private async Task <DialogTurnResult> CallTrain(WaterfallStepContext stepContext, CancellationToken cancellationToken)
{
var trainResponses = stepContext.Values[QnAData] as List <QueryResult>;
var currentQuery = stepContext.Values[CurrentQuery] as string;
if (trainResponses.Count > 1)
{
var reply = stepContext.Context.Activity.Text;
var qnaResult = trainResponses.Where(kvp => kvp.Questions[0] == reply).FirstOrDefault();
if (qnaResult != null)
{
stepContext.Values[QnAData] = new List <QueryResult>()
{
qnaResult
};
var records = new FeedbackRecord[]
{
new FeedbackRecord
{
UserId = stepContext.Context.Activity.Id,
UserQuestion = currentQuery,
QnaId = qnaResult.Id,
}
};
var feedbackRecords = new FeedbackRecords {
Records = records
};
// Call Active Learning Train API
ActiveLearningHelper.CallTrain(_services.QnaEndpoint.Host, feedbackRecords, _services.QnaEndpoint.KnowledgeBaseId, _services.QnaEndpoint.EndpointKey, cancellationToken);
return(await stepContext.NextAsync(new List <QueryResult>(){ qnaResult }, cancellationToken));
}
else
{
return(await stepContext.EndDialogAsync());
}
}
return(await stepContext.NextAsync(stepContext.Result, cancellationToken));
}
/// <summary>
/// Method to call QnAMaker Train API for Active Learning
/// TODO: Move it to the SDK code
/// </summary>
/// <param name="host">Endpoint host of the runtime</param>
/// <param name="body">Body of the train API</param>
/// <param name="kbId">Knowledgebase Id</param>
/// <param name="key">Endpoint key</param>
/// <param name="cancellationToken"> Cancellation token</param>
public async static void CallTrain(string host, FeedbackRecords feedbackRecords, string kbId, string key, CancellationToken cancellationToken)
{
var uri = host + "/knowledgebases/" + kbId + "/train/";
using (var client = new HttpClient())
{
using (var request = new HttpRequestMessage())
{
request.Method = HttpMethod.Post;
request.RequestUri = new Uri(uri);
request.Content = new StringContent(JsonConvert.SerializeObject(feedbackRecords), Encoding.UTF8, "application/json");
request.Headers.Add("Authorization", "EndpointKey " + key);
var response = await client.SendAsync(request, cancellationToken);
await response.Content.ReadAsStringAsync();
}
}
}
