internal static bool CancelCalendarItem(UserContext userContext, CalendarItemBase calendarItemBase, EditCalendarItemHelper.CancelRangeType cancelRange, ExDateTime cancelFromDateTime, out InfobarMessage infobarMessage)
{
bool result = true;
infobarMessage = null;
CalendarItem calendarItem = calendarItemBase as CalendarItem;
try
{
if (calendarItem == null)
{
StoreObjectId masterStoreObjectId = CalendarUtilities.GetMasterStoreObjectId(calendarItemBase);
calendarItem = Utilities.GetItem <CalendarItem>(userContext, masterStoreObjectId, new PropertyDefinition[0]);
if (calendarItem != null)
{
calendarItem.OpenAsReadWrite();
}
}
if (cancelRange == EditCalendarItemHelper.CancelRangeType.Occurrence || cancelRange == EditCalendarItemHelper.CancelRangeType.None)
{
EditCalendarItemHelper.CancelCalendarItem(userContext, calendarItemBase);
}
else if (cancelRange == EditCalendarItemHelper.CancelRangeType.All)
{
EditCalendarItemHelper.CancelCalendarItem(userContext, calendarItem);
}
else if (cancelRange == EditCalendarItemHelper.CancelRangeType.FromDate)
{
int cancelRecurrenceCount = CalendarItemUtilities.GetCancelRecurrenceCount(calendarItem, cancelFromDateTime);
if (cancelRecurrenceCount == 0)
{
EditCalendarItemHelper.CancelCalendarItem(userContext, calendarItem);
}
else if (cancelRecurrenceCount > 0)
{
calendarItem.Recurrence = new Recurrence(calendarItem.Recurrence.Pattern, new EndDateRecurrenceRange(calendarItem.Recurrence.Range.StartDate, cancelFromDateTime.IncrementDays(-1)));
if (calendarItem.IsMeeting && calendarItem.MeetingRequestWasSent)
{
result = CalendarUtilities.SendMeetingMessages(userContext, calendarItem, true, out infobarMessage);
}
else
{
result = CalendarUtilities.SaveCalendarItem(calendarItem, userContext, out infobarMessage);
}
}
}
}
finally
{
if (calendarItem != null && calendarItem != calendarItemBase)
{
calendarItem.Dispose();
}
}
return(result);
}
protected internal override CalendarItemOccurrence RecoverDeletedOccurrence()
{
if (this.possibleDeletedOccurrenceId != null)
{
MailboxSession calendarMailboxSession = MeetingMessage.GetCalendarMailboxSession(this);
for (int i = 0; i < 2; i++)
{
CalendarItem calendarItem = CalendarItem.Bind(calendarMailboxSession, StoreObjectId.FromProviderSpecificId(this.possibleDeletedOccurrenceId.ProviderLevelItemId, StoreObjectType.CalendarItem));
try
{
calendarItem.OpenAsReadWrite();
if (calendarItem.Recurrence != null)
{
InternalRecurrence internalRecurrence = (InternalRecurrence)calendarItem.Recurrence;
ExDateTime occurrenceId = ((OccurrenceStoreObjectId)this.possibleDeletedOccurrenceId).OccurrenceId;
if (internalRecurrence.IsValidOccurrenceId(occurrenceId))
{
if (internalRecurrence.IsOccurrenceDeleted(occurrenceId))
{
base.LocationIdentifierHelperInstance.SetLocationIdentifier(39541U, LastChangeAction.RecoverDeletedOccurance);
calendarItem.RecoverDeletedOccurrence(this.possibleDeletedOccurrenceId);
if (calendarItem.Save(SaveMode.ResolveConflicts).SaveStatus == SaveResult.IrresolvableConflict)
{
goto IL_136;
}
}
CalendarItemOccurrence calendarItemOccurrence = CalendarItemOccurrence.Bind(calendarMailboxSession, this.possibleDeletedOccurrenceId, MeetingMessageSchema.Instance.AutoloadProperties);
calendarItemOccurrence.OpenAsReadWrite();
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.RecoverDeletedOccurrence: GOID={0}; occurrence recovered.", this.GlobalObjectId);
return(calendarItemOccurrence);
}
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.RecoverDeletedOccurrence: GOID={0}; occurrence id is invalid.", this.GlobalObjectId);
return(null);
}
}
catch (OccurrenceNotFoundException)
{
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.RecoverDeletedOccurrence: GOID={0}; occurrence not found.", this.GlobalObjectId);
return(null);
}
finally
{
calendarItem.Dispose();
}
IL_136 :;
}
}
ExTraceGlobals.MeetingMessageTracer.Information <GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingMessage.RecoverDeletedOccurrence: GOID={0}; occurrence not recovered.", this.GlobalObjectId);
return(null);
}