public static void UpdateTrolley(Trolley trolley)
{
lock (_lock)
{
if (!trolleyCache.ContainsKey(trolley.ID))
{
var runningTrolley = new RunningTrolley(trolley);
trolleyCache.Add(trolley.ID, runningTrolley);
}
else
{
var runningTrolley = trolleyCache[trolley.ID];
if (trolley.CurrentLat.HasValue)
{
runningTrolley.Lat = (double)trolley.CurrentLat;
}
if (trolley.CurrentLon.HasValue)
{
runningTrolley.Lon = (double)trolley.CurrentLon;
}
runningTrolley.LastUpdated = DateTime.Now;
}
}
}
public static void UpdateTrolley(Trolley trolley)
{
lock (_lock)
{
if (!trolleyCache.ContainsKey(trolley.ID))
{
var runningTrolley = new RunningTrolley(trolley);
trolleyCache.Add(trolley.ID, runningTrolley);
}
else
{
var runningTrolley = trolleyCache[trolley.ID];
if (trolley.CurrentLat.HasValue)
{
runningTrolley.Lat = (double)trolley.CurrentLat;
}
if (trolley.CurrentLon.HasValue)
{
runningTrolley.Lon = (double)trolley.CurrentLon;
}
runningTrolley.LastUpdated = DateTime.Now;
runningTrolley.PassengerLoad = trolley.PassengerLoad;
runningTrolley.IconColorRGB = trolley.IconColorRGB;
runningTrolley.Capacity = trolley.Capacity;
}
}
}
/// <summary>
/// Reset trolley tracking info if color changes (assigned to new route)
/// </summary>
/// <param name="trolley"></param>
public static void ResetTrolleyInfo(Trolley trolley)
{
lock (_lock)
{
if (trolleyTrackingInfo.ContainsKey(trolley.ID))
{
trolleyTrackingInfo.Remove(trolley.ID);
}
}
}
private static void CreateTrackingInfo(Trolley trolley)
{
var newTrackingInfo = new TrolleyTrackingInfo(trolley);
if (activeRoutes.Count == 1)
{
// For a single active route, all trolleys follow that route
newTrackingInfo.CurrentRoute = activeRoutes.First().Value;
}
trolleyTrackingInfo.Add(trolley.ID, newTrackingInfo);
}
private static void UpdateStopTime(Trolley trolley)
{
UpdateStopList();
// See if trolley has moved far enough to justify a full stop distance check
var currentLocation = new Coordinate((double)trolley.CurrentLat, (double)trolley.CurrentLon);
if (currentLocation.GreatCircleDistance(lastReportedLocation[trolley.Number]) > MinMoveDistance)
{
CheckForStopInRange(trolley, currentLocation);
lastReportedLocation[trolley.Number] = currentLocation;
}
}
public RunningTrolley(Trolley trolley)
{
ID = trolley.ID;
// lat, lon = 0,0 if no values
if (trolley.CurrentLat.HasValue)
{
Lat = (double)trolley.CurrentLat;
}
if (trolley.CurrentLon.HasValue)
{
Lon = (double)trolley.CurrentLon;
}
LastUpdated = DateTime.Now;
}
/// <summary>
/// Check for stop proximity - try to minimize number of polled stops
/// - First preference is the previous stop
/// Then loop through all stops
/// </summary>
/// <param name="trolley"></param>
/// <param name="currentLocation"></param>
private static void CheckForStopInRange(Trolley trolley, Coordinate currentLocation)
{
//var lastStopID = -1;
if (lastStopIDByTrolley.ContainsKey(trolley.Number))
{
var stopID = lastStopIDByTrolley[trolley.Number];
var stopSummary = stopSummaries[stopID];
if (currentLocation.GreatCircleDistance(new Coordinate(stopSummary.Lat, stopSummary.Lon)) < StopRadiusCheck)
{
// Still within stop zone
return;
}
}
foreach (var stopID in stopSummaries.Keys)
{
var stopSummary = stopSummaries[stopID];
if (currentLocation.GreatCircleDistance(new Coordinate(stopSummary.Lat, stopSummary.Lon)) < StopRadiusCheck)
{
// Found new stop zone
if (stopSummary.LastTrolleyArrivalTime.ContainsKey(trolley.Number))
{
stopSummary.LastTrolleyArrivalTime[trolley.Number] = UTCToLocalTime.LocalTimeFromUTC(DateTime.UtcNow);
}
else
{
stopSummary.LastTrolleyArrivalTime.Add(trolley.Number, UTCToLocalTime.LocalTimeFromUTC(DateTime.UtcNow));
}
if (lastStopIDByTrolley.ContainsKey(trolley.Number))
{
lastStopIDByTrolley[trolley.Number] = stopSummary.ID;
}
else
{
lastStopIDByTrolley.Add(trolley.Number, stopSummary.ID);
}
return;
}
}
// Not currently in any stop zone
if (lastStopIDByTrolley.ContainsKey(trolley.Number))
{
lastStopIDByTrolley.Remove(trolley.Number);
}
}
/// <summary>
/// Check and record time seen at each stop
/// </summary>
/// <param name="trolley"></param>
public static void UpdateTrolleyStopArrivalTime(Trolley trolley)
{
if ((trolley.CurrentLat == null) || (trolley.CurrentLon == null))
{
return;
}
lock (_lock)
{
if (!lastReportedLocation.ContainsKey(trolley.Number))
{
lastReportedLocation.Add(trolley.Number, new Coordinate((double)trolley.CurrentLat, (double)trolley.CurrentLon));
}
else
{
UpdateStopTime(trolley);
}
}
}
/// <summary>
/// Check and record time seen at each stop
/// </summary>
/// <param name="trolley"></param>
public static void UpdateTrolleyStopArrivalTime(Trolley trolley)
{
if ((trolley.CurrentLat == null) || (trolley.CurrentLon == null))
{
return;
}
lock (_lock)
{
if (!lastReportedLocation.ContainsKey(trolley.Number))
{
lastReportedLocation.Add(trolley.Number, new Coordinate((double)trolley.CurrentLat, (double)trolley.CurrentLon));
}
else
{
UpdateStopTime(trolley);
}
}
}
/// <summary>
/// Assign trollies to route, for now based on color match.
/// If there is only 1 active route, assign all trollies to that route, regardless of color
/// </summary>
private static void MatchTrolleyToRoute(Trolley trolley)
{
if (activeRoutes.Count == 1)
{
var activeRoute = activeRoutes.First().Value;
var trackingInfo = trolleyTrackingInfo[trolley.ID];
trackingInfo.CurrentRoute = activeRoute;
}
else
{
foreach (var route in activeRoutes.Values)
{
if (route.RouteColorRGB == trolley.IconColorRGB)
{
var trackingInfo = trolleyTrackingInfo[trolley.ID];
trackingInfo.CurrentRoute = route;
break;
}
}
}
}
/// <summary>
/// Check and record time seen at each stop
/// </summary>
/// <param name="trolley"></param>
public static void UpdateTrolleyStopArrivalTime(Trolley trolley)
{
if ((trolley.CurrentLat == null) || (trolley.CurrentLon == null))
{
return;
}
lock (_lock)
{
RefreshStaticData();
if (runningTrolleys.Count == 0)
{
trolleyTrackingInfo.Clear();
return; // Nothing on the schedule
}
if (!trolleyTrackingInfo.ContainsKey(trolley.ID))
{
CreateTrackingInfo(trolley);
}
if (trolleyTrackingInfo[trolley.ID].CurrentRoute == null)
{
// Match will be repeatedly tried until there is a match
MatchTrolleyToRoute(trolley);
}
if (trolleyTrackingInfo[trolley.ID].CurrentRoute == null)
{
// Unable to match trolley to any route
return;
}
var trackingInfo = trolleyTrackingInfo[trolley.ID];
trackingInfo.CurrentTrolley = trolley;
UpdateStopTime(trackingInfo);
}
}
private static void UpdateStopTime(Trolley trolley)
{
UpdateStopList();
// See if trolley has moved far enough to justify a full stop distance check
var currentLocation = new Coordinate((double)trolley.CurrentLat, (double)trolley.CurrentLon);
if (currentLocation.GreatCircleDistance(lastReportedLocation[trolley.Number]) > MinMoveDistance)
{
CheckForStopInRange(trolley, currentLocation);
lastReportedLocation[trolley.Number] = currentLocation;
}
}
/// <summary>
/// Check for stop proximity - try to minimize number of polled stops
/// - First preference is the previous stop
/// Then loop through all stops
/// </summary>
/// <param name="trolley"></param>
/// <param name="currentLocation"></param>
private static void CheckForStopInRange(Trolley trolley, Coordinate currentLocation)
{
//var lastStopID = -1;
if (lastStopIDByTrolley.ContainsKey(trolley.Number) )
{
var stopID = lastStopIDByTrolley[trolley.Number];
var stopSummary = stopSummaries[stopID];
if (currentLocation.GreatCircleDistance(new Coordinate(stopSummary.Lat, stopSummary.Lon)) < StopRadiusCheck) {
// Still within stop zone
return;
}
}
foreach(var stopID in stopSummaries.Keys)
{
var stopSummary = stopSummaries[stopID];
if (currentLocation.GreatCircleDistance(new Coordinate(stopSummary.Lat, stopSummary.Lon)) < StopRadiusCheck)
{
// Found new stop zone
if (stopSummary.LastTrolleyArrivalTime.ContainsKey(trolley.Number))
{
stopSummary.LastTrolleyArrivalTime[trolley.Number] = UTCToLocalTime.LocalTimeFromUTC(DateTime.UtcNow);
}
else
{
stopSummary.LastTrolleyArrivalTime.Add(trolley.Number, UTCToLocalTime.LocalTimeFromUTC(DateTime.UtcNow));
}
lastStopIDByTrolley.Add(trolley.Number, stopSummary.ID);
return;
}
}
// Not currently in any stop zone
if (lastStopIDByTrolley.ContainsKey(trolley.Number))
{
lastStopIDByTrolley.Remove(trolley.Number);
}
}
public TrolleyTrackingInfo(Trolley trolley)
{
LastStopID = -1;
LastReportedLocation = new Coordinate((double)trolley.CurrentLat, (double)trolley.CurrentLon);
CurrentTrolley = trolley;
}