private async Task MessageReceivedAsync
(IDialogContext context, IAwaitable <IMessageActivity> result)
{
var messageResult = await result;
var cvs = new OCRService();
var finalResult = string.Empty;
// 上傳圖片的處理
if (messageResult.Attachments?.Any(a => a.ContentType.Contains("image")) ?? false)
{
var attachment =
messageResult.Attachments.FirstOrDefault(x => x.ContentType.Contains("image"));
var imageStream = await
messageResult.GetConnector().GetImageStream(attachment);
var ocrResult = await cvs.GetOcrResultAsync(imageStream, "zh-Hant");
finalResult = ProcessImageOcrResult(context, ocrResult);
}
// 圖片網址的處理
else if (Uri.IsWellFormedUriString(messageResult.Text, UriKind.Absolute))
{
var ocrResult = await cvs.GetOcrResultAsync(messageResult.Text, "zh-Hant");
finalResult = ProcessImageOcrResult(context, ocrResult);
}
context.Done(finalResult);
}