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 ConversationResponse ProcessUserInput(IConversationContext context)
{
if (string.IsNullOrWhiteSpace(context.Result.Query) || context.Result == null)
{
return(IntentProvider.GetDefaultResponse(context.AppId));
}
// gather data
var intent = IntentProvider.GetTopScoringIntent(context);
var conversation = context.GetCurrentConversation();
var isConfident = context.Result.TopScoringIntent.Score > ApiKeys.LuisIntentConfidenceThreshold;
var hasValidIntent = intent != null && isConfident;
var inConversation = conversation != null && !conversation.IsEnded;
var requestedQuit = hasValidIntent && intent.KeyName.Equals(context.QuitIntentName);
// if the user is trying to end or finish a conversation
if (inConversation && requestedQuit)
{
return(EndCurrentConversation(context));
}
// continue conversation
if (inConversation)
{
return(HandleCurrentConversation(context));
}
// is a user frustrated or is their intention unclear
var sentimentScore = context.Result.SentimentAnalysis?.score ?? 1;
return((sentimentScore <= 0.4)
? IntentProvider.GetIntent(context.AppId, context.FrustratedIntentName)?.Respond(null, null, null) ?? IntentProvider.GetDefaultResponse(context.AppId)
: IntentProvider.GetDefaultResponse(context.AppId));
}
public ActionResult Post([FromBody] Activity activity)
{
var s = JsonConvert.SerializeObject(activity.ChannelData);
var d = JsonConvert.DeserializeObject <List <string> >(s);
ItemContextParameters parameters = (d.Any())
? JsonConvert.DeserializeObject <ItemContextParameters>(d[0])
: new ItemContextParameters();
if (activity.Type != ActivityTypes.Message)
{
return(null);
}
var result = !string.IsNullOrWhiteSpace(activity.Text) ? LuisService.Query(ChatSettings.OleApplicationId, activity.Text, true) : null;
var conversationContext = ConversationContextFactory.Create(
ChatSettings.OleApplicationId,
Translator.Text("Chat.Clear"),
Translator.Text("Chat.ConfirmMessage"),
"decision - yes",
"decision - no",
"frustrated",
"profile user - quit",
parameters,
result);
var conversation = conversationContext.GetCurrentConversation();
var inConversation = conversation?.IsEnded ?? false;
var isQuestion = result.Query.Split(new char[] { ' ' }).Take(2).Any(a => QuestionWords.Contains(a));
var response = (!inConversation && isQuestion)
? IntentProvider.GetIntent(ChatSettings.OleApplicationId, "self - websearch").Respond(result, parameters, conversation);
: LuisConversationService.ProcessUserInput(conversationContext);
var newMessage = Regex.Replace(response.Message, "<.*?>", " ");
var relativePath = $"temp\\ole-{CreateMD5Hash(newMessage)}.mp3";
var filePath = $"{Request.PhysicalApplicationPath}{relativePath}";
var locale = SpeechLocaleOptions.enUS;
var voice = VoiceName.EnUsGuyNeural;
var gender = GenderOptions.Male;
var audioFormat = AudioOutputFormatOptions.Audio24Khz160KBitRateMonoMp3;
SpeechService.TextToFile(newMessage, filePath, locale, voice, gender, audioFormat);
var reply = activity.CreateReply(response.Message, "en-US");
reply.ChannelData = new ChannelData
{
Input = response.Input,
Selections = response.Selections?.ToDictionary(a => a.Key, b => b.Value.DisplayName) ?? null,
Action = response.Action,
AudioFile = $"\\{relativePath}"
};
return(Json(reply));
}