private static IEnumerable <int> MakeRelativeScheduleWithinCutoff(BusStopRouteDaySchedule daySchedule, DateTimeOffset currentTime)
{
// Is there a better condition for this, i.e. involving a check whether there are 24hr+ time spans in the schedule?
var timeOfDay = daySchedule.Days == DaysOfWeek.NightOwl &&
currentTime.TimeOfDay.Hours < 4
? currentTime.TimeOfDay.Add(TimeSpan.FromDays(1))
: currentTime.TimeOfDay;
var scheduleCutoff = timeOfDay.Add(TimeSpan.FromMinutes(20));
return(daySchedule.Times.Where(ts => ts > scheduleCutoff)
.Select(ts => (int)ts.Subtract(timeOfDay).TotalMinutes));
}
private static IEnumerable <int> MakeRelativeScheduleWithinCutoff(BusStopRouteDaySchedule daySchedule, DateTimeOffset currentTime)
{
var oneDay = TimeSpan.FromDays(1);
var latestTime = daySchedule.Times.Last();
var timeOfDay = latestTime.Days == 1 && currentTime.TimeOfDay < latestTime - oneDay
? currentTime.TimeOfDay + oneDay
: currentTime.TimeOfDay;
// Truncate any seconds on timeOfDay so that we don't get off-by-one errors
// when converting a scheduled time with a seconds component to minutesFromNow and back.
timeOfDay -= TimeSpan.FromSeconds(timeOfDay.Seconds);
var scheduleCutoff = timeOfDay + TimeSpan.FromMinutes(20);
return(daySchedule.Times.Where(ts => ts > scheduleCutoff)
.Select(ts => (int)(ts - timeOfDay).TotalMinutes));
}
