Files
ctms/backend/app/main.py
T
2026-01-13 16:49:55 +08:00

113 lines
3.8 KiB
Python

from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from sqlalchemy import text
from app.api.v1.router import api_router
from app.core.config import settings
from app.core.exceptions import register_exception_handlers
from app.crud.user import ensure_admin_exists
from app.db.base import Base
from app.db.session import SessionLocal, engine
from app.services.fee_seed import seed_demo_fees
@asynccontextmanager
async def lifespan(_: FastAPI):
# Ensure models are imported so metadata is populated
from app.models import user as user_model # noqa: F401
if settings.ENV == "development":
async with engine.begin() as conn:
await _ensure_legacy_primary_keys(conn)
await conn.run_sync(Base.metadata.create_all)
async with SessionLocal() as session:
await ensure_admin_exists(session)
await seed_demo_fees(session)
yield
async def _ensure_legacy_primary_keys(conn) -> None:
# Fix legacy databases where tables with an "id" column were created without a PK.
result = await conn.execute(
text(
"""
SELECT c.relname AS table_name
FROM pg_class c
JOIN pg_namespace n ON n.oid = c.relnamespace
WHERE n.nspname = 'public'
AND c.relkind = 'r'
AND EXISTS (
SELECT 1
FROM pg_attribute a
WHERE a.attrelid = c.oid
AND a.attname = 'id'
AND a.attisdropped = false
)
AND NOT EXISTS (
SELECT 1
FROM pg_constraint con
WHERE con.conrelid = c.oid
AND con.contype = 'p'
)
"""
)
)
tables = [row.table_name for row in result.fetchall()]
for table_name in tables:
await conn.execute(
text(f'ALTER TABLE "{table_name}" ADD CONSTRAINT "{table_name}_pkey" PRIMARY KEY (id)')
)
def create_app() -> FastAPI:
app = FastAPI(
title="CTMS 后端 API",
description="临床试验项目管理系统后端接口文档",
version="0.1.0",
debug=settings.ENV == "development",
lifespan=lifespan,
openapi_tags=[
{"name": "auth", "description": "认证与登录"},
{"name": "users", "description": "用户管理"},
{"name": "studies", "description": "项目管理"},
{"name": "sites", "description": "中心管理"},
{"name": "study-members", "description": "项目成员"},
{"name": "attachments", "description": "通用附件"},
{"name": "audit-logs", "description": "审计日志"},
{"name": "dashboard", "description": "项目总览与统计"},
{"name": "subjects", "description": "参与者"},
{"name": "visits", "description": "访视"},
{"name": "aes", "description": "不良事件"},
{"name": "finance", "description": "费用管理"},
{"name": "faq-categories", "description": "FAQ 分类"},
{"name": "faqs", "description": "FAQ 条目"},
{"name": "health", "description": "健康检查"},
],
)
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
register_exception_handlers(app)
@app.get(
"/health",
tags=["health"],
summary="健康检查",
description="返回服务存活状态。",
)
async def health() -> dict[str, str]:
return {"status": "ok"}
app.include_router(api_router, prefix="/api/v1")
return app
app = create_app()