private IRecurrencePattern ProcessRecurrencePattern(IDateTime referenceDate)
{
var r = new RecurrencePattern();
r.CopyFrom(Pattern);
// Convert the UNTIL value to one that matches the same time information as the reference date
if (r.Until != DateTime.MinValue)
{
r.Until = DateUtil.MatchTimeZone(referenceDate, new iCalDateTime(r.Until)).Value;
}
if (r.Frequency > FrequencyType.Secondly &&
r.BySecond.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.BySecond.Add(referenceDate.Second);
}
if (r.Frequency > FrequencyType.Minutely &&
r.ByMinute.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.ByMinute.Add(referenceDate.Minute);
}
if (r.Frequency > FrequencyType.Hourly &&
r.ByHour.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.ByHour.Add(referenceDate.Hour);
}
// If BYDAY, BYYEARDAY, or BYWEEKNO is specified, then
// we don't default BYDAY, BYMONTH or BYMONTHDAY
if (r.ByDay.Count == 0)
{
// If the frequency is weekly, use the original date's day of week.
// NOTE: fixes WeeklyCount1() and WeeklyUntil1() handling
// If BYWEEKNO is specified and BYMONTHDAY/BYYEARDAY is not specified,
// then let's add BYDAY to BYWEEKNO.
// NOTE: fixes YearlyByWeekNoX() handling
if (r.Frequency == FrequencyType.Weekly ||
(
r.ByWeekNo.Count > 0 &&
r.ByMonthDay.Count == 0 &&
r.ByYearDay.Count == 0
))
{
r.ByDay.Add(new WeekDay(referenceDate.DayOfWeek));
}
// If BYMONTHDAY is not specified,
// default to the current day of month.
// NOTE: fixes YearlyByMonth1() handling, added BYYEARDAY exclusion
// to fix YearlyCountByYearDay1() handling
if (r.Frequency > FrequencyType.Weekly &&
r.ByWeekNo.Count == 0 &&
r.ByYearDay.Count == 0 &&
r.ByMonthDay.Count == 0)
{
r.ByMonthDay.Add(referenceDate.Day);
}
// If BYMONTH is not specified, default to
// the current month.
// NOTE: fixes YearlyCountByYearDay1() handling
if (r.Frequency > FrequencyType.Monthly &&
r.ByWeekNo.Count == 0 &&
r.ByYearDay.Count == 0 &&
r.ByMonth.Count == 0)
{
r.ByMonth.Add(referenceDate.Month);
}
}
return(r);
}
private IRecurrencePattern ProcessRecurrencePattern(IDateTime referenceDate)
{
RecurrencePattern r = new RecurrencePattern();
r.CopyFrom(Pattern);
// Convert the UNTIL value to a local date/time based on the time zone information that
// is in the reference date
if (r.Until != DateTime.MinValue)
{
// Build an iCalDateTime with the correct time zone & calendar
var until = new iCalDateTime(r.Until, referenceDate.TZID);
until.AssociatedObject = referenceDate.AssociatedObject;
// Convert back to local time so time zone comparisons match
r.Until = until.Local;
}
if (r.Frequency > FrequencyType.Secondly &&
r.BySecond.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.BySecond.Add(referenceDate.Second);
}
if (r.Frequency > FrequencyType.Minutely &&
r.ByMinute.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.ByMinute.Add(referenceDate.Minute);
}
if (r.Frequency > FrequencyType.Hourly &&
r.ByHour.Count == 0 &&
referenceDate.HasTime /* NOTE: Fixes a bug where all-day events have BySecond/ByMinute/ByHour added incorrectly */)
{
r.ByHour.Add(referenceDate.Hour);
}
// If BYDAY, BYYEARDAY, or BYWEEKNO is specified, then
// we don't default BYDAY, BYMONTH or BYMONTHDAY
if (r.ByDay.Count == 0)
{
// If the frequency is weekly, use the original date's day of week.
// NOTE: fixes WeeklyCount1() and WeeklyUntil1() handling
// If BYWEEKNO is specified and BYMONTHDAY/BYYEARDAY is not specified,
// then let's add BYDAY to BYWEEKNO.
// NOTE: fixes YearlyByWeekNoX() handling
if (r.Frequency == FrequencyType.Weekly ||
(
r.ByWeekNo.Count > 0 &&
r.ByMonthDay.Count == 0 &&
r.ByYearDay.Count == 0
))
{
r.ByDay.Add(new WeekDay(referenceDate.DayOfWeek));
}
// If BYMONTHDAY is not specified,
// default to the current day of month.
// NOTE: fixes YearlyByMonth1() handling, added BYYEARDAY exclusion
// to fix YearlyCountByYearDay1() handling
if (r.Frequency > FrequencyType.Weekly &&
r.ByWeekNo.Count == 0 &&
r.ByYearDay.Count == 0 &&
r.ByMonthDay.Count == 0)
{
r.ByMonthDay.Add(referenceDate.Day);
}
// If BYMONTH is not specified, default to
// the current month.
// NOTE: fixes YearlyCountByYearDay1() handling
if (r.Frequency > FrequencyType.Monthly &&
r.ByWeekNo.Count == 0 &&
r.ByYearDay.Count == 0 &&
r.ByMonth.Count == 0)
{
r.ByMonth.Add(referenceDate.Month);
}
}
return(r);
}