public function create()
 {
     if (parent::auth()) {
         if ($_POST) {
             if (isset($_FILES['picture'])) {
                 parent::uploadImage($_FILES['picture'], 'post');
             }
             $_POST['slug'] = parent::createSlug($_POST['title']);
             $_POST['user_id'] = $_SESSION['id'];
             $post = new POST($_POST);
             $post->save();
             parent::redirect('post/myposts');
         }
         parent::render('post/create');
     } else {
         parent::redirect('site/index');
     }
 }