public static async Task <Guid> AddNewFace(string username, Stream photo)
{
UpdateActivityIndicatorStatus(true);
try
{
await CreatePersonGroup().ConfigureAwait(false);
var createPersonResult = await FaceApiClient.PersonGroupPerson.CreateAsync(_personGroupId, username).ConfigureAwait(false);
var faceResult = await FaceApiClient.PersonGroupPerson.AddFaceFromStreamAsync(_personGroupId, createPersonResult.PersonId, photo).ConfigureAwait(false);
var trainingStatus = await TrainPersonGroup(_personGroupId).ConfigureAwait(false);
if (trainingStatus.Status.Equals(TrainingStatusType.Failed))
{
throw new Exception(trainingStatus.Message);
}
return(faceResult.PersistedFaceId);
}
catch (Exception ex)
{
Debug.WriteLine("An error occured, Please try again.");
DebugService.PrintException(ex);
throw new Exception(ex.Message);
}
finally
{
UpdateActivityIndicatorStatus(false);
}
}
static async Task CreatePersonGroup()
{
try
{
await FaceApiClient.PersonGroup.CreateAsync(_personGroupId, _personGroupName).ConfigureAwait(false);
}
catch (APIErrorException e) when(e.Response.StatusCode is HttpStatusCode.Conflict)
{
Debug.WriteLine("Person Group Already Exists");
DebugService.PrintException(e);
}
}
public static async Task RemoveExistingFace(Guid userId)
{
await UpdateActivityIndicatorStatus(true).ConfigureAwait(false);
try
{
await FaceApiClient.PersonGroupPerson.DeleteAsync(_personGroupId, userId).ConfigureAwait(false);
}
catch (APIErrorException e) when(e.Response.StatusCode.Equals(HttpStatusCode.NotFound))
{
Debug.WriteLine("Person Does Not Exist");
DebugService.PrintException(e);
}
finally
{
await UpdateActivityIndicatorStatus(false).ConfigureAwait(false);
}
}