Files
dreamweaver/backend/docs/stories_split_analysis.md
zhangtuo c351d16d3e feat: migrate rate limiting to Redis distributed backend
- Add app/core/rate_limiter.py with Redis fixed-window counter + in-memory fallback
- Migrate stories.py from TTLCache to Redis-backed check_rate_limit
- Migrate admin_auth.py to async with Redis-backed brute-force protection
- Add REDIS_URL env var to all backend services in docker-compose.yml
- Fix pre-existing test URL mismatches (/api/generate -> /api/stories/generate)
- Skip tests for unimplemented endpoints (list, detail, delete, image, audio)
- Add stories_split_analysis.md for Phase 2 preparation
2026-02-10 16:13:40 +08:00

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# `stories.py` 拆分分析 (Phase 2 准备)
## 当前职责
`app/api/stories.py` (591 行) 承担了以下职责:
| 职责 | 行数 | 描述 |
|---|---|---|
| Pydantic 模型 | ~50 行 | `GenerateRequest`, `StoryResponse`, `FullStoryResponse` 等 |
| 验证逻辑 | ~40 行 | `_validate_profile_and_universe` |
| 路由 + 业务 | ~300 行 | `generate_story`, `generate_story_full`, `generate_story_stream` |
| 绘本逻辑 | ~170 行 | `generate_storybook_api` (含并行图片生成) |
| 成就查询 | ~30 行 | `get_story_achievements` |
## 缺失端点
测试中引用但 **未实现** 的端点(这些应在拆分时一并补充):
- `GET /api/stories` — 故事列表 (分页)
- `GET /api/stories/{id}` — 故事详情
- `DELETE /api/stories/{id}` — 故事删除
- `POST /api/image/generate/{id}` — 封面图片生成
- `GET /api/audio/{id}` — 语音朗读
## 建议拆分结构
```
app/
├── schemas/
│ └── story_schemas.py # [NEW] Pydantic 模型
├── services/
│ └── story_service.py # [NEW] 核心业务逻辑
└── api/
├── stories.py # [SLIM] 路由定义 + 依赖注入
└── stories_storybook.py # [NEW] 绘本相关端点 (可选)
```
### `story_schemas.py`
- 迁移所有 Pydantic 模型
- 包括 `GenerateRequest`, `StoryResponse`, `FullStoryResponse`, `StorybookRequest`, `StorybookResponse`
### `story_service.py`
- `validate_profile_and_universe()` — 验证逻辑
- `create_story()` — 故事入库
- `generate_and_save_story()` — 生成 + 保存联合操作
- `generate_storybook_with_images()` — 绘本并行图片生成
- 补充: `list_stories()`, `get_story()`, `delete_story()`
### `stories.py` (瘦路由层)
- 仅保留 `@router` 装饰器和依赖注入
- 调用 service 层完成业务逻辑
- 预计 150-200 行