public void save(){
Topic topic = getModel(Topic.class);
topic.set("userID", getSessionAttr("userID")).set("id", null);
Post post = getModel(Post.class);
post.set("userID", getSessionAttr("userID"));
topic.save(post);
redirect("/post/" + topic.getInt("id"));
}
@Before(AdminInterceptor.class)
public void edit(){