public GetNearestAirportsQueryResult Retrieve(GetNearestAirportsQuery query) { var nearestAirports = _airportsService.GetNearestAirports(query.CurrentLatitude, query.CurrentLongitude)?.ToList(); var dtos = AirportConverter.Instance.ToDto(nearestAirports); return(new GetNearestAirportsQueryResult() { NearestAirports = dtos }); }