public async override Task <TripDetectionContext> Process(TripDetectionContext input, ILogger logger)
{
var tripSegments = input.TripSegments;
input.TripLegCandidates = new List <TripLegCandidate>();
logger.LogDebugSerialize("Input trip segments {0}", tripSegments);
var currentLeg = new TripLegCandidate();
var previousLeg = new TripLegCandidate();
for (int i = 0; i < tripSegments.Count - 2; i += 2)
{
if (tripSegments[i].IsMovingSegment)
{
continue;
}
currentLeg.FirstStoppedSegment = (StoppedSegment)tripSegments[i];
currentLeg.MovingSegment = (MovingSegment)tripSegments[i + 1];
currentLeg.LastStoppedSegment = (StoppedSegment)tripSegments[i + 2];
if (currentLeg.MovingSegment.Points.Count < this.minimumNumberOfLegPoints)
{
if (previousLeg.LastStoppedSegment.Points.Any())
{
previousLeg.LastStoppedSegment.Points.AddRange(currentLeg.LastStoppedSegment.Points);
previousLeg.LastStoppedSegment.EndLocationId = currentLeg.LastStoppedSegment.EndLocationId;
}
}
else
{
if (previousLeg.FirstStoppedSegment.Points.Any())
{
input.TripLegCandidates.Add(previousLeg);
}
previousLeg = currentLeg;
currentLeg = new TripLegCandidate();
}
}
if (previousLeg.LastStoppedSegment.Points.Any())
{
input.TripLegCandidates.Add(previousLeg);
}
logger.LogDebugSerialize("Output trip candidates {0}", input.TripLegCandidates);
return(input);
}
private TripLeg GenerateTripLeg(TripLegCandidate tripLegCandidate)
{
return(new TripLeg
{
AverageSpeed = tripLegCandidate.MovingSegment.GetAverageSpeed(),
Route = tripLegCandidate.MovingSegment.Points,
StartLocationId = tripLegCandidate.FirstStoppedSegment.EndLocationId,
EndLocationId = tripLegCandidate.LastStoppedSegment.StartLocationId,
StartTimeUtc = DateTimeUtils.FromUnixTime(
tripLegCandidate.MovingSegment.Points.First().DeviceTimestampUtc),
EndTimeUtc = DateTimeUtils.FromUnixTime(
tripLegCandidate.MovingSegment.Points.Last().DeviceTimestampUtc)
});
}
