public async Task <IHttpActionResult> Post()
{
SpeakersRepository speakersRepository = new SpeakersRepository();
var speakerList = speakersRepository.ListSpeakers();
IEnumerable <string> headerValues = this.Request.Headers.GetValues(SUBSCRIPTION_KEY_HEADER);
var subscriptionKey = headerValues.FirstOrDefault();
this.httpClient.DefaultRequestHeaders.Accept.Clear();
this.httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
this.httpClient.DefaultRequestHeaders.Add(SUBSCRIPTION_KEY_HEADER, subscriptionKey);
var audio = await this.Request.Content.ReadAsByteArrayAsync();
string enrolledProfiles = string.Join(",", speakerList.Select(x => x.identificationProfileId));
string uri = string.Format(@"https://westus.api.cognitive.microsoft.com/spid/v1.0/identify?identificationProfileIds={0}&shortAudio=true", enrolledProfiles);
using (var content = new ByteArrayContent(audio))
{
content.Headers.ContentType = new MediaTypeHeaderValue(@"application/json");
var response = await this.httpClient.PostAsync(uri, content);
if (!response.IsSuccessStatusCode)
{
return(InternalServerError(new Exception(await response.Content.ReadAsStringAsync())));
}
if (response.Headers.Contains(OPERATION_LOCATION_HEADER))
{
string operationLocationURL = response.Headers.GetValues(OPERATION_LOCATION_HEADER).First();
OperationResult operation = new OperationResult {
status = OperationStatus.notstarted
};
while (operation.status == OperationStatus.notstarted || operation.status == OperationStatus.running)
{
var operationResult = await GetOperationDetailAsync(operationLocationURL, subscriptionKey);
operation = JsonConvert.DeserializeObject <OperationResult>(operationResult);
if (operation.status == OperationStatus.succeeded)
{
if (operation.processingResult.confidence == IdentificationConfidence.Normal ||
operation.processingResult.confidence == IdentificationConfidence.High)
{
var identifiedSpeaker = speakerList.Single(x => x.identificationProfileId == operation.processingResult?.identifiedProfileId);
return(Ok(new SpeakerResult
{
id = identifiedSpeaker.identificationProfileId,
name = identifiedSpeaker.Name
}));
}
else
{
return(BadRequest("No se pudo detectar la identidad. Por favor, vuelva a intentarlo."));
}
}
// TODO: Add error handling.
// Wait a bit to try again.
Thread.Sleep(300);
}
}
}
return(BadRequest());
}
