public ActionResult AddReply(Reply reply, int PostID, int CommentID)
 {
     if (ModelState.IsValid)
     {
         string BlogPostJsonPath = Server.MapPath("~/App_Data/Blog-Posts.json");
         reply.date = DateTime.Now;
         _blogPostService.AddReply(reply, PostID, CommentID, BlogPostJsonPath);
     }
     return(RedirectToAction("Post", new { id = PostID }));
 }