private static void IndexItem(HtmlContent content)
{
bool disableSearchIndex = ConfigHelper.GetBoolProperty("DisableSearchIndex", false);
if (disableSearchIndex)
{
return;
}
//SiteSettings siteSettings
// = CacheHelper.GetCurrentSiteSettings();
//if (
// (content == null)
// || (siteSettings == null)
// )
//{
// return;
//}
Guid htmlFeatureGuid
= new Guid("113FB01C-6408-4607-B0F7-1379E2512396");
ModuleDefinition htmlFeature
= new ModuleDefinition(htmlFeatureGuid);
Module module = new Module(content.ModuleId);
// get list of pages where this module is published
List <PageModule> pageModules
= PageModule.GetPageModulesByModule(content.ModuleId);
foreach (PageModule pageModule in pageModules)
{
PageSettings pageSettings
= new PageSettings(
content.SiteId,
pageModule.PageId);
//don't index pending/unpublished pages
if (pageSettings.IsPending)
{
continue;
}
IndexItem indexItem = new IndexItem();
if (content.SearchIndexPath.Length > 0)
{
indexItem.IndexPath = content.SearchIndexPath;
}
indexItem.SiteId = content.SiteId;
indexItem.PageId = pageModule.PageId;
indexItem.PageName = pageSettings.PageName;
indexItem.ViewRoles = pageSettings.AuthorizedRoles;
indexItem.ModuleViewRoles = module.ViewRoles;
if (pageSettings.UseUrl)
{
indexItem.ViewPage = pageSettings.Url.Replace("~/", string.Empty);
indexItem.UseQueryStringParams = false;
}
// generally we should not include the page meta because it can result in duplicate results
// one for each instance of html content on the page because they all use the smae page meta.
// since page meta should reflect the content of the page it is sufficient to just index the content
if ((ConfigurationManager.AppSettings["IndexPageMeta"] != null) && (ConfigurationManager.AppSettings["IndexPageMeta"] == "true"))
{
indexItem.PageMetaDescription = pageSettings.PageMetaDescription;
indexItem.PageMetaKeywords = pageSettings.PageMetaKeyWords;
}
indexItem.FeatureId = htmlFeatureGuid.ToString();
indexItem.FeatureName = htmlFeature.FeatureName;
indexItem.FeatureResourceFile = htmlFeature.ResourceFile;
indexItem.ItemId = content.ItemId;
indexItem.ModuleId = content.ModuleId;
indexItem.ModuleTitle = module.ModuleTitle;
indexItem.Title = content.Title;
indexItem.Content = SecurityHelper.RemoveMarkup(content.Body);
indexItem.PublishBeginDate = pageModule.PublishBeginDate;
indexItem.PublishEndDate = pageModule.PublishEndDate;
IndexHelper.RebuildIndex(indexItem);
}
log.Debug("Indexed " + content.Title);
}
public override void RebuildIndex(
PageSettings pageSettings,
string indexPath)
{
bool disableSearchIndex = ConfigHelper.GetBoolProperty("DisableSearchIndex", false);
if (disableSearchIndex)
{
return;
}
if (pageSettings == null)
{
log.Error("pageSettings passed in to HtmlContentIndexBuilderProvider.RebuildIndex was null");
return;
}
//don't index pending/unpublished pages
if (pageSettings.IsPending)
{
return;
}
log.Info("HtmlContentIndexBuilderProvider indexing page - "
+ pageSettings.PageName);
try
{
Guid htmlFeatureGuid
= new Guid("113FB01C-6408-4607-B0F7-1379E2512396");
ModuleDefinition htmlFeature
= new ModuleDefinition(htmlFeatureGuid);
List <PageModule> pageModules
= PageModule.GetPageModulesByPage(pageSettings.PageId);
HtmlRepository repository = new HtmlRepository();
DataTable dataTable = repository.GetHtmlContentByPage(
pageSettings.SiteId,
pageSettings.PageId);
foreach (DataRow row in dataTable.Rows)
{
IndexItem indexItem = new IndexItem();
indexItem.SiteId = pageSettings.SiteId;
indexItem.PageId = pageSettings.PageId;
indexItem.PageName = pageSettings.PageName;
// generally we should not include the page meta because it can result in duplicate results
// one for each instance of html content on the page because they all use the smae page meta.
// since page meta should reflect the content of the page it is sufficient to just index the content
if ((ConfigurationManager.AppSettings["IndexPageMeta"] != null) && (ConfigurationManager.AppSettings["IndexPageMeta"] == "true"))
{
indexItem.PageMetaDescription = pageSettings.PageMetaDescription;
indexItem.PageMetaKeywords = pageSettings.PageMetaKeyWords;
}
indexItem.ViewRoles = pageSettings.AuthorizedRoles;
indexItem.ModuleViewRoles = row["ViewRoles"].ToString();
if (pageSettings.UseUrl)
{
indexItem.ViewPage = pageSettings.Url.Replace("~/", string.Empty);
indexItem.UseQueryStringParams = false;
}
indexItem.FeatureId = htmlFeatureGuid.ToString();
indexItem.FeatureName = htmlFeature.FeatureName;
indexItem.FeatureResourceFile = htmlFeature.ResourceFile;
indexItem.ItemId = Convert.ToInt32(row["ItemID"]);
indexItem.ModuleId = Convert.ToInt32(row["ModuleID"]);
indexItem.ModuleTitle = row["ModuleTitle"].ToString();
indexItem.Title = row["Title"].ToString();
// added the remove markup 2010-01-30 because some javascript strings like ]]> were apearing in search results if the content conatined jacvascript
indexItem.Content = SecurityHelper.RemoveMarkup(row["Body"].ToString());
// lookup publish dates
foreach (PageModule pageModule in pageModules)
{
if (indexItem.ModuleId == pageModule.ModuleId)
{
indexItem.PublishBeginDate = pageModule.PublishBeginDate;
indexItem.PublishEndDate = pageModule.PublishEndDate;
}
}
IndexHelper.RebuildIndex(indexItem, indexPath);
log.Debug("Indexed " + indexItem.Title);
}
}
catch (System.Data.Common.DbException ex)
{
log.Error(ex);
}
}
private Document GetDocument(IndexItem indexItem)
{
Document doc = new Document();
// searchable fields
doc.Add(new Field("Key", indexItem.Key, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("SiteID", indexItem.SiteId.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("ViewRoles", indexItem.ViewRoles, Field.Store.YES, Field.Index.NO));
string[] roles = indexItem.ViewRoles.Split(';');
foreach (string role in roles)
{
if (role.Length > 0)
{
doc.Add(new Field("Role", role, Field.Store.YES, Field.Index.UN_TOKENIZED));
}
}
roles = indexItem.ModuleViewRoles.Split(';');
foreach (string role in roles)
{
if (role.Length > 0)
{
doc.Add(new Field("ModuleRole", role, Field.Store.YES, Field.Index.UN_TOKENIZED));
}
}
doc.Add(new Field("FeatureId", indexItem.FeatureId, Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("PageID", indexItem.PageId.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("ModuleID", indexItem.ModuleId.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("ItemID", indexItem.ItemId.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("PublishBeginDate", indexItem.PublishBeginDate.ToString("s"), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("PublishEndDate", indexItem.PublishEndDate.ToString("s"), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("IndexedUtc", DateTime.UtcNow.ToString("s"), Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.Add(new Field("PageName", indexItem.PageName, Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
doc.Add(new Field("ModuleTitle", indexItem.ModuleTitle, Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
doc.Add(new Field("Title", indexItem.Title, Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
doc.Add(new Field("PageMetaDesc", indexItem.PageMetaDescription, Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
string[] keywords = indexItem.PageMetaKeywords.Split(',');
foreach (string word in keywords)
{
if (word.Trim().Length > 0)
{
doc.Add(new Field("Keyword", word.Trim(), Field.Store.YES, Field.Index.UN_TOKENIZED));
}
}
string textContent = ConvertToText(indexItem.Content);
doc.Add(new Field("Intro",
(textContent.Length < 100 ? textContent : (UIHelper.CreateExcerpt(textContent, 97) + "..."))
, Field.Store.YES, Field.Index.UN_TOKENIZED
)
);
// other content is optional, used for blog comments
// could be used elsewhere
if (storeContentForResultsHighlighting)
{
doc.Add(new Field("contents", textContent + " "
+ ConvertToText(indexItem.OtherContent), Field.Store.YES, Field.Index.TOKENIZED, Field.TermVector.YES));
}
else
{
doc.Add(new Field("contents", textContent + " "
+ ConvertToText(indexItem.OtherContent), Field.Store.NO, Field.Index.TOKENIZED, Field.TermVector.YES));
}
//unsearchable fields
doc.Add(new Field("Feature", indexItem.FeatureName, Field.Store.YES, Field.Index.NO));
doc.Add(new Field("FeatureResourceFile", indexItem.FeatureResourceFile, Field.Store.YES, Field.Index.NO));
doc.Add(new Field("PageNumber", indexItem.PageNumber.ToString(CultureInfo.InvariantCulture), Field.Store.YES, Field.Index.NO));
doc.Add(new Field("ViewPage", indexItem.ViewPage, Field.Store.YES, Field.Index.NO));
doc.Add(new Field("UseQueryStringParams", indexItem.UseQueryStringParams.ToString(), Field.Store.YES, Field.Index.NO));
doc.Add(new Field("QueryStringAddendum", indexItem.QueryStringAddendum, Field.Store.YES, Field.Index.NO));
return(doc);
}
private void ProcessQueue(DataTable q, string indexPath)
{
rowsProcessed = 0;
rowsToProcess = q.Rows.Count;
// first process deletes with reader
try
{
IndexReader reader = IndexReader.Open(indexPath);
foreach (DataRow row in q.Rows)
{
Term term = new Term("Key", row["ItemKey"].ToString());
try
{
reader.DeleteDocuments(term);
log.Debug("reader.DeleteDocuments(term) for Key " + row["ItemKey"].ToString());
}
catch (Exception ge)
{
// TODO: monitor what real exceptions if any occur and then
// change this catch to catch only the expected ones
// instead of non specific exception
log.Error(ge);
}
bool removeOnly = Convert.ToBoolean(row["RemoveOnly"]);
if (removeOnly)
{
Int64 rowId = Convert.ToInt64(row["RowId"]);
IndexingQueue.Delete(rowId);
}
if (DateTime.UtcNow > nextStatusUpdateTime)
{
// don't mark as complete because there may be more qu items
//for different index paths in a multi site installation
bool markAsComplete = false;
ReportStatus(markAsComplete);
}
}
reader.Close();
}
catch (IOException ex)
{
log.Info("IndexWriter swallowed exception this is not unexpected if building or rebuilding the search index ", ex);
errorCount += 1;
}
catch (TypeInitializationException ex)
{
log.Info("IndexWriter swallowed exception ", ex);
errorCount += 1;
}
// next add items with writer
IndexWriter indexWriter = GetWriter(indexPath);
if (indexWriter == null)
{
log.Error("failed to get IndexWriter for path: " + indexPath);
errorCount += 1;
return;
}
foreach (DataRow row in q.Rows)
{
bool removeOnly = Convert.ToBoolean(row["RemoveOnly"]);
if (!removeOnly)
{
try
{
IndexItem indexItem
= (IndexItem)SerializationHelper.DeserializeFromString(typeof(IndexItem), row["SerializedItem"].ToString());
Document doc = GetDocument(indexItem);
WriteToIndex(doc, indexWriter);
log.Debug("called WriteToIndex(doc, indexWriter) for key " + indexItem.Key);
Int64 rowId = Convert.ToInt64(row["RowId"]);
IndexingQueue.Delete(rowId);
}
catch (Exception ex)
{
log.Error(ex);
}
}
if (DateTime.UtcNow > nextStatusUpdateTime)
{
// don't mark as complete because there may be more qu items
//for different index paths in a multi site installation
bool markAsComplete = false;
ReportStatus(markAsComplete);
}
}
try
{
indexWriter.Optimize();
}
catch (IOException ex)
{
log.Error(ex);
}
try
{
indexWriter.Close();
}
catch (IOException ex)
{
log.Error(ex);
}
}
public void Remove(IndexItem item)
{
this.List.Remove(item);
}
public void Add(IndexItem item)
{
this.List.Add(item);
}
/// <summary>
/// search support multiple modules
/// </summary>
/// <param name="siteId"></param>
/// <param name="isAdmin"></param>
/// <param name="userRoles"></param>
/// <param name="queryText"></param>
/// <param name="highlightResults"></param>
/// <param name="highlightedFragmentSize"></param>
/// <param name="pageNumber"></param>
/// <param name="pageSize"></param>
/// <param name="totalHits"></param>
/// <param name="invalidQuery"></param>
/// <param name="moduleIDs"></param>
/// <returns></returns>
public static IndexItemCollection Search(
int siteId,
bool isAdmin,
List <string> userRoles,
string queryText,
bool highlightResults,
int highlightedFragmentSize,
int pageNumber,
int pageSize,
out int totalHits,
out bool invalidQuery,
params Guid[] moduleIDs
)
{
invalidQuery = false;
totalHits = 0;
string indexPath = GetIndexPath(siteId);
IndexItemCollection results = new IndexItemCollection();
if (string.IsNullOrEmpty(queryText))
{
return(results);
}
bool useBackwardCompatibilityMode = true;
if (
(ConfigurationManager.AppSettings["SearchUseBackwardCompatibilityMode"] != null) &&
(ConfigurationManager.AppSettings["SearchUseBackwardCompatibilityMode"] == "false")
)
{
useBackwardCompatibilityMode = false;
}
bool IncludeModuleRoleFilters = false;
if (
(ConfigurationManager.AppSettings["SearchIncludeModuleRoleFilters"] != null) &&
(ConfigurationManager.AppSettings["SearchIncludeModuleRoleFilters"] == "true")
)
{
IncludeModuleRoleFilters = true;
}
if (IndexReader.IndexExists(indexPath))
{
if (log.IsDebugEnabled)
{
log.Debug("Entered Search, indexPath = " + indexPath);
}
long startTicks = DateTime.Now.Ticks;
try
{
BooleanQuery mainQuery = new BooleanQuery();
if ((!isAdmin) && (!useBackwardCompatibilityMode))
{
AddRoleQueries(userRoles, mainQuery);
}
if ((!isAdmin) && (IncludeModuleRoleFilters))
{
AddModuleRoleQueries(userRoles, mainQuery);
}
Query multiQuery = MultiFieldQueryParser.Parse(
new string[] { queryText, queryText, queryText, queryText, queryText, queryText.Replace("*", string.Empty) },
new string[] { "Title", "ModuleTitle", "contents", "PageName", "PageMetaDesc", "Keyword" },
new StandardAnalyzer());
mainQuery.Add(multiQuery, BooleanClause.Occur.MUST);
if (!useBackwardCompatibilityMode)
{
Term beginDateStart = new Term("PublishBeginDate", DateTime.MinValue.ToString("s"));
Term beginDateEnd = new Term("PublishBeginDate", DateTime.UtcNow.ToString("s"));
RangeQuery beginDateQuery = new RangeQuery(beginDateStart, beginDateEnd, true);
mainQuery.Add(beginDateQuery, BooleanClause.Occur.MUST);
Term endDateStart = new Term("PublishEndDate", DateTime.UtcNow.ToString("s"));
Term endDateEnd = new Term("PublishEndDate", DateTime.MaxValue.ToString("s"));
RangeQuery endDateQuery = new RangeQuery(endDateStart, endDateEnd, true);
mainQuery.Add(endDateQuery, BooleanClause.Occur.MUST);
}
if (moduleIDs != null && moduleIDs.Length > 0)
{
BooleanQuery featureFilter = new BooleanQuery();
moduleIDs.ToList().ForEach(x => {
if (x != Guid.Empty)
{
featureFilter.Add(new TermQuery(new Term("FeatureId", x.ToString())), BooleanClause.Occur.SHOULD);
}
});
if (featureFilter.Clauses().Count > 0)
{
mainQuery.Add(featureFilter, BooleanClause.Occur.MUST);
}
}
IndexSearcher searcher = new IndexSearcher(indexPath);
// a 0 based colection
Hits hits = searcher.Search(mainQuery);
int startHit = 0;
if (pageNumber > 1)
{
startHit = ((pageNumber - 1) * pageSize);
}
totalHits = hits.Length();
int end = startHit + pageSize;
if (totalHits <= end)
{
end = totalHits;
}
int itemsAdded = 0;
int itemsToAdd = end;
// in backward compatibility mode if multiple pages of results are found we amy not be showing every user the correct
// number of hits they can see as we only filter out the current page
//we may decrement total hits if filtering results so keep the original count
int actualHits = totalHits;
if (!useBackwardCompatibilityMode)
{
// this new way is much cleaner
//all filtering is done by query so the hitcount is true
//whereas with the old way it could be wrong since there
// were possibly results filtered out after the query returned.
QueryScorer scorer = new QueryScorer(multiQuery);
Formatter formatter = new SimpleHTMLFormatter("<span class='searchterm'>", "</span>");
Highlighter highlighter = new Highlighter(formatter, scorer);
highlighter.SetTextFragmenter(new SimpleFragmenter(highlightedFragmentSize));
for (int i = startHit; i < itemsToAdd; i++)
{
IndexItem indexItem = new IndexItem(hits.Doc(i), hits.Score(i));
if (highlightResults)
{
try
{
TokenStream stream = new StandardAnalyzer().TokenStream("contents", new StringReader(hits.Doc(i).Get("contents")));
string highlightedResult = highlighter.GetBestFragment(stream, hits.Doc(i).Get("contents"));
if (highlightedResult != null)
{
indexItem.Intro = highlightedResult;
}
}
catch (NullReferenceException) { }
}
results.Add(indexItem);
itemsAdded += 1;
}
}
else
{
//backward compatible with old indexes
int filteredItems = 0;
for (int i = startHit; i < itemsToAdd; i++)
{
bool needToDecrementTotalHits = false;
if (
(isAdmin) ||
(WebUser.IsContentAdmin) ||
(WebUser.IsInRoles(hits.Doc(i).Get("ViewRoles")))
)
{
IndexItem indexItem = new IndexItem(hits.Doc(i), hits.Score(i));
if (
(DateTime.UtcNow > indexItem.PublishBeginDate) &&
(DateTime.UtcNow < indexItem.PublishEndDate)
)
{
results.Add(indexItem);
}
else
{
needToDecrementTotalHits = true;
}
}
else
{
needToDecrementTotalHits = true;
}
//filtered out a result so need to decrement
if (needToDecrementTotalHits)
{
filteredItems += 1;
totalHits -= 1;
//we also are not getting as many results as the page size so if there are more items
//we should increment itemsToAdd
if ((itemsAdded + filteredItems) < actualHits)
{
itemsToAdd += 1;
}
}
}
}
searcher.Close();
results.ItemCount = itemsAdded;
results.PageIndex = pageNumber;
results.ExecutionTime = DateTime.Now.Ticks - startTicks;
}
catch (ParseException ex)
{
invalidQuery = true;
log.Error("handled error for search terms " + queryText, ex);
// these parser exceptions are generally caused by
// spambots posting too much junk into the search form
// heres an option to automatically ban the ip address
HandleSpam(queryText, ex);
return(results);
}
catch (BooleanQuery.TooManyClauses ex)
{
invalidQuery = true;
log.Error("handled error for search terms " + queryText, ex);
return(results);
}
}
return(results);
}
