private async Task <DialogTurnResult> CheckForMultiTurnPrompt(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
if (stepContext.Result is List <QueryResult> response && response.Count > 0)
{
// -Check if context is present and prompt exists
// -If yes: Add reverse index of prompt display name and its corresponding qna id
// -Set PreviousQnAId as answer.Id
// -Display card for the prompt
// -Wait for the reply
// -If no: Skip to next step
var answer = response.First();
if (answer.Context != null && answer.Context.Prompts.Count() > 0)
{
var dialogOptions = GetDialogOptionsValue(stepContext);
var qnaDialogResponseOptions = dialogOptions[QnADialogResponseOptions] as QnADialogResponseOptions;
var previousContextData = new Dictionary <string, int>();
if (dialogOptions.ContainsKey(QnAContextData))
{
previousContextData = dialogOptions[QnAContextData] as Dictionary <string, int>;
}
foreach (var prompt in answer.Context.Prompts)
{
previousContextData.Add(prompt.DisplayText, prompt.QnaId);
}
dialogOptions[QnAContextData] = previousContextData;
dialogOptions[PreviousQnAId] = answer.Id;
stepContext.ActiveDialog.State["options"] = dialogOptions;
// Get multi-turn prompts card activity.
var message = QnACardBuilder.GetQnAPromptsCard(answer, qnaDialogResponseOptions.CardNoMatchText);
await stepContext.Context.SendActivityAsync(message).ConfigureAwait(false);
return(new DialogTurnResult(DialogTurnStatus.Waiting));
}
}
return(await stepContext.NextAsync(stepContext.Result, cancellationToken).ConfigureAwait(false));
}
private async Task <DialogTurnResult> CallGenerateAnswerAsync(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
var qnaMakerOptions = new QnAMakerOptions
{
ScoreThreshold = DefaultThreshold,
Top = DefaultTopN
};
var dialogOptions = GetDialogOptionsValue(stepContext);
// Getting options
if (dialogOptions.ContainsKey(QnAOptions))
{
qnaMakerOptions = dialogOptions[QnAOptions] as QnAMakerOptions;
qnaMakerOptions.ScoreThreshold = qnaMakerOptions?.ScoreThreshold ?? DefaultThreshold;
qnaMakerOptions.Top = DefaultTopN;
}
// Storing the context info
stepContext.Values[CurrentQuery] = stepContext.Context.Activity.Text;
// -Check if previous context is present, if yes then put it with the query
// -Check for id if query is present in reverse index.
if (!dialogOptions.ContainsKey(QnAContextData))
{
dialogOptions[QnAContextData] = new Dictionary <string, int>();
}
else
{
var previousContextData = dialogOptions[QnAContextData] as Dictionary <string, int>;
if (dialogOptions[PreviousQnAId] != null)
{
var previousQnAId = Convert.ToInt32(dialogOptions[PreviousQnAId]);
if (previousQnAId > 0)
{
qnaMakerOptions.Context = new QnARequestContext
{
PreviousQnAId = previousQnAId
};
if (previousContextData.TryGetValue(stepContext.Context.Activity.Text, out var currentQnAId))
{
qnaMakerOptions.QnAId = currentQnAId;
}
}
}
}
// Calling QnAMaker to get response.
var response = await _qnaMakerClient.GetAnswersRawAsync(stepContext.Context, qnaMakerOptions).ConfigureAwait(false);
// Resetting previous query.
dialogOptions[PreviousQnAId] = -1;
stepContext.ActiveDialog.State["options"] = dialogOptions;
// Take this value from GetAnswerResponse
var isActiveLearningEnabled = response.ActiveLearningEnabled;
stepContext.Values[QnAData] = new List <QueryResult>(response.Answers);
// Check if active learning is enabled.
// maximumScoreForLowScoreVariation is the score above which no need to check for feedback.
if (isActiveLearningEnabled && response.Answers.Any() && response.Answers.First().Score <= maximumScoreForLowScoreVariation)
{
// Get filtered list of the response that support low score variation criteria.
response.Answers = _qnaMakerClient.GetLowScoreVariation(response.Answers);
if (response.Answers.Count() > 1)
{
var suggestedQuestions = new List <string>();
foreach (var qna in response.Answers)
{
suggestedQuestions.Add(qna.Questions[0]);
}
// Get active learning suggestion card activity.
var qnaDialogResponseOptions = dialogOptions[QnADialogResponseOptions] as QnADialogResponseOptions;
var message = QnACardBuilder.GetSuggestionsCard(suggestedQuestions, qnaDialogResponseOptions.ActiveLearningCardTitle, qnaDialogResponseOptions.CardNoMatchText);
await stepContext.Context.SendActivityAsync(message).ConfigureAwait(false);
return(new DialogTurnResult(DialogTurnStatus.Waiting));
}
}
var result = new List <QueryResult>();
if (response.Answers.Any())
{
result.Add(response.Answers.First());
}
stepContext.Values[QnAData] = result;
// If card is not shown, move to next step with top qna response.
return(await stepContext.NextAsync(result, cancellationToken).ConfigureAwait(false));
}