} // Difference
// ----------------------------------------------------------------------
public TimeSpan Difference(DateTime date1, DateTime date2)
{
if (date1.Equals(date2))
{
return(TimeSpan.Zero);
}
if (collectorFilter.WeekDays.Count == 0 && collectorFilter.CollectingHours.Count == 0 && collectorFilter.CollectingDayHours.Count == 0)
{
return(new DateDiff(date1, date2, calendar.Culture.Calendar, calendar.FirstDayOfWeek, calendar.YearBaseMonth).Difference);
}
TimeRange differenceRange = new TimeRange(date1, date2);
CalendarPeriodCollector collector = new CalendarPeriodCollector(
collectorFilter, new TimeRange(differenceRange.Start.Date, differenceRange.End.Date.AddDays(1)), SeekDirection.Forward, calendar);
collector.CollectHours();
// calculate gaps
TimeGapCalculator <TimeRange> gapCalculator = new TimeGapCalculator <TimeRange>(calendar);
ITimePeriodCollection gaps = gapCalculator.GetGaps(collector.Periods, differenceRange);
// calculate difference (sum gap durations)
TimeSpan difference = gaps.GetTotalDuration(durationProvider);
return(date1 < date2 ? difference : difference.Negate());
} // Difference
public static float?GetRoundedTotalDuration(this ITimePeriodCollection periods)
{
if (periods == null || periods.Count == 0)
{
return(null);
}
TimeSpan totalDuration = periods.GetTotalDuration(roundByQuarterHour);
float total = totalDuration.Hours + (totalDuration.Minutes / 60f);
return(total > 0 ? total : 24);
}