private ConversationAggregatorFactory.AggregationApproach IdentifyAggregationApproachForSave(CoreItemOperation saveOperation, ICoreItem item)
{
if (this.session.LogonType == LogonType.Transport)
{
return(ConversationAggregatorFactory.AggregationApproach.NoOp);
}
ICorePropertyBag propertyBag = item.PropertyBag;
string valueOrDefault = propertyBag.GetValueOrDefault <string>(InternalSchema.ItemClass, string.Empty);
if (string.IsNullOrEmpty(valueOrDefault) || ConversationIdFromIndexProperty.CheckExclusionList(valueOrDefault) || propertyBag.GetValueOrDefault <bool>(InternalSchema.IsAssociated))
{
return(ConversationAggregatorFactory.AggregationApproach.NoOp);
}
if (this.mailboxOwner.ThreadedConversationProcessingEnabled || this.mailboxOwner.SideConversationProcessingEnabled)
{
if (saveOperation == CoreItemOperation.Send || (item.Origin == Origin.New && !ConversationIndex.WasMessageEverProcessed(propertyBag)))
{
if (!this.mailboxOwner.ThreadedConversationProcessingEnabled)
{
return(ConversationAggregatorFactory.AggregationApproach.SideConversation);
}
return(ConversationAggregatorFactory.AggregationApproach.ThreadedConversation);
}
else
{
if (this.mailboxOwner.IsGroupMailbox && !propertyBag.GetValueOrDefault <bool>(InternalSchema.IsDraft))
{
return(ConversationAggregatorFactory.AggregationApproach.SideConversation);
}
return(ConversationAggregatorFactory.AggregationApproach.NoOp);
}
}
else
{
if (item.Origin == Origin.New && !ConversationIndex.WasMessageEverProcessed(propertyBag))
{
return(ConversationAggregatorFactory.AggregationApproach.SameConversation);
}
return(ConversationAggregatorFactory.AggregationApproach.NoOp);
}
}