/// <summary>
/// google maps function for calculate distances
/// This function doesn't work and get stuck.
/// </summary>
/// <param name="source"></param>
/// <param name="dest"></param>
/// <returns>distance</returns>
public static int CalculateDistance(string source, string dest)
{
var drivingDirectionRequest = new GoogleMapsApi.Entities.Directions.Request.DirectionsRequest
{
TravelMode = GoogleMapsApi.Entities.Directions.Request.TravelMode.Walking,
Origin = source,
Destination = dest,
};
GoogleMapsApi.Entities.Directions.Response.DirectionsResponse drivingDirections = GoogleMaps.Directions.Query(drivingDirectionRequest); // This is the line that stuck the program
GoogleMapsApi.Entities.Directions.Response.Route route = drivingDirections.Routes.First();
GoogleMapsApi.Entities.Directions.Response.Leg leg = route.Legs.First();
return(leg.Distance.Value);
}
public static int getDistance(String source, string dest)
{
var dircetionRequest = new GoogleMapsApi.Entities.Directions.Request.DirectionsRequest
{
TravelMode = GoogleMapsApi.Entities.Directions.Request.TravelMode.Walking,
Origin = source,
Destination = dest,
};
var drivingDirections = GoogleMaps.Directions.Query(dircetionRequest);
var route = drivingDirections.Routes.First();
var leg = route.Legs.First();
return(leg.Distance.Value);
}
public async Task <Plan> GetDirectionsAsync(TransitDirectionsRequest r)
{
var request = new GoogleMapsApi.Entities.Directions.Request.DirectionsRequest()
{
Destination = FormatCoordinate(r.To),
Origin = FormatCoordinate(r.From),
TravelMode = GoogleMapsApi.Entities.Directions.Request.TravelMode.Transit,
ApiKey = options.GoogleMapsApiKey
};
if (r.ArriveBy)
{
request.ArrivalTime = r.DateTime.UtcDateTime;
}
else
{
request.DepartureTime = r.DateTime.UtcDateTime;
}
var res = await GoogleMapsApi.GoogleMaps.Directions.QueryAsync(request);
if (!res.Routes.Any())
{
return(null);
}
var routes = res.Routes
.Where(v => v.Legs.Any() && v.Legs.First().Steps.Any(b => b.TravelMode == GoogleMapsApi.Entities.Directions.Request.TravelMode.Transit))
.Select(v => v.Legs.First()).Select(v => new Itinerary()
{
EndTime = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Add(v.ArrivalTime.Value),
StartTime = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Add(v.DepartureTime.Value),
Legs = v.Steps.Where(step => step.TravelMode == GoogleMapsApi.Entities.Directions.Request.TravelMode.Transit).Select(step => new Leg()
{
To = null != step.TransitDetails?.ArrivalStop ? new Place()
{
Coordinate =
new Coordinate()
{
Lat = step.TransitDetails.ArrivalStop.Location.Latitude,
Lng = step.TransitDetails.ArrivalStop.Location.Longitude
},
Name = step.TransitDetails.ArrivalStop.Name
} : null,
From = null != step.TransitDetails?.DepartureStop ? new Place()
{
Coordinate =
new Coordinate()
{
Lat = step.TransitDetails.DepartureStop.Location.Latitude,
Lng = step.TransitDetails.DepartureStop.Location.Longitude
},
Name = step.TransitDetails.DepartureStop.Name
} : null,
Headsign = step.TransitDetails.Headsign,
Line = null != step.TransitDetails.Lines ? new Models.Line()
{
Name = step.TransitDetails.Lines.Name,
ShortName = step.TransitDetails.Lines.ShortName,
VehicleType = "Unknown"
} : null,
EndTime = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Add(step.TransitDetails.ArrivalTime.Value),
StartTime = new DateTimeOffset(1970, 1, 1, 0, 0, 0, TimeSpan.Zero).Add(step.TransitDetails.DepartureTime.Value),
NumStops = step.TransitDetails.NumberOfStops
}).ToArray()
}).ToArray();
return(new Plan()
{
Itineraries = routes
});
}
