private async Task <IndexModel> BuildIndexModel(IndexModel model, GetAirportsRequest req)
{
var extResult = await _externalService.GetAirportsData(new[] { req.DepartureAirport, req.ArrivalAirport });
if (extResult.Length == 2)
{
var calcResult = _calculationService.CalculateGeoDistance(extResult[0].Location, extResult[1].Location);
model.Fill(extResult[0], extResult[1], calcResult);
model.GoogleMapsUrl = $"{_config.GoogleMapsDirectionsEmbedUrl}?origin={extResult[0].Location.LatLonFormatted}&destination={extResult[1].Location.LatLonFormatted}&mode=flying&key={_config.GoogleMapsApiKey}";
}
else
{
model.Errors.Add("External service returned invalid result.");
}
return(model);
}