private MeetingInquiryAction TryReviveMeeting(CalendarItemBase deletedVersion)
{
bool flag = false;
if (this.GlobalObjectId.IsCleanGlobalObjectId)
{
using (CalendarItemBase calendarItemBase = (CalendarItemBase)Microsoft.Exchange.Data.Storage.Item.CloneItem(base.Session, this.MailboxSession.GetDefaultFolderId(DefaultFolderType.Calendar), deletedVersion, false, true, null))
{
calendarItemBase.LocationIdentifierHelperInstance.SetLocationIdentifier(43287U, LastChangeAction.Resurrect);
calendarItemBase.Save(SaveMode.NoConflictResolution);
flag = true;
goto IL_207;
}
}
using (CalendarFolder calendarFolder = CalendarFolder.Bind(this.MailboxSession, DefaultFolderType.Calendar))
{
StoreId calendarItemId = calendarFolder.GetCalendarItemId(this.GlobalObjectId.CleanGlobalObjectIdBytes);
if (calendarItemId != null)
{
using (CalendarItem calendarItem = CalendarItem.Bind(this.MailboxSession, calendarItemId))
{
if (calendarItem.CalendarItemType == CalendarItemType.RecurringMaster)
{
try
{
calendarItem.RecoverDeletedOccurrenceByDateId(this.GlobalObjectId.Date);
calendarItem.LocationIdentifierHelperInstance.SetLocationIdentifier(59671U, LastChangeAction.Resurrect);
ConflictResolutionResult conflictResolutionResult = calendarItem.Save(SaveMode.ResolveConflicts);
if (conflictResolutionResult.SaveStatus == SaveResult.IrresolvableConflict)
{
ExTraceGlobals.MeetingMessageTracer.TraceError <string, GlobalObjectId>((long)this.GetHashCode(), "Storage.MeetingInquiryMessage::ReviveDeletedVersionIfNoCancellation for Mailbox {0} and GOID {1} hit a save conflict.", this.MailboxSession.DisplayName, this.GlobalObjectId);
throw new SaveConflictException(ServerStrings.ExSaveFailedBecauseOfConflicts(base.InternalObjectId), conflictResolutionResult);
}
flag = true;
}
catch (OccurrenceNotFoundException)
{
ExTraceGlobals.MeetingMessageTracer.TraceError <string, GlobalObjectId, ExDateTime>((long)this.GetHashCode(), "Storage.MeetingInquiryMessage::ReviveDeletedVersionIfNoCancellation for Mailbox {0} and GOID {1}. There's no occurrence on {2}", this.MailboxSession.DisplayName, this.GlobalObjectId, this.GlobalObjectId.Date);
}
catch (ObjectValidationException ex)
{
if (ex.Errors.Count != 1 || (!(ex.Errors[0].Constraint is OrganizerPropertiesConstraint) && !(ex.Errors[0].Constraint is CalendarOriginatorIdConstraint)))
{
throw;
}
ExTraceGlobals.MeetingMessageTracer.TraceError <string, GlobalObjectId, string>((long)this.GetHashCode(), "Storage.MeetingInquiryMessage::ReviveDeletedVersionIfNoCancellation for Mailbox {0} and GOID {1}. Object validation failed : {2}", this.MailboxSession.DisplayName, this.GlobalObjectId, ex.Message);
}
}
goto IL_1FB;
}
}
ExTraceGlobals.MeetingMessageTracer.TraceError <string, byte[]>((long)this.GetHashCode(), "Storage.MeetingInquiryMessage::ReviveDeletedVersionIfNoCancellation for Mailbox {0}. Couldn't find calendar item with CGOID {1}", this.MailboxSession.DisplayName, this.GlobalObjectId.CleanGlobalObjectIdBytes);
IL_1FB :;
}
IL_207 :
if (!flag)
{
return(MeetingInquiryAction.FailedToRevive);
}
return(MeetingInquiryAction.ReviveMeeting);
}