public ConversationResponse HandleMessage(Activity activity, ItemContextParameters parameters)
{
IConversation conversation = (ConversationHistory.Conversations.Any())
? ConversationHistory.Conversations.Last()
: null;
var inConversation = conversation != null && !conversation.IsEnded;
// determine which intent user wants and context
var result = LuisService.Query(AppId, activity.Text);
var requestedQuit =
result.TopScoringIntent.Intent.ToLower().Equals("quit") &&
result.TopScoringIntent.Score > 0.4;
var intent = IntentProvider.GetIntent(AppId, result.TopScoringIntent.Intent);
// if the user is trying to end or finish a conversation
if (inConversation && requestedQuit)
{
conversation.IsEnded = true;
return(intent.Respond(null, null, null));
}
// start a new conversation if not in one
if (!inConversation && intent != null && result.TopScoringIntent.Score > 0.4)
{
conversation = ConversationFactory.Create(result, intent);
ConversationHistory.Conversations.Add(conversation);
inConversation = true;
}
if (inConversation)
{
// check and request all required parameters of a conversation
foreach (ConversationParameter p in conversation.Intent.RequiredParameters)
{
if (!TryGetParam(p.ParamName, result, conversation, parameters, p.ParamGetter))
{
return(RequestParam(p, conversation, parameters));
}
}
conversation.IsEnded = true;
return(conversation.Intent.Respond(result, parameters, conversation));
}
// determine mood of comment
var sentiment = GetSentiment(activity.Text);
var sentimentScore = (sentiment?.Documents != null && sentiment.Documents.Any())
? sentiment.Documents.First().Score
: 1;
// is a user frustrated or is their intention unclear
return((sentimentScore <= 0.4)
? IntentProvider.GetIntent(AppId, "frustrated user").Respond(null, null, null)
: IntentProvider.GetDefaultResponse(AppId));
}
public virtual IConversation GetCurrentConversation()
{
var intent = IntentProvider.GetTopScoringIntent(this);
IConversation conversation = null;
var isConfident = Result.TopScoringIntent.Score > ApiKeys.LuisIntentConfidenceThreshold;
var hasValidIntent = intent != null && isConfident && intent.KeyName != "none";
if (ConversationHistory.Conversations.Any())
{
conversation = ConversationHistory.Conversations.Last();
}
var inConversation = conversation != null && !conversation.IsEnded;
if (!inConversation && hasValidIntent)
{
conversation = ConversationFactory.Create(Result, intent);
ConversationHistory.Conversations.Add(conversation);
}
return(conversation);
}