/// <summary>
/// Get all stops that the route visits
/// </summary>
/// <returns></returns>
public async Task GetStopsOfRoute()
{
List <BusStop> stopList = new List <BusStop>();
if (this.Context == null)
{
return;
}
if (this.Context.Stop_Ids == null)
{
return;
}
NumStopsVisibility = Visibility.Visible;
NumStops = 0;
foreach (string id in this.Context.Stop_Ids)
{
BusStop stop;
if (AppSettings.KnownStops.Value.ContainsKey(id))
{
stop = AppSettings.KnownStops.Value[id];
}
else
{
stop = await TransitLoader.GetStop(id);
if (stop == null)
{
break;
}
await TransitLoader.GetTransitNetwork(stop.Location);
}
stopList.Add(stop);
NumStops++;
}
NumStopsVisibility = Visibility.Collapsed;
// Update Stops Observable Collection
if (LocationTracker.Location != null)
{
stopList = stopList.OrderBy(s => LocationTracker.Location.GetDistanceTo(s.Location)).ToList();
}
int numbering = 0;
foreach (BusStop bs in stopList)
{
numbering++;
bs.Number = numbering;
this.Stops.Add(bs);
}
}
/// <summary>
/// Finds the nearest matching route
/// </summary>
/// <param name="routeName">Name of route</param>
/// <returns></returns>
private static async Task <BusRoute> GetNearestMatchingRoute(string routeName)
{
BusRoute retRoute = null;
if (RouteIDs.ContainsKey(routeName))
{
if (RouteIDs[routeName].Count == 0)
{
return(null);
}
if (RouteIDs[routeName].Count == 1)
{
if (!AppSettings.KnownRoutes.Value.ContainsKey(RouteIDs[routeName][0]))
{
return(null);
}
retRoute = await TransitLoader.GetRoute(RouteIDs[routeName][0]);
return(retRoute);
}
double minDist = double.PositiveInfinity;
foreach (string id in RouteIDs[routeName])
{
if (!AppSettings.KnownRoutes.Value.ContainsKey(id))
{
return(retRoute);
}
var br = AppSettings.KnownRoutes.Value[id];
if (br.Stop_Ids == null || br.Stop_Ids.Count == 0)
{
return(retRoute);
}
BusStop firststop = await TransitLoader.GetStop(br.Stop_Ids[0]);
if (firststop == null)
{
continue;
}
var dist = MyLocation.GetDistanceTo(firststop.Location);
if (minDist > dist)
{
retRoute = br;
minDist = dist;
}
}
return(retRoute);
}
return(null);
}