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package pay
import (
"yunyan/comm"
"yunyan/pb"
"yunyan/sys/pay/wechat"
"yunyan/utils"
"fmt"
"time"
)
// @Summary 处理微信支付异步通知 [内部RPC]
// @Description 接收由HTTP回调网关转发来的已验证、解密的支付通知,并处理业务逻辑
// @Tags Pay
// @Accept json
// @Produce json
// @Security BearerAuth
// @Param notify body pb.PayWeChatNotifyReq true "已解密的微信支付通知"
// @Success 200 {object} comm.HttpResult "处理结果"
// @Router /api/home/pay_wechatnotify [post]
func (this *apiComp) WeChatNotify(session comm.IUserSession, req *pb.PayWeChatNotifyReq) (resp []byte, errdata *pb.ErrorData) {
var (
transaction *wechat.WxPayTransaction
user *pb.DBUser
model *pb.DBPayOrder
err error
)
if transaction, err = wechat.DecryptWxPayNotify(
req.Resource.AssociatedData,
req.Resource.Nonce,
req.Resource.Ciphertext,
); err != nil {
errdata = &pb.ErrorData{
Code: pb.ErrorCode_PayNotifyDecryptFail,
Message: "解密微信支付通知失败:" + err.Error(),
}
return
}
// 3. 使用解密后的交易数据处理业务(如更新订单状态)
fmt.Printf("商户订单号: %s\n", transaction.OutTradeNo)
fmt.Printf("支付状态: %s\n", transaction.TradeState)
fmt.Printf("支付金额: %d 分\n", transaction.Amount.Total)
if model, err = this.module.model.getPayOrder(transaction.OutTradeNo); err != nil {
resp = []byte(utils.ToString(map[string]string{
"code": "Fail",
"message": fmt.Sprintf("订单不存在: %s", transaction.OutTradeNo),
}))
return
}
if model.Status != pb.PayOrderStatus_PAY_ORDER_PENDING {
// 已经处理过的订单,直接返回成功
resp = []byte(utils.ToString(map[string]string{
"code": "SUCCESS",
"message": "成功",
}))
return
}
// 4. 查询用户信息
if user, err = this.module.model.getUser(model.Uid); err != nil {
errdata = &pb.ErrorData{
Code: pb.ErrorCode_DBError,
Message: "查询用户信息失败:" + err.Error(),
}
return
}
model.Status = pb.PayOrderStatus_PAY_ORDER_PAID
model.PayTime = time.Now().Unix()
err = this.deliverResourceByOrder(user, model)
if err != nil {
resp = []byte(utils.ToString(map[string]string{
"code": "Fail",
"message": fmt.Sprintf("发货资源失败: %v", err),
}))
return
}
if err = this.module.model.updatePayOrder(model); err != nil {
resp = []byte(utils.ToString(map[string]string{
"code": "Fail",
"message": fmt.Sprintf("更新订单状态失败: %v", err),
}))
return
}
resp = []byte(utils.ToString(map[string]string{
"code": "SUCCESS",
"message": "成功",
}))
return
}