// Methods private static void ApplyRelatedItems(SPItem masterItem, IList <SPItem> expanded, IEnumerable <SPItem> related, IEnumerable <int> excludeExceptionIds, string beginFieldName, string endFieldName, SPTimeZone localTimeZone) { foreach (SPItem item in related) { int integerFieldValue = SafeFieldAccessor.GetIntegerFieldValue(masterItem, "ID"); DateTime dateTimeFieldValue = SafeFieldAccessor.GetDateTimeFieldValue(item, "RecurrenceID"); string id = GenerateRecurrenceItemId(integerFieldValue, dateTimeFieldValue, localTimeZone, false); SPItem item2 = FindItemById(expanded, id); if (item2 != null) { expanded.Remove(item2); } int eventType = GetEventType(item); if ((eventType == 4) && ((excludeExceptionIds == null) || !excludeExceptionIds.Contains <int>(item.ID))) { DateTime start = SafeFieldAccessor.GetDateTimeFieldValue(item, beginFieldName); DateTime end = SafeFieldAccessor.GetDateTimeFieldValue(item, endFieldName); item2 = FindItemByBeginEnd(expanded, beginFieldName, endFieldName, start, end); if (item2 != null) { if (GetEventType(item2) == 4) { continue; } expanded.Remove(item2); } SPItem item3 = new ExpandedCalendarItem(item); string str2 = GenerateExceptionItemId(item.ID, integerFieldValue, eventType); item3["ID"] = str2; expanded.Add(item3); } } }
private static IList <SPItem> ExpandSeriesItem(SPItem masterItem, string beginFieldName, string endFieldName, DateTime localTimeRangeBegin, DateTime localTimeRangeEnd, SPTimeZone localTZ) { DateTime time; DateTime time2; RecurrenceRule rule = new RecurrenceRule(SafeFieldAccessor.GetStringFieldValue(masterItem, "RecurrenceData")); bool boolFieldValue = SafeFieldAccessor.GetBoolFieldValue(masterItem, "fAllDayEvent"); SPTimeZone timeZone = GetTimeZone(masterItem, localTZ); DateTime dateTimeFieldValue = SafeFieldAccessor.GetDateTimeFieldValue(masterItem, beginFieldName); DateTime rangeEnd = SafeFieldAccessor.GetDateTimeFieldValue(masterItem, endFieldName); RecurrenceTimeZoneConverter converter = new RecurrenceTimeZoneConverter(timeZone, localTZ, dateTimeFieldValue, rangeEnd); if (boolFieldValue) { time = dateTimeFieldValue; time2 = rangeEnd; } else { time = converter.ToOriginal(dateTimeFieldValue); time2 = converter.ToOriginal(rangeEnd); } TimeSpan itemLength = CalculateItemLength(time, time2); DateTime rangeBegin = converter.ToOriginal(localTimeRangeBegin); DateTime time6 = converter.ToOriginal(localTimeRangeEnd); if (boolFieldValue) { rangeBegin = localTimeRangeBegin; time6 = localTimeRangeEnd; } DateTime time7 = new DateTime(dateTimeFieldValue.Ticks) + itemLength; if (time7.Day != dateTimeFieldValue.Day) { rangeBegin = rangeBegin.AddDays(-1.0); } rangeBegin = ComputeExpandBegin(rangeBegin, time, rule); time6 = ComputeExpandEnd(time6, time, time2, rule, timeZone); List <SPItem> list = new List <SPItem>(); DateTime date = rangeBegin.Date; while (true) { DateTime itemBegin = ComputeTargetBegin(date, time, rule); DateTime time10 = ComputeTargetEnd(itemBegin, itemLength); TimeSpan span2 = (TimeSpan)(time10 - itemBegin); bool flag2 = span2.Ticks == 0L; if ((time6 < itemBegin) || ((time6 == itemBegin) && !flag2)) { return(list); } if (0x3e7 <= list.Count) { return(list); } if (((rule.Type == RecurrenceRule.RecurrenceType.Daily) && rule.IsWeekday) && ((itemBegin.DayOfWeek == DayOfWeek.Saturday) || (itemBegin.DayOfWeek == DayOfWeek.Sunday))) { date = IncrementDate(date, rule); } else if ((rule.Type == RecurrenceRule.RecurrenceType.Weekly) && !rule.DaysOfWeek.Contains(itemBegin.DayOfWeek)) { date = IncrementDate(date, rule); } else { ExpandedCalendarItem item = null; if ((rangeBegin < time10) || ((rangeBegin == time10) && (itemLength.Ticks == 0L))) { item = new ExpandedCalendarItem(masterItem); if (boolFieldValue) { item[beginFieldName] = itemBegin; item[endFieldName] = time10; } else { item[beginFieldName] = converter.ToLocal(itemBegin); item[endFieldName] = converter.ToLocal(time10); } string str2 = GenerateRecurrenceItemId(SafeFieldAccessor.GetIntegerFieldValue(masterItem, "ID"), (DateTime)item[beginFieldName], localTZ, boolFieldValue); item["ID"] = str2; if (0x3e7 > list.Count) { list.Add(item); } } date = IncrementDate(date, rule); } } }