private async void AppBarButtonPersonGroupRefresh_Click(object sender, RoutedEventArgs e)
{
this.IsEnabled = false;
personGroupProgressRing.IsActive = true;
appbarEditPersonGroupButton.IsEnabled = false;
appbarPersonGroupNextButton.IsEnabled = false;
appbarDeletePersonGroupButton.IsEnabled = false;
List <PersonGroups> personGroups = await PersonGroupCmds.ListPersonGroups();
personGroupListView.ItemsSource = personGroups;
personGroupListView.DisplayMemberPath = "name";
globals.gPersonGroupList = personGroups;
personGroupProgressRing.IsActive = false;
this.IsEnabled = true;
}
private async void FaceQuery(StorageFile file)
{
CloudBlockBlob blob = null;
string blobFileName = null;
if (null != file)
{
txtResponse.Text = "";
progressRingMainPage.IsActive = true;
BitmapImage bitmapImage = new BitmapImage();
IRandomAccessStream fileStream = await file.OpenAsync(FileAccessMode.Read);
bitmapImage.SetSource(fileStream);
CapturedPhoto.Source = bitmapImage;
CapturedPhoto.Tag = file.Path;
blobFileName = System.Guid.NewGuid() + "." + file.Name.Split('.').Last <string>();
await HttpHandler.tempContainer.CreateIfNotExistsAsync();
BlobContainerPermissions permissions = new BlobContainerPermissions();
permissions.PublicAccess = BlobContainerPublicAccessType.Blob;
await HttpHandler.tempContainer.SetPermissionsAsync(permissions);
blob = HttpHandler.tempContainer.GetBlockBlobReference(blobFileName);
await blob.DeleteIfExistsAsync();
await blob.UploadFromFileAsync(file);
string uri = "https://api.projectoxford.ai/face/v1.0/detect?returnFaceId=true";
string jsonString = "{\"url\":\"" + HttpHandler.storagePath + "visitors/" + blobFileName + "\"}";
HttpContent content = new StringContent(jsonString, Encoding.UTF8, "application/json");
HttpResponseMessage response = await HttpHandler.client.PostAsync(uri, content);
if (response.IsSuccessStatusCode)
{
string responseBody = await response.Content.ReadAsStringAsync();
if (null == globals.gPersonGroupList)
{
globals.gPersonGroupList = await PersonGroupCmds.ListPersonGroups();
}
List <string> names = await VisitorCmds.CheckVisitorFace(responseBody, globals.gPersonGroupList);
if (0 == names.Count)
{
txtResponse.Text = "Sorry, I don't know.";
}
else
{
txtResponse.Text = string.Join(", ", names.ToArray());
}
}
else
{
string responseBody = await response.Content.ReadAsStringAsync();
globals.ShowJsonErrorPopup(responseBody);
}
await blob.DeleteAsync();
progressRingMainPage.IsActive = false;
}
}
