public async Task UpdateStatus(BusSnapshotInfo snapshot)
{
this.State.LatestSnapshot = snapshot;
await UpdateMap(snapshot);
await UpdateStops(snapshot);
}
private void GetStopTimes(BusSnapshotInfo status, out StopTimeInfo last, out StopTimeInfo next)
{
last = next = null;
var times = StaticData.GetStopTimesByTripId(status.TripId);
var stoptimes = new LinkedList <StopTimeInfo>(times.OrderBy(st => st.Sequence));
if (stoptimes == null || stoptimes.Count == 0)
{
return;
}
var busTime = status.AdjustedTimestamp;
LinkedListNode <StopTimeInfo> node = stoptimes.First;
while (node != null)
{
if (busTime < node.Value.Arrival)
{
next = node.Value;
break;
}
last = node.Value;
node = node.Next;
}
}
public async Task UpdateStatus(BusSnapshotInfo snapshot)
{
_snapshots.Add(snapshot);
await UpdateMap(snapshot);
await UpdateStops(snapshot);
}
private void GetStopTimes(BusSnapshotInfo status, out StopTimeInfo last, out StopTimeInfo next)
{
last = next = null;
if (_stoptimes == null)
{
return;
}
var busTime = status.AdjustedTimestamp;
LinkedListNode <StopTimeInfo> node = _stoptimes.First;
while (node != null)
{
if (busTime < node.Value.Arrival)
{
next = node.Value;
break;
}
last = node.Value;
node = node.Next;
}
}
public Task <Tuple <StopTimeInfo, StopTimeInfo> > GetStopTimes(BusSnapshotInfo status)
{
StopTimeInfo last = null;
StopTimeInfo next = null;
GetStopTimes(status, out last, out next);
return(Task.FromResult(Tuple.Create(last, next)));
}
public async Task UpdateBus(BusSnapshotInfo snapshot)
{
Init();
var trip = GrainFactory.GetGrain <ITrip>(snapshot.TripId);
var tripInfo = await trip.GetInfo();
var headsign = tripInfo == null?string.Format("[{0}]", snapshot.TripId) : tripInfo.Headsign;
await Clients.Group("mapViews").updateBus(snapshot, headsign);
}
private async Task UpdateMap(BusSnapshotInfo status)
{
var signalrUri = CloudConfigurationManager.GetSetting("signalrUri");
var conn = new HubConnection(signalrUri);
var hub = conn.CreateHubProxy("MapHub");
await conn.Start();
await hub.Invoke("UpdateBus", status);
}
public void HandleSnapshot(BusSnapshotInfo snapshot)
{
var eventHubClient = EventHubClient.CreateFromConnectionString(_ehConnectionString, _ehName);
var snapJson = JsonConvert.SerializeObject(snapshot);
var data = new EventData(Encoding.UTF8.GetBytes(snapJson));
eventHubClient.Send(data);
eventHubClient.Close();
}
public async Task UpdateBus(BusSnapshotInfo snapshot)
{
var appName = CloudConfigurationManager.GetSetting("sfAppName");
var svcName = CloudConfigurationManager.GetSetting("sfSvcNameTemplate");
var trip = ActorProxy.Create <ITrip>(new ActorId(snapshot.TripId), appName, string.Format(svcName, "Trip"));
var tripInfo = await trip.GetInfo();
var headsign = tripInfo == null?string.Format("[{0}]", snapshot.TripId) : tripInfo.Headsign;
await Clients.Group("mapViews").updateBus(snapshot, headsign);
}
public Task <Tuple <StopTimeInfo, StopTimeInfo> > GetStopTimes(BusSnapshotInfo status)
{
if (_stoptimes == null)
{
var times = StaticData.GetStopTimesByTripId((int)this.GetPrimaryKeyLong());
_stoptimes = new LinkedList <StopTimeInfo>(times.OrderBy(st => st.Sequence));
}
StopTimeInfo last = null;
StopTimeInfo next = null;
GetStopTimes(status, out last, out next);
return(Task.FromResult(Tuple.Create(last, next)));
}
private async Task UpdateStops(BusSnapshotInfo status)
{
var trip = ActorProxy.Create <ITrip>(new ActorId(status.TripId));
var stoptimes = await trip.GetStopTimes(status);
if (this.State.LastStopId != null)
{
if (stoptimes.Item1 == null || stoptimes.Item1.StopId != this.State.LastStopId)
{
var lastStop = ActorProxy.Create <IStop>(new ActorId(this.State.LastStopId.Value));
await lastStop.NoLongerDeparted(this);
}
}
this.State.LastStopId = stoptimes.Item1 == null ? null : (long?)stoptimes.Item1.StopId;
if (this.State.LastStopId != null)
{
var lastStop = ActorProxy.Create <IStop>(new ActorId(this.State.LastStopId.Value));
await lastStop.HasDeparted(this, status.AdjustedTimestamp.Subtract(stoptimes.Item1.Departure));
}
if (this.State.NextStopId != null)
{
if (stoptimes.Item2 == null || stoptimes.Item2.StopId != this.State.NextStopId)
{
var nextStop = ActorProxy.Create <IStop>(new ActorId(this.State.NextStopId.Value));
await nextStop.IsNoLongerApproaching(this);
}
}
this.State.NextStopId = stoptimes.Item2 == null ? null : (long?)stoptimes.Item2.StopId;
if (this.State.NextStopId != null)
{
var nextStop = ActorProxy.Create <IStop>(new ActorId(this.State.NextStopId.Value));
await nextStop.IsApproaching(this, stoptimes.Item2.Arrival.Subtract(status.AdjustedTimestamp));
}
}
private async Task UpdateStops(BusSnapshotInfo status)
{
var trip = GrainFactory.GetGrain <ITrip>(status.TripId);
var stoptimes = await trip.GetStopTimes(status);
IStop last = stoptimes.Item1 == null ? null : GrainFactory.GetGrain <IStop>(stoptimes.Item1.StopId);
if (_lastStop != null)
{
if (last == null || stoptimes.Item1.StopId != (int)_lastStop.GetPrimaryKeyLong())
{
await _lastStop.NoLongerDeparted(this);
}
}
_lastStop = last;
if (_lastStop != null)
{
await _lastStop.HasDeparted(this, status.AdjustedTimestamp.Subtract(stoptimes.Item1.Departure));
}
IStop next = stoptimes.Item2 == null ? null : GrainFactory.GetGrain <IStop>(stoptimes.Item2.StopId);
if (_nextStop != null)
{
if (next == null || stoptimes.Item2.StopId != (int)_nextStop.GetPrimaryKeyLong())
{
await _nextStop.IsNoLongerApproaching(this);
}
}
_nextStop = next;
if (_nextStop != null)
{
await _nextStop.IsApproaching(this, stoptimes.Item2.Arrival.Subtract(status.AdjustedTimestamp));
}
}
public void HandleSnapshot(BusSnapshotInfo snapshot)
{
var json = JsonConvert.SerializeObject(snapshot, Formatting.Indented);
Console.WriteLine(json);
}
