Exemplo n.º 1
0
        public ActionResult Create([Bind(Include = "ID,Title,Content")] Post post,string Tags)
        {
            if (ModelState.IsValid)
            {

                post.CreateTime = DateTime.UtcNow;
                post.LastModified = DateTime.UtcNow;
                post.Urlslug = new Regex("[^a-zA-Z0-9\u4e00-\u9fa5]+").Replace(post.Title, "-");
                //post.Tags.Add()
                foreach (var t in Tags.Split(',')) {
                    var s = t.Trim();
                    Tag curTag;
                    if (!_repo.getTags().Any(p => p.name == s))
                    {
                        curTag = new Tag { name = s };
                        db.Tags.Add(curTag);
                    }
                    else {
                        curTag = _repo.getTags().Where(x => x.name == s).Single();
                    }
                    if (curTag.posts == null)
                    {
                        curTag.posts = new List<Post>();
                    }
                    if (post.Tags == null) {
                        post.Tags = new List<Tag>();
                    }
                    curTag.posts.Add(post);
                    post.Tags.Add(curTag);
                }
                db.Posts.Add(post);
                db.SaveChanges();
                return RedirectToAction("Index");
            }

            return View(post);
        }
Exemplo n.º 2
0
        public ActionResult Edit([Bind(Include = "ID,Title,Content,CreateTime")] Post post,string Tags)
        {
            if (ModelState.IsValid)
            {
                Post prev = db.Posts.Find(post.ID);
                post.CreateTime = post.CreateTime;
                post.LastModified = DateTime.UtcNow;
                post.Urlslug = new Regex("[^a-zA-Z0-9\u4e00-\u9fa5]+").Replace(post.Title, "-");

                //remove original tags from database
                foreach (var t in prev.Tags.ToList())
                {
                    if (t.posts.Count == 1)
                    {
                        db.Tags.Remove(t);
                    }
                    else if (t.posts.Count > 1)
                    {
                        db.Tags.Find(t.name).posts.Remove(prev);
                    }
                }
                db.Posts.Remove(prev);
                db.SaveChanges();
                foreach (var t in Tags.Split(','))
                {
                    var s = t.Trim();
                    Tag curTag;
                    if (!_repo.getTags().Any(p => p.name == s))
                    {
                        curTag = new Tag { name = s };
                        db.Tags.Add(curTag);
                    }
                    else
                    {
                        curTag = _repo.getTags().Where(x => x.name == s).Single();
                        db.Entry(curTag).State = EntityState.Modified;
                    }
                    if (curTag.posts == null)
                    {
                        curTag.posts = new List<Post>();
                    }
                    if (post.Tags == null)
                    {
                        post.Tags = new List<Tag>();
                    }
                    curTag.posts.Add(post);
                    post.Tags.Add(curTag);
                }
                db.Posts.Add(post);
                db.SaveChanges();
                return RedirectToAction("Index");
            }
            return View(post);
        }