try:
    db = DBPools()
    post_id = params_kw.get('post_id', '')
    user_id = await get_user()

    async with db.sqlorContext('sage') as sor:
        # 获取作品详情
        posts = await sor.R('showcase_posts', {"id": post_id})
        if not posts:
            return json.dumps({"status": "error", "message": "作品不存在"}, ensure_ascii=False)
        post = dict(posts[0])

        # 增加浏览计数
        new_view = (post.get('view_count', 0) or 0) + 1
        await sor.U('showcase_posts', {"id": post_id, "view_count": new_view})
        post['view_count'] = new_view

        # 检查当前用户是否已点赞
        liked = await sor.sqlExe(
            "SELECT id FROM showcase_likes WHERE post_id = ${post_id}$ AND user_id = ${user_id}$",
            {"post_id": post_id, "user_id": user_id}
        )
        post['is_liked'] = len(liked) > 0

        # 检查是否已购买(付费作品)
        if float(post.get('price', 0)) > 0:
            bought = await sor.sqlExe(
                "SELECT id FROM showcase_downloads WHERE post_id = ${post_id}$ AND user_id = ${user_id}$ AND payment_status = '1'",
                {"post_id": post_id, "user_id": user_id}
            )
            post['is_purchased'] = len(bought) > 0
        else:
            post['is_purchased'] = True

        # 移除敏感字段
        post.pop('model_input', None)
        post.pop('model_output', None)

    return json.dumps({"status": "ok", "data": post}, ensure_ascii=False)
except Exception as e:
    return json.dumps({"status": "error", "message": str(e)}, ensure_ascii=False)