private static ScoreDoc[] Query(QueryDto queryDto)
{
var searcher = WebApiApplication.Searcher;
GeoLocation geoLocation = GeoLocation.FromDegrees(queryDto.Latitude, queryDto.Longitude);
GeoLocation[] bounds = geoLocation.BoundingCoordinates(queryDto.Radius);
double latFrom = bounds[0].getLatitudeInDegrees();
double latTo = bounds[1].getLatitudeInDegrees();
double lngFrom = bounds[0].getLongitudeInDegrees();
double lngTo = bounds[1].getLongitudeInDegrees();
NumericRangeQuery <double> latQuery = NumericRangeQuery.NewDoubleRange("latitude", latFrom, latTo, true, true);
latQuery.Boost = 1.5f;
NumericRangeQuery <double> lngQuery = NumericRangeQuery.NewDoubleRange("longitude", lngFrom, lngTo, true,
true);
lngQuery.Boost = 1.5f;
var query = new BooleanQuery
{
{ latQuery, Occur.MUST },
{ lngQuery, Occur.MUST }
};
if (!string.IsNullOrEmpty(queryDto.Query))
{
var standardAnalyzer = new StandardAnalyzer(Version.LUCENE_30);
var innerQuery = new BooleanQuery
{
{
new QueryParser(Version.LUCENE_30, "product_name", standardAnalyzer).Parse(queryDto.Query),
Occur.SHOULD
},
{
new QueryParser(Version.LUCENE_30, "product_description", standardAnalyzer).Parse(queryDto.Query),
Occur.SHOULD
},
};
if (!queryDto.Query.Contains("~"))
{
Query q = new QueryParser(Version.LUCENE_30, "product_name", standardAnalyzer).Parse(queryDto.Query + "~");
q.Boost = 0.75f;
innerQuery.Add(q, Occur.SHOULD);
Query q2 = new QueryParser(Version.LUCENE_30, "product_description", standardAnalyzer).Parse(queryDto.Query + "~");
q2.Boost = 0.75f;
innerQuery.Add(q2, Occur.SHOULD);
}
query.Add(innerQuery, Occur.MUST);
}
TopDocs topDocs = searcher.Search(query, 100);
ScoreDoc[] hits = topDocs.ScoreDocs;
return(hits);
}
