public async Task PictureAnalyseAsync(Activity activity)
{
VisionServiceClient visionClient;
string visionApiKey;
visionApiKey = ConfigurationManager.AppSettings["VisionApiKey"];
visionClient = new VisionServiceClient(visionApiKey);
StringBuilder reply = new StringBuilder();
//If the user uploaded an image, read it, and send it to the Vision API
if (activity.Attachments.Any() && activity.Attachments.First().ContentType.Contains("image"))
{
//stores image url (parsed from attachment or message)
string uploadedImageUrl = activity.Attachments.First().ContentUrl;
StringConstructor stringConstructor = new StringConstructor();
using (Stream imageFileStream = GetStreamFromUrl(uploadedImageUrl))
{
StringConstructorSDK client = new StringConstructorSDK()
{
WebAppUrl = $"{ ConfigurationManager.AppSettings["WebAppUrl"] }"
};
reply.Append(await client.PictureAnalyseAsync(visionApiKey, imageFileStream));
}
}
ConnectorClient connector = new ConnectorClient(new Uri(activity.ServiceUrl));
await connector.Conversations.ReplyToActivityAsync(activity.CreateReply(reply.ToString()));
}
private async Task TakePicture(string conversID)
{
if (!WebcamService.IsInitialized)
{
await WebcamService.InitializeCameraAsync();
await WebcamService.StartCameraPreviewAsync();
}
using (var stream = new InMemoryRandomAccessStream())
{
ImageEncodingProperties imgFormat = ImageEncodingProperties.CreatePng();
// create storage file in local app storage
StorageFile file = await ApplicationData.Current.LocalFolder.CreateFileAsync(
"AdaPhotoTMP.png",
CreationCollisionOption.ReplaceExisting);
// take photo
await WebcamService.MediaCapture.CapturePhotoToStorageFileAsync(imgFormat, file);
FileStream fileStream = new FileStream(file.Path, FileMode.Open);
Stream streamFinal = fileStream.AsRandomAccessStream().AsStream();
StringConstructorSDK client = new StringConstructorSDK()
{
WebAppUrl = $"{ AppConfig.WebUri}"
};
try
{
var activity = new Activity
{
From = new ChannelAccount("Jean"),
Text = "Picture from UWP",
Type = ActivityTypes.Message,
//Envoyer le stream
ChannelData = await client.PictureAnalyseAsync(AppConfig.Vision, streamFinal),
//ATTENTION CONVERSID DIFFERENT!!!!!
Name = conversID,
//Summary = serviceUrl
};
await _client.Conversations.PostActivityAsync(_conversation.ConversationId, activity);
}
catch (HttpRequestException)
{
//Impossible to take picture
}
}
}