public async Task TestBasicOperation()
{
var client = new GeoDirectionsClient("gme-quantumit", "SMwlqqfA_96refkab9Gd8kxGmuw=");
var request = new GeoDirectionsRequest();
request.TravelMode = TravelMode.Transit;
request.TransitMode = TransitMode.Bus;
request.Origin = new GeoCoordinate() { Longitude = 53.21742417, Latitude = -2.603484875 };
request.Destination = new GeoCoordinate() { Longitude = 53.0, Latitude = -2.603484875 };
var result = await client.GetDirections(request);
Console.WriteLine(result);
}
private string BuildUri(GeoDirectionsRequest request)
{
var options = new GeoDirectionsRequestVisitor().Visit(_mode, request).ToList();
if (options.Count < 2) throw new Exception("Cannot call Directions API with no origin and destination parameters");
var joinedOptions = string.Join("&", options);
switch (_mode)
{
case UsageMode.ClientKey:
joinedOptions = string.Format("{0}&key={1}", joinedOptions, _clientKey);
break;
case UsageMode.ApiForWork:
joinedOptions = string.Format("{0}&client={1}", joinedOptions, _clientId);
var signature = GeoHmacSignatureBuilder.GetSignature(string.Format("{0}{1}",ApiPath, joinedOptions), _cryptoKey);
joinedOptions = string.Format("{0}&signature={1}", joinedOptions, signature);
break;
}
return string.Format("{0}{1}{2}", Domain, ApiPath, joinedOptions);
}
public async Task<GeoDirectionsResponse> GetDirections(GeoDirectionsRequest request)
{
var url = BuildUri(request);
string json;
var httpRequest = WebRequest.CreateHttp(url);
using (var ms = new MemoryStream())
{
using (var response = await httpRequest.GetResponseAsync())
using (var body = response.GetResponseStream())
{
if (body != null) await body.CopyToAsync(ms);
}
json = Encoding.UTF8.GetString(ms.ToArray());
}
return JsonConvert.DeserializeObject<GeoDirectionsResponse>(json);
}
internal IEnumerable<string> Visit(UsageMode usageMode, GeoDirectionsRequest request)
{
_result = new List<string>();
_usageMode = usageMode;
_request = request;
// Visit all of the request properties and determine if the parameter is valid within the context of the call.
VistRequiredParameters();
VisitMode();
VisitWaypoints();
VisitAlternatives();
VisitRouteRestrictions();
VisitLanguage();
VisitUnits();
VisitRegion();
VisitDepartureTime();
VisitArrivalTime();
VisitTransitMode();
VisitTransitRoutingPreference();
return _result;
}
