private static async Task ScanPhotoAsync(this TelegramService telegramService)
{
var message = telegramService.MessageOrEdited;
var chatId = message.Chat.Id;
var msgId = message.MessageId;
if (message.Photo != null)
{
Log.Information("");
var fileName = $"{chatId}/ocr-{msgId}.jpg";
Log.Information("Preparing photo");
var savedFile = await telegramService.DownloadFileAsync(fileName)
.ConfigureAwait(false);
// var ocr = await TesseractProvider.OcrSpace(savedFile)
// .ConfigureAwait(false);
var ocr = GoogleVision.ScanText(savedFile);
Log.Information("Scanning message..");
var isMustDelete = await IsMustDelete(ocr)
.ConfigureAwait(false);
Log.Information($"Message {message.MessageId} IsMustDelete: {isMustDelete}");
if (isMustDelete)
{
await telegramService.DeleteAsync(message.MessageId)
.ConfigureAwait(false);
}
savedFile.GetDirectory().RemoveFiles("ocr");
}
}
public override async Task HandleAsync(IUpdateContext context, UpdateDelegate next, string[] args,
CancellationToken cancellationToken)
{
_telegramService = new TelegramService(context);
var msg = _telegramService.Message;
var chatId = msg.Chat.Id;
if (msg.ReplyToMessage != null)
{
var repMsg = msg.ReplyToMessage;
var msgId = repMsg.MessageId;
if (repMsg.Photo != null)
{
await _telegramService.SendTextAsync("Sedang memproses gambar")
.ConfigureAwait(false);
var fileName = $"{chatId}/ocr-{msgId}.jpg";
Log.Information("Preparing photo");
var savedFile = await _telegramService.DownloadFileAsync(fileName)
.ConfigureAwait(false);
// var ocr = TesseractProvider.ScanImage(savedFile);
var ocr = GoogleVision.ScanText(savedFile);
// var ocr = await TesseractProvider.OcrSpace(savedFile)
// .ConfigureAwait(false);
// var txt = @$"<b>Scan Result</b>\n{ocr}";
if (ocr.IsNullOrEmpty())
{
ocr = "Tidak terdeteksi adanya teks di gambar tersebut";
}
await _telegramService.EditAsync(ocr)
.ConfigureAwait(false);
savedFile.GetDirectory().RemoveFiles("ocr");
return;
}
}
await _telegramService.SendTextAsync("Silakan reply salah satu gambar")
.ConfigureAwait(false);
}
