DOM node
xmlDoc.LoadXml(xml);
nodeIndex.Add(currentId, xmlDoc.FirstChild);
// Build the content hierarchy
List<int> children;
if (!hierarchy.TryGetValue(parentId, out children))
{
// No children for this parent, so add one
children = new List<int>();
hierarchy.Add(parentId, children);
}
children.Add(currentId);
}
// Set top level wrapper element
switch (umbracoObjectType)
{
case UmbracoObjectType.Media:
xmlDoc.LoadXml("<Media id=\"-1\"/>");
break;
case UmbracoObjectType.Member:
xmlDoc.LoadXml("<Members id=\"-1\"/>");
break;
default:
xmlDoc.LoadXml("<Nodes id=\"-1\"/>");
break;
}
// Start building the content tree recursively from the root (-1) node
GenerateXmlDocument(hierarchy, nodeIndex, -1, xmlDoc.DocumentElement);
return xmlDoc;
}
}
catch (Exception ex)
{
Log.Add(LogTypes.Error, -1, ex.Message);
}
return null;
}
/// <summary>
/// Checks the Umbraco XML Schema version in use
/// </summary>
/// <returns>true if using the old XML schema, else false if using the new XML schema</returns>
public static bool IsLegacyXmlSchema()
{
bool isLegacyXmlSchema;
try
{
isLegacyXmlSchema = UmbracoSettings.UseLegacyXmlSchema;
}
catch (MissingMethodException)
{
// Method doens't exist so must be using the legacy schema
isLegacyXmlSchema = true;
}
return isLegacyXmlSchema;
}
/// <summary>
/// build a string array from a csv
/// </summary>
/// <param name="csv">string of comma seperated values</param>
/// <returns>An array of node ids as string.</returns>
internal static string[] GetCsvIds(string csv)
{
string[] ids = null;
if (!string.IsNullOrEmpty(csv))
{
ids = csv.Split(Constants.Common.COMMA).Select(s => s.Trim()).ToArray();
}
return ids;
}
/// <summary>
/// Gets Ids from known XML fragments (as saved by the MNTP / XPath CheckBoxList)
/// </summary>
/// <param name="xml">The Xml</param>
/// <returns>An array of node ids as integer.</returns>
internal static int[] GetXmlIds(string xml)
{
var ids = new List<int>();
if (!string.IsNullOrEmpty(xml))
{
using (var xmlReader = XmlReader.Create(new StringReader(xml)))
{
try
{
xmlReader.Read();
// Check name of first element
switch (xmlReader.Name)
{
case "MultiNodePicker":
case "XPathCheckBoxList":
case "CheckBoxTree":
// Position on first <nodeId>
xmlReader.ReadStartElement();
while (!xmlReader.EOF)
{
if (xmlReader.NodeType == XmlNodeType.Element && xmlReader.Name == "nodeId")
{
int id;
if (int.TryParse(xmlReader.ReadElementContentAsString(), out id))
{
ids.Add(id);
}
}
else
{
// Step the reader on
xmlReader.Read();
}
}
break;
}
}
catch
{
// Failed to read as Xml
}
}
}
return ids.ToArray();
}
/// <summary>
/// Gets an Id value from the QueryString
/// </summary>
/// <returns>an id as a string or string.empty</returns>
internal static string GetIdFromQueryString()
{
var queryStringId = string.Empty;
if (!string.IsNullOrEmpty(HttpContext.Current.Request.QueryString["id"]))
{
queryStringId = HttpContext.Current.Request.QueryString["id"];
}
else if (HttpContext.Current.Request.CurrentExecutionFilePathExtension == ".asmx"
&& HttpContext.Current.Request.UrlReferrer != null
&& !string.IsNullOrEmpty(HttpContext.Current.Request.UrlReferrer.Query))
{
// Special case for MNTP CustomTreeService.asmx
queryStringId = HttpUtility.ParseQueryString(HttpContext.Current.Request.UrlReferrer.Query)["id"];
}
return queryStringId;
}
/// <summary>
/// Converts a string array into an integer array.
/// </summary>
/// <param name="items">The string array.</param>
/// <returns>Returns an integer array.</returns>
internal static int[] ConvertToIntArray(string[] items)
{
if (items == null)
return new int[] { };
int n;
return items.Select(s => int.TryParse(s, out n) ? n : 0).ToArray();
}
/// <summary>
/// Generates an XML document.
/// </summary>
/// <param name="hierarchy">The hierarchy.</param>
/// <param name="nodeIndex">Index of the node.</param>
/// <param name="parentId">The parent id.</param>
/// <param name="parentNode">The parent node.</param>
private static void GenerateXmlDocument(IDictionary<int, List<int>> hierarchy, IDictionary<int, XmlNode> nodeIndex, int parentId, XmlNode parentNode)
{
List<int> children;
if (hierarchy.TryGetValue(parentId, out children))
{
var childContainer = uQuery.IsLegacyXmlSchema() || string.IsNullOrEmpty(UmbracoSettings.TEMP_FRIENDLY_XML_CHILD_CONTAINER_NODENAME) ? parentNode : parentNode.SelectSingleNode(UmbracoSettings.TEMP_FRIENDLY_XML_CHILD_CONTAINER_NODENAME);
if (!uQuery.IsLegacyXmlSchema() && !string.IsNullOrEmpty(UmbracoSettings.TEMP_FRIENDLY_XML_CHILD_CONTAINER_NODENAME))
{
if (childContainer == null)
{
childContainer = xmlHelper.addTextNode(parentNode.OwnerDocument, UmbracoSettings.TEMP_FRIENDLY_XML_CHILD_CONTAINER_NODENAME, string.Empty);
parentNode.AppendChild(childContainer);
}
}
foreach (int childId in children)
{
var childNode = nodeIndex[childId];
if (uQuery.IsLegacyXmlSchema() || string.IsNullOrEmpty(UmbracoSettings.TEMP_FRIENDLY_XML_CHILD_CONTAINER_NODENAME))
{
parentNode.AppendChild(childNode);
}
else
{
childContainer.AppendChild(childNode);
}
// Recursively build the content tree under the current child
GenerateXmlDocument(hierarchy, nodeIndex, childId, childNode);
}
}
}
}
}