private static List <BusArrivalTime> InterleaveRouteScheduleAndEstimates(BusStopRouteSchedule routeSchedule,
Dictionary <string, List <int> > stopEstimates, DateTimeOffset currentTime)
{
var arrivalTimes = Enumerable.Empty <BusArrivalTime>();
var daySchedule = routeSchedule.DaySchedules.FirstOrDefault(ds => DaysOfWeekUtils.IsToday(ds.Days, currentTime));
if (daySchedule != null)
{
var relativeSchedule = MakeRelativeScheduleWithinCutoff(daySchedule, currentTime);
arrivalTimes = relativeSchedule.Select(minutes => new BusArrivalTime(minutes, isEstimate: false));
}
if (stopEstimates.ContainsKey(routeSchedule.RouteNo))
{
var routeEstimates = stopEstimates[routeSchedule.RouteNo];
arrivalTimes = arrivalTimes.Where(arrivalTime =>
!routeEstimates.Any(estimate =>
Math.Abs(arrivalTime.MinutesFromNow - estimate) <= ESTIMATE_CORRELATION_TOLERANCE_MINUTES));
arrivalTimes = arrivalTimes.Concat(
routeEstimates.Select(estimate => new BusArrivalTime(estimate, isEstimate: true)));
}
arrivalTimes = arrivalTimes.OrderBy(arrivalTime => arrivalTime);
return(arrivalTimes.ToList());
}
private static List <int> InterleaveRouteScheduleAndEstimates(BusStopRouteSchedule routeSchedule,
Dictionary <string, List <int> > stopEstimates, DateTimeOffset currentTime)
{
var result = new List <int>();
var daySchedule = routeSchedule.DaySchedules.FirstOrDefault(ds => DaysOfWeekUtils.IsToday(ds.Days, currentTime));
if (daySchedule != null)
{
result.AddRange(ToMinutesFromNow(daySchedule, currentTime));
}
if (stopEstimates.ContainsKey(routeSchedule.RouteNo))
{
var routeEstimates = stopEstimates[routeSchedule.RouteNo];
foreach (int estimate in routeEstimates)
{
// When an estimate time is close to a scheduled time, overwrite the schedule with the estimate.
var scheduleIndex = result.FindIndex(i => Math.Abs(i - estimate) <= 10);
if (scheduleIndex != -1)
{
result[scheduleIndex] = estimate;
}
else
{
result.Insert(0, estimate);
}
}
}
result.Sort();
return(result);
}