private async Task TrackGhostVehicles(bool saveTrolleysToDB)
{
// Copy array to handle ghost route modification in loop
var workGhostRoutes = new Syncromatics.Route[ghostRoutes.Count];
ghostRoutes.CopyTo(workGhostRoutes);
foreach (var syncroRoute in workGhostRoutes)
{
await CheckForVehiclesOnRoute(syncroRoute, saveTrolleysToDB);
}
}
/// <summary>
/// Copy of GetVehiclesOnRoute - kludge to handle 'ghost vehicles' not
/// on route.
/// </summary>
/// <param name="route"></param>
/// <param name="saveTrolleysToDB">True if time to save trolley positions</param>
private async Task CheckForVehiclesOnRoute(Syncromatics.Route syncromaticsRoute, bool saveTrolleysToDB)
{
var vehicles = await syncromatics.GetVehiclesOnRoute(syncromaticsRoute.id);
if (vehicles.Count == 0)
{
if (ghostRoutes.Contains(syncromaticsRoute))
{
// Drive logged out of this route
ghostRoutes.Remove(syncromaticsRoute);
}
return;
}
foreach (var vehicle in vehicles)
{
if (lastVehicleUpdateTime.ContainsKey(vehicle.id))
{
// Check for stall (no update from Syncromatics)
if (lastVehicleUpdateTime[vehicle.id] == vehicle.lastUpdated)
{
//Trace.WriteLine("Stalled vehicle, syncromatics # " + vehicle.name);
continue;
}
lastVehicleUpdateTime[vehicle.id] = vehicle.lastUpdated;
}
else
{
lastVehicleUpdateTime.Add(vehicle.id, vehicle.lastUpdated);
}
var trolley = FindMatchingTrolley(vehicle);
if (trolley != null)
{
Trace.WriteLine("Tracking Ghost trolley " + trolley.Number);
trolley.CurrentLat = vehicle.lat;
trolley.CurrentLon = vehicle.lon;
trolley.Capacity = vehicle.capacity;
trolley.PassengerLoad = vehicle.passengerLoad;
var colorBlack = "#000000";
if (trolley.IconColorRGB != colorBlack)
{
trolley.IconColorRGB = colorBlack;
saveTrolleysToDB = true;
}
trolley.LastBeaconTime = UTCToLocalTime.LocalTimeFromUTC(DateTime.UtcNow);
if (saveTrolleysToDB)
{
await SaveTrolleyToDB(trolley);
}
TrolleyCache.UpdateTrolley(trolley);
StopArrivalTime.UpdateTrolleyStopArrivalTime(trolley);
if (!ghostRoutes.Contains(syncromaticsRoute))
{
ghostRoutes.Add(syncromaticsRoute);
}
}
}
}