private async Task <QueryResult> GetGeneralResponseFromKB(ITurnContext turnContext, ShowQnAResultState qnaStatus, bool considerActiveLearning = false, CancellationToken cancellationToken = default(CancellationToken))
{
var qnaOptions = new QnAMakerOptions();
if (considerActiveLearning)
{
qnaOptions.Top = Constants.ActiveLearningTop;
qnaOptions.ScoreThreshold = Constants.ActiveLearningThreshold;
}
else
{
qnaOptions.Top = Constants.DefaultTop;
qnaOptions.ScoreThreshold = Constants.DefaultThreshold;
}
var response = await _services.QnAServices[QnAMakerKey].GetAnswersAsync(turnContext, qnaOptions);
if (response != null && response.GetLength(0) != 0 && response[0].Score >= Constants.DefaultThreshold)
{
if (response.GetLength(0) == 1 || !considerActiveLearning || response[0].Score > 0.95F)
{
return(response[0]);
}
var activeLearningResponse = HandleActiveLearning(response, qnaStatus, turnContext.Activity.Text);
TelemetryUtils.LogActiveLearningResponse(this._services.TelemetryClient, TelemetryConstants.ActiveLearningEvent, turnContext.Activity, activeLearningResponse);
return(activeLearningResponse);
}
return(null);
}
private async Task HandleFeedbackFlow(ShowQnAResultState qnastatus, ITurnContext turnContext, CancellationToken cancellationToken = default(CancellationToken))
{
var isValidFeedback = await this.IsValidFeedback(turnContext);
if (isValidFeedback)
{
TelemetryUtils.LogFeedbackResponse(this._services.TelemetryClient, TelemetryConstants.FeedbackEvent, turnContext.Activity, qnastatus);
turnContext.Activity.Text = qnastatus.QnaAnswer.Requery ?? null;
}
qnastatus.ConsiderState = false;
qnastatus.IsFeedback = false;
qnastatus.NeuroconCount = 0;
}
private async Task <string> GetLuisIntent(ITurnContext turnContext, bool enableLuis, CancellationToken cancellationToken = default(CancellationToken))
{
if (!enableLuis)
{
return("None");
}
try
{
var luisResult = await _services.LuisServices[LuisKey].RecognizeAsync(turnContext, cancellationToken);
var topIntent = luisResult?.GetTopScoringIntent();
TelemetryUtils.LogLuisResponse(this._services.TelemetryClient, TelemetryConstants.LuisEvent, turnContext.Activity, topIntent.Value.intent + " score : " + topIntent.Value.score.ToString());
return(topIntent.Value.intent);
}
catch (Exception e)
{
TelemetryUtils.LogException(this._services.TelemetryClient, turnContext.Activity, e, "luis", "expection while getting luis intent");
return("None");
}
}
/// <summary>
/// Every conversation turn for our QnA bot will call this method.
/// There are no dialogs used, the sample only uses "single turn" processing,
/// meaning a single request and response, with no stateful conversation.
/// </summary>
/// <param name="turnContext">A <see cref="ITurnContext"/> containing all the data needed
/// for processing this conversation turn. </param>
/// <param name="cancellationToken">(Optional) A <see cref="CancellationToken"/> that can be used by other objects
/// or threads to receive notice of cancellation.</param>
/// <returns>A <see cref="Task"/> that represents the work queued to execute.</returns>
/// <seealso cref="BotStateSet"/>
/// <seealso cref="ConversationState"/>
/// <seealso cref="IMiddleware"/>
public async Task OnTurnAsync(ITurnContext turnContext, CancellationToken cancellationToken = default(CancellationToken))
{
// Handle Message activity type, which is the main activity type for shown within a conversational interface
// Message activities may contain text, speech, interactive cards, and binary or unknown attachments.
// see https://aka.ms/about-bot-activity-message to learn more about the message and other activity types
if (turnContext.Activity.Type == ActivityTypes.Message)
{
var dialogContext = await dialogs.CreateContextAsync(turnContext, cancellationToken);
var qnastatus = await _accessors.QnAResultState.GetAsync(turnContext, () => new ShowQnAResultState());
if (qnastatus.IsFeedback)
{
await HandleFeedbackFlow(qnastatus, turnContext, cancellationToken);
}
string requery = null;
if (qnastatus.ConsiderState)
{
// Call Active Learning Train API
if (qnastatus.ActiveLearningAnswer)
{
_services.QnAServices.TryGetValue(QnAMakerKey, out var qnaservice);
var activeLearningData = new ActiveLearningDTO()
{
hostName = qnaservice.Endpoint.Host,
endpointKey = qnaservice.Endpoint.EndpointKey,
kbid = qnaservice.Endpoint.KnowledgeBaseId,
userId = turnContext.Activity.From.Id,
userQuestion = qnastatus.ActiveLearningUserQuestion,
};
requery = Utils.GetRequery(qnastatus, turnContext.Activity.Text, activeLearningData);
if (requery != null)
{
TelemetryUtils.LogTrainApiResponse(this._services.TelemetryClient, TelemetryConstants.TrainApiEvent, turnContext.Activity, activeLearningData, requery);
}
}
else
{
requery = Utils.GetRequery(qnastatus, turnContext.Activity.Text);
}
if (requery != null)
{
turnContext.Activity.Text = requery;
}
}
QueryResult responseGeneral = null, responseLuis = null;
// Get QnA Answer for multiturn
var responseMultiturn = await GetMultiturnResponseFromKB(turnContext, qnastatus.QnaAnswer);
if (responseMultiturn == null)
{
// Get general response from KB
responseGeneral = await GetGeneralResponseFromKB(turnContext, qnastatus, true);
if (responseGeneral == null)
{
// Get LUIS intent
var luisIntent = await GetLuisIntent(turnContext, Constants.EnableLuis);
if (!luisIntent.Equals("None"))
{
// Get Luis response
responseLuis = await GetResponseWithLuisIntent(turnContext, luisIntent);
}
}
}
// choose response
var qnaresponse = Utils.SelectResponse(responseMultiturn, responseGeneral, responseLuis, qnastatus.QnaAnswer);
if (qnaresponse != null)
{
if (qnaresponse.Options != null && qnaresponse.Options.Count != 0)
{
await ShowQnAResponseWithOptions(turnContext, qnaresponse, qnastatus);
}
else
{
await ShowQnAResponseWithText(turnContext, qnaresponse, qnastatus);
}
if (qnastatus.QnaAnswer.Name == Constants.MetadataValue.Redirection)
{
await ShowRedirection(Constants.RedirectionType.GuidedFlow, turnContext, cancellationToken);
}
if (qnastatus.NeuroconCount >= Constants.ConsecutiveNeuroconAnswersAllowed)
{
await ShowRedirection(Constants.RedirectionType.Neurocon, turnContext, cancellationToken);
}
}
else
{
// get answer from Nurocon
var personalitychatanswer = await SendCognitiveServicesResponse(turnContext, cancellationToken, Constants.EnablePersonalityChat);
if (personalitychatanswer == string.Empty || personalitychatanswer.Equals(@"Sorry, I don't have a response for that.", StringComparison.OrdinalIgnoreCase))
{
var msg = @"I don't have an answer for that. Try typing MENU to go back to the main menu";
TelemetryUtils.LogNoAnswerEvent(this._services.TelemetryClient, turnContext.Activity);
qnastatus.NeuroconCount++;
await _accessors.QnAResultState.SetAsync(turnContext, qnastatus);
await _accessors.ConversationState.SaveChangesAsync(turnContext);
await turnContext.SendActivityAsync(msg, cancellationToken : cancellationToken);
if (qnastatus.NeuroconCount >= Constants.ConsecutiveNeuroconAnswersAllowed)
{
await ShowRedirection(Constants.RedirectionType.Neurocon, turnContext, cancellationToken);
}
}
else
{
personalitychatanswer = personalitychatanswer + " [🛈](https://labs.cognitive.microsoft.com/en-us/project-personality-chat \"Auto generated answer using Personality chat. Click to know more\")";
qnastatus.ConsiderState = false;
qnastatus.QnaAnswer = null;
qnastatus.NeuroconCount++;
TelemetryUtils.LogNeuroconResponse(this._services.TelemetryClient, TelemetryConstants.NeuroconEvent, turnContext.Activity, qnastatus, personalitychatanswer);
await _accessors.QnAResultState.SetAsync(turnContext, qnastatus);
await _accessors.ConversationState.SaveChangesAsync(turnContext);
await turnContext.SendActivityAsync(personalitychatanswer, cancellationToken : cancellationToken);
if (qnastatus.NeuroconCount >= Constants.ConsecutiveNeuroconAnswersAllowed)
{
await ShowRedirection(Constants.RedirectionType.Neurocon, turnContext, cancellationToken);
}
}
}
}
else if (turnContext.Activity.Type == ActivityTypes.ConversationUpdate)
{
return;
}
else if (turnContext.Activity.Type == ActivityTypes.Event)
{
// Send a welcome message to the user.
var eventActivity = turnContext.Activity.AsEventActivity();
if (eventActivity.Name == Constants.EventWelcomeMessage)
{
TelemetryUtils.LogWelcomeResponse(this._services.TelemetryClient, "Welcome Event Detected", turnContext.Activity);
var dialogContext = await dialogs.CreateContextAsync(turnContext, cancellationToken);
var qnastatus = await _accessors.QnAResultState.GetAsync(turnContext, () => new ShowQnAResultState());
qnastatus.ConsiderState = false;
qnastatus.QnaAnswer.Text = Constants.WelcomeQuestion;
qnastatus.QnaAnswer.Name = Constants.MetadataValue.Welcome;
await _accessors.QnAResultState.SetAsync(turnContext, qnastatus);
await _accessors.ConversationState.SaveChangesAsync(turnContext);
await SendWelcomeMessageAsync(turnContext, cancellationToken);
}
}
else
{
await turnContext.SendActivityAsync($"{turnContext.Activity.Type} event detected", cancellationToken : cancellationToken);
}
}
