internal static string GetMessageFromException(Exception ex)
{
string errorDetails = ex.Message;
FaceAPIException faceApiException = ex as FaceAPIException;
if (faceApiException?.ErrorMessage != null)
{
errorDetails = faceApiException.ErrorMessage;
}
Microsoft.ProjectOxford.Common.ClientException commonException = ex as Microsoft.ProjectOxford.Common.ClientException;
if (commonException?.Error?.Message != null)
{
errorDetails = commonException.Error.Message;
}
Microsoft.ProjectOxford.Vision.ClientException visionException = ex as Microsoft.ProjectOxford.Vision.ClientException;
if (visionException?.Error?.Message != null)
{
errorDetails = visionException.Error.Message;
}
HttpOperationException httpException = ex as HttpOperationException;
if (httpException?.Response?.ReasonPhrase != null)
{
errorDetails = string.Format("{0}. The error message was \"{1}\".", ex.Message, httpException?.Response?.ReasonPhrase);
}
return(errorDetails);
}
internal static string GetMessageFromException(Exception ex)
{
string errorDetails = ex.Message;
FaceAPIException faceApiException = ex as FaceAPIException;
if (faceApiException?.ErrorMessage != null)
{
errorDetails = faceApiException.ErrorMessage;
}
ClientException commonException = ex as ClientException;
if (commonException?.Error?.Message != null)
{
errorDetails = commonException.Error.Message;
}
Microsoft.ProjectOxford.Vision.ClientException visionException = ex as Microsoft.ProjectOxford.Vision.ClientException;
if (visionException?.Error?.Message != null)
{
errorDetails = visionException.Error.Message;
}
return(errorDetails);
}
private static async Task <Face> GetFirstFaceAsync(Stream image, TraceWriter log)
{
var faceClient = new FaceServiceClient(
Environment.GetEnvironmentVariable("FaceAPIKey", EnvironmentVariableTarget.Process),
Environment.GetEnvironmentVariable("FaceAPIEndpoint", EnvironmentVariableTarget.Process));
try
{
Face[] detectResult = await faceClient.DetectAsync(
image,
returnFaceAttributes :
new FaceAttributeType[] {
FaceAttributeType.Age,
FaceAttributeType.FacialHair,
FaceAttributeType.Gender,
FaceAttributeType.Smile,
FaceAttributeType.Glasses
},
returnFaceLandmarks : true);
if (detectResult.Length > 0)
{
Face firstFace = detectResult[0];
return(firstFace);
}
else
{
//TODO: no face - skonèit / vyvolat znovu capture?
log.Info("No faces detected.");
return(null);
}
}
catch (Exception ex) when((ex is AggregateException && ex.InnerException is FaceAPIException) || ex is FaceAPIException)
{
FaceAPIException exp = null;
if (ex is FaceAPIException)
{
exp = (FaceAPIException)ex;
}
else if (ex is AggregateException && ex.InnerException is FaceAPIException)
{
exp = (FaceAPIException)ex.InnerException;
}
log.Error("Detection Error: " + exp?.ErrorMessage);
// pokud bude code 429, poèkat chvíli a spustit znovu
return(null);
}
}
public async Task RegisterKnownUsersAsync()
{
try
{
#region Create new Person Group
//try
//{
// // Delete the person group if it already exists.
// PersonGroup group = await faceServiceClient.GetPersonGroupAsync(personGroupId);
// Debug.WriteLine("Person Group " + personGroupId + " already exists, deleting it.");
// await faceServiceClient.DeletePersonGroupAsync(personGroupId);
//}
//catch (Exception)
//{
// // Hmmm, that exception tasted yummy.
//}
//// create an empty person group with an Id and a friendly display name.
//await faceServiceClient.CreatePersonGroupAsync(personGroupId, personGroupName);
#endregion
#region Upload images for each person
////StorageFolder knownImagesBaseFolder = await KnownFolders.CameraRoll.GetFolderAsync("knownimages");
//StorageFolder knownImagesBaseFolder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync(@"Assets\knownimages");
//var knownImageFolders = await knownImagesBaseFolder.GetFoldersAsync();
//foreach (StorageFolder person in knownImageFolders)
//{
// Debug.WriteLine(person.Name);
// // define a person in the group
// CreatePersonResult friend = await faceServiceClient.CreatePersonAsync(personGroupId, person.Name);
// IReadOnlyList<StorageFile> files = await person.GetFilesAsync();
// // add the known images of the person
// foreach (StorageFile file in files)
// {
// using (Stream s = File.OpenRead(file.Path))
// {
// Debug.WriteLine("Uploading " + file.Path);
// // detect faces in the image and add to person
// await faceServiceClient.AddPersonFaceAsync(personGroupId, friend.PersonId, s);
// }
// }
//}
#endregion
#region Train the model.
//await faceServiceClient.TrainPersonGroupAsync(personGroupId);
//// wait until the training is complete.
//TrainingStatus trainingstatus = null;
//while (true)
//{
// trainingstatus = await faceServiceClient.GetPersonGroupTrainingStatusAsync(personGroupId);
// if (trainingstatus.Status == Status.Succeeded)
// {
// Debug.WriteLine("Training complete.");
// break;
// }
// Debug.WriteLine("Wating for training to complete....");
// await Task.Delay(10000);
//}
#endregion
}
catch (Exception ex)
{
#region Track and display errors
FaceAPIException fex = (FaceAPIException)ex.InnerException;
Debug.WriteLine(ex.InnerException.Message);
Debug.WriteLine(fex.ErrorCode);
Debug.WriteLine(fex.ErrorMessage);
#endregion
}
KnownImagesRegistered = true;
//App.Controller.Camera.PhotoTaken += Camera_PhotoTaken;
}
