public ActionResult Search(string query, string corpusName, int? page, string searchType)
{
var pageNumber = page ?? 1;
if (pageNumber <= 0)
pageNumber = 1;
Core.Index.SearchType type;
if (!Enum.TryParse(searchType, true, out type))
type = Core.Index.SearchType.Morphologic;
ViewBag.CurrentIndexName = corpusName;
var q = new SearchQuery
{
IndexName = corpusName,
Query = query,
CurrentPage = pageNumber,
SearchType = type,
};
int totalResults = 0;
IEnumerable<SearchResult> results = null;
try
{
results = Core.Index.Instance.Search(q, out totalResults);
}
catch (ParseException ex)
{
ViewBag.ErrorMessage = "Error: " + ex.Message;
}
ViewBag.TotalResults = totalResults;
ViewBag.Query = q;
ViewBag.CorpusName = corpusName;
return View(results ?? new List<SearchResult>());
}
public IEnumerable<SearchResult> Search(SearchQuery searchQuery, out int totalHitCount)
{
var searcher = GetSearcher(searchQuery.IndexName);
if (searcher == null)
throw new ArgumentException("Index not found: " + searchQuery.IndexName);
// Parse query, possibly throwing a ParseException
Query query;
if (searchQuery.SearchType == SearchType.LuceneDefault)
{
query = MultiFieldQueryParser.Parse(Lucene.Net.Util.Version.LUCENE_29, searchQuery.Query,
searchFieldsLucenesDefault, searchFlags, GetAnalyzer(searchQuery.SearchType));
} else {
query = HebrewMultiFieldQueryParser.Parse(Lucene.Net.Util.Version.LUCENE_29, searchQuery.Query,
searchFields, searchFlags, GetAnalyzer(searchQuery.SearchType));
}
// Log search, if doc-store exists
if (MvcApplication.RavenDocStore != null)
{
using (var session = MvcApplication.RavenDocStore.OpenSession())
{
session.Store(searchQuery);
session.SaveChanges();
}
}
// Init
var fvh = new FastVectorHighlighter(FastVectorHighlighter.DEFAULT_PHRASE_HIGHLIGHT,
FastVectorHighlighter.DEFAULT_FIELD_MATCH,
new SimpleFragListBuilder(),
new CustomFragmentsBuilder("Content", new String[] { "[b]" }, new String[] { "[/b]" }));
var contentFieldName = searchQuery.SearchType == SearchType.LuceneDefault ? "ContentDefault" : "Content";
// Perform actual search
var tsdc = TopScoreDocCollector.create(PageSize * searchQuery.CurrentPage, true);
searcher.Search(query, tsdc);
totalHitCount = tsdc.GetTotalHits();
var hits = tsdc.TopDocs().scoreDocs;
var ret = new List<SearchResult>(PageSize);
int i;
for (i = (searchQuery.CurrentPage - 1) * PageSize; i < hits.Length; ++i)
{
var d = searcher.Doc(hits[i].doc);
var fq = fvh.GetFieldQuery(query);
var fragment = fvh.GetBestFragment(fq, searcher.GetIndexReader(), hits[i].doc, contentFieldName, 400);
ret.Add(new SearchResult
{
Id = d.Get("Id"),
Title = d.Get("Title"),
Score = hits[i].score,
LuceneDocId = hits[i].doc,
Fragment = MvcHtmlString.Create(fragment.HtmlStripFragment()),
});
}
return ret;
}
