Example #1
0
        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());
                }
        }
Example #2
0
        /// <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;
            }));
        }
Example #3
0
        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();
        }
Example #4
0
        /// <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);
                }
            }
        }
Example #5
0
        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);
            }
        }