public async Task<JsonResult> GetFeaturedArticle(int categoryId)
        {
            var article = await _service.GetFeaturedArticle(categoryId);
            var viewModel = new ArticleModel(article);

            return Json(viewModel);
        }
        public async Task<JsonResult> GetArticleByUrl(int categoryId, string articleUrl)
        {
            var article = await _service.GetArticle(categoryId, articleUrl);
            var viewModel = new ArticleModel(article);

            return Json(viewModel);
        }
        public async Task<JsonResult> GetArticle(int id)
        {
            var article = await _service.GetArticle(id);
            var viewModel = new ArticleModel(article);

            return Json(viewModel);
        }