public List <Location> GetRoutesOnTheWayToWesternAvenue()
{
List <Location> lstLocations = new List <Location>();
string tripUpdateJSON = j.Get_GTFS_Response(j.METRA_API_URL + "tripUpdates");
List <TripUpdateCollection> tripUpdateList = JsonConvert.DeserializeObject <List <TripUpdateCollection> >(tripUpdateJSON);
string positionJSON = j.Get_GTFS_Response(j.METRA_API_URL + "positions");
List <TripPosition> positionList = JsonConvert.DeserializeObject <List <TripPosition> >(positionJSON);
string currentDateTimeJSON = j.Get_API_Response(j.CURRENT_TIME_API_URL);
DateTime dtUpdateTime = DateTime.Now;
if (!string.IsNullOrEmpty(currentDateTimeJSON))
{
DateTimeModels currentDateTime = JsonConvert.DeserializeObject <DateTimeModels>(currentDateTimeJSON);
dtUpdateTime = DateTime.Parse(currentDateTime.formatted);
}
//Filter positions to contain only routes that stop at Western Avenue
List <string> lstRoutesFilter = new List <string>();
lstRoutesFilter.Add("MD-N");
lstRoutesFilter.Add("MD-W");
lstRoutesFilter.Add("NCS");
positionList = positionList
.Where(a => lstRoutesFilter.Any(b => a.vehicle.trip.trip_id.StartsWith(b)))
.ToList();
for (int i = 0; i < positionList.Count; i++)
{
string tripID = positionList[i].vehicle.trip.trip_id;
string lineID = positionList[i].vehicle.trip.route_id;
string routeID = positionList[i].vehicle.vehicle.label;
//Exclude if already past the Western Avenue Station, but had not updated next station yet
if (positionList[i].vehicle.position.latitude < 41.8888)
{
continue;
}
//Create dictionary to resolve station abbrevs to names
string stationsJSON = j.Get_GTFS_Response(j.METRA_API_URL + "schedule/stops");
List <Station> stationsList = JsonConvert.DeserializeObject <List <Station> >(stationsJSON);
Dictionary <string, string> dictStations = stationsList.ToDictionary(prop => prop.stop_id, prop => prop.stop_name);
TripUpdateCollection tuc = tripUpdateList.Where(x => x.id.Equals(tripID)).FirstOrDefault();
if (tuc == null)
{
continue;
}
string nexsStationAbbr = tuc.trip_update.stop_time_update[0].stop_id;
string priorStationAbbr = (tuc.trip_update.stop_time_update.Count < 2) ? string.Empty : tuc.trip_update.stop_time_update[1].stop_id;
if (nexsStationAbbr.Equals("CUS"))
{
continue;
}
string stopTimesJSON = j.Get_GTFS_Response(j.METRA_API_URL + "schedule/stop_times/" + tripID);
List <StopOnTrip> stopTimesList = JsonConvert.DeserializeObject <List <StopOnTrip> >(stopTimesJSON);
if (stopTimesList == null)
{
continue;
}
if (stopTimesList[0].stop_id.Equals("CUS")) //INBOUND - DOES not start at Chicago Union Station
{
continue;
}
StopOnTrip westernAve = stopTimesList.Where(x => x.stop_id.Equals("WESTERNAVE")).FirstOrDefault();
if (westernAve == null)
{
continue;
}
int delayInSeconds = tuc.trip_update.stop_time_update[0].arrival.delay;
string Delay = string.Empty;
TimeSpan ts = new TimeSpan(0, 0, 0);
if (delayInSeconds > 0)
{
ts = TimeSpan.FromSeconds(delayInSeconds);
Delay = (int)ts.TotalMinutes + " min late" + Environment.NewLine;
}
string arrivalTimeOnWestern = westernAve.arrival_time;
DateTime dtArrivalTimeOnWestern = DateTime.ParseExact(arrivalTimeOnWestern,
"H:m:s",
CultureInfo.InvariantCulture,
DateTimeStyles.None);
dtArrivalTimeOnWestern = dtArrivalTimeOnWestern.Add(ts);
string dateTimeString = positionList[i].vehicle.trip.start_date + " " + positionList[i].vehicle.trip.start_time;
DateTime startDt = DateTime.ParseExact(dateTimeString,
"yyyyMMdd HH:mm:ss",
CultureInfo.InvariantCulture,
DateTimeStyles.None);
TimeSpan tsArrivesIn = dtArrivalTimeOnWestern.Subtract(dtUpdateTime);
tsArrivesIn = RoundToNearest(tsArrivesIn, TimeSpan.FromMinutes(1));
int arrivesInMinutes = (int)tsArrivesIn.Minutes;
//Bug on server - after 6pm, 24 hrs gets added to the time.
if (arrivesInMinutes >= 1440)
{
arrivesInMinutes = arrivesInMinutes - 1440;
}
if (arrivesInMinutes < 0)
{
arrivesInMinutes = 0;
}
arrivalTimeOnWestern = dtArrivalTimeOnWestern.ToString("HH:mm");
string currentNextStop = dictStations[nexsStationAbbr];
string description = Delay +
"Next Stop: " + currentNextStop;
Location loc = new Location
{
LocationID = Convert.ToInt32(positionList[i].id),
TripID = tripID,
RouteNumber = lineID + ", Route " + routeID,
Lat = positionList[i].vehicle.position.latitude.ToString(),
Long = positionList[i].vehicle.position.longitude.ToString(),
ArrivesIn = arrivesInMinutes + " min",
ArrivalTime = dtArrivalTimeOnWestern.ToString("HH:mm"),
Description = description,
ImagePath = "https://png.icons8.com/material/2x/train.png",
TripURL = "https://metrarail.com/maps-schedules/train-lines/" + lineID + "/trip/" + tripID
};
lstLocations.Add(loc);
}
lstLocations = lstLocations.OrderBy(x => x.ArrivalTime).ToList();
return(lstLocations);
}
public List <RoutesData> GetRoutesOnTheWayToWesternAvenue()
{
List <RoutesData> lstRoutes = new List <RoutesData>();
string tripUpdateJSON = j.Get_GTFS_Response(j.METRA_API_URL + "tripUpdates");
List <TripUpdateCollection> tripUpdateList = JsonConvert.DeserializeObject <List <TripUpdateCollection> >(tripUpdateJSON);
string positionJSON = j.Get_GTFS_Response(j.METRA_API_URL + "positions");
List <TripPosition> positionList = JsonConvert.DeserializeObject <List <TripPosition> >(positionJSON);
//Filter positions to contain only routes that stop at Western Avenue
List <string> lstRoutesFilter = new List <string>();
lstRoutesFilter.Add("MD-N");
lstRoutesFilter.Add("MD-W");
lstRoutesFilter.Add("NCS");
positionList = positionList
.Where(a => lstRoutesFilter.Any(b => a.vehicle.trip.trip_id.StartsWith(b)))
.ToList();
TimeZoneInfo cstZone = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time");
for (int i = 0; i < positionList.Count; i++)
{
string tripID = positionList[i].vehicle.trip.trip_id;
string routeID = positionList[i].vehicle.trip.route_id;
//Create dictionary to resolve station abbrevs to names
string stationsJSON = j.Get_GTFS_Response(j.METRA_API_URL + "schedule/stops");
List <Station> stationsList = JsonConvert.DeserializeObject <List <Station> >(stationsJSON);
Dictionary <string, string> dictStations = stationsList.ToDictionary(prop => prop.stop_id, prop => prop.stop_name);
TripUpdateCollection tuc = tripUpdateList.Where(x => x.id.Equals(tripID)).FirstOrDefault();
if (tuc == null)
{
continue;
}
string lastStationAbbr = tuc.trip_update.stop_time_update[0].stop_id;
if (lastStationAbbr.Equals("CUS"))
{
continue;
}
int delayInSeconds = tuc.trip_update.stop_time_update[0].arrival.delay;
string Delay = string.Empty;
TimeSpan ts = new TimeSpan(0, 0, 0);
if (delayInSeconds > 0)
{
ts = TimeSpan.FromSeconds(delayInSeconds);
Delay = (int)ts.TotalMinutes + " min late" + Environment.NewLine;
}
DateTime dtAtLastStation = tuc.trip_update.stop_time_update[0].departure.time.low;
DateTime adjDtAtLastStation = TimeZoneInfo.ConvertTimeFromUtc(dtAtLastStation, cstZone);
//DateTime adjDtAtLastStation = dtAtLastStation.Add(new TimeSpan(-6, 0, 0));
string timeAtNextStation = adjDtAtLastStation.ToString("HH:mm");
string stopTimesJSON = j.Get_GTFS_Response(j.METRA_API_URL + "schedule/stop_times/" + tripID);
List <StopOnTrip> stopTimesList = JsonConvert.DeserializeObject <List <StopOnTrip> >(stopTimesJSON);
if (stopTimesList == null)
{
continue;
}
if (!stopTimesList[0].stop_id.Equals("CUS")) //INBOUND - DOES not start at Chicago Union Station
{
StopOnTrip westernAve = stopTimesList.Where(x => x.stop_id.Equals("WESTERNAVE")).FirstOrDefault();
if (westernAve == null)
{
continue;
}
string arrivalTimeOnWestern = westernAve.arrival_time;
DateTime dtArrivalTimeOnWestern = DateTime.ParseExact(arrivalTimeOnWestern,
"H:m:s",
CultureInfo.InvariantCulture,
DateTimeStyles.None);
dtArrivalTimeOnWestern = dtArrivalTimeOnWestern.Add(ts);
string dateTimeString = positionList[i].vehicle.trip.start_date + " " + positionList[i].vehicle.trip.start_time;
DateTime startDt = DateTime.ParseExact(dateTimeString,
"yyyyMMdd HH:mm:ss",
CultureInfo.InvariantCulture,
DateTimeStyles.None);
DateTime dtUpdateTime = positionList[0].vehicle.timestamp.low;
dtUpdateTime = TimeZoneInfo.ConvertTimeFromUtc(dtUpdateTime, cstZone);
TimeSpan tsArrivesIn = dtArrivalTimeOnWestern.Subtract(dtUpdateTime);
int arrivesInMinutes = (int)tsArrivesIn.TotalMinutes;
//Bug on server - after 6pm, 24 hrs gets added to the time. Observed only on server, works fine locally
if (arrivesInMinutes >= 1440)
{
arrivesInMinutes = arrivesInMinutes - 1440;
}
arrivalTimeOnWestern = dtArrivalTimeOnWestern.ToString("HH:mm");
string currentNextStop = dictStations[lastStationAbbr];
string description = string.Empty;
if ((currentNextStop.Equals("Western Ave")) && (arrivalTimeOnWestern.Equals(timeAtNextStation)))
{
description = Delay;
}
else
{
description = Delay +
"Next Stop: " + dictStations[lastStationAbbr] + ", " + timeAtNextStation;
}
if (positionList[i].vehicle.position.latitude < 41.8888)
{
continue; //Exclude if already past the Western Avenue Station, but had not updated next station yet
}
RoutesData loc = new RoutesData
{
LocationID = Convert.ToInt32(positionList[i].id),
TripID = tripID,
Lat = positionList[i].vehicle.position.latitude.ToString(),
Long = positionList[i].vehicle.position.longitude.ToString(),
ArrivesIn = arrivesInMinutes + " min",
ArrivalTime = dtArrivalTimeOnWestern.ToString("HH:mm"),
Description = description,
ImagePath = "https://png.icons8.com/material/2x/train.png",
TripURL = "https://metrarail.com/maps-schedules/train-lines/" + routeID + "/trip/" + tripID
};
lstRoutes.Add(loc);
}
}
lstRoutes = lstRoutes.OrderBy(x => x.ArrivalTime).ToList();
return(lstRoutes);
}
