public IHttpActionResult AddTranToWatch(LogDto data)
{
var logRecord = _context.Log.SingleOrDefault(l => l.TrainId == data.TrainId);
var nextStation = FindNextStationHelpers.FindNextStation(data.TrainId, data.Direction, -1);
var lastStop = _context.Trains.Single(t => t.TID == data.TrainId).StartStation;
if (nextStation == -5)
{
return(BadRequest());
}
int locationLogId = -2;
//Add new record to LocationLog If only status is 1(active Train)
if (data.Status != "Active")
{
return(Conflict());
}
{
var location = new LocationLog {
TrainId = data.TrainId, DateTime = DateTime.Now.ToShortDateString()
};
_context.Location.Add(location);
_context.SaveChanges();
locationLogId = location.LocationLogId;
string path = $"Train-id-{data.TrainId}/Train-on-{data.Direction}-{DateTime.Now:y-MM-dd-HH-mm}.txt";
FileHandler.WriteToFile(path, $"Created :{DateTime.Now:y-MM-dd-HH-mm}");
if (!ActiveTrainDetails.ActiveTrainDictionary.ContainsKey(data.TrainId))
{
ActiveTrainDetails.ActiveTrainDictionary.Add(data.TrainId, new ActiveTrain(path));
}
else
{
ActiveTrainDetails.ActiveTrainDictionary[data.TrainId].PinLocations.Clear();
ActiveTrainDetails.ActiveTrainDictionary[data.TrainId].file = path;
}
}
//check whether there is existing record on log table if not add new one
if (logRecord != null)
{
logRecord.Status = data.Status;
logRecord.LogId = locationLogId;
logRecord.Direction = data.Direction;
logRecord.StartTime = DateTime.Now.TimeOfDay.ToString(@"hh\:mm");
logRecord.NextStop = nextStation;
logRecord.LastStop = lastStop;
logRecord.MaxSpeed = logRecord.Speed = 0;
logRecord.Delay = TimeSpan.Zero;
logRecord.LastLocation = logRecord.LastReceive = "";
}
else
{
var log = new Log
{
TrainId = data.TrainId,
DeviceId = _context.Devices.First(d => d.TID == data.TrainId).DID,
Delay = TimeSpan.Zero,
Status = data.Status,
LogId = locationLogId,
Direction = data.Direction,
StartTime = DateTime.Now.TimeOfDay.ToString(@"hh\:mm"),
NextStop = nextStation,
LastStop = lastStop,
LastReceive = TimeSpan.Zero.ToString(@"hh\:mm"),
};
_context.Log.Add(log);
}
_context.SaveChanges();
return(Ok("Activated"));
}
//Update LogTable
private void UpdateLog(SaveData str1, SaveData str2, int trainId, bool direction, double speed)
{
if (string.IsNullOrEmpty(str1.Lo))
{
return;
}
//Last and Current Location difference
//Last location
var location = str1.Lo.Split(':');
var point1 = new GeoCoordinate(Convert.ToDouble(location[0]), Convert.ToDouble(location[1]));
//Current location
location = str2.Lo.Split(':');
var point2 = new GeoCoordinate(Convert.ToDouble(location[0]), Convert.ToDouble(location[1]));
var gap = point1.GetDistanceTo(point2);
//Get relevant LogTable recode
var log = _dbContext.Log.Single(l => l.TrainId == trainId);
//Get Log recodes next stop station data
var station = _dbContext.Stations.Single(s => s.SID == log.NextStop);
var locationSplit = station.Location.Split(':');
var nextStop = new GeoCoordinate(Convert.ToDouble(locationSplit[0]), Convert.ToDouble(locationSplit[1]));
//Get data about next stop station timetable
var stopAt = _dbContext.StopAts.SingleOrDefault(s => (s.TID == trainId) && (s.Direction == direction) && (s.SID == station.SID));
var distance = point2.GetDistanceTo(nextStop);
Debug.WriteLine("gap between last receive point : " + gap);
Debug.WriteLine("gap between next stop : " + distance);
//Train moves
if (_defaultGap < gap)
{
//distance to Next stop station
if (_defaultSpeed > speed)
{
speed = _defaultSpeed;
}
//Time to arrive next station
var time = TimeSpan.FromSeconds(Math.Round(distance / (speed * 10 / 36), 2));
var estimateTime = DateTime.Now.TimeOfDay + time;
var delay = estimateTime.Subtract(TimeSpan.FromSeconds(stopAt.Atime)).Duration();
_dbContext.Location.Single(l => l.LocationLogId == log.LogId).Delay = (int)delay.TotalSeconds;
log.Status = delay.TotalMinutes < 5 ? "Delay less than 5 min" : "Delayed";
log.Delay = delay;
}
//Train stops
else
{
if (_defaultPlatformLength > distance)
{
log.Status = $"Stop At {station.Name}";
log.LastStop = log.NextStop;
log.NextStop = FindNextStationHelpers.FindNextStation(log.TrainId, log.Direction, log.NextStop);
if (log.NextStop == -1)
{
log.LogId = -2;
log.Status = $"At End Station";
log.EndTime = DateTime.Now.TimeOfDay.ToString(@"hh\:mm");
}
}
else
{
var lastStop = _dbContext.Stations.Single(s => s.SID == log.LastStop);
var lastStopLocation = lastStop.Location.Split(':');
var distanceToLastStop =
point2.GetDistanceTo(new GeoCoordinate(Convert.ToDouble(lastStopLocation[0]),
Convert.ToDouble(lastStopLocation[1])));
log.Status = _defaultPlatformLength > distanceToLastStop ? $"Stop At {lastStop.Name}" : "Waiting For Signals";
}
}
_dbContext.SaveChanges();
_writeToFile = $"\nSpeed:{log.Speed},Status:{log.Status},Delay:{log.Delay}";
}
