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Co-authored-by: xiaoxia <dev@xiaoxiajianji.com> Co-committed-by: xiaoxia <dev@xiaoxiajianji.com>
908 lines
34 KiB
Markdown
908 lines
34 KiB
Markdown
# 会员制 + 积分方案设计文档
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> **Issue**: [#1895](https://git.xiaoxiajianji.com/xiaoxia/xiaoxia-saas/issues/1895)
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> **版本**: v1.0
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> **状态**: 方案设计(待确认)
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> **创建时间**: 2026-09-14
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---
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## 一、设计背景与目标
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### 1.1 背景
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当前系统采用**纯订阅制**计费模式(4 档:free/standard/pro/enterprise),存在以下问题:
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1. **灵活性不足**:用户付费后只能按套餐配额使用,无法按需消费高频 AI 能力
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2. **前后端不一致**:前端 Plans.tsx 写死 3 档,后端硬编码 4 档
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3. **积分能力缺失**:`quota.py` 已预留 `AI_VOICE_CREDITS` 枚举,`module_registry.py` 已注册消耗规则,但无实际账户、流水、扣费和充值链路
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4. **收入天花板**:纯订阅制难以覆盖 AI 调用成本波动,高频用户和低频用户无法差异化变现
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### 1.2 目标
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- **会员制**保留基础权益(存储、项目数、并发数等),提供稳定收入
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- **积分制**覆盖 AI 消耗型功能(配音、数字人、视频生成等),按需付费、用多少扣多少
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- 两者结合,既降低轻度用户入门门槛,又提升重度用户 ARPU
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- 在现有 `QuotaChecker` + `ModuleRegistry` 架构上扩展,不推倒重来
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---
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## 二、会员等级设计
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### 2.1 等级定义
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保留 4 档,与现有后端 `PLAN_QUOTAS` 对齐,重新定义权益:
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| 等级 | 月付价格 | 年付价格 | 定位 |
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|------|----------|----------|------|
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| **免费版(free)** | ¥0 | ¥0 | 体验用户,验证产品价值 |
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| **标准版(standard)** | ¥99/月 | ¥999/年(约 ¥83/月) | 个人创作者 |
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| **专业版(pro)** | ¥299/月 | ¥2,999/年(约 ¥250/月) | 专业团队 |
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| **企业版(enterprise)** | ¥999/月 | ¥9,999/年(约 ¥833/月) | 企业 / 工作室 |
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### 2.2 会员权益对照表
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| 权益维度 | 免费版 | 标准版 | 专业版 | 企业版 |
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|----------|--------|--------|--------|--------|
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| 项目数量 | 3 个 | 10 个 | 不限 | 不限 |
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| 存储空间 | 10 GB | 50 GB | 100 GB | 1 TB |
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| 并发任务数 | 3 | 10 | 20 | 50 |
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| 导出分辨率 | 720p | 1080p | 4K | 4K |
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| 模板数量 | 3 个 | 15 个 | 不限 | 不限 |
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| 标题库 | 50 条 | 500 条 | 500 条 | 不限 |
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| 配音库 | 10 条 | 100 条 | 100 条 | 不限 |
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| AI 配音 | ✗ | ✓ | ✓ | ✓ |
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| 批量导出 | ✗ | ✓ | ✓ | ✓ |
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| 多平台发布 | ✗ | ✗ | ✓ | ✓ |
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| 去重检测报告 | ✗ | ✗ | ✓ | ✓ |
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| **每月赠送积分** | 0 | 200 | 800 | 3,000 |
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| 技术支持 | 社区 | 邮件 | 优先响应 | 专属客服 |
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> 注:`AI_VOICE_ENABLED`、`BATCH_EXPORT_ENABLED`、`MULTI_PLATFORM_ENABLED`、`DEDUP_REPORT_ENABLED` 等开关类权益由现有 `QuotaRegistry` 直接控制,无需积分参与。
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### 2.3 与现有代码的映射
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- 后端 `PLAN_QUOTAS` 字典扩展,新增 `monthly_credits` 字段
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- 前端 `Plans.tsx` 对齐后端 4 档,与后端保持一致
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- 现有 `QuotaTier.limits` 中扩展 `monthly_credits` 维度,由 `QuotaRegistry` 统一管理
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---
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## 三、积分体系设计
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### 3.1 积分获取方式
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| 获取方式 | 说明 | 频率 |
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|----------|------|------|
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| **会员每月赠送** | 各等级每月自动到账(见上表) | 每月 1 日 00:00 自动发放 |
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| **单独充值** | 用户按需购买积分包 | 随时可买 |
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| **任务奖励** | 完成指定任务赠送(新手引导、邀请好友、反馈 Bug 等) | 一次性 |
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### 3.2 积分包定价
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| 积分包 | 积分数量 | 价格 | 单价 | 备注 |
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|--------|----------|------|------|------|
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| 体验包 | 50 积分 | ¥9.9 | ¥0.198/积分 | 首次购买限购 1 次 |
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| 基础包 | 200 积分 | ¥36 | ¥0.18/积分 | |
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| 标准包 | 500 积分 | ¥80 | ¥0.16/积分 | |
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| 专业包 | 1,500 积分 | ¥210 | ¥0.14/积分 | 热门 |
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| 企业包 | 5,000 积分 | ¥600 | ¥0.12/积分 | |
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> 积分永久有效,不随会员过期清零。会员过期后停止每月赠送,但已有积分不受影响。
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### 3.3 任务奖励规则
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| 任务 | 奖励积分 | 次数限制 |
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|------|----------|----------|
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| 新用户注册 | 50 | 1 次 |
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| 完善个人信息 | 20 | 1 次 |
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| 邀请新用户注册 | 30/人 | 每月限 10 人 |
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| 首次完成视频生成 | 20 | 1 次 |
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| 提交有效 Bug 反馈 | 50 | 不限(审核通过后发放) |
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---
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## 四、积分消耗场景
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### 4.1 消耗清单
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| 功能模块 | 消耗场景 | 每次消耗积分 | 说明 |
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|----------|----------|-------------|------|
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| **AI 配音** | 生成一条配音 | 1 | 已存在于 `module_registry.py` |
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| **AI 数字人** | 生成一段数字人视频片段 | 5 | 新场景 |
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| **视频生成** | 生成一段 AI 视频(≤10s) | 10 | 新场景 |
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| **视频生成(长时长)** | 每增加 10s | +5 | 累进计费 |
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| **抖音文案提取** | 提取一次 | 1 | 新场景 |
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| **AI 改写** | 改写一段文案 | 1 | 新场景 |
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| **AI 标题生成** | 批量生成一次(≤10 条) | 1 | 新场景 |
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| **AI 封面生成** | 生成一张封面 | 2 | 新场景 |
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| **AI 字幕翻译** | 翻译一条字幕(≤50 字) | 1 | 新场景 |
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### 4.2 消耗规则扩展机制
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复用现有 `ModuleRegistry` + `QuotaRule` 模式:
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```python
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# 新增模块注册示例
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module_registry.register(Module(
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name="ai_digital_human",
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version="1.0.0",
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description="AI 数字人生成模块",
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capabilities=[
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ModuleCapability(
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name="generate_digital_human",
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description="生成数字人视频片段",
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quota_rules=[QuotaRule("points", 5.0, "每段数字人视频消耗 5 积分")],
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),
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],
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))
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```
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新增 `QuotaDimension.POINTS = "points"` 作为通用积分维度,所有消耗型功能统一通过积分维度扣费。
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### 4.3 消费折扣(预留)
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未来可扩展按会员等级设置折扣:
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| 等级 | 积分消耗折扣 |
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|------|-------------|
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| 免费版 | 无折扣 |
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| 标准版 | 9.5 折 |
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| 专业版 | 9 折 |
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| 企业版 | 8 折 |
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> 折扣仅在会员有效期内生效,过期后恢复原价。实现时通过 `discount_rate` 配置字段支持。
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---
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## 五、数据库表设计
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### 5.1 新增表结构
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#### 5.1.1 积分账户表 `points_accounts`
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每个用户一个积分账户,记录余额和累计值。
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```sql
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CREATE TABLE IF NOT EXISTS points_accounts (
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id VARCHAR(36) PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL UNIQUE REFERENCES users(id) ON DELETE CASCADE,
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balance INTEGER NOT NULL DEFAULT 0, -- 当前可用积分
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total_earned INTEGER NOT NULL DEFAULT 0, -- 累计获得积分
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total_spent INTEGER NOT NULL DEFAULT 0, -- 累计消耗积分
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total_recharged INTEGER NOT NULL DEFAULT 0, -- 累计充值积分
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total_gifted INTEGER NOT NULL DEFAULT 0, -- 累计赠送积分(会员赠送 + 任务奖励)
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_points_accounts_user ON points_accounts(user_id);
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```
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**设计说明**:
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- `user_id` 设为 UNIQUE,每个用户只有一个积分账户
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- 余额通过 `total_earned - total_spent` 可交叉校验 `balance`,保证数据一致性
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- 不使用悲观锁,而是通过事务 + 乐观锁(`updated_at`)保证并发安全
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#### 5.1.2 积分流水表 `points_transactions`
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每笔积分变动都记录一条流水,支持对账和审计。
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```sql
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CREATE TABLE IF NOT EXISTS points_transactions (
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id VARCHAR(36) PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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account_id VARCHAR(36) NOT NULL REFERENCES points_accounts(id) ON DELETE CASCADE,
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type VARCHAR(20) NOT NULL, -- earn(获得) / spend(消耗) / refund(退还) / expire(过期)
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source VARCHAR(50) NOT NULL, -- recharge(充值) / membership_gift(会员赠送) / task_reward(任务奖励) / ai_voice / ai_digital_human / ai_video / ...
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amount INTEGER NOT NULL, -- 变动数量(正数)
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balance_after INTEGER NOT NULL, -- 变动后余额
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description VARCHAR(255) DEFAULT '', -- 描述
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ref_id VARCHAR(100) DEFAULT '', -- 关联业务 ID(订单号、任务 ID 等)
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created_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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CREATE INDEX idx_points_tx_user ON points_transactions(user_id);
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CREATE INDEX idx_points_tx_type ON points_transactions(type);
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CREATE INDEX idx_points_tx_source ON points_transactions(source);
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CREATE INDEX idx_points_tx_created ON points_transactions(created_at);
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```
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**设计说明**:
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- `source` 字段标识具体来源/场景,新增消耗场景时只需新增 source 值,不需要改表结构
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- `ref_id` 关联具体业务,方便追溯(如充值关联订单号,消费关联生成任务 ID)
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- 流水只追加不修改,保证审计完整性
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#### 5.1.3 积分订单表 `points_orders`
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记录用户充值积分的支付订单。
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```sql
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CREATE TABLE IF NOT EXISTS points_orders (
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id VARCHAR(36) PRIMARY KEY,
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user_id VARCHAR(36) NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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package_name VARCHAR(50) NOT NULL, -- 积分包名称
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points_amount INTEGER NOT NULL, -- 积分数量
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price_cents INTEGER NOT NULL, -- 支付金额(分),避免浮点精度问题
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currency VARCHAR(10) NOT NULL DEFAULT 'CNY',
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status VARCHAR(20) NOT NULL DEFAULT 'pending', -- pending / paid / failed / refunded
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payment_method VARCHAR(50), -- alipay / wechat_pay / ...
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payment_id VARCHAR(100), -- 第三方支付流水号
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paid_at TIMESTAMP,
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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expire_at TIMESTAMP -- 订单过期时间(未支付自动关闭)
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);
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CREATE INDEX idx_points_orders_user ON points_orders(user_id);
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CREATE INDEX idx_points_orders_status ON points_orders(status);
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```
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#### 5.1.4 积分消耗配置表 `points_consumption_config`
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集中管理各场景的积分消耗规则,支持动态调整。
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```sql
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CREATE TABLE IF NOT EXISTS points_consumption_config (
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id VARCHAR(36) PRIMARY KEY,
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scene_key VARCHAR(50) NOT NULL UNIQUE, -- 场景标识,如 ai_voice, ai_video
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scene_name VARCHAR(100) NOT NULL, -- 场景显示名称
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points_per_use INTEGER NOT NULL DEFAULT 1, -- 每次消耗积分数
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is_active BOOLEAN NOT NULL DEFAULT TRUE, -- 是否启用
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description VARCHAR(255) DEFAULT '',
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created_at TIMESTAMP NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP NOT NULL DEFAULT NOW()
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);
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```
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### 5.2 现有表变更
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#### 5.2.1 users 表新增字段
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```sql
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-- 会员等级字段保留现有 subscription_plan,无需改动
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-- 无需在 users 表加 credits 字段,积分独立在 points_accounts 表管理
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```
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### 5.3 表关系
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```
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users (1) ──── (1) points_accounts
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│
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└── (1:N) points_transactions
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│
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└── ref_id ──> generation_tasks / points_orders / ...
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users (1) ──── (1:N) points_orders
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```
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### 5.4 与现有模型的映射
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| 现有模型 | 改动 |
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|----------|------|
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| `UserModel` | 不新增积分字段,积分由独立表管理 |
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| `BillingRecordModel` | 保留,用于订阅支付记录;积分充值走新的 `points_orders` |
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| `QuotaDimension` | 新增 `POINTS = "points"` 维度 |
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| `QuotaTier` | 各等级新增 `monthly_credits` 配额 |
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| `QuotaRule` | `dimension` 支持 `"points"` 值 |
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---
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## 六、API 设计
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### 6.1 积分账户 API
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#### `GET /api/v1/points/balance`
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获取当前积分余额。
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```json
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// Response
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{
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"balance": 580,
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"total_earned": 1200,
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"total_spent": 620,
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"membership_monthly_gift": 200,
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"membership_expires_at": "2027-01-15T00:00:00Z"
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}
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```
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#### `GET /api/v1/points/transactions`
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查询积分流水,支持分页和筛选。
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```
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?page=1&page_size=20&type=spend&source=ai_voice&start_date=2026-09-01&end_date=2026-09-30
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```
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```json
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// Response
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{
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"total": 156,
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"page": 1,
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"page_size": 20,
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"items": [
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{
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"id": "tx_xxx",
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"type": "spend",
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"source": "ai_voice",
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"amount": 1,
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"balance_after": 579,
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"description": "AI 配音 - 温柔女声",
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"ref_id": "task_xxx",
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"created_at": "2026-09-14T10:30:00Z"
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}
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]
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}
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```
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### 6.2 积分充值 API
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|
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#### `POST /api/v1/points/recharge`
|
||
|
||
创建积分充值订单。
|
||
|
||
```json
|
||
// Request
|
||
{
|
||
"package_id": "standard_pack" // 或自定义 amount
|
||
}
|
||
|
||
// Response
|
||
{
|
||
"order_id": "po_xxx",
|
||
"package_name": "标准包",
|
||
"points_amount": 500,
|
||
"price_cents": 8000,
|
||
"payment_url": "https://pay.alipay.com/...",
|
||
"expire_at": "2026-09-14T16:30:00Z"
|
||
}
|
||
```
|
||
|
||
#### `POST /api/v1/points/payment-callback`
|
||
|
||
支付回调(内部接口 + 第三方支付通知)。
|
||
|
||
```json
|
||
// Request (来自支付平台)
|
||
{
|
||
"order_id": "po_xxx",
|
||
"payment_method": "alipay",
|
||
"payment_id": "2026xxx",
|
||
"status": "paid"
|
||
}
|
||
```
|
||
|
||
回调处理流程:
|
||
1. 验证支付签名
|
||
2. 更新 `points_orders.status = "paid"`
|
||
3. 增加 `points_accounts.balance += points_amount`
|
||
4. 写入 `points_transactions` 流水(type=earn, source=recharge)
|
||
|
||
### 6.3 积分消费 API
|
||
|
||
#### 内部扣费接口(供各功能模块调用)
|
||
|
||
```python
|
||
# packages/domain/points_service.py
|
||
class PointsService:
|
||
def deduct(self, user_id: str, scene_key: str, amount: int, ref_id: str = "") -> DeductResult:
|
||
"""
|
||
扣减积分
|
||
1. 检查积分余额是否充足
|
||
2. 在事务中扣减余额、写入流水
|
||
3. 返回扣减结果
|
||
"""
|
||
pass
|
||
|
||
def check_balance(self, user_id: str, scene_key: str) -> CheckResult:
|
||
"""
|
||
检查余额是否充足某场景消耗
|
||
"""
|
||
pass
|
||
```
|
||
|
||
#### `GET /api/v1/points/consumption-rules`
|
||
|
||
查询当前所有积分消耗规则(前端展示用)。
|
||
|
||
```json
|
||
// Response
|
||
{
|
||
"rules": [
|
||
{ "scene_key": "ai_voice", "scene_name": "AI 配音", "points_per_use": 1 },
|
||
{ "scene_key": "ai_digital_human", "scene_name": "AI 数字人", "points_per_use": 5 },
|
||
{ "scene_key": "ai_video", "scene_name": "视频生成", "points_per_use": 10 },
|
||
...
|
||
]
|
||
}
|
||
```
|
||
|
||
### 6.4 会员订阅 API(改造)
|
||
|
||
保留现有 `subscription.py` 路由结构,新增以下逻辑:
|
||
|
||
- `POST /subscription/change-plan`:变更套餐时,自动创建/更新积分账户,发放当月赠送积分
|
||
- `GET /subscription/current`:返回中增加 `monthly_credits` 和 `points_balance` 字段
|
||
- 新增 `POST /subscription/claim-monthly-credits`:手动领取每月赠送积分(兜底入口)
|
||
|
||
### 6.5 API 路由汇总
|
||
|
||
| 方法 | 路径 | 说明 | 类型 |
|
||
|------|------|------|------|
|
||
| GET | `/api/v1/points/balance` | 查询积分余额 | 用户 |
|
||
| GET | `/api/v1/points/transactions` | 积分流水查询 | 用户 |
|
||
| POST | `/api/v1/points/recharge` | 创建充值订单 | 用户 |
|
||
| POST | `/api/v1/points/payment-callback` | 支付回调 | 内部 |
|
||
| GET | `/api/v1/points/consumption-rules` | 消耗规则查询 | 用户 |
|
||
| POST | `/api/v1/points/check` | 消费前余额检查 | 内部 |
|
||
| POST | `/api/v1/points/deduct` | 消费扣减 | 内部 |
|
||
| POST | `/api/v1/points/refund` | 消费退还 | 内部 |
|
||
|
||
---
|
||
|
||
## 七、前端页面设计
|
||
|
||
### 7.1 会员购买页(改造 Plans.tsx)
|
||
|
||
**路由**: `/app/subscription`(保持不变)
|
||
|
||
**改动要点**:
|
||
1. 将 3 档对齐为 4 档,与后端一致
|
||
2. 每档卡片增加"每月赠送 XXX 积分"标识
|
||
3. 按钮文案按当前状态动态显示("当前方案"/"升级"/"降级"/"联系我们")
|
||
4. 底部增加积分包购买入口
|
||
|
||
```
|
||
┌─────────────────────────────────────────────────────────────┐
|
||
│ 选择适合您的方案 │
|
||
├──────────┬──────────┬──────────┬──────────┐ │
|
||
│ 免费版 │ 标准版 │ 专业版 ★ │ 企业版 │ │
|
||
│ ¥0/月 │ ¥99/月 │ ¥299/月 │ ¥999/月 │ │
|
||
│ │ │ │ │ │
|
||
│ 3 项目 │ 10 项目 │ 无限项目 │ 无限项目 │ │
|
||
│ 10GB │ 50GB │ 100GB │ 1TB │ │
|
||
│ 0 积分 │ 200积分 │ 800积分 │ 3000积分 │ ← 新增 │
|
||
│ │ │ │ │ │
|
||
│ [当前] │ [升级] │ [升级] │ [联系] │ │
|
||
├──────────┴──────────┴──────────┴──────────┘ │
|
||
│ │
|
||
│ 💰 积分充值 [查看全部积分包] │
|
||
│ ┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐ ┌──────┐ │
|
||
│ │50积分 │ │200积分│ │500积分│ │1500积分│ │5000积分│ │
|
||
│ │ ¥9.9 │ │ ¥36 │ │ ¥80 │ │ ¥210 │ │ ¥600 │ │
|
||
│ └──────┘ └──────┘ └──────┘ └──────┘ └──────┘ │
|
||
└─────────────────────────────────────────────────────────────┘
|
||
```
|
||
|
||
### 7.2 积分余额展示位置
|
||
|
||
#### 顶部导航栏(Header 组件)
|
||
|
||
在用户头像旁边增加积分余额徽章:
|
||
|
||
```
|
||
┌─────────────────────────────────────────────────┐
|
||
│ Logo 工作台 模板 素材 🔔 💎 580 👤 │
|
||
└─────────────────────────────────────────────────┘
|
||
```
|
||
|
||
- 点击积分徽章展开快捷面板,显示余额、本月已用、充值入口
|
||
- 积分不足时徽章变为警告色(橙色)
|
||
|
||
#### 功能入口处的消耗提示
|
||
|
||
在每个 AI 功能的操作按钮旁,显示本次操作将消耗的积分:
|
||
|
||
```
|
||
[生成配音] 💎 -1 积分
|
||
[生成视频] 💎 -10 积分
|
||
```
|
||
|
||
### 7.3 积分中心页面
|
||
|
||
**路由**: `/app/points`(新增)
|
||
|
||
**页面结构**:
|
||
|
||
```
|
||
┌─────────────────────────────────────────────────┐
|
||
│ 积分中心 │
|
||
├─────────────────────────────────────────────────┤
|
||
│ │
|
||
│ 当前余额 本月获得 本月消耗 │
|
||
│ 💎 580 +200 -120 │
|
||
│ │
|
||
├─────────────────────────────────────────────────┤
|
||
│ │
|
||
│ [积分明细] [充值记录] [消耗规则] │
|
||
│ ───────── │
|
||
│ │
|
||
│ 时间 类型 场景 数量 余额 │
|
||
│ 09-14 10:30 消耗 AI配音 -1 579 │
|
||
│ 09-14 09:15 消耗 AI视频 -10 580 │
|
||
│ 09-01 00:00 获得 会员赠送 +200 590 │
|
||
│ 08-28 14:20 获得 充值+500 +500 390 │
|
||
│ ... │
|
||
│ │
|
||
└─────────────────────────────────────────────────┘
|
||
```
|
||
|
||
### 7.4 前端组件清单
|
||
|
||
| 组件 | 路径 | 说明 |
|
||
|------|------|------|
|
||
| `PointsBadge` | `components/common/PointsBadge/` | 顶部积分余额徽章 |
|
||
| `PointsPanel` | `components/common/PointsPanel/` | 点击徽章展开的快捷面板 |
|
||
| `PointsCost` | `components/common/PointsCost/` | 功能入口的消耗提示标签 |
|
||
| `PointsCenter` | `pages/points/Center.tsx` | 积分中心主页面 |
|
||
| `PointsTransactions` | `pages/points/Transactions.tsx` | 积分明细子页 |
|
||
| `PointsPackages` | `pages/points/Packages.tsx` | 充值积分包子页 |
|
||
| `Plans` (改造) | `pages/subscription/Plans.tsx` | 对齐 4 档 + 积分展示 |
|
||
|
||
---
|
||
|
||
## 八、与现有订阅制的迁移方案
|
||
|
||
### 8.1 迁移原则
|
||
|
||
1. **向前兼容**:迁移期间老用户权益不降低
|
||
2. **平滑过渡**:不需要用户手动操作,自动完成
|
||
3. **灰度发布**:按用户批次逐步迁移,降低风险
|
||
|
||
### 8.2 迁移步骤
|
||
|
||
#### Step 1:数据准备(后端 + DBA)
|
||
|
||
```sql
|
||
-- 1. 创建新表(points_accounts, points_transactions, points_orders, points_consumption_config)
|
||
-- 2. 为所有现有用户创建积分账户
|
||
INSERT INTO points_accounts (id, user_id, balance, total_earned, total_gifted)
|
||
SELECT
|
||
uuid(), id,
|
||
CASE subscription_plan
|
||
WHEN 'standard' THEN 200
|
||
WHEN 'pro' THEN 800
|
||
WHEN 'enterprise' THEN 3000
|
||
ELSE 0
|
||
END,
|
||
CASE subscription_plan
|
||
WHEN 'standard' THEN 200
|
||
WHEN 'pro' THEN 800
|
||
WHEN 'enterprise' THEN 3000
|
||
ELSE 0
|
||
END,
|
||
CASE subscription_plan
|
||
WHEN 'standard' THEN 200
|
||
WHEN 'pro' THEN 800
|
||
WHEN 'enterprise' THEN 3000
|
||
ELSE 0
|
||
END
|
||
FROM users WHERE subscription_status = 'active';
|
||
```
|
||
|
||
#### Step 2:代码兼容层
|
||
|
||
```python
|
||
# packages/domain/quota.py 扩展
|
||
class QuotaDimension(str, Enum):
|
||
# ... 现有维度保持不变
|
||
POINTS = "points" # 新增:通用积分维度
|
||
|
||
# QUOTA_TIERS 扩展
|
||
"standard": QuotaTier(
|
||
name="standard",
|
||
limits={
|
||
# ... 现有配额保持不变
|
||
QuotaDimension.MONTHLY_CREDITS: 200, # 新增
|
||
},
|
||
),
|
||
```
|
||
|
||
#### Step 3:双轨运行期(1 个月)
|
||
|
||
- 订阅制功能不变,老用户正常续费
|
||
- 积分系统上线后,所有 AI 消耗型功能改为积分扣费
|
||
- 会员权益中的"基础配额"(存储、项目数等)继续由订阅制控制
|
||
- 在用户首次登录后,弹出迁移通知弹窗,说明变更内容
|
||
|
||
#### Step 4:完全切换
|
||
|
||
- 停止订阅制的 AI 配额逻辑(`AI_VOICE_CREDITS` 等旧维度废弃)
|
||
- 所有 AI 功能统一使用积分扣费
|
||
- 订阅制仅控制基础权益(存储、项目数、并发数、导出分辨率等)
|
||
|
||
### 8.3 老用户过渡策略
|
||
|
||
| 用户类型 | 过渡方案 |
|
||
|----------|----------|
|
||
| 当前 free 用户 | 不变,积分余额为 0,可充值 |
|
||
| 当前 standard 用户 | 赠送 200 积分作为过渡礼包,当前周期内权益不变 |
|
||
| 当前 pro 用户 | 赠送 800 积分 + 延长 1 个月有效期 |
|
||
| 当前 enterprise 用户 | 赠送 3000 积分 + 延长 1 个月有效期 + 专属客户经理通知 |
|
||
| 年付用户 | 按剩余月数比例折算赠送积分 |
|
||
|
||
### 8.4 前端迁移
|
||
|
||
- `Plans.tsx` 从 3 档改为 4 档,增加积分信息展示
|
||
- 新增 `/app/points` 积分中心页面
|
||
- 顶部 Header 增加积分余额徽章
|
||
- 各 AI 功能页增加积分消耗提示
|
||
|
||
---
|
||
|
||
## 九、配额检查中间件设计
|
||
|
||
### 9.1 整体架构
|
||
|
||
```
|
||
用户请求 → API Route → 积分检查中间件 → 业务逻辑 → 返回结果
|
||
│
|
||
├─ 检查会员权益(QuotaChecker)
|
||
├─ 检查积分余额(PointsChecker)
|
||
└─ 扣减积分(PointsService.deduct)
|
||
```
|
||
|
||
### 9.2 中间件设计
|
||
|
||
#### `apps/api/app/middleware/points_check.py`
|
||
|
||
```python
|
||
"""积分扣费中间件 - 用于 AI 功能入口的统一检查与扣费"""
|
||
|
||
from functools import wraps
|
||
from fastapi import HTTPException
|
||
|
||
def require_points(scene_key: str, amount: int = None):
|
||
"""
|
||
装饰器:在 AI 功能入口检查积分余额并扣费
|
||
|
||
Args:
|
||
scene_key: 消耗场景标识,如 "ai_voice", "ai_video"
|
||
amount: 指定消耗数量,为 None 时从 points_consumption_config 读取
|
||
|
||
使用方式:
|
||
@router.post("/generate-voice")
|
||
@require_points(scene_key="ai_voice")
|
||
async def generate_voice(request: VoiceRequest, current_user = Depends(get_current_user)):
|
||
# 到这里积分已扣减成功
|
||
...
|
||
"""
|
||
def decorator(func):
|
||
@wraps(func)
|
||
async def wrapper(*args, **kwargs):
|
||
# 1. 从 kwargs 或 args 中提取 current_user
|
||
current_user = kwargs.get("current_user") or next(
|
||
(a for a in args if isinstance(a, AuthenticatedUser)), None
|
||
)
|
||
if not current_user:
|
||
raise HTTPException(status_code=401, detail="未登录")
|
||
|
||
# 2. 获取消耗数量
|
||
consume_amount = amount or get_consumption_config(scene_key)
|
||
|
||
# 3. 检查会员权益(原有 QuotaChecker 逻辑)
|
||
user = current_user.user
|
||
tier = quota_registry.get_tier(user.subscription_plan or "free")
|
||
# ... 检查存储、并发等基础权益
|
||
|
||
# 4. 检查并扣减积分
|
||
points_service = get_points_service()
|
||
result = points_service.check_and_deduct(
|
||
user_id=user.id,
|
||
scene_key=scene_key,
|
||
amount=consume_amount,
|
||
)
|
||
|
||
if not result.success:
|
||
raise HTTPException(
|
||
status_code=402, # Payment Required
|
||
detail={
|
||
"code": "INSUFFICIENT_POINTS",
|
||
"message": f"积分不足,需要 {consume_amount} 积分,当前余额 {result.balance}",
|
||
"recharge_url": "/app/points/recharge"
|
||
}
|
||
)
|
||
|
||
# 5. 将扣减信息注入请求上下文,供业务层使用
|
||
kwargs["points_deduct_id"] = result.transaction_id
|
||
|
||
try:
|
||
# 6. 执行业务逻辑
|
||
return await func(*args, **kwargs)
|
||
except Exception as e:
|
||
# 7. 业务失败时退还积分
|
||
points_service.refund(
|
||
user_id=user.id,
|
||
transaction_id=result.transaction_id,
|
||
reason=f"业务执行失败: {scene_key}"
|
||
)
|
||
raise
|
||
|
||
return wrapper
|
||
return decorator
|
||
```
|
||
|
||
### 9.3 积分服务层
|
||
|
||
```python
|
||
# packages/domain/points_service.py
|
||
|
||
class PointsService:
|
||
"""积分服务 - 核心扣费逻辑"""
|
||
|
||
def __init__(self, account_repo, transaction_repo, config_repo):
|
||
self.account_repo = account_repo
|
||
self.transaction_repo = transaction_repo
|
||
self.config_repo = config_repo
|
||
|
||
def check_and_deduct(self, user_id: str, scene_key: str, amount: int, ref_id: str = "") -> DeductResult:
|
||
"""
|
||
检查余额并扣减积分(事务操作)
|
||
|
||
流程:
|
||
1. 查询积分账户
|
||
2. 检查余额是否 >= amount
|
||
3. 在事务中:扣减余额 + 写入流水
|
||
4. 返回扣减结果
|
||
"""
|
||
pass
|
||
|
||
def refund(self, user_id: str, transaction_id: str, reason: str = "") -> bool:
|
||
"""退还积分(业务失败时调用)"""
|
||
pass
|
||
|
||
def gift(self, user_id: str, amount: int, source: str, ref_id: str = ""):
|
||
"""赠送积分(会员赠送 / 任务奖励)"""
|
||
pass
|
||
|
||
def get_balance(self, user_id: str) -> int:
|
||
"""查询余额"""
|
||
pass
|
||
|
||
def get_transactions(self, user_id: str, page: int = 1, page_size: int = 20,
|
||
type: str = None, source: str = None) -> list:
|
||
"""查询流水"""
|
||
pass
|
||
```
|
||
|
||
### 9.4 与现有 QuotaChecker 的集成
|
||
|
||
```python
|
||
# 改造后的检查流程
|
||
async def check_all_quotas(user, scene_key: str, consume_amount: int):
|
||
"""统一配额检查入口"""
|
||
|
||
# 1. 基础配额检查(存储空间、项目数、并发数等)
|
||
# 复用现有 QuotaChecker
|
||
plan = user.subscription_plan or "free"
|
||
quota_results = quota_checker.check_multiple(plan, {
|
||
QuotaDimension.STORAGE_GB.value: get_used_storage(user.id),
|
||
QuotaDimension.VIDEOS_PER_MONTH.value: get_monthly_video_count(user.id),
|
||
QuotaDimension.MAX_CONCURRENT.value: get_concurrent_count(user.id),
|
||
})
|
||
for result in quota_results:
|
||
if not result.allowed:
|
||
raise QuotaExceededError(result)
|
||
|
||
# 2. 积分检查
|
||
# 新增 PointsChecker
|
||
balance = points_service.get_balance(user.id)
|
||
if balance < consume_amount:
|
||
raise InsufficientPointsError(
|
||
required=consume_amount,
|
||
balance=balance
|
||
)
|
||
|
||
return True
|
||
```
|
||
|
||
### 9.5 各功能模块接入方式
|
||
|
||
```python
|
||
# apps/api/app/api/routes/ai_voice.py(示例)
|
||
@router.post("/generate")
|
||
@require_points(scene_key="ai_voice")
|
||
async def generate_voice(
|
||
request: VoiceGenerateRequest,
|
||
current_user: AuthenticatedUser = Depends(get_current_user),
|
||
points_deduct_id: str = None, # 由中间件注入
|
||
):
|
||
# 积分已扣减,直接执行业务逻辑
|
||
result = await voice_service.generate(request, current_user.user.id)
|
||
return VoiceGenerateResponse(
|
||
voice_id=result.id,
|
||
points_consumed=1,
|
||
)
|
||
|
||
# apps/api/app/api/routes/ai_video.py(示例)
|
||
@router.post("/generate")
|
||
@require_points(scene_key="ai_video")
|
||
async def generate_video(
|
||
request: VideoGenerateRequest,
|
||
current_user: AuthenticatedUser = Depends(get_current_user),
|
||
points_deduct_id: str = None,
|
||
):
|
||
# 视频按秒计费,需要在中间件外动态计算
|
||
...
|
||
```
|
||
|
||
> **注意**:对于视频生成等按量计费场景(时长不确定),中间件支持动态计算消耗量:
|
||
> ```python
|
||
> @require_points(scene_key="ai_video", dynamic=True)
|
||
> # dynamic=True 时,中间件只检查余额 > 0,实际扣费由业务层调用 points_service.deduct()
|
||
> ```
|
||
|
||
---
|
||
|
||
## 十、实施计划
|
||
|
||
### 10.1 开发阶段拆分
|
||
|
||
| 阶段 | 内容 | 预估工时 |
|
||
|------|------|----------|
|
||
| **P1 - 基础框架** | 数据库迁移脚本、积分账户/流水/订单 Model、Repository | 3 天 |
|
||
| **P2 - 核心服务** | PointsService 核心逻辑(扣费/退还/赠送/查询) | 3 天 |
|
||
| **P3 - API 层** | 积分 API 路由、中间件、与现有订阅 API 集成 | 3 天 |
|
||
| **P4 - 前端页面** | Plans.tsx 改造、积分中心页面、Header 积分徽章、消耗提示 | 5 天 |
|
||
| **P5 - 功能接入** | 各 AI 功能模块接入 `@require_points` 中间件 | 3 天 |
|
||
| **P6 - 迁移与测试** | 数据迁移脚本、灰度方案、集成测试、端到端测试 | 3 天 |
|
||
|
||
### 10.2 文件改动清单(预览)
|
||
|
||
| 类型 | 文件路径 | 改动说明 |
|
||
|------|----------|----------|
|
||
| 新增 | `migrations/007_membership_points.sql` | 新建积分相关 4 张表 |
|
||
| 新增 | `packages/domain/points_service.py` | 积分核心服务 |
|
||
| 新增 | `packages/domain/points_models.py` 或追加到 `models.py` | 积分相关 ORM Model |
|
||
| 新增 | `packages/adapters/sqlalchemy_impl/points_repository.py` | 积分 Repository |
|
||
| 新增 | `apps/api/app/middleware/points_check.py` | 积分扣费中间件 |
|
||
| 新增 | `apps/api/app/api/routes/points.py` | 积分 API 路由 |
|
||
| 新增 | `apps/api/app/schemas/points.py` | 积分 Schema |
|
||
| 新增 | `apps/web/src/pages/points/Center.tsx` | 积分中心页面 |
|
||
| 新增 | `apps/web/src/pages/points/Transactions.tsx` | 积分明细页面 |
|
||
| 新增 | `apps/web/src/pages/points/Packages.tsx` | 积分包充值页面 |
|
||
| 新增 | `apps/web/src/components/common/PointsBadge/` | 积分徽章组件 |
|
||
| 新增 | `apps/web/src/components/common/PointsCost/` | 消耗提示组件 |
|
||
| 修改 | `packages/domain/quota.py` | 新增 POINTS 维度和 monthly_credits 配额 |
|
||
| 修改 | `packages/adapters/sqlalchemy_impl/models.py` | 新增积分相关 Model |
|
||
| 修改 | `apps/api/app/api/routes/subscription.py` | 集成积分逻辑 |
|
||
| 修改 | `apps/api/app/schemas/subscription.py` | 返回中增加积分信息 |
|
||
| 修改 | `apps/web/src/pages/subscription/Plans.tsx` | 对齐 4 档 + 积分展示 |
|
||
| 修改 | 各 AI 功能路由文件 | 添加 `@require_points` 装饰器 |
|
||
|
||
### 10.3 测试计划
|
||
|
||
| 测试类型 | 覆盖范围 |
|
||
|----------|----------|
|
||
| 单元测试 | PointsService 扣费/退还/赠送逻辑、PointsChecker 余额检查 |
|
||
| 集成测试 | API 端到端:充值→到账→消费→扣减→流水查询 |
|
||
| 并发测试 | 同一用户多请求并发扣费的余额一致性 |
|
||
| 前端测试 | Plans 页面渲染、积分中心交互、Header 徽章实时更新 |
|
||
| 迁移测试 | 老用户数据迁移正确性验证 |
|
||
|
||
---
|
||
|
||
## 十一、风险与注意事项
|
||
|
||
| 风险 | 应对方案 |
|
||
|------|----------|
|
||
| 并发扣费导致余额不一致 | 数据库事务 + 行锁,`points_accounts` 使用 `SELECT ... FOR UPDATE` |
|
||
| 支付回调延迟导致积分未到账 | 订单创建后 30 分钟未支付自动关闭;回调支持幂等重试 |
|
||
| 积分消耗规则变更影响用户 | 变更前 7 天公告通知;已购买的服务按旧价格执行 |
|
||
| 前后端积分展示不一致 | 统一从 `GET /api/v1/points/balance` 获取,前端不本地缓存余额 |
|
||
| 老用户迁移产生不满 | 过渡期权益不降低 + 额外赠送积分礼包 |
|
||
|
||
---
|
||
|
||
## 十二、开放问题(待确认)
|
||
|
||
1. **积分有效期**:当前设计为永久有效。是否需要设置有效期(如 1 年)?
|
||
2. **退款策略**:积分充值后是否支持退款?已消费的积分如何计算?
|
||
3. **企业版定制**:企业版是否需要支持自定义积分消耗规则?
|
||
4. **支付渠道**:第一期接入支付宝 + 微信支付,是否需要支持其他渠道?
|
||
5. **发票需求**:积分充值是否需要单独开发票?与订阅发票合并还是分开?
|
||
|
||
---
|
||
|
||
*本文档为方案设计阶段产物,待确认后将按「实施计划」分阶段开发。*
|