/* Find out which vehicle produced the data and list its journey history */
func lookupVehicleHistory(line, bound, origin string, departureTime time.Time) (string, []VehicleRecord) {
vehicleId, arrivalTime, err := selectdb.SelectVehicleAndArrivalTimeFromPerformanceMeasure(line, bound, origin, departureTime)
if err != nil {
logger.GetLogger().Panic(err)
}
startTime := departureTime
endTime := arrivalTime
vehicleHistory := selectdb.SelectVehicleHistory(vehicleId, startTime, endTime, timeFormatString)
result := make([]VehicleRecord, len(vehicleHistory))
for i, v := range vehicleHistory {
result[i] = VehicleRecord{
Line: v["line"],
Bound: v["bound"],
StopSeq: v["stopSeq"],
StopName: v["stopName"],
ArrivalTime: v["time"],
NaptanId: v["naptanId"],
}
}
return vehicleId, result
}
/* Find out which vehicle produced the data and list its journey history, together with
the total actual journey time, total predictions and total standard deviations */
func lookupVehicleHistory2(line, bound, origin, destination string, departureTime time.Time, errorMessage *string) (string, []VehicleRecord2, time.Duration, map[performanceeval.Method]time.Duration, map[performanceeval.Method]time.Duration) {
vehicleId, arrivalTime, err := selectdb.SelectVehicleAndArrivalTimeFromJourneyHistory(line, bound, origin, destination, departureTime)
if err != nil {
logger.GetLogger().Panic(err)
}
startTime := departureTime
endTime := arrivalTime
vehicleHistory := selectdb.SelectVehicleHistory(vehicleId, startTime, endTime, timeFormatString)
rawArrivalTimes := selectdb.SelectRawArrivalTimes(vehicleId, startTime, endTime, timeFormatString)
intermediateStopsOrdered := selectdb.SelectIntermediateStops(line, bound, origin, destination)
intermediateStops := make(map[string]map[string]bool)
for i := 0; i < len(intermediateStopsOrdered)-1; i++ {
intermediateStops[intermediateStopsOrdered[i]] = map[string]bool{
intermediateStopsOrdered[i+1]: true,
}
}
/* Temporarily discarded */
// predictionsUsedRealTime := make(map[string]map[string]map[time.Time]map[string]int64)
totalPredictions := make(map[performanceeval.Method]time.Duration)
totalStddevs := make(map[performanceeval.Method]time.Duration)
idvPredictions := make(map[performanceeval.Method]map[string]map[string]time.Duration)
idvStddevs := make(map[performanceeval.Method]map[string]map[string]time.Duration)
idvExpectedArrivalTimesShifting := make(map[performanceeval.Method]map[string]map[string]time.Time)
idvMixedTypes := make(map[performanceeval.Method]map[string]map[string]string)
for _, method := range performanceeval.Methods() {
totalPrediction, totalStddev, idvPredictionsMap, idvStddevsMap, edtShifting, mixedTypes := lookupPredictionsUsed(line, bound, intermediateStops, intermediateStopsOrdered, departureTime,
method, nil, errorMessage)
totalPredictions[method] = totalPrediction
totalStddevs[method] = totalStddev
idvPredictions[method] = idvPredictionsMap
idvStddevs[method] = idvStddevsMap
if method.IsShiftingBased() {
idvExpectedArrivalTimesShifting[method] = edtShifting
}
if method.IsMixedBased() {
idvMixedTypes[method] = mixedTypes
}
}
actualJourneyTime := performanceeval.FetchActualJourneyTime(line, bound, origin, destination, departureTime)
/* Flag for use later, in case bus switches direction invalidate and prevent travel time details from further generated */
firstTimeFlag := true
result := make([]VehicleRecord2, len(vehicleHistory))
for i, v := range vehicleHistory {
result[i] = VehicleRecord2{
Line: v["line"],
Bound: v["bound"],
StopSeq: v["stopSeq"],
StopName: v["stopName"],
ArrivalTime: v["time"],
RawArrivalTime: rawArrivalTimes[v["naptanId"]],
NaptanId: v["naptanId"],
Details: generateTravelTimeDetails(line, bound, intermediateStops, departureTime, vehicleHistory, i,
idvPredictions, idvStddevs, idvExpectedArrivalTimesShifting, idvMixedTypes, &firstTimeFlag),
}
}
if !firstTimeFlag {
*errorMessage += "Bus terminated early\n"
}
/*predictions := []time.Duration{
actualJourneyTime,
predictionThreeDays,
predictionWeekly,
predictionWeeklyDiscardInterpolation,
predictionWeeklySameRouteOnly,
predictionWeeklyShifting,
predictionWeeklyShiftingDiscardInterpolation,
predictionWeeklyShiftingSameRouteOnly,
predictionRealTimeMedian,
predictionRealTimeLastTwo,
totalStddevThreeDays,
totalStddevWeekly,
totalStddevWeeklyDiscardInterpolation,
totalStddevWeeklySameRouteOnly,
totalStddevWeeklyShifting,
totalStddevWeeklyShiftingDiscardInterpolation,
totalStddevWeeklyShiftingSameRouteOnly,
totalStddevRealTimeMedian,
totalStddevRealTimeLastTwo,
}*/
return vehicleId, result, actualJourneyTime, totalPredictions, totalStddevs
}