public function addAction()
 {
     $success = false;
     $errors = array();
     if (!self::$_install && $this->request->data) {
         Model::connection()->read(self::$_sql);
         if (!($success = UsersController::addUser($this->request->data['user'], $this->request->data['password'], $errors))) {
             $errors['User'] = "******";
         }
         if ($success && !($success = PostsController::addPost("Post example", self::$_lorem, $errors))) {
             $errors['Post'] = "Post can't be created.";
         }
         if ($success) {
             self::$_install = true;
         }
     }
     return compact('success', 'errors');
 }