// GET: Documents
public ActionResult Index(string searchString)
{
ViewBag.Title = "Документы";
ViewBag.Message = searchString;
var docs = db.Documents.ToList();
foreach (var doc in docs)
{
doc.Text = doc.Text.Replace("\n", "</br>");
}
if (string.IsNullOrEmpty(searchString))
{
return(View(db.Documents.ToList()));
}
var bm25 = new Bm25(db.Documents.ToList());
var foundDocs = bm25.RankDocsByQuery(searchString);
foreach (var doc in foundDocs)
{
doc.Text = doc.Text.Replace($" {searchString}", $" <b><mark>{searchString}</mark></b>");
}
return(View(foundDocs.ToList()));
}
public IEnumerable <DocumentScore> SearchForTerm(int termId, InvertedIndex invertedIndex)
{
var documentHitList = invertedIndex.Search(termId);
var scoreCalculater = new Bm25(NumberOfDocuments, (double)NumberOfTerms / NumberOfDocuments);
foreach (var docHit in documentHitList)
{
var score = scoreCalculater.Score(docHit.DocumentId, documentHitList.Count(), docHit.Offsets.Count(), _documentNumberOfTerms[docHit.DocumentId]);
yield return(new DocumentScore()
{
DocumentId = docHit.DocumentId, Score = score
});
}
}
// GET: Documents
public ActionResult Index(string searchstring)
{
ViewBag.Message = searchstring;
if (string.IsNullOrWhiteSpace(searchstring))
{
return(View(db.Documents.ToList()));
}
var bm25 = new Bm25(db.Documents.ToList());
var search = bm25.RankDocsByQuery(searchstring ?? string.Empty).ToList();
//
foreach (var temp in search)
{
temp.Text = temp.Text.Replace($" {searchstring} ", $"<i><b><mark> {searchstring} </i></mark></b>");
}
return(View(search));
}
