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115 lines
4.3 KiB
115 lines
4.3 KiB
5 years ago
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from rest_framework.views import APIView
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from api.utils.ali.api import ali_api
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from api.utils.ali.tools import verify_signature
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from rest_framework.response import Response
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from api.models import Order
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import datetime,time
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from django.shortcuts import HttpResponse,redirect
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from api.utils.response import BaseResponse
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class AlipayTradeView(APIView):
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def get(self,request,*args,**kwargs):
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try:
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processed_dict = {}
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for key, value in self.request.query_params.items():
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processed_dict[key] = value
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# 校验签名
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verify_result = verify_signature(processed_dict, ali_api.pay.ali_public_key)
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if not verify_result:
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return HttpResponse("sign is invalid")
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out_trade_no = processed_dict.get("out_trade_no") # 商户订单号
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redirect_to = "{0}?order_num={1}".format("http://47.94.172.250:8804/order/pay_success",out_trade_no)
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return redirect(redirect_to)
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except Exception as e:
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return HttpResponse("fail!")
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def post(self, request):
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"""
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处理支付宝的notify_url
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支付宝对应交易的四种状态:
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1,WAIT_BUYER_PAY 交易创建，等待买家付款
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2,TRADE_CLOSED 未付款交易超时关闭，或支付完成后全额退款
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3,TRADE_SUCCESS 交易支付成功
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4,TRADE_FINISHED 交易结束，不可退款
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如果支付成功, 将要处理的事件:
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1, 订单状态更改为交易完成(变更状态后, 通过信号进行如下操作)
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2, 如果使用优惠券, 支付成功将要把优惠券的状态更改为已使用
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3, 如果使用余额, 将要进行扣除
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"""
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processed_dict = {}
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for key, value in self.request.data.items():
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processed_dict[key] = value
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# 校验签名
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verify_result = verify_signature(processed_dict, ali_api.pay.ali_public_key)
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if not verify_result:
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return Response("fail")
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order_sn = processed_dict.get("out_trade_no", "") # 商户网站唯一订单号
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trade_no = processed_dict.get("trade_no", "") # 该交易在支付宝系统中的交易流水号。最长64位
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trade_status = processed_dict.get("trade_status", "") # 支付宝系统的交易状态
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# 支付成功
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# 为放止支付宝重复请求, 获取到订单号并查询该订单的状态是否为交易完成, 如果交易完成, 即直接返回成功信号
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# 为该用户创建报名课程, 创建报名时间及结束时间
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# 区分LuffyX课程 和 付费课程
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# 当前策略LuffyX课程是不能加入购物车的
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if trade_status == "TRADE_SUCCESS":
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gmt_payment = processed_dict.get("gmt_payment") # 买家付款时间 格式 yyyy-MM-dd HH:mm:ss
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passback_params = processed_dict.get("passback_params", "{}") # 公共回传参数
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# 修改订单状态
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save_status = self.change_order_status(order_sn, trade_no, gmt_payment, "alipay",passback_params)
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if save_status is True:
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return Response("success")
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return Response("fail")
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def change_order_status(order_num, payment_number, gmt_payment, trade_type, extra_params):
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"""交易成功修改订单相关的状态
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Parameters
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----------
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order_num : string
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订单号
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payment_number : string or None
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第三方订单号
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gmt_payment : string
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交易时间(要根据不同的交易方式格式化交易时间)
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trade_type: string
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交易方式
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extra_params: string json
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交易回传参数
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Returns
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-------
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bool
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"""
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try:
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exist_order = Order.objects.get(order_number=order_num)
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pay_time = datetime.datetime.strptime(gmt_payment, "%Y-%m-%d %H:%M:%S")
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if exist_order.status == 0:
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return True
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# 变更订单状态
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exist_order.payment_number = payment_number
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exist_order.status = 0
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exist_order.pay_time = pay_time
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exist_order.save(update_fields=("payment_number", "status", "pay_time", ),)
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except Exception as e:
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pass
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return True
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