public async Task <StoreQueryResponse> SearchAsync(StoreQueryRequest query)
{
var searchParameters = new SearchParameters()
{
IncludeTotalResultCount = true,
SearchMode = SearchMode.All,
Filter = BuildFilter(query)
};
var result = await this.searchIndexClient.Documents.SearchAsync <Store>("*", searchParameters);
var response = new StoreQueryResponse()
{
TotalCount = result.Count.GetValueOrDefault(),
Results = result.Results.Select(sr => sr.Document).ToList()
};
return(response);
}
private string BuildFilter(StoreQueryRequest query)
{
var filterClauses = new List <string>();
if (query is StoreDistanceQueryRequest distanceQuery)
{
var location = new GeoLocation()
{
Type = "Point", Coordinates = new[] { distanceQuery.Latitude, distanceQuery.Longitude }
};
var distanceFilter = string.Format(
CultureInfo.InvariantCulture,
"geo.distance(location, geography'{0}') le {1}",
location.AsPoint(),
distanceQuery.Distance);
filterClauses.Add(distanceFilter);
}
else if (query is StoreAreaQueryRequest areaQuery)
{
var northWest = new GeoLocation()
{
Type = "Point", Coordinates = new[] { areaQuery.NwLatitude, areaQuery.NwLongitude }
};
var southEast = new GeoLocation()
{
Type = "Point", Coordinates = new[] { areaQuery.SeLatitude, areaQuery.SeLongitude }
};
var distanceFilter = string.Format(
CultureInfo.InvariantCulture,
"geo.intersects(location, geography'{0}')",
northWest.AsPolygon(southEast));
filterClauses.Add(distanceFilter);
}
return(string.Join(" and ", filterClauses));
}
