public async Task <QNAResponse> GetAnswerAsync(string question)
{
string responseString = string.Empty;
//Build the URI
Uri qnamakerUriBase = new Uri("https://westus.api.cognitive.microsoft.com/qnamaker/v1.0");
var builder = new UriBuilder($"{qnamakerUriBase}/knowledgebases/{knowledgebaseId}/generateAnswer");
//Add the question as part of the body
var postBody = $"{{\"question\": \"{question}\"}}";
//Send the POST request
using (WebClient client = new WebClient())
{
//Add the subscription key header
client.Headers.Add("Ocp-Apim-Subscription-Key", qnamakerSubscriptionKey);
client.Headers.Add("Content-Type", "application/json");
responseString = await client.UploadStringTaskAsync(builder.Uri, postBody);
}
QNAResponse response = await JSONHelper.DeSerializeJSON <QNAResponse>(responseString);
return(response);
}
// Pass question and get top answer
public async static Task <string> GetAnswer(string question)
{
var uri = endpoint_host + endpointService + baseRoute + "/" + kbid + "/generateAnswer";
//Console.WriteLine("Get answers " + uri + ".");
using (var client = new HttpClient())
using (var request = new HttpRequestMessage())
{
request.Method = HttpMethod.Post;
request.RequestUri = new Uri(uri);
request.Content = new StringContent("{question:'" + question + "'}", Encoding.UTF8, "application/json");
// NOTE: The value of the header contains the string/text 'EndpointKey ' with the trailing space
request.Headers.Add("Authorization", "EndpointKey " + endpoint_key);
var response = await client.SendAsync(request);
var responseBody = await response.Content.ReadAsStringAsync();
//Console.WriteLine(PrettyPrint(responseBody));
QNAResponse qnaResponse = JsonConvert.DeserializeObject <QNAResponse>(responseBody);
return(qnaResponse.answers[0].answer);
//return responseBody.
}
}
public async Task FAQS(IDialogContext context, LuisResult result)
{
QNAService qNa = new QNAService();
QNAResponse reponse = await qNa.GetAnswerAsync(result.Query);
await context.PostAsync(reponse.Answer);
context.Wait(this.MessageReceived);
}
