private async Task AddTrainingImages(IEnumerable <ImageAnalyzer> args, bool dismissImageCollectorFlyout = true)
{
this.progressControl.IsActive = true;
if (dismissImageCollectorFlyout)
{
this.trainingImageCollectorFlyout.Hide();
}
bool foundError = false;
Exception lastError = null;
foreach (var item in args)
{
try
{
PersistedFace addResult;
if (item.GetImageStreamCallback != null)
{
addResult = await FaceServiceHelper.AddPersonFaceFromStreamAsync(
this.CurrentPersonGroup.PersonGroupId,
this.SelectedPerson.PersonId,
imageStreamCallback : item.GetImageStreamCallback,
userData : item.LocalImagePath,
targetFaceRect : null);
}
else
{
addResult = await FaceServiceHelper.AddPersonFaceFromUrlAsync(
this.CurrentPersonGroup.PersonGroupId,
this.SelectedPerson.PersonId,
imageUrl : item.ImageUrl,
userData : item.ImageUrl,
targetFaceRect : null);
}
if (addResult != null)
{
this.SelectedPersonFaces.Add(new PersistedFace {
PersistedFaceId = addResult.PersistedFaceId, UserData = item.GetImageStreamCallback != null ? item.LocalImagePath : item.ImageUrl
});
this.needsTraining = true;
}
}
catch (Exception e)
{
foundError = true;
lastError = e;
}
}
if (foundError)
{
await Util.GenericApiCallExceptionHandler(lastError, "Failure adding one or more of the faces");
}
this.progressControl.IsActive = false;
}
private async void OnConfirmImportButtonClicked(object sender, RoutedEventArgs e)
{
this.addPeopleInBatchesFlyout.Hide();
this.commandBar.IsOpen = false;
this.progressControl.IsActive = true;
try
{
// UWP TextBox: new line is a '\r' symbol instead '\r\n'
string[] names = new string[] { };
if (!string.IsNullOrEmpty(this.importNamesTextBox?.Text))
{
string newLineSymbol = this.importNamesTextBox.Text.Contains(Environment.NewLine) ? Environment.NewLine : "\r";
names = this.importNamesTextBox.Text.Split(newLineSymbol);
}
foreach (var name in names)
{
string personName = Util.CapitalizeString(name.Trim());
if (string.IsNullOrEmpty(personName) || this.PersonsInCurrentGroup.Any(p => p.Name == personName))
{
continue;
}
Person newPerson = await FaceServiceHelper.CreatePersonAsync(this.CurrentPersonGroup.PersonGroupId, personName);
IEnumerable <string> faceUrls = await BingSearchHelper.GetImageSearchResults(string.Format("{0} {1} {2}", this.importImageSearchKeywordPrefix.Text, name, this.importImageSearchKeywordSufix.Text), count : 2);
foreach (var url in faceUrls)
{
try
{
ImageAnalyzer imageWithFace = new ImageAnalyzer(url);
await imageWithFace.DetectFacesAsync();
if (imageWithFace.DetectedFaces.Count() == 1)
{
await FaceServiceHelper.AddPersonFaceFromUrlAsync(this.CurrentPersonGroup.PersonGroupId, newPerson.PersonId, imageWithFace.ImageUrl, imageWithFace.ImageUrl, imageWithFace.DetectedFaces.First().FaceRectangle);
}
}
catch (Exception)
{
// Ignore errors with any particular image and continue
}
// Force a delay to reduce the chance of hitting API call rate limits
await Task.Delay(250);
}
this.needsTraining = true;
this.PersonsInCurrentGroup.Add(newPerson);
}
}
catch (Exception ex)
{
await Util.GenericApiCallExceptionHandler(ex, "Failure during batch processing");
}
this.progressControl.IsActive = false;
}