public async Task <IHttpActionResult> AddFavorite([FromBody] FavoriteModel favoriteModel)
        {
            FavoriteRepository repository = new FavoriteRepository();
            var result = await repository.AddFavorite(rhNetContext, this.User.Identity.Name, favoriteModel);

            if (result == favoriteModel)
            {
                return(Ok(result));
            }
            else
            {
                return(BadRequest(result.ToString()));
            }
        }