public virtual ActionResult Create(CommentModel model)
 {
     var post = Mapper.Map<CommentModel, Comment>(model);
     _postService.AddComment(model.PostId, post);
     return this.RedirectToAction<HomeController>(x => x.Post(model.PostId));
 }
 public virtual PartialViewResult Create(string postId)
 {
     var model = new CommentModel { PostId = postId };
     return PartialView(model);
 }