public async Task CreateMediaListToTVShowRelationship(MediaList mediaList, TVShow tvShow)
        {
            var relation = Relation.Instanciate(MediaList.ENTITY_CATEGORY_ID, mediaList.GetId(),
                                                TVShow.ENTITY_CATEGORY_ID, tvShow.GetId(), Relation.RELATION_STATUS_ACTIVE_ID, DateTime.Now);

            await Save(relation);
        }
        public async Task CreateMediaListToMovieRelationship(MediaList mediaList, Movie movie)
        {
            var relation = Relation.Instanciate(MediaList.ENTITY_CATEGORY_ID, mediaList.GetId(),
                                                Movie.ENTITY_CATEGORY_ID, movie.GetId(), Relation.RELATION_STATUS_ACTIVE_ID, DateTime.Now);

            await Save(relation);
        }