public void DeleteContent(SearchContent searchContent)
{
using (IndexBuilder indexBuilder = CreateIndexBuilder())
{
indexBuilder.DeleteContent(searchContent);
}
}
/// <summary>
/// Add content to be indexed.
/// </summary>
/// <param name="searchContent"></param>
public void AddContent(SearchContent searchContent)
{
if (this._indexWriter == null)
{
InitIndexWriter();
}
this._indexWriter.AddDocument(BuildDocumentFromSearchContent(searchContent));
}
public SearchContent[] GetAllSearchableContent()
{
StaticHtmlContent shc = GetContent();
if (shc != null)
{
SearchContent[] searchContents = new SearchContent[1];
searchContents[0] = StaticHtmlContentToSearchContent(shc);
return searchContents;
}
else
{
return new SearchContent[0];
}
}
/// <summary>
/// Delete existing content from the search index.
/// </summary>
/// <param name="searchContent"></param>
public void DeleteContent(SearchContent searchContent)
{
if (this._rebuildIndex)
{
throw new InvalidOperationException("Cannot delete documents when rebuilding the index.");
}
else
{
this._indexWriter.Close();
this._indexWriter = null;
// The path uniquely identifies a document in the index.
Term term = new Term("path", searchContent.Path);
IndexReader rdr = IndexReader.Open(this._indexDirectory);
rdr.Delete(term);
rdr.Close();
}
}
private SearchContent AlternateContentToSearchContent(AlternateContent shc)
{
SearchContent sc = new SearchContent();
sc.Title = shc.Section.Title;
sc.Summary = Text.TruncateText(shc.Content, 200); // trunctate the summary to 200 chars
sc.Contents = shc.Content;
sc.Author = shc.ModifiedBy.FullName;
sc.ModuleType = shc.Section.ModuleType.Name;
sc.Path = this.SectionUrl;
sc.Category = String.Empty;
sc.Site = shc.Section.Node.Site.Name;
sc.DateCreated = shc.UpdateTimestamp;
sc.DateModified = shc.UpdateTimestamp;
sc.SectionId = shc.Section.Id;
return sc;
}
private SearchContent CreateSearchContent(string category, ICategory node, CatalogueUrlHelper urlHelper) {
SearchContent sc = new SearchContent();
sc.Title = node.Name;
sc.Contents = node.Description;
sc.Author = "simon";
sc.ModuleType = this.Section.ModuleType.Name;
sc.Path = urlHelper.GetCatalogueNodeUrl(node);
sc.Category = category;
sc.Site = (this.Section.Node != null ? this.Section.Node.Site.Name : String.Empty);
sc.DateCreated = DateTime.Now;
sc.DateModified = DateTime.Now;
sc.SectionId = this.Section.Id;
if (sc.Title == null || sc.Title.Length == 0) {
sc.Title = "NODE " + node.NodeID;
}
if (sc.Contents == null || sc.Contents.Length == 0) {
sc.Contents = "Desc " + (sc.Title);
}
sc.Summary = sc.Contents;
return sc;
}
private SearchContent CreateSearchContentName(string category, IProductSummary product, CatalogueUrlHelper urlHelper) {
SearchContent sc = new SearchContent();
sc.Title = product.Name;
sc.Contents = product.Name;
sc.Author = "simon";
sc.ModuleType = this.Section.ModuleType.Name;
sc.Path = urlHelper.GetProductUrl(product);
sc.Category = category;
sc.Site = (this.Section.Node != null ? this.Section.Node.Site.Name : String.Empty);
sc.DateCreated = DateTime.Now;
sc.DateModified = DateTime.Now;
sc.SectionId = this.Section.Id;
if (sc.Title == null || sc.Title.Length == 0) {
sc.Title = product.Name;
}
if (sc.Contents == null || sc.Contents.Length == 0) {
sc.Contents = "Item " + (sc.Title);
}
sc.Summary = sc.Contents;
return sc;
}
private Document BuildDocumentFromSearchContent(SearchContent searchContent)
{
Document doc = new Document();
doc.Add(Field.Text("title", searchContent.Title));
doc.Add(Field.Text("summary", searchContent.Summary));
doc.Add(Field.UnStored("contents", searchContent.Contents));
doc.Add(Field.Text("author", searchContent.Author));
doc.Add(Field.Keyword("moduletype", searchContent.ModuleType));
doc.Add(Field.Keyword("path", searchContent.Path));
doc.Add(Field.Keyword("category", searchContent.Category));
doc.Add(Field.Keyword("site", searchContent.Site));
doc.Add(Field.Keyword("datecreated", searchContent.DateCreated.ToString("u")));
doc.Add(Field.Keyword("datemodified", searchContent.DateModified.ToString("u")));
doc.Add(Field.UnIndexed("sectionid", searchContent.SectionId.ToString()));
return doc;
}
/// <summary>
/// Update existing content in the search index.
/// </summary>
/// <param name="searchContent"></param>
public void UpdateContent(SearchContent searchContent)
{
if (this._rebuildIndex)
{
throw new InvalidOperationException("Cannot update documents when rebuilding the index.");
}
else
{
// First delete the old content
DeleteContent(searchContent);
// Now add the content again
AddContent(searchContent);
}
}
private void IndexContent(SearchContent searchContent, IndexAction action)
{
switch (action)
{
case IndexAction.Create:
this._searchService.AddContent(searchContent);
break;
case IndexAction.Update:
this._searchService.UpdateContent(searchContent);
break;
case IndexAction.Delete:
this._searchService.DeleteContent(searchContent);
break;
}
}
private void IndexContent(SearchContent searchContent, IndexAction action)
{
// Index
string indexDir = Context.Server.MapPath(Config.GetConfiguration()["SearchIndexDir"]);
IndexBuilder ib = new IndexBuilder(indexDir, false);
switch (action)
{
case IndexAction.Create:
ib.AddContent(searchContent);
break;
case IndexAction.Update:
ib.UpdateContent(searchContent);
break;
case IndexAction.Delete:
ib.DeleteContent(searchContent);
break;
}
ib.Close();
}
private Document BuildDocumentFromSearchContent(SearchContent searchContent)
{
Document doc = new Document();
doc.Add(new Field("title", searchContent.Title, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("summary", searchContent.Summary, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("contents", searchContent.Contents, Field.Store.NO, Field.Index.TOKENIZED));
doc.Add(new Field("author", searchContent.Author, Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("moduletype", searchContent.ModuleType, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("path", searchContent.Path, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("category", searchContent.Category, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("site", searchContent.Site, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("datecreated", searchContent.DateCreated.ToString("u"), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("datemodified", searchContent.DateModified.ToString("u"), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("sectionid", searchContent.SectionId.ToString(), Field.Store.YES, Field.Index.UN_TOKENIZED));
return doc;
}
private SearchContent ArticleToSearchContent(Article article)
{
SearchContent sc = new SearchContent();
sc.Title = article.Title;
if (article.Summary == null || article.Summary == String.Empty)
{
sc.Summary = Text.TruncateText(article.Content, 200); // truncate summary to 200 chars
}
else
{
sc.Summary = article.Summary;
}
sc.Contents = article.Content;
sc.Author = article.ModifiedBy.FullName;
sc.ModuleType = this.Section.ModuleType.Name;
sc.Path = this.SectionUrl + "/" + article.Id; // article ID has to be added as pathinfo parameter.
sc.Category = (article.Category != null ? article.Category.Title : sc.Category = String.Empty);
sc.Site = (this.Section.Node != null ? this.Section.Node.Site.Name : String.Empty);
sc.DateCreated = article.DateCreated;
sc.DateModified = article.DateModified;
sc.SectionId = this.Section.Id;
return sc;
}
/// <summary>
/// Create an IndexEventArgs class.
/// </summary>
/// <param name="searchContent">The content that needs to be moved around.</param>
public IndexEventArgs(SearchContent searchContent)
{
this._searchContent = searchContent;
}
/// <summary>
/// Create an IndexEventArgs class.
/// </summary>
/// <param name="searchContent">The content that needs to be moved around.</param>
public IndexEventArgs(SearchContent searchContent)
{
this._searchContent = searchContent;
}
