protected virtual Lucene.Net.Search.Query VisitWithinRadius(WithinRadiusNode node, LuceneQueryMapperState mappingState)
{
SpatialContext ctx = SpatialContext.GEO;
var strategy = new PointVectorStrategy(ctx, Sitecore.ContentSearch.Spatial.Common.Constants.LocationFieldName);
if (node.Latitude is double && node.Longitude is double && node.Radius is double)
{
var distance = DistanceUtils.Dist2Degrees((double)node.Radius, DistanceUtils.EARTH_MEAN_RADIUS_MI);
Circle circle = ctx.MakeCircle((double)node.Longitude, (double)node.Latitude, distance);
var spatialArgs = new SpatialArgs(SpatialOperation.Intersects, circle);
var dq = strategy.MakeQuery(spatialArgs);
DistanceReverseValueSource valueSource = new DistanceReverseValueSource(strategy, circle.GetCenter(), distance);
ValueSourceFilter vsf = new ValueSourceFilter(new QueryWrapperFilter(dq), valueSource, 0, distance);
var filteredSpatial = new FilteredQuery(new MatchAllDocsQuery(), vsf);
Lucene.Net.Search.Query spatialRankingQuery = new FunctionQuery(valueSource);
BooleanQuery bq = new BooleanQuery();
bq.Add(filteredSpatial, Occur.MUST);
bq.Add(spatialRankingQuery, Occur.MUST);
return(bq);
}
throw new NotSupportedException("Wrong parameters type, Radius, latitude and longitude must be of type double");
}
protected virtual Lucene.Net.Search.Query VisitWithinRadius(WithinRadiusNode node, LuceneQueryMapperState mappingState)
{
SpatialContext ctx = SpatialContext.GEO;
var strategy = new PointVectorStrategy(ctx, Sitecore.ContentSearch.Spatial.Common.Constants.LocationFieldName);
if (node.Latitude is double && node.Longitude is double && node.Radius is double)
{
var distance = DistanceUtils.Dist2Degrees((double)node.Radius, DistanceUtils.EARTH_MEAN_RADIUS_MI);
Circle circle = ctx.MakeCircle((double)node.Longitude, (double)node.Latitude, distance);
var spatialArgs = new SpatialArgs(SpatialOperation.IsWithin, circle);
var dq = strategy.MakeQuery(spatialArgs);
DistanceReverseValueSource valueSource = new DistanceReverseValueSource(strategy, circle.GetCenter(), distance);
ValueSourceFilter vsf = new ValueSourceFilter(new QueryWrapperFilter(dq), valueSource, 0, distance);
var filteredSpatial = new FilteredQuery(new MatchAllDocsQuery(), vsf);
mappingState.FilterQuery = filteredSpatial;
Lucene.Net.Search.Query spatialRankingQuery = new FunctionQuery(valueSource);
Random r = new Random(DateTime.Now.Millisecond);
var randomNumber = r.Next(10000101, 11000101);
Lucene.Net.Search.Query dummyQuery = Lucene.Net.Search.NumericRangeQuery.NewIntRange("__smallcreateddate", randomNumber, Int32.Parse(DateTime.Now.ToString("yyyyMMdd")), true, true);
BooleanQuery bq = new BooleanQuery();
bq.Add(filteredSpatial, Occur.MUST);
bq.Add(spatialRankingQuery, Occur.MUST);
bq.Add(dummyQuery, Occur.SHOULD);
return(bq);
}
throw new NotSupportedException("Wrong parameters type, Radius, latitude and longitude must be of type double");
}
protected virtual AbstractSolrQuery VisitWithinRadius(WithinRadiusNode radiusNode, SolrQueryMapper.SolrQueryMapperState state)
{
var orignialQuery = this.Visit(radiusNode.SourceNode, state);
var spatialQuery = new SolrQuery(string.Format("{{!geofilt pt={0},{1} sfield={2} d={3} score=distance}}", radiusNode.Lat, radiusNode.Lon, radiusNode.Field, (int)radiusNode.Radius));
var combinedQuery = orignialQuery && spatialQuery;
return(combinedQuery);
}
/// <summary>
/// Provides a Geo Spatial Search Query linq provider.
/// </summary>
/// <param name="radiusNode"></param>
/// <param name="state"></param>
/// <returns></returns>
protected virtual string VisitWithinRadius(WithinRadiusNode radiusNode, CloudQueryMapper.CloudQueryMapperState state)
{
var orderBy = string.Empty;
if ((bool)radiusNode.DistanceSort)
{
orderBy = $"&$orderby=geo.distance({radiusNode.FieldName}, geography'POINT({radiusNode.Longitude} {radiusNode.Latitude})') asc";
}
var queryText = $"&search=*&$top={radiusNode.MaxResults}&$filter=geo.distance({radiusNode.FieldName}, geography'POINT({radiusNode.Longitude} {radiusNode.Latitude})') le {radiusNode.Radius}{orderBy}";
return(queryText);
}
protected virtual Sitecore.ContentSearch.Linq.Nodes.QueryNode VisitWithinRadius(WithinRadiusNode node, LuceneQueryOptimizerState mappingState)
{
return(new WithinRadiusNode(node.Field, node.Latitude, node.Longitude, node.Radius, mappingState.Boost));
}
/// <summary>
/// The visit within radius.
/// </summary>
/// <param name="radiusNode">
/// The radius node.
/// </param>
/// <param name="state">
/// The state.
/// </param>
/// <returns>
/// The <see cref="QueryNode"/>.
/// </returns>
private QueryNode VisitWithinRadius(WithinRadiusNode radiusNode, CloudQueryOptimizerState state)
{
return(new WithinRadiusNode(radiusNode.Latitude, radiusNode.Longitude, radiusNode.FieldName, radiusNode.Radius, radiusNode.DistanceSort, radiusNode.MaxResults));
}
private QueryNode VisitWithinRadius(WithinRadiusNode radiusNode, SolrQueryOptimizerState state)
{
return(new WithinRadiusNode(this.Visit(radiusNode.SourceNode, state), radiusNode.Field, radiusNode.Lat, radiusNode.Lon, radiusNode.Radius));
}
