public indexMessage buildIndex(indexMessage message)
{
if (_archive == null)
{
_archive = getVideoArchive();
}
buildIndex(_archive, message);
return(message);
}
private void buildIndex(videoArchive archive, indexMessage message)
{
Lucene.Net.Index.IndexWriter writer;
try
{
writer = new Lucene.Net.Index.IndexWriter(videoIndex, analyser, Lucene.Net.Index.IndexWriter.MaxFieldLength.UNLIMITED);
foreach (videoCategory cat in archive.categories)
{
foreach (videoItem video in cat.videos)
{
string title = "";
if (!string.IsNullOrEmpty(video.name))
{
title = video.name;
}
string bcid = "";
if (!string.IsNullOrEmpty(video.id))
{
bcid = video.id;
}
string shortDescription = "";
if (!string.IsNullOrEmpty(video.shortDescription))
{
shortDescription = video.shortDescription;
}
string longDescription = "";
if (!string.IsNullOrEmpty(video.longDescription))
{
longDescription = video.longDescription;
}
string imageURL = "";
if (!string.IsNullOrEmpty(video.thumbnailURL))
{
imageURL = video.videoStillURL;
}
addVideoToIndex(bcid, title, shortDescription, longDescription, imageURL, writer, message);
}
}
message.success = true;
writer.Optimize();
message.message = "Index built and optimized!";
writer.Dispose();
}
catch (Exception ex)
{
message.success = false;
message.message = ex.Message;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(Request.QueryString["index"]))
{
string indexString = HttpUtility.UrlDecode(Request.QueryString.GetValues("index").GetValue(0).ToString());
if (indexString == "create")
{
indexMessage message = new indexMessage();
searcher.buildIndex(message);
Response.Clear();
Response.ClearHeaders();
Response.ContentType = "application/json";
Response.Charset = "UTF-8";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.Write(JsonConvert.SerializeObject(message));
Response.End();
}
}
if (!string.IsNullOrEmpty(Request.QueryString["query"]))
{
//searchString = Uri.EscapeUriString(Request.QueryString.GetValues("query").GetValue(0).ToString());
searchString = HttpUtility.UrlDecode(Request.QueryString.GetValues("query").GetValue(0).ToString());
}
if (!string.IsNullOrEmpty(searchString))
{
Response.Clear();
Response.ClearHeaders();
Response.ContentType = "application/json";
Response.Charset = "UTF-8";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.Write(doSearch(searchString));
Response.End();
}
else
{
Response.Clear();
Response.ClearHeaders();
Response.ContentType = "application/json";
Response.Charset = "UTF-8";
Response.ContentEncoding = System.Text.Encoding.UTF8;
Response.Write("[]");
Response.End();
}
}
private void addVideoToIndex(string bcid, string title, string shortDescription, string longDescription, string imageURL, Lucene.Net.Index.IndexWriter writer, indexMessage message)
{
Lucene.Net.Documents.Document video = new Lucene.Net.Documents.Document();
video.Add(new Lucene.Net.Documents.Field("title", title, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED, Lucene.Net.Documents.Field.TermVector.YES));
video.Add(new Lucene.Net.Documents.Field("shortDescription", shortDescription, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED, Lucene.Net.Documents.Field.TermVector.YES));
video.Add(new Lucene.Net.Documents.Field("longDescription", longDescription, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.ANALYZED, Lucene.Net.Documents.Field.TermVector.YES));
video.Add(new Lucene.Net.Documents.Field("bcid", bcid, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED));
video.Add(new Lucene.Net.Documents.Field("imageURL", imageURL, Lucene.Net.Documents.Field.Store.YES, Lucene.Net.Documents.Field.Index.NOT_ANALYZED));
if (videoExistsInIndex(bcid))
{
writer.UpdateDocument(new Lucene.Net.Index.Term("bcid", video.Get("bcid")), video);
message.updatedVideo++;
}
else
{
writer.AddDocument(video);
message.newVideo++;
}
}