public async Task <IActionResult> UpdatePost(Post post)
        {
            if (!ModelState.IsValid)
            {
                return(View("Edit", post));
            }

            var existing = await _note.GetPostById(post.ID) ?? post;

            string categories = Request.Form["categories"];
            string title      = (post.Title.Trim() != null) ? post.Title.Trim() : "need title for this post";

            existing.Categories  = categories.Split(",", StringSplitOptions.RemoveEmptyEntries).Select(c => c.Trim().ToLowerInvariant()).ToList();
            existing.Title       = title;
            existing.Slug        = Models.Post.CreateSlug(post.Title);
            existing.IsPublished = post.IsPublished;
            existing.Content     = post.Content.Trim();
            string content = post.Content.Trim();

            existing.Excerpt = content.Substring(0, 500);;

            await _note.SavePost(existing);

            await SaveFilesToDisk(existing);

            return(Redirect(post.GetLink()));
        }
        private WilderMinds.MetaWeblog.Post ToMetaWebLogPost(Models.Post post)
        {
            var    request = _context.HttpContext.Request;
            string url     = request.Scheme + "://" + request.Host;

            return(new WilderMinds.MetaWeblog.Post
            {
                postid = post.ID,
                title = post.Title,
                wp_slug = post.Slug,
                permalink = url + post.GetLink(),
                dateCreated = post.PubDate,
                description = post.Content,
                categories = post.Categories.ToArray()
            });
        }