public List <PositionModel> GetDirection(PositionModel start, List <PositionModel> saleorders)
{
var response = _client.DistanceMatrix.GetDistanceMatrix(new List <IAddressOrGeoCoordinatesLocation>()
{
start.GetLatLng()
},
saleorders.Select(e => e.GetLatLng()).ToList()
);
if (response.HasErrorMessage)
{
throw new Exception(response.ErrorMessage);
}
var matrixData = response.Rows.First();
var maxDistance = matrixData.Elements.Max(e => e.Distance.Value);
var maxDistanceIndex = matrixData.Elements.ToList().FindIndex(e => e.Distance.Value == maxDistance);
var end = saleorders[maxDistanceIndex];
var waypoints = saleorders.Except(new List <PositionModel>()
{
end
}).ToList();
var directionResponse = _client.Directions.GetDirections(
start.GetLatLng(),
end.GetLatLng(),
TransportationModeEnum.Driving,
waypoints.Select(e => e.GetLatLng()).Cast <Location>().ToList(),
optimizeWaypoints: true);
if (directionResponse.HasErrorMessage)
{
Console.WriteLine("Unable to geocode. Status={0} and ErrorMessage={1}", response.Status,
response.ErrorMessage);
throw new Exception(directionResponse.ErrorMessage);
}
var route = directionResponse.Routes.First();
var sortedWaypoints = waypoints.OrderBy(e => route.WaypointOrder.IndexOf(waypoints.IndexOf(e))).ToList();
sortedWaypoints.Add(end);
return(sortedWaypoints);
}