/// <summary>
/// Identifies person from temporary image taken from App
/// </summary>
/// <returns>Name of identified person</returns>
public async Task <string> Identify(string name)
{
var azureBlobHelper = new AzureBlobHelper();
string takenImageUri = null;
takenImageUri = azureBlobHelper.GetImageUri(name);
if (takenImageUri == null)
{
throw new ManagerException(RecognitionErrorMessages.WrongUriError);
}
var memoryStream = new MemoryStream();
memoryStream = RecUtil.GetStreamFromUri(takenImageUri);
var faces = await _faceServiceClient.DetectAsync(memoryStream);
if (faces.Length == 0 || faces == null)
{
throw new ManagerException(RecognitionErrorMessages.NoFacesFoundError);
}
var faceIds = faces.Select(face => face.FaceId).ToArray();
var results = await _faceServiceClient.IdentifyAsync(_groupId, faceIds);
if (results.Length == 0 || results == null || results[0].Candidates.Length == 0 || results[0].Candidates[0] == null)
{
throw new ManagerException(RecognitionErrorMessages.NoOneIdentifiedError);
}
var candidateId = results[0].Candidates[0].PersonId;
var person = await _faceServiceClient.GetPersonAsync(_groupId, candidateId);
azureBlobHelper.DeletePhoto(name);
return(person.Name);
}