public void SortWaypointsTest()
{
string[] waypoints =
{
$"45.1%2C30.1",
$"45.3%2C30.3",
$"45.3%2C30.1"
};
foreach (string line in waypoints)
{
System.Console.WriteLine(line);
}
GoogleMapsAPI.SortWaypoints(waypoints);
Assert.AreEqual("45.3%2C30.1", waypoints[1]);
}
//A method that let's google handle the directions, shortest path etc.
private async void MapDirections(string message = "")
{
//for diagnostic
numberOfAPICalls++;
Console.WriteLine($"{message} Number Of API Calls: #{numberOfAPICalls}");
map.Polylines.Clear();
if (_currentLocation == null)
{
_currentLocation = await Geolocation.GetLastKnownLocationAsync();
}
Position lastKnownPosition = new Position(_currentLocation.Latitude, _currentLocation.Longitude);
// Position lastKnownPosition = new Position(-46.3, 168);
if (_waypoints.Count > 0 && App.CheckIfInternet())
{
_invoicesCollection.Clear();
if (_waypoints.Count > MAX_WAYPOINTS)
{
GoogleMapsAPI.SortWaypoints(lastKnownPosition, _waypoints.ToArray());
List <Invoice> tempInvoice = new List <Invoice>();
for (int i = 0; i < GoogleMapsAPI._waypointsOrder.Count; i++)
{
tempInvoice.Add(_invoices[GoogleMapsAPI._waypointsOrder[i]]);
}
_invoices = tempInvoice;
}
for (int i = 0; i < _waypoints.Count; i += MAX_WAYPOINTS)
{
string destinationWaypoint;
int waypointCountLeft = _waypoints.Count - i;
string[] orderedWaypoints;
if (waypointCountLeft > MAX_WAYPOINTS)
{
orderedWaypoints = new string[MAX_WAYPOINTS];
_waypoints.CopyTo(i, orderedWaypoints, 0, MAX_WAYPOINTS);
destinationWaypoint = orderedWaypoints[orderedWaypoints.Count() - 1];
}
else
{
orderedWaypoints = new string[waypointCountLeft];
_waypoints.CopyTo(i, orderedWaypoints, 0, waypointCountLeft);
if ((destinationWaypoint = Preferences.Get("EndPointGeoWaypoint", string.Empty)) == "")
{
destinationWaypoint = orderedWaypoints[orderedWaypoints.Count() - 1];
}
}
_direction = await GoogleMapsAPI.MapDirectionsWithWaypoints(lastKnownPosition, destinationWaypoint, orderedWaypoints);
string[] newCurrentPosition = orderedWaypoints[orderedWaypoints.Count() - 1].Split(new string[] { "%2C" }, StringSplitOptions.None);
lastKnownPosition = new Position(Convert.ToDouble(newCurrentPosition[0]), Convert.ToDouble(newCurrentPosition[1]));
//Only create a line if it returns something from google
if (_direction.Status != "ZERO_RESULTS" && _direction.Routes.Count > 0)
{
AddPolyLine();
foreach (int order in GoogleMapsAPI._waypointsOrder)
{
_invoicesCollection.Add(_invoices[order + i]);
}
}
else
{
await DisplayAlert("Oops", "Unable to map the directions, Please make sure the address entered is legit", "OK");
}
}
DeliveryItemView.ItemsSource = _invoicesCollection;
}
else if (_waypoints.Count() == 0 && App.CheckIfInternet())
{
string destinationPoint;
if ((destinationPoint = Preferences.Get("EndPointGeoWaypoint", string.Empty)) == "")
{
return;
}
_direction = await GoogleMapsAPI.MapDirectionsNoWaypoints(lastKnownPosition, destinationPoint);
if (_direction.Status != "ZERO_RESULTS" && _direction.Routes.Count > 0)
{
AddPolyLine();
}
}
}