public async Task <QnAAnswer> GetQnAAnswer(string query)
{
var qnaUrl = _configuration.GetValue <string>("QnAPAth");
var qnaAuthHeaderValue = _configuration.GetValue <string>("QnAAuthHeaderKeyValue");
var body = new QnAQuery();
body.question = query;
var content = new StringContent(JsonConvert.SerializeObject(body), Encoding.UTF8, "application/json");
//_client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("EndpointKey", qnaAuthHeaderValue);
HttpRequestMessage msg = new HttpRequestMessage();
msg.Content = content;
msg.RequestUri = new System.Uri(qnaUrl);
msg.Headers.Authorization = new AuthenticationHeaderValue("EndpointKey", qnaAuthHeaderValue);
msg.Method = HttpMethod.Post;
try {
HttpResponseMessage result = await _client.SendAsync(msg);
QnAAnswer ret = JsonConvert.DeserializeObject <QnAAnswer>(await result.Content.ReadAsStringAsync());
return(ret);
}
catch (Exception e)
{
Console.WriteLine(e);
}
return(null);
}
public async void TrainService(QnAAnswer answer, string lastQuestion)
{
var client = new HttpClient();
// Request headers
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", ServiceKeys.qnamakerSubscriptionKey);
var uri = $"https://westus.api.cognitive.microsoft.com/qnamaker/v2.0/knowledgebases/{ServiceKeys.knowledgebaseId}/train";
HttpResponseMessage response;
// Request params
string lastAnswerQ = answer.Questions[0];
string lastAnswerA = answer.Answer;
string body = "{\"feedbackRecords\": [{\"userId\": \"" + Guid.NewGuid() + "\",\"userQuestion\": \"" + lastQuestion + "\",\"kbQuestion\": \"" + lastAnswerQ + "\",\"kbAnswer\": \"" + lastAnswerA + "\"}]}";
// Request body
byte[] byteData = Encoding.UTF8.GetBytes(body);
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
HttpRequestMessage req = new HttpRequestMessage(new HttpMethod("PATCH"), uri);
req.Content = content;
response = await client.SendAsync(req);
}
}
public async Task NoneIntent(IDialogContext context, LuisResult result)
{
QnAAnswer qnaAnswer = await cogSvc.AskWineChatbotFaqAsync(result.Query);
string message =
qnaAnswer.Score == 0 ?
@"Sorry, I didn't get that. " + ExampleText :
HttpUtility.HtmlDecode(qnaAnswer.Answer);
message = await TranslateResponseAsync(context, message);
await context.PostAsync(message);
context.Wait(MessageReceived);
}
private async Task HandleQuestionWorkflow(IDialogContext context, Microsoft.Bot.Connector.Activity activity, Data.Course course, QuestionModel questionModel)
{
var predictiveQnAService = new PredictiveQnAService(course.Id);
QnAAnswer response = await predictiveQnAService.GetAnswer(questionModel.QuestionText);
// if result, check confidence level
if (response != null && response.Score > Convert.ToDouble(course.PredictiveQnAConfidenceThreshold))
{
await HandleBotAnswerWorkflow(context, activity, questionModel, response, questionModel.TeamId);
}
else
{
// a score of 0 or a score below threshold both result in regular workflow
await HandleTagAdminWorkflow(activity, questionModel, questionModel.TeamId, course.Id);
}
}
private async Task HandleBotAnswerWorkflow(IDialogContext context, Microsoft.Bot.Connector.Activity activity, QuestionModel questionModel, QnAAnswer response, string teamId)
{
var connector = new ConnectorClient(new Uri(activity.ServiceUrl));
// above threshold
// post answer card with helpful/not-helpful
// Set question state
questionModel.QuestionStatus = Constants.QUESTION_STATUS_UNANSWERED;
// Save question
var questionId = SQLService.CreateOrUpdateQuestion(questionModel);
var attachment = CreateBotAnswerCard(response.Id, response.Answer, response.Score, questionId, questionModel.OriginalPoster.Email);
var reply = activity.CreateReply();
reply.Attachments.Add(attachment);
await context.PostAsync(reply);
}
