public async Task <string> GetTelegramPhotoFileAsync(int localId, string secret, string volumeId, int size, string type)
{
try
{
var buffer = await _telegramService.GetPhotoFileAsync(localId, long.Parse(secret),
long.Parse(volumeId), size);
string base64String = Convert.ToBase64String(buffer, 0, buffer.Length);
return("data:" + type + ";base64," + base64String);
}
catch { }
return(null);
}