gistfile1.cs

using System;
using System.Web.Mvc;
using System.Collections.Generic;
using System.Linq;
using System.Text;

using uComponents.Core;
using uComponents.Core.uQueryExtensions;
using umbraco.NodeFactory;

using System.Web;
using Examine;
using Umbraco.Core;
using Umbraco.Web;
using umbraco.BusinessLogic;
using umbraco.cms.businesslogic;
using umbraco.cms.businesslogic.web;



/// <summary>
/// 
/// </summary>
public class SiteIndexing : IApplicationEventHandler
{
  // In our site index, we want to store the id on the home node for a given page. This allows us to easily
	// support multi-lingual/portfolio sites in the future, as well as providing a convient way to filter out
	// non-content nodes (e.g backoffice) when a search is performed. 

	// Remember to set the index correctly here...
	public void OnApplicationInitialized(UmbracoApplication httpApplication, ApplicationContext applicationContext)
	{
		ExamineManager.Instance.IndexProviderCollection["SiteIndexer"].GatheringNodeData += SiteIndexing_GatheringNodeData;
	}

	private void SiteIndexing_GatheringNodeData(object sender, IndexingNodeDataEventArgs e)
	{
		try
		{
			Log.Add(LogTypes.Custom, -1, "Attempting to add extra index fields for node " + e.NodeId);

			Node indexingNode = TryGetNode(e.NodeId);
			if (indexingNode != null)
			{
				Log.Add(LogTypes.Custom, -1, "Node " + e.NodeId + " found");
				// Get the public Home node
				Node homeNode = indexingNode.GetAncestorNodes().Where(node => node.NodeTypeAlias == "Home").FirstOrDefault();
				// Add fields to index, and populate with id.
				e.Fields.Add("homepageNodeId", homeNode.Id.ToString());
			}
			Log.Add(LogTypes.Custom, -1, "Node " + e.NodeId + " not found");
		}
		catch (Exception ex)
		{
			Log.Add(LogTypes.Error, -1, ex.ToString());
		}
	}

	private static Node TryGetNode(int nodeId)
	{
		try
		{
			return umbraco.uQuery.GetNode(nodeId);
		}
		catch
		{
			return null;
		}
	}



	public void OnApplicationStarted(UmbracoApplication httpApplication, ApplicationContext applicationContext)
	{
		throw new NotImplementedException();
	}

	public void OnApplicationStarting(UmbracoApplication httpApplication, ApplicationContext applicationContext)
	{
		throw new NotImplementedException();
	}
}