HaHafeng
fa72beea6c
Major Changes: - Implement Platform-Only architecture pattern (unified task management) - Add PostgresCacheAdapter for unified caching (platform_schema.app_cache) - Add PgBossQueue for job queue management (platform_schema.job) - Implement CheckpointService using job.data (generic for all modules) - Add intelligent threshold-based dual-mode processing (THRESHOLD=50) - Add task splitting mechanism (auto chunk size recommendation) - Refactor ASL screening service with smart mode selection - Refactor DC extraction service with smart mode selection - Register workers for ASL and DC modules Technical Highlights: - All task management data stored in platform_schema.job.data (JSONB) - Business tables remain clean (no task management fields) - CheckpointService is generic (shared by all modules) - Zero code duplication (DRY principle) - Follows 3-layer architecture principle - Zero additional cost (no Redis needed, save 8400 CNY/year) Code Statistics: - New code: ~1750 lines - Modified code: ~500 lines - Test code: ~1800 lines - Documentation: ~3000 lines Testing: - Unit tests: 8/8 passed - Integration tests: 2/2 passed - Architecture validation: passed - Linter errors: 0 Files: - Platform layer: PostgresCacheAdapter, PgBossQueue, CheckpointService, utils - ASL module: screeningService, screeningWorker - DC module: ExtractionController, extractionWorker - Tests: 11 test files - Docs: Updated 4 key documents Status: Phase 1-7 completed, Phase 8-9 pending
AI临床研究平台 - 后端服务
🏠 导航
快速开始
1. 环境要求
- Node.js >= 18
- PostgreSQL 15+
- Redis 7+
2. 安装依赖
npm install
3. 配置环境变量
复制.env.example到.env并配置：
cp .env.example .env
4. 初始化数据库
# 生成Prisma Client
npm run prisma:generate
# 执行数据库迁移
npm run prisma:migrate
# （可选）打开Prisma Studio查看数据
npm run prisma:studio
5. 启动开发服务器
npm run dev
服务器将在 http://localhost:3001 启动
6. 验证服务
访问以下端点验证服务是否正常：
- 健康检查: http://localhost:3001/health
- API入口: http://localhost:3001/api/v1
项目结构
backend/
├── prisma/
│ └── schema.prisma # 数据库模型定义
├── src/
│ ├── config/
│ │ ├── env.ts # 环境变量配置
│ │ └── database.ts # 数据库连接
│ ├── controllers/ # 控制器层
│ ├── services/ # 业务逻辑层
│ ├── routes/ # 路由定义
│ ├── types/ # TypeScript类型定义
│ ├── utils/ # 工具函数
│ └── index.ts # 应用入口
├── .env # 环境变量（不提交到Git）
├── .env.example # 环境变量模板
├── package.json # 项目配置
└── tsconfig.json # TypeScript配置
NPM Scripts
npm run dev- 启动开发服务器（hot reload）npm run build- 构建生产版本npm run start- 启动生产服务器npm run prisma:generate- 生成Prisma Clientnpm run prisma:migrate- 执行数据库迁移npm run prisma:studio- 打开Prisma Studio
数据库设计
详见：../docs/01-设计文档/数据库设计文档.md
API文档
详见：../docs/01-设计文档/API设计规范.md
技术栈
- 框架: Fastify
- ORM: Prisma
- 数据库: PostgreSQL
- 缓存: Redis
- 语言: TypeScript
- 日志: Pino
Day 5 完成情况
✅ 初始化后端项目（Node.js + TypeScript） ✅ 配置Fastify框架 ✅ 配置Prisma ORM ✅ 创建数据库表（执行迁移） ✅ 数据库连接测试通过
所有核心功能已完成！🎉