// Token: 0x060003D4 RID: 980 RVA: 0x0001B9C0 File Offset: 0x00019BC0
        private bool PreScreenPassed(object[] itemProperties, PropertyIndexHolder propertyIndexHolder, out string itemClass)
        {
            itemClass = null;
            VersionedId versionedId = itemProperties[propertyIndexHolder.IdIndex] as VersionedId;

            if (versionedId == null)
            {
                ExpirationTagEnforcer.Tracer.TraceError <ExpirationTagEnforcer>((long)this.GetHashCode(), "{0}: We could not get id of this item. Skipping it.", this);
                return(false);
            }
            StoreObjectId storeObjectId = itemProperties[propertyIndexHolder.ParentItemIdIndex] as StoreObjectId;

            if (storeObjectId == null)
            {
                ExpirationTagEnforcer.Tracer.TraceError <ExpirationTagEnforcer>((long)this.GetHashCode(), "{0}: We could not get parent id of this item. Skipping it.", this);
                return(false);
            }
            if (base.MailboxDataForTags.CorruptItemList.Contains(versionedId.ObjectId))
            {
                ExpirationTagEnforcer.Tracer.TraceError <ExpirationTagEnforcer, VersionedId>((long)this.GetHashCode(), "{0}: The item {1} is in the corrupt list. Skipping it.", this, versionedId);
                return(false);
            }
            itemClass = (itemProperties[propertyIndexHolder.ItemClassIndex] as string);
            itemClass = ((itemClass == null) ? string.Empty : itemClass.ToLower(CultureInfo.InvariantCulture));
            return(TagAssistantHelper.IsRetainableItem(itemClass) && (!TagAssistantHelper.IsConflictableItem(itemClass, storeObjectId.ProviderLevelItemId, this.deletedItemsId) || base.ElcTagSubAssistant.ELCAssistantCalendarTaskRetentionEnabled));
        }
        // Token: 0x060004A2 RID: 1186 RVA: 0x00021FA8 File Offset: 0x000201A8
        public bool IsEventInteresting(MapiEvent mapiEvent)
        {
            ElcEventBasedAssistant.Tracer.TraceDebug <MapiEvent>((long)this.GetHashCode(), "MapiEvent is dispatched: {0}", mapiEvent);
            if (!this.IsEventRelevant(mapiEvent))
            {
                return(false);
            }
            CachedState cachedState = AssistantsService.CachedObjectsList.GetCachedState(mapiEvent.MailboxGuid);
            UserRetentionPolicyCache userRetentionPolicyCache = RetentionPolicyCheck.QuickCheckForRetentionPolicy(mapiEvent, cachedState);

            if (userRetentionPolicyCache == null || userRetentionPolicyCache.UnderRetentionPolicy)
            {
                bool flag = RetentionPolicyCheck.IsEventConfigChange(mapiEvent);
                if (flag)
                {
                    RetentionPolicyCheck.UpdateStateForPendingFaiEvent(mapiEvent.EventCounter, cachedState);
                    ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: this event is interesting because it is a change to our FAI: {1}", TraceContext.Get(), mapiEvent);
                    return(true);
                }
                if (RetentionPolicyCheck.IsAutoTagFai(mapiEvent))
                {
                    ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: this event is interesting because it is a change to an Autotag FAI: {1}", TraceContext.Get(), mapiEvent);
                    return(true);
                }
                MapiEventTypeFlags mapiEventTypeFlags = MapiEventTypeFlags.ObjectCreated | MapiEventTypeFlags.ObjectModified | MapiEventTypeFlags.ObjectMoved | MapiEventTypeFlags.ObjectCopied;
                if ((mapiEvent.EventMask & mapiEventTypeFlags) != (MapiEventTypeFlags)0)
                {
                    if (mapiEvent.ClientType == MapiEventClientTypes.Transport && userRetentionPolicyCache != null && !this.InSentItems(userRetentionPolicyCache, mapiEvent))
                    {
                        ElcEventBasedAssistant.Tracer.TraceDebug <MapiEvent>((long)this.GetHashCode(), "Event is from transport and item not in SentItems. Ignoring from IsEventInteresting. Mapievent: {0}", mapiEvent);
                        return(false);
                    }
                    if (userRetentionPolicyCache != null && !this.IsEventOnRelevantFolder(userRetentionPolicyCache, mapiEvent))
                    {
                        return(false);
                    }
                    if (userRetentionPolicyCache != null && TagAssistantHelper.IsConflictableItem(mapiEvent.ObjectClass, mapiEvent.ParentEntryId, userRetentionPolicyCache.DeletedItemsId))
                    {
                        return(false);
                    }
                    MapiEventTypeFlags mapiEventTypeFlags2 = MapiEventTypeFlags.ObjectMoved | MapiEventTypeFlags.ObjectCopied;
                    if (mapiEvent.ItemType == ObjectType.MAPI_FOLDER && (mapiEvent.EventMask & mapiEventTypeFlags2) != (MapiEventTypeFlags)0)
                    {
                        ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: this event is interesting because is a moved folder: {1}", TraceContext.Get(), mapiEvent);
                        return(true);
                    }
                    if (mapiEvent.ItemType == ObjectType.MAPI_MESSAGE)
                    {
                        ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: this event is interesting because is a message: {1}", TraceContext.Get(), mapiEvent);
                        return(true);
                    }
                }
            }
            return(false);
        }
        // Token: 0x060004A3 RID: 1187 RVA: 0x00022124 File Offset: 0x00020324
        protected override void HandleEventInternal(MapiEvent mapiEvent, MailboxSession itemStore, StoreObject item, List <KeyValuePair <string, object> > customDataToLog)
        {
            ElcEventBasedAssistant.Tracer.TraceDebug <MapiEvent>((long)this.GetHashCode(), "MapiEvent is handled: {0}", mapiEvent);
            this.ManageCache(mapiEvent.MailboxGuid);
            if (this.IsIgnorableDraft(mapiEvent, item))
            {
                return;
            }
            CachedState cachedState = AssistantsService.CachedObjectsList.GetCachedState(mapiEvent.MailboxGuid);

            cachedState.LockForRead();
            UserRetentionPolicyCache userRetentionPolicyCache = null;

            try
            {
                userRetentionPolicyCache = RetentionPolicyCheck.DetailedCheckForRetentionPolicy(mapiEvent, itemStore, item, cachedState);
            }
            finally
            {
                cachedState.ReleaseReaderLock();
            }
            if (RetentionPolicyCheck.IsEventConfigChange(mapiEvent))
            {
                ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: updated configuration {1}", TraceContext.Get(), mapiEvent);
                return;
            }
            if (userRetentionPolicyCache != null && userRetentionPolicyCache.UnderRetentionPolicy)
            {
                bool flag = false;
                if (!this.IsEventOnRelevantFolder(userRetentionPolicyCache, mapiEvent))
                {
                    return;
                }
                if (mapiEvent.ClientType == MapiEventClientTypes.Transport && !this.InSentItems(userRetentionPolicyCache, mapiEvent))
                {
                    ElcEventBasedAssistant.Tracer.TraceDebug <ElcEventBasedAssistant, MapiEvent>((long)this.GetHashCode(), "{0} Event is from transport and item not in SentItems. Ignoring from HandleEvent. Mapievent: {1}", this, mapiEvent);
                    return;
                }
                if (TagAssistantHelper.IsConflictableItem(mapiEvent.ObjectClass, mapiEvent.ParentEntryId, userRetentionPolicyCache.DeletedItemsId))
                {
                    return;
                }
                if ((mapiEvent.EventMask & MapiEventTypeFlags.ObjectMoved) != (MapiEventTypeFlags)0 && mapiEvent.ItemType == ObjectType.MAPI_FOLDER)
                {
                    userRetentionPolicyCache.ResetFolderCaches();
                }
                StoreObjectId storeObjectId = StoreObjectId.FromProviderSpecificId(mapiEvent.ItemEntryId);
                if (mapiEvent.ItemType == ObjectType.MAPI_FOLDER && item == null && mapiEvent.ItemEntryId != null && (mapiEvent.EventMask & MapiEventTypeFlags.ObjectDeleted) == (MapiEventTypeFlags)0)
                {
                    Exception ex = null;
                    try
                    {
                        ElcEventBasedAssistant.Tracer.TraceDebug <object, MapiEvent>((long)this.GetHashCode(), "{0}: A folder was changed and needs to be manually loaded {1}", TraceContext.Get(), mapiEvent);
                        item = Folder.Bind(itemStore, storeObjectId, ElcEventBasedAssistantType.InternalPreloadItemProperties);
                        flag = true;
                    }
                    catch (ObjectNotFoundException ex2)
                    {
                        ex = ex2;
                    }
                    catch (ConversionFailedException ex3)
                    {
                        ex = ex3;
                    }
                    catch (VirusMessageDeletedException ex4)
                    {
                        ex = ex4;
                    }
                    if (ex != null)
                    {
                        ElcEventBasedAssistant.Tracer.TraceDebug <ElcEventBasedAssistant, Exception>((long)this.GetHashCode(), "{0}: Problems loading a folder. It will not be processed. Exception: {1}", this, ex);
                        return;
                    }
                }
                try
                {
                    StoreObjectId     parentId          = StoreObjectId.FromProviderSpecificId(mapiEvent.ParentEntryId);
                    ElcEventProcessor elcEventProcessor = ElcEventProcessor.GetElcEventProcessor();
                    elcEventProcessor.ValidateStoreObject(userRetentionPolicyCache, itemStore, parentId, storeObjectId, item, mapiEvent);
                }
                finally
                {
                    if (flag)
                    {
                        item.Dispose();
                    }
                }
            }
        }