53 lines
1.8 KiB
Python
53 lines
1.8 KiB
Python
"""
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支付 API：创建订单、异步通知、状态查询
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遵循 BACKEND_DEV.md 规范：router 只做参数校验、调用 service、返回统一响应
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"""
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from fastapi import APIRouter, HTTPException, Request, status
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from fastapi.responses import PlainTextResponse
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from app.core.response import success_response
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from .schemas import CreateOrderRequest, CreateOrderResponse, OrderStatusResponse
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from . import service
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router = APIRouter(prefix="/api/payment", tags=["支付"])
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@router.post("/create-order")
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async def create_payment_order(request: CreateOrderRequest):
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"""创建支付宝电脑网站支付订单，返回收银台 URL"""
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try:
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result = service.create_payment_order(request.payment_token)
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except ValueError as e:
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raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail=str(e))
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except RuntimeError as e:
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raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e))
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return success_response(
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CreateOrderResponse(**result).model_dump()
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)
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@router.post("/notify")
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async def payment_notify(request: Request):
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"""
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支付宝异步通知回调
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必须返回纯文本 "success"（不是 JSON），否则支付宝会重复推送。
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"""
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form_data = await request.form()
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verified = service.handle_payment_notify(dict(form_data))
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return PlainTextResponse("success" if verified else "fail")
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@router.get("/status/{out_trade_no}")
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async def check_payment_status(out_trade_no: str):
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"""查询订单支付状态（前端轮询）"""
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order_status = service.get_order_status(out_trade_no)
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if order_status is None:
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raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="订单不存在")
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return success_response(
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OrderStatusResponse(status=order_status).model_dump()
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)
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