private List<GeographicalSearchResult> GetSearchResults(SearchUserInput userSearch, int polygonAreaTypeId, ResultsToInclude resultsToInclude)
{
var isPostcode = userSearch.ContainsAnyNumbers;
// Setup the fields to search through
BooleanQuery finalQuery = isPostcode
? GetPostcodeQuery(userSearch.SearchText, FieldNames.Postcode)
: GetPlaceNameQuery(userSearch, polygonAreaTypeId);
// Perform the search
var directory = FSDirectory.Open(new DirectoryInfo(
Path.Combine(ApplicationConfiguration.SearchIndexDirectory, "placePostcodes")));
var searcher = new IndexSearcher(directory, true);
//Add the sorting parameters
var sortBy = new Sort(
new SortField(FieldNames.PlaceTypeWeighting, SortField.INT, true)
);
var docs = searcher.Search(finalQuery, null, ShortResultCount, sortBy);
List<GeographicalSearchResult> searchResults = new List<GeographicalSearchResult>();
int resultCount = docs.ScoreDocs.Length;
for (int i = 0; i < resultCount; i++)
{
ScoreDoc scoreDoc = docs.ScoreDocs[i];
Document doc = searcher.Doc(scoreDoc.Doc);
var geographicalSearchResult = NewGeographicalSearchResult(doc, polygonAreaTypeId, isPostcode);
CheckPolygonAreaCodeIsDefined(polygonAreaTypeId, geographicalSearchResult);
AssignEastingAndNorthing(doc, geographicalSearchResult);
AddResultIfRequired(resultsToInclude, geographicalSearchResult, searchResults);
}
return searchResults;
}
private static void AddResultIfRequired(ResultsToInclude resultsToInclude,
GeographicalSearchResult geographicalSearchResult, List<GeographicalSearchResult> searchResults)
{
bool addResult = true;
switch (resultsToInclude)
{
case ResultsToInclude.ParentAreasOnly:
addResult = geographicalSearchResult.AreCoordinatesValid() == false;
break;
case ResultsToInclude.PlaceNamesAndPostcodesOnly:
addResult = geographicalSearchResult.AreCoordinatesValid();
break;
}
if (addResult)
{
searchResults.Add(geographicalSearchResult);
}
}
