Simon
92627f5b6b
- 后端业务 API：GET /api/stocks(搜索/分页)、GET /api/factors（因子目录）、POST /api/factor-tests 与 /api/backtests（Research Spec 驱动同步执行）、GET /api/backtests/last；Annotated 依赖注入 + CORS(dev) - Repository 批量查询 get_range_many（研究装配一次查询，避免逐只拉取） - 前端 frontend/web：Next.js 15(TS) + ECharts —— 总览 / 股票池 / 因子研究(IC·RankIC·分层展示) / 回测（净值·回撤·月度·持仓·未建模标注） - 前端只消费业务 API 与标准化 BacktestResult，无 Qlib/SQL 概念泄漏 - 真实数据：同步 20 只权重股 2023-2024 日线（9680 根）支撑截面研究 - 验证：API 集成测试 8 项（DTO 校验/装配/引擎/标准结果，内存 repo 全链路）+ 全量 pytest 68 passed；前端 tsc + next build 通过；无头浏览器端到端（factors/backtest 页面渲染后端数据） - ruff clean
52 lines
1.7 KiB
Python
52 lines
1.7 KiB
Python
"""API 依赖注入：Repository / 研究服务的装配点（composition root 的一部分）。
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路由层统一使用 Annotated 注入（FastAPI 推荐写法，配合 ruff B008 无冲突）。
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"""
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from __future__ import annotations
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from typing import Annotated
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from fastapi import Depends
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from sqlalchemy.orm import Session
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from app.domain.repositories.market import (
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DailyBarRepository,
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StockRepository,
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)
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from app.infrastructure.persistence.sqlalchemy.repositories.market_impl import (
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SqlAlchemyDailyBarRepository,
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SqlAlchemyStockRepository,
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)
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from app.infrastructure.persistence.sqlalchemy.session import get_session
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from app.quant.engine import LocalEngine, QuantEngine
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from app.quant.service import ResearchService
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DbSession = Annotated[Session, Depends(get_session)]
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def _stock_repo_factory(session: DbSession) -> StockRepository:
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return SqlAlchemyStockRepository(session)
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def _daily_repo_factory(session: DbSession) -> DailyBarRepository:
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return SqlAlchemyDailyBarRepository(session)
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def _engine_factory() -> QuantEngine:
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return LocalEngine()
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def _service_factory(
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stock_repo: Annotated[StockRepository, Depends(_stock_repo_factory)],
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daily_repo: Annotated[DailyBarRepository, Depends(_daily_repo_factory)],
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engine: Annotated[QuantEngine, Depends(_engine_factory)],
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) -> ResearchService:
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return ResearchService(stock_repo, daily_repo, engine)
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StockRepoDep = Annotated[StockRepository, Depends(_stock_repo_factory)]
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DailyRepoDep = Annotated[DailyBarRepository, Depends(_daily_repo_factory)]
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EngineDep = Annotated[QuantEngine, Depends(_engine_factory)]
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ResearchServiceDep = Annotated[ResearchService, Depends(_service_factory)]
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