public void PostProbeData_UpdateVehiclePosition_Success()
{
using (IDbContext idtoFakeContext = new IDTOFakeContext())
using (IUnitOfWork imuow = new UnitOfWork(idtoFakeContext))
{
AddTripToRepo(imuow);
LastVehiclePosition lvp = new LastVehiclePosition
{
VehicleName = "MDT2",
PositionTimestamp = DateTime.UtcNow,
Latitude = 44.646581369493,
Longitude = -96.6830267664,
Speed = 10,
Heading = 180,
Accuracy = 5
};
imuow.Repository <LastVehiclePosition>().Insert(lvp);
imuow.Save();
DateTime newestPositionTimestamp = DateTime.UtcNow.AddMinutes(1);
var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
long newestTimeStamp = Convert.ToInt64((newestPositionTimestamp - epoch).TotalMilliseconds);
ProbeVehicleData probeData = new ProbeVehicleData {
InboundVehicle = "MDT2"
};
PositionSnapshot ps = new PositionSnapshot()
{
Accuracy = 5,
Altitude = 123,
Heading = 180,
Latitude = 44.646581369493,
Longitude = -96.6830267664,
Satellites = 0,
Speed = 14.77999305725097,
TimeStamp = newestTimeStamp
};
probeData.Positions.Add(ps);
var mockTable = new Mock <IAzureTable <ProbeSnapshotEntry> >();
var cut = new ProbeController(idtoFakeContext, mockTable.Object);
SetupControllerForTests(cut);
HttpResponseMessage returnMessage = cut.PostProbeData(probeData);
List <LastVehiclePosition> lvpList = imuow.Repository <LastVehiclePosition>().Query().Get().Where(v => v.VehicleName == "MDT2").ToList();
Assert.AreEqual(1, lvpList.Count);
Assert.AreEqual(newestPositionTimestamp.ToLongTimeString(), lvpList.First().PositionTimestamp.ToLongTimeString());
}
}
/// <summary>
/// Calculates the distance from the Cap Trans stop destination (one of two possible) to the current
/// location (from the azure table) and then estimates an arrival time.
/// </summary>
/// <param name="tConnect"></param>
/// <param name="Uow"></param>
/// <returns></returns>
public async Task <DateTime> CalculateEstimatedTimeOfArrivalAsync(TConnect tConnect, IUnitOfWork Uow)
{
return(await Task.Factory.StartNew(() =>
{
GeoCoordinate busStopLoc = GetCoordForInboundStep(tConnect, Uow);
LastVehiclePosition lvp = Uow.Repository <LastVehiclePosition>().Query().Get().First(v => v.VehicleName == tConnect.InboundVehicle);
DateTime currentLocTime = lvp.PositionTimestamp;
GeoCoordinate currentLoc = new GeoCoordinate(lvp.Latitude, lvp.Longitude);
DateTime eta = CalcPointBEtaFromPointA(busStopLoc, currentLocTime, currentLoc);
return eta;
}));
}
private void SaveNewestProbeSnapshot(ProbeSnapshotEntry newestProbeSnapshot)
{
if (newestProbeSnapshot == null)
{
return;
}
//Find existing vehicle record
LastVehiclePosition currentVehicle = Uow.Repository <LastVehiclePosition>().Query().Get().FirstOrDefault(v => v.VehicleName == newestProbeSnapshot.PartitionKey);
if (currentVehicle != null)
{
//Update vehicles last position values
currentVehicle.PositionTimestamp = newestProbeSnapshot.PositionTimestamp;
currentVehicle.Latitude = newestProbeSnapshot.Latitude;
currentVehicle.Longitude = newestProbeSnapshot.Longitude;
currentVehicle.Speed = newestProbeSnapshot.Speed;
currentVehicle.Heading = (short)newestProbeSnapshot.Heading;
currentVehicle.Accuracy = newestProbeSnapshot.Accuracy;
Uow.Repository <LastVehiclePosition>().Update(currentVehicle);
}
else
{
LastVehiclePosition lvp = new LastVehiclePosition
{
VehicleName = newestProbeSnapshot.PartitionKey,
PositionTimestamp = newestProbeSnapshot.PositionTimestamp,
Latitude = newestProbeSnapshot.Latitude,
Longitude = newestProbeSnapshot.Longitude,
Speed = newestProbeSnapshot.Speed,
Heading = (short)newestProbeSnapshot.Heading,
Accuracy = newestProbeSnapshot.Accuracy
};
Uow.Repository <LastVehiclePosition>().Insert(lvp);
}
Uow.Save();
}
/// <summary>
/// Check all TConnects with status of "Monitored" to see if they need a TConnectRequest issued.
/// </summary>
/// <param name="Uow"></param>
private async Task MonitorTConnects(IUnitOfWork Uow)
{
List <TConnect> monitoredTConnects = Uow.Repository <TConnect>().Query().Include(s => s.OutboundStep).Include(s => s.InboundStep.Trip).Get()
.Where(s => s.TConnectStatusId == (int)TConnectStatuses.Monitored).ToList();
foreach (TConnect mt in monitoredTConnects)
{
try
{
try
{
await MonitorLocationTimes(mt);
MonitorTravelerLocation(mt);
}catch (Exception ex2)
{
String innerExString = "";
String stackTraceString = "";
if (ex2.InnerException != null)
{
innerExString = ex2.InnerException.Message;
if (ex2.InnerException.StackTrace != null)
{
stackTraceString = ex2.InnerException.StackTrace.ToString();
}
}
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Error, TraceEventId.TraceGeneral, " Error in MonitorLocationTimes for TConnect: " + mt.Id + ". " + ex2.Message + " InnerEx: " + innerExString + " StackTrace: " + stackTraceString);
}
if (DateTime.UtcNow > mt.EndWindow)
{
//remove the tracking of notifications when monitoring is done
locationNotificationTrackingDictionary.Remove(mt.InboundStep.TripId);
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Verbose, TraceEventId.TraceGeneral, "TConnect Window Done. tConnect.Id=" + mt.Id);
//The time has gone past the latest time we could possible issue a Request for this.
//Set it to Done so we stop checking.
mt.TConnectStatusId = (int)TConnectStatuses.Done;
Uow.Repository <TConnect>().Update(mt);
Uow.Repository <TripEvent>().Insert(new TripEvent(mt.InboundStep.TripId, "Done monitoring T-Connect. Current time outside End Window"));
Uow.Save();
}
else if (mt.InboundStep.StartDate > DateTime.UtcNow)
{
//leg to monitor has not started yet. nothing to do.
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Verbose, TraceEventId.TraceGeneral, "TConnect not yet started. tConnect.Id=" + mt.Id);
}
else
{
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Verbose, TraceEventId.TraceGeneral, "Monitored TConnect. tConnect.Id=" + mt.Id);
DateTime newEta = await GetEtaForTConnectAsync(Uow, mt, busSchedulerAPIs);
if (newEta.Year > new DateTime().Year)
{
//Check to make sure we have not generally "arrived" by comparing the time the probe was posted to the eta calculated.
LastVehiclePosition lvp = Uow.Repository <LastVehiclePosition>().Query().Get()
.FirstOrDefault(v => v.VehicleName == mt.InboundVehicle);
if (lvp != null && newEta - lvp.PositionTimestamp <= System.TimeSpan.FromMinutes(1))
{
//We are there. Time to stop monitoring.
mt.TConnectStatusId = (int)TConnectStatuses.Done;
Uow.Repository <TConnect>().Update(mt);
Uow.Repository <TripEvent>().Insert(new TripEvent(mt.InboundStep.TripId, "Done monitoring T-Connect. Bus has arrived."));
Uow.Save();
}
else
{
MonitorTConnect(Uow, mt, newEta);
}
}
else
{
Uow.Repository <TripEvent>().Insert(new TripEvent(mt.InboundStep.TripId, "Unable to calculate ETA"));
}
}
}
catch (Exception ex)
{
String innerExString = "";
String stackTraceString = "";
if (ex.InnerException != null)
{
innerExString = ex.InnerException.Message;
if (ex.InnerException.StackTrace != null)
{
stackTraceString = ex.InnerException.StackTrace.ToString();
}
}
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Error, TraceEventId.TraceGeneral, " Error in MonitorTConnects for TConnect: " + mt.Id + ". " + ex.Message + " InnerEx: " + innerExString + " StackTrace: " + stackTraceString);
}
}
}
private void MonitorTravelerLocation(TConnect mt)
{
try
{
if (DateTime.UtcNow >= mt.InboundStep.StartDate && DateTime.Now <= mt.InboundStep.StartDate.AddMinutes(1))
{
//get traveler location
int travelerId = mt.InboundStep.Trip.TravelerId;
var travelerLocations = Uow.Repository <TravelerLocation>().Query()
.Get().Where(s => s.TravelerId == travelerId).OrderByDescending(s => s.PositionTimestamp);
var lastTravelerLocation = travelerLocations.FirstOrDefault <TravelerLocation>();
if (lastTravelerLocation != null)
{
//get vehicle location nearest to the traveler location time
LastVehiclePosition lvp = Uow.Repository <LastVehiclePosition>().Query().Get().First(v => v.VehicleName == mt.InboundVehicle);
//get distance between them
double dist_m = Conversions.distanceMeters(lastTravelerLocation.Latitude, lastTravelerLocation.Longitude,
lvp.Latitude, lvp.Longitude);
//get time between the vehilcle location and the traveler location
TimeSpan tsDiff = lastTravelerLocation.PositionTimestamp - lvp.PositionTimestamp;
//do a fuzzy match, like distance within 100 meters
if (Math.Abs(tsDiff.TotalSeconds) < 30)
{
if (dist_m > 100)
{
//We are there. Time to stop monitoring.
mt.TConnectStatusId = (int)TConnectStatuses.Done;
Uow.Repository <TConnect>().Update(mt);
Uow.Repository <TripEvent>().Insert(new TripEvent(mt.InboundStep.TripId, "Done monitoring T-Connect." +
" Traveler never arrived and is " + dist_m.ToString() + " meters away." +
" Traveler loc (" + lastTravelerLocation.Latitude.ToString() + ","
+ lastTravelerLocation.Longitude.ToString() + ") @ " +
lastTravelerLocation.PositionTimestamp.ToString("hh:mm:ss") +
" Vehicle loc (" + lvp.Latitude.ToString() + ","
+ lvp.Longitude.ToString() + ") @ " +
lvp.PositionTimestamp.ToString("hh:mm:ss")
));
Uow.Save();
}
}
}
}
}catch (Exception ex)
{
String innerExString = "";
String stackTraceString = "";
if (ex.InnerException != null)
{
innerExString = ex.InnerException.Message;
if (ex.InnerException.StackTrace != null)
{
stackTraceString = ex.InnerException.StackTrace.ToString();
}
}
Diagnostics.WriteMainDiagnosticInfo(TraceEventType.Error, TraceEventId.TraceGeneral, " Error in MonitorTravelerLocation for TConnect: " + mt.Id + ". " + ex.Message + " InnerEx: " + innerExString + " StackTrace: " + stackTraceString);
}
}