public async Task <IActionResult> DeleteComment(string postId, string commentId)
        {
            var post = await _blog.GetPostById(postId);

            if (post == null)
            {
                return(NotFound());
            }

            var comment = post.Comments.FirstOrDefault(c => c.ID.Equals(commentId, StringComparison.OrdinalIgnoreCase));

            if (comment == null)
            {
                return(NotFound());
            }
            post = PostModule.RemoveComment(comment, post);
            await _blog.SavePost(post);

            return(Redirect(PostModule.GetLink(post) + "#comments"));
        }