public IList <TransferScript> Post(IList <TransferScript> scripts)
        {
            if (scripts == null)
            {
                throw  new ArgumentNullException("scripts");
            }

            _scriptService.SaveScripts(
                scripts.Select((script => _scriptMapper.Map(script)))
                .ToList());

            var identity   = (FormsIdentity)HttpContext.Current.User.Identity;
            var operatorId = _cookieParser.GetUserId(identity);

            return(_scriptService.FetchScriptsByOperatorId(operatorId)
                   .Select(script => _scriptMapper.Map(script))
                   .ToList());
        }