614 lines
24 KiB
Python
614 lines
24 KiB
Python
"""押金支付流程视图。
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包含押金购买的参数生成、支付回调、失败处理、轮询。
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"""
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# ==================== 标准库 ====================
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import os
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import json
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import time
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import random
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import string
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import uuid
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import hashlib
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import requests
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import logging
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import decimal
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from datetime import timedelta
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from decimal import Decimal, InvalidOperation, ROUND_CEILING
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import defusedxml.ElementTree as ET
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# ==================== Django 内置 ====================
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from django.conf import settings
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from django.db import transaction, connection
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from django.db.models import Q
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from gvsdsdk.fluent import db, func, FQ
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from django.shortcuts import render, get_object_or_404
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from django.http import HttpResponse
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from django.utils import timezone
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# ==================== DRF 框架 ====================
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from rest_framework.views import APIView, View
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from rest_framework.response import Response
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from rest_framework import permissions, status
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from rest_framework.permissions import AllowAny, IsAuthenticated
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from rest_framework.parsers import MultiPartParser, FormParser, JSONParser
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from rest_framework.throttling import AnonRateThrottle
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# ==================== 项目工具函数 ====================
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from utils.oss_utils import validate_image, upload_to_oss, delete_from_oss
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from utils.money import format_yuan, quantize_yuan, yuan_to_fen
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from backend.utils import (
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update_guanshi_daily_by_action,
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update_guanshi_xufei_daily,
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update_zuzhang_daily_by_action
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)
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from users.fadan_fenhong_utils import process_fadan_fenhong
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# ==================== 各App模型 ====================
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from ..models import (
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ShangpinLeixing, ShangpinZhuanqu, Shangpin, Huiyuan,
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Czjilu, Gsfenhong, Huiyuangoumai, DuociFenhong
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)
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from users.models import (
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AdminProfile, UserDashou, UserGuanshi, UserZuzhang, UserShangjia
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)
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from users.business_models import User
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from orders.models import CommissionRate
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from config.models import Gonggao, Lunbo
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from orders.models import Penalty # 用于罚款类型
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from jituan.services.club_config import (
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get_commission_rate,
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get_commission_rate_object,
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get_huiyuan_price,
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get_huiyuan_fenchong,
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)
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from jituan.services.club_context import resolve_effective_club_id
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from jituan.services.club_write import resolve_club_id_for_write
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from jituan.services.club_user import get_payment_openid
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from jituan.services.club_penalty import resolve_gsfenhong_club_id
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import traceback
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# ==================== 日志实例 ====================
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logger = logging.getLogger(__name__)
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class YajinGoumai(APIView):
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"""
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押金充值支付参数接口
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路径：/shangpin/yajingoumai
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请求方式：POST
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权限：JWT认证
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参数：jine（金额，1-10000元）
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返回：支付参数(payParams)和订单ID(dingdanid)
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"""
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permission_classes = [IsAuthenticated]
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def post(self, request):
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try:
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# 1. 验证用户身份和状态
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try:
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dashou = request.user.DashouProfile
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except UserDashou.DoesNotExist:
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return Response({
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'code': 400,
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'message': '用户不是打手，无法充值押金'
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}, status=status.HTTP_400_BAD_REQUEST)
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if dashou.zhanghaozhuangtai != 1:
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return Response({
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'code': 400,
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'message': '账号状态异常，无法进行充值'
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}, status=status.HTTP_400_BAD_REQUEST)
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# 2. 获取并验证金额参数
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jine = request.data.get('jine')
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if not jine:
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return Response({
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'code': 400,
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'message': '请填写充值金额'
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}, status=status.HTTP_400_BAD_REQUEST)
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try:
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jine = int(jine)
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except (ValueError, TypeError):
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return Response({
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'code': 400,
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'message': '金额格式错误，请填写1-10000的整数'
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}, status=status.HTTP_400_BAD_REQUEST)
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# 验证金额范围
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if jine < 1 or jine > 10000:
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return Response({
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'code': 400,
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'message': '充值金额必须在1-10000元之间'
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}, status=status.HTTP_400_BAD_REQUEST)
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# 3. 生成订单ID（使用你提供的算法，前缀改为CzYJ）
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timestamp_ms = int(time.time() * 1000)
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timestamp_ns = int(time.time_ns() // 1000) % 1000000
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random_num = random.randint(0, 99)
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dingdanid = f"CzYJ{timestamp_ms:011d}{timestamp_ns:06d}{random_num:02d}"
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# 4. 创建充值记录订单
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chongzhi_jilu = Czjilu.query.create(
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dingdan_id=dingdanid,
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zhuangtai=9, # 未支付状态
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yonghuid=request.user.UserUID,
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jine=jine,
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leixing=2, # 充值类型：2=押金
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shuoming=settings.YAJIN_PAY_DESCRIPTION,
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club_id=resolve_club_id_for_write(request, request.user),
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)
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logger.info(f"创建押金充值订单: 用户{request.user.UserUID}, 订单{dingdanid}, 金额{jine}元")
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# 5. 生成微信支付参数
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try:
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pay_openid, _ = get_payment_openid(request)
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if not pay_openid:
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chongzhi_jilu.delete()
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return Response({'code': 400, 'message': '用户openid不存在'}, status=status.HTTP_400_BAD_REQUEST)
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pay_params = self.generate_wechat_pay_params(
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dingdanid=dingdanid,
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jine=jine,
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openid=pay_openid,
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pay_type='yajin'
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)
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except Exception as e:
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# 支付参数生成失败，删除订单记录
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chongzhi_jilu.delete()
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logger.error(f"生成微信支付参数失败: {str(e)}")
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return Response({
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'code': 500,
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'message': f'支付参数生成失败: {str(e)}'
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}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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# 6. 返回支付参数和订单ID
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return Response({
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'code': 200,
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'message': '支付参数生成成功',
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'payParams': pay_params, # 支付参数（前端接收为payParams）
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'dingdanid': dingdanid # 订单ID（前端接收为dingdanid）
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}, status=status.HTTP_200_OK)
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except Exception as e:
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logger.error(f"押金充值接口异常: {str(e)}", exc_info=True)
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return Response({
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'code': 500,
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'message': '服务器内部错误，请稍后重试'
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}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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def generate_wechat_pay_params(self, dingdanid, jine, openid, pay_type):
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"""生成微信小程序支付参数"""
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# 获取配置
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from jituan.services.club_write import resolve_club_id_for_write
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from jituan.services.wechat_pay import get_wechat_v2_config
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pay_cfg = get_wechat_v2_config(resolve_club_id_for_write(self.request, self.request.user))
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APPID = pay_cfg['appid']
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MCHID = pay_cfg['mch_id']
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KEY = pay_cfg['key']
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# 根据支付类型获取对应的配置
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if pay_type == 'yajin':
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PAY_DESCRIPTION = settings.YAJIN_PAY_DESCRIPTION
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NOTIFY_URL = settings.YAJIN_PAY_NOTIFY_URL
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elif pay_type == 'jifen':
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PAY_DESCRIPTION = settings.JIFEN_PAY_DESCRIPTION
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NOTIFY_URL = settings.JIFEN_PAY_NOTIFY_URL
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elif pay_type == 'huiyuan':
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PAY_DESCRIPTION = settings.HUIYUAN_PAY_DESCRIPTION
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NOTIFY_URL = settings.HUIYUAN_PAY_NOTIFY_URL
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else:
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raise Exception('未知的支付类型')
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# 生成随机字符串
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nonce_str = ''.join(random.choices(string.ascii_letters + string.digits, k=32))
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# 金额转换（元转分）
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total_fee = yuan_to_fen(jine)
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# 交易类型（小程序支付使用JSAPI）
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trade_type = 'JSAPI'
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# 获取客户端IP
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user_ip = self.get_client_ip()
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# 1. 第一次签名（统一下单接口）
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sign_data = {
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'appid': APPID,
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'mch_id': MCHID,
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'nonce_str': nonce_str,
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'body': PAY_DESCRIPTION,
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'out_trade_no': dingdanid,
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'total_fee': total_fee,
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'spbill_create_ip': user_ip,
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'notify_url': NOTIFY_URL,
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'trade_type': trade_type,
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'openid': openid # 小程序支付必须传openid
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}
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# 按照参数名ASCII码从小到大排序
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sorted_sign_data = sorted(sign_data.items(), key=lambda x: x[0])
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# 拼接字符串
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sign_string = '&'.join([f"{key}={value}" for key, value in sorted_sign_data if value])
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sign_string += f'&key={KEY}'
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# MD5签名
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sign = hashlib.md5(sign_string.encode('utf-8')).hexdigest().upper()
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# 构造XML数据
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xml_data = f"""<xml>
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<appid>{APPID}</appid>
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<body>{PAY_DESCRIPTION}</body>
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<mch_id>{MCHID}</mch_id>
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<nonce_str>{nonce_str}</nonce_str>
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<notify_url>{NOTIFY_URL}</notify_url>
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<openid>{openid}</openid>
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<out_trade_no>{dingdanid}</out_trade_no>
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<spbill_create_ip>{user_ip}</spbill_create_ip>
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<total_fee>{total_fee}</total_fee>
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<trade_type>{trade_type}</trade_type>
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<sign>{sign}</sign>
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</xml>"""
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# 调用微信统一下单接口（官方地址）
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response = requests.post(
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'https://api.mch.weixin.qq.com/pay/unifiedorder',
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data=xml_data.encode('utf-8'),
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headers={'Content-Type': 'application/xml'},
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timeout=10 # 设置超时
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)
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# 解析返回的XML
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root = ET.fromstring(response.content)
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return_code = root.find('return_code').text
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result_code = root.find('result_code').text
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if return_code == 'SUCCESS' and result_code == 'SUCCESS':
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# 获取prepay_id
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prepay_id = root.find('prepay_id').text
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# 2. 第二次签名（小程序支付参数）
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timestamp = str(int(time.time()))
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nonce_str = ''.join(random.choices(string.ascii_letters + string.digits, k=32))
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package = f'prepay_id={prepay_id}'
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sign_type = 'MD5'
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# 生成支付签名（注意：这里key的大小写和字段名与第一次不同）
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pay_sign_data = {
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'appId': APPID, # 注意：这里是appId，不是appid
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'timeStamp': timestamp, # 注意：这里是timeStamp，不是timestamp
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'nonceStr': nonce_str,
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'package': package,
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'signType': sign_type
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}
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sorted_pay_sign_data = sorted(pay_sign_data.items(), key=lambda x: x[0])
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pay_sign_string = '&'.join([f"{key}={value}" for key, value in sorted_pay_sign_data])
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pay_sign_string += f'&key={KEY}'
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pay_sign = hashlib.md5(pay_sign_string.encode('utf-8')).hexdigest().upper()
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# 返回前端需要的支付参数
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return {
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'appId': APPID, # 对应前端：appId
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'timeStamp': timestamp, # 对应前端：timeStamp
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'nonceStr': nonce_str, # 对应前端：nonceStr
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'package': package, # 对应前端：package
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'signType': sign_type, # 对应前端：signType
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'paySign': pay_sign # 对应前端：paySign
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}
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else:
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# 获取错误信息
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err_code = root.find('err_code')
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err_code_des = root.find('err_code_des')
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return_msg = root.find('return_msg')
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error_details = f"return_code: {return_code}"
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if err_code is not None:
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error_details += f", err_code: {err_code.text}"
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if err_code_des is not None:
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error_details += f", err_code_des: {err_code_des.text}"
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if return_msg is not None:
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error_details += f", return_msg: {return_msg.text}"
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raise Exception(f"微信支付下单失败: {error_details}")
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def get_client_ip(self):
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"""获取客户端IP（从DRF的request对象中获取）"""
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request = self.request
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x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
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if x_forwarded_for:
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ip = x_forwarded_for.split(',')[0]
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else:
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ip = request.META.get('REMOTE_ADDR')
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return ip if ip else '127.0.0.1'
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class YajinHuitiao(View):
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"""
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押金支付回调接口
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路径：/shangpin/yajinhuitiao
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注意：这个接口不需要JWT认证，由微信服务器调用
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"""
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def post(self, request):
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try:
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# 1. 解析微信回调XML数据
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request_body = request.body
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logger.info(f"收到微信支付回调，原始数据: {request_body.decode('utf-8')}")
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root = ET.fromstring(request_body)
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# 获取关键字段
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return_code = root.find('return_code').text
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result_code = root.find('result_code').text
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out_trade_no = root.find('out_trade_no').text # 订单ID
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transaction_id = root.find('transaction_id').text # 微信交易号
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total_fee = int(root.find('total_fee').text) # 支付金额（分）
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logger.info(f"回调数据解析: 订单{out_trade_no}, 状态{return_code}/{result_code}, 金额{total_fee}分")
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from jituan.services.wechat_pay import club_id_from_czjilu, verify_wechat_v2_signature
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notify_club = club_id_from_czjilu(out_trade_no)
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# 2. 验证基本返回状态
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if return_code != 'SUCCESS' or result_code != 'SUCCESS':
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logger.warning(f"微信支付回调状态异常: {return_code}/{result_code}")
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return self.wechat_response('FAIL', '支付失败')
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# 3. 验证签名（确保是微信发来的）
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if not verify_wechat_v2_signature(request_body, notify_club):
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logger.error(f"签名验证失败: {out_trade_no}")
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return self.wechat_response('FAIL', '签名验证失败')
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# 4. 查询订单
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try:
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order = Czjilu.query.get(dingdan_id=out_trade_no)
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logger.info(f"找到订单: {order.dingdan_id}, 状态: {order.zhuangtai}, 金额: {order.jine}")
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except Czjilu.DoesNotExist:
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logger.error(f"订单不存在: {out_trade_no}")
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return self.wechat_response('FAIL', '订单不存在')
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# 5. 检查订单状态是否为未支付（9）
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if order.zhuangtai != 9:
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logger.warning(f"订单状态不是未支付: {order.dingdan_id}, 当前状态: {order.zhuangtai}")
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try:
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from jituan.services.szjilu_accounting import repair_wechat_income_if_missing
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repair_wechat_income_if_missing(
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Decimal(str(order.jine)),
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getattr(order, 'club_id', None),
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biz_ref=f'cz:{out_trade_no}',
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)
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except Exception as exc:
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logger.error('押金回调补记收支失败 %s: %s', out_trade_no, exc, exc_info=True)
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return self.wechat_response('SUCCESS', 'OK')
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# 6. 验证金额（微信返回的是分，需要转换）
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wechat_amount_yuan = total_fee / 100 # 转换为元
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order_amount_yuan = float(order.jine) # 订单金额（元）
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# 允许1分钱的误差（浮点数比较）
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if abs(wechat_amount_yuan - order_amount_yuan) > 0.01:
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logger.error(f"金额不一致: 订单金额{order_amount_yuan}元, 支付金额{wechat_amount_yuan}元")
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return self.wechat_response('FAIL', '金额不一致')
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from jituan.services.czjilu_fulfill import fulfill_yajin_recharge, CzjiluFulfillError
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try:
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fulfill_yajin_recharge(out_trade_no, paid_amount_yuan=wechat_amount_yuan)
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except CzjiluFulfillError as exc:
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logger.error('押金回调履约失败 %s: %s', out_trade_no, exc)
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return self.wechat_response('FAIL', str(exc))
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logger.info(f"押金支付回调处理完成: {out_trade_no}")
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return self.wechat_response('SUCCESS', 'OK')
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except ET.ParseError as e:
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logger.error(f"XML解析失败: {str(e)}")
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return self.wechat_response('FAIL', '数据格式错误')
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except Exception as e:
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logger.error(f"押金支付回调处理异常: {str(e)}", exc_info=True)
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# 返回FAIL让微信重试
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return self.wechat_response('FAIL', '处理异常')
|
||
|
||
def verify_signature(self, xml_data):
|
||
"""验证微信支付签名"""
|
||
try:
|
||
root = ET.fromstring(xml_data)
|
||
sign = root.find('sign').text
|
||
|
||
if not sign:
|
||
logger.error("签名字段不存在")
|
||
return False
|
||
|
||
# 获取所有参数并排除sign
|
||
params = {}
|
||
for child in root:
|
||
if child.tag != 'sign' and child.text is not None:
|
||
params[child.tag] = child.text
|
||
|
||
# 按照参数名ASCII码从小到大排序
|
||
sorted_params = sorted(params.items(), key=lambda x: x[0])
|
||
|
||
# 拼接字符串
|
||
sign_string = '&'.join([f"{key}={value}" for key, value in sorted_params if value])
|
||
sign_string += f'&key={settings.WEIXIN_SHANGHUMIYAO}'
|
||
|
||
# 计算签名
|
||
calculated_sign = hashlib.md5(sign_string.encode('utf-8')).hexdigest().upper()
|
||
|
||
is_valid = sign == calculated_sign
|
||
if not is_valid:
|
||
logger.error(f"签名验证失败: 计算签名{calculated_sign}, 收到签名{sign}")
|
||
|
||
return is_valid
|
||
|
||
except Exception as e:
|
||
logger.error(f"验证签名异常: {str(e)}")
|
||
return False
|
||
|
||
def wechat_response(self, return_code, return_msg):
|
||
"""返回微信支付回调响应"""
|
||
xml_response = f"""<xml>
|
||
<return_code><![CDATA[{return_code}]]></return_code>
|
||
<return_msg><![CDATA[{return_msg}]]></return_msg>
|
||
</xml>"""
|
||
|
||
logger.info(f"返回微信响应: {return_code} - {return_msg}")
|
||
return HttpResponse(xml_response, content_type='application/xml')
|
||
|
||
|
||
|
||
|
||
# views.py
|
||
class YajinShibai(APIView):
|
||
"""
|
||
押金支付失败处理接口
|
||
路径：/shangpin/yajinshibai
|
||
请求方式：POST
|
||
权限：JWT认证
|
||
参数：dingdanid（订单ID）
|
||
返回：删除结果
|
||
"""
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def post(self, request):
|
||
try:
|
||
# 1. 获取订单ID
|
||
dingdanid = request.data.get('dingdanid')
|
||
if not dingdanid:
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单ID不能为空'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 2. 查询订单（确保是当前用户的订单）
|
||
try:
|
||
order = Czjilu.query.get(
|
||
dingdan_id=dingdanid,
|
||
yonghuid=request.user.UserUID
|
||
)
|
||
except Czjilu.DoesNotExist:
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单不存在或不属于当前用户'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 3. 检查订单状态是否为未支付（9）
|
||
if order.zhuangtai == 9:
|
||
# 删除订单
|
||
order.delete()
|
||
logger.info(f"用户{request.user.UserUID}删除未支付订单: {dingdanid}")
|
||
|
||
return Response({
|
||
'code': 200,
|
||
'message': '订单已删除'
|
||
}, status=status.HTTP_200_OK)
|
||
else:
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单状态不是未支付，无法删除'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
except Exception as e:
|
||
logger.error(f"押金支付失败处理异常: {str(e)}", exc_info=True)
|
||
return Response({
|
||
'code': 500,
|
||
'message': '服务器内部错误'
|
||
}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
||
|
||
|
||
# views.py
|
||
class YajinLunxun(APIView):
|
||
"""
|
||
押金支付成功轮询接口
|
||
路径：/shangpin/yajinlunxun
|
||
请求方式：POST
|
||
权限：JWT认证
|
||
参数：dingdanid（订单ID）
|
||
返回：订单状态和当前押金
|
||
"""
|
||
permission_classes = [IsAuthenticated]
|
||
|
||
def post(self, request):
|
||
try:
|
||
# 1. 获取订单ID
|
||
dingdanid = request.data.get('dingdanid')
|
||
if not dingdanid:
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单ID不能为空'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 2. 查询订单（确保是当前用户的订单）
|
||
try:
|
||
order = Czjilu.query.get(
|
||
dingdan_id=dingdanid,
|
||
yonghuid=request.user.UserUID
|
||
)
|
||
except Czjilu.DoesNotExist:
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单不存在或不属于当前用户'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 3. 未支付则查微信并幂等履约
|
||
if order.zhuangtai == 9:
|
||
from jituan.services.czjilu_fulfill import confirm_czjilu_paid, CzjiluFulfillError
|
||
try:
|
||
confirm_czjilu_paid(dingdanid, request.user.UserUID, expected_leixing=2)
|
||
order = Czjilu.query.get(dingdan_id=dingdanid, yonghuid=request.user.UserUID)
|
||
except CzjiluFulfillError as exc:
|
||
logger.info(f"押金确认未就绪 {dingdanid}: {exc}")
|
||
return Response({
|
||
'code': 400,
|
||
'message': str(exc),
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
if order.zhuangtai != 3:
|
||
logger.info(f"订单{dingdanid}尚未支付完成，当前状态: {order.zhuangtai}")
|
||
return Response({
|
||
'code': 400,
|
||
'message': '订单尚未支付完成'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
# 4. 获取打手押金（通过反向查询，最快捷的方式）
|
||
try:
|
||
dashou = request.user.DashouProfile
|
||
yajin = float(dashou.yajin) # 转为浮点数方便前端处理
|
||
|
||
logger.info(f"轮询成功: 订单{dingdanid}已支付，用户{request.user.UserUID}押金为{yajin}元")
|
||
|
||
return Response({
|
||
'code': 200,
|
||
'message': '支付流程全部完成',
|
||
'yajin': yajin # 返回当前押金（前端需要更新全局变量）
|
||
}, status=status.HTTP_200_OK)
|
||
|
||
except UserDashou.DoesNotExist:
|
||
logger.error(f"打手信息不存在: 用户{request.user.UserUID}")
|
||
return Response({
|
||
'code': 400,
|
||
'message': '打手信息不存在'
|
||
}, status=status.HTTP_400_BAD_REQUEST)
|
||
|
||
except Exception as e:
|
||
logger.error(f"押金轮询异常: {str(e)}", exc_info=True)
|
||
return Response({
|
||
'code': 500,
|
||
'message': '服务器内部错误'
|
||
}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
|
||
|
||
|
||
# views.py
|
||
|
||
|