/// <summary>
/// Gets the directions poly line.
/// </summary>
/// <returns>The directions poly line.</returns>
/// <param name="startCoordinate">Start coordinate.</param>
/// <param name="destinationCoordinate">Destination coordinate.</param>
/// <param name="mode">Mode.</param>
public IObservable <GoogleGeocodeContract> GetDirectionsPolyLine(GeoCoordinate startCoordinate,
GeoCoordinate destinationCoordinate,
GoogleMapsTravelModes mode)
{
var startLatString = startCoordinate.Latitude.ToString().Replace(',', '.');
var startLongString = startCoordinate.Longitude.ToString().Replace(',', '.');
var destLatString = destinationCoordinate.Latitude.ToString().Replace(',', '.');
var destLongString = destinationCoordinate.Longitude.ToString().Replace(',', '.');
var startString = startLatString + "," + startLongString;
var destinationString = destLatString + "," + destLongString;
string param = string.Format(Config.DirectionParamsUrl, startString, destinationString, Config.GoogleApiKey);
param += string.Format("&mode={0}", mode.ToString().ToLower());
var directionsUrl = string.Format("/{0}", Config.DirectionsUrl + param);
return(SendInternal <GoogleGeocodeContract>(directionsUrl, string.Empty, HttpMethod.Get));
}
/// <summary>
/// Creates the path async.
/// </summary>
/// <returns>The path async.</returns>
public IObservable <Unit> CreatePathAsync(GoogleMapsTravelModes travelMode)
{
IsLoading = true;
IsError = false;
_currentTravelMode = travelMode;
var startCoordinate = new GeoCoordinate(CurrentLocation.Latitude, CurrentLocation.Longitude);
return(GoogleMapsWebServiceController
.GetDirectionsPolyLine(startCoordinate, _endCoordinate, _currentTravelMode)
.ObserveOn(this.Scheduler)
.Catch <GoogleGeocodeContract, Exception>(error =>
{
DidException(error, "Select failed using call to web service GetEReactiveUIAroundMeById");
return Observable.Empty <GoogleGeocodeContract>();
})
.Do(geocode =>
{
IsLoading = false;
var routes = geocode.Routes;
var route = routes?.Length > 0 ? routes[0] : null;
if (route != null)
{
var polyline = route.Bounds;
var path = CreatePath(route.OverviewPolyline.Points);
// update new path
PathUpdate?.Invoke(this, new PathUpdateEventArgs()
{
StartCoordinate = startCoordinate,
EndCoordinate = _endCoordinate,
Path = path,
});
}
}).Select(x => Unit.Default));
}
