public RouteViewModel()
{
HttpResponseMessage response;
WebApiHelper skladisteService = new WebApiHelper("http://localhost:2618/", "api/Skladista");
List <Skladista> skla = new List <Skladista>();
response = skladisteService.GetResponse();
if (response.IsSuccessStatusCode)
{
skla = response.Content.ReadAsAsync <List <Skladista> >().Result;
}
_locations = new ObservableCollection <Location>();
foreach (Skladista x in skla)
{
if (x.Latitude != null && x.Longitude != null)
{
Location a = new Location(x.Naziv, x.Adresa, new Position(Convert.ToDouble(x.Longitude), Convert.ToDouble(x.Latitude)));
_locations.Add(a);
}
Skladistalist.Add(x);
}
mapa = new Xamarin.Forms.Maps.Map();
services = new OSRMRouteService();
dr = new RouteHlpClass();
GetRouteCommand = new Command(async() => await loadRouteAsync(Skladiste, Destinacija));
RouteDistance = RouteDuration = "0";
}
private async Task loadRouteAsync(LatLong Skladiste, LatLong destination)
{
string message = string.Empty;
var current = Xamarin.Essentials.Connectivity.NetworkAccess;
try
{
if (current != Xamarin.Essentials.NetworkAccess.Internet)
{
Exception a = new Exception("Niste povezani na internet");
throw a;
}
List <Route> routes = new List <Route>();
List <LatLong> locations = new List <LatLong>();
List <Step> steps = new List <Step>();
List <Intersection> intersections = new List <Intersection>();
List <Leg> legs = new List <Leg>();
if (destination != null)
{
dr = await services.GetRouteHlpAsync(Skladiste, destination);
if (dr != null)
{
await Task.Delay(1000);
routes = dr.Routes.ToList();
RouteDuration = Math.Round((Double)routes[0].Duration / 60, 0).ToString();
RouteDistance = Math.Round((Double)routes[0].Distance / 1000, 1).ToString();
Global.aktivnaNarudzba.UdaljenostRute = RouteDistance;
Global.aktivnaNarudzba.VrijemeRute = RouteDuration;
Global._udaljenosthlp = RouteDistance;
Global._vrijemethlp = RouteDuration;
foreach (var route in routes)
{
legs = route.Legs.ToList();
}
foreach (var leg in legs)
{
steps = leg.Steps.ToList();
}
foreach (var step in steps)
{
var intersectionsLocal = step.Intersections.ToList();
foreach (var inter in intersectionsLocal)
{
intersections.Add(inter);
}
}
foreach (var inter in intersections)
{
LatLong p = new LatLong();
p.Lat = inter.Location[0];
p.Lng = inter.Location[1];
locations.Add(p);
}
Polyline polyline = new Polyline
{
StrokeColor = System.Drawing.Color.Red,
StrokeWidth = 5,
};
mapa.MapElements.Clear();
foreach (var latlong in locations)
{
polyline.Geopath.Add(new Position(latlong.Lng, latlong.Lat));
}
mapa.MapElements.Add(polyline);
}
}
}
catch (Exception)
{
RouteDistance = "Out of range ";
}
}