save($data); } public function deleteOne($data) { $this->where($data)->delete(); } public static function checkPraise($user_id, $comment_id) { if (empty($user_id)) { return false; } $one = self::where('comment_id', $comment_id)->where('user_id', $user_id)->find(); if (empty($one)) { return false; } return true; } }