public IEnumerable <YoutubeDTO> Search(string filter)
        {
            var search = _repository.Load <SearchYoutubeDTO>(x => x.Filter == filter, SEARCH);

            if (search.Any())
            {
                return(_repository.Load <YoutubeDTO>(x => x.Filter == filter, MOVIES));
            }
            var movies = _api.Search(filter).ToList();

            Task.Run(() => SaveSearch(filter, movies));
            return(movies);
        }