public async Task GetNotes(User user) { if (!_service.IsUserModerator(Context.User.Id)) { await SendUserNotEnoughRights(); return; } IList <INote> notes = _service.GetNotes(user); if (notes == null || notes.Count == 0) { await ReplyAsync($"User has no notes in history."); } else { // ToDo: send embedded messages with all notes of users } }