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372 lines
11 KiB
372 lines
11 KiB
package pay_service
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import (
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"encoding/xml"
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"fmt"
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pay_core "github.com/chanxuehong/wechat/mch/core"
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"github.com/chanxuehong/wechat/mch/pay"
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"hudongzhuanjia/logger"
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"hudongzhuanjia/models"
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"hudongzhuanjia/utils"
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"io"
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"io/ioutil"
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"math"
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"strconv"
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"time"
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)
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func init() {
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go loopUnifiedOrder()
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}
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var orderDelayQueue = make(chan *models.UserOrder, math.MaxInt8)
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func PutOrderDelayQueue(order *models.UserOrder) {
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orderDelayQueue <- order
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}
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func loopUnifiedOrder() {
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orders, err := models.GetUserOrdersByStatus(0, 3)
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if err != nil {
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panic(err)
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}
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for _, order := range orders {
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PutOrderDelayQueue(order)
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}
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defer func() {
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if err := recover(); err != nil {
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logger.Error("订单轮询查询: panic 恢复错误", err)
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}
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// 重启
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time.Sleep(5 * time.Second)
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loopUnifiedOrder()
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}()
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for {
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select {
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case order, ok := <-orderDelayQueue:
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if !ok {
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panic("通道异常关闭")
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}
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if order.ExpireAt <= time.Now().Unix() { // 订单超时
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if order.Status == 0 {
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err = Close(order.OutTradeNo) // 超时关闭订单
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if err != nil {
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logger.Error("订单关闭出现错误: 错误原因->", err)
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}
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order.Status = 5
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go HandleFailed(order)
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}
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continue
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}
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if order.Status == 0 {
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res, err := OrderQuery(order.OutTradeNo)
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if err != nil {
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logger.Error("查询订单出现错误: 错误原因-->", err.Error(), "交易订单号-->", order.OutTradeNo)
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orderDelayQueue <- order // 重新进入队列
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continue
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}
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if res["trade_state"] == CODE_TRADE_SUCCESS {
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go HandleSuccess(order)
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} else if res["trade_state"] == CODE_TRADE_REFUND {
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order.Status = 3
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orderDelayQueue <- order
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continue
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} else {
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orderDelayQueue <- order
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continue
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}
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} else if order.Status == 3 {
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res, err := QueryRefund(order.OutTradeNo)
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if err != nil {
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logger.Error("退款订单查询错误: 错误原因-->", err.Error(), "交易订单号-->", order.OutTradeNo)
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continue
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}
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order.RefundAccount = res.RefundList[0].RefundAccount
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order.RefundRecvAccount = res.RefundList[0].RefundRecvAccout
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order.Status = 4
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_, err = models.Update(order.Id, order, "refund_account", "refund_recv_account", "status")
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if err != nil {
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logger.Error("退款状态改变错误: 错误原因-->", err, "交易订单号-->", order.OutTradeNo)
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continue
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}
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}
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}
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}
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}
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const CallbackOrderUrl = "https://api.ouxuanhudong.com/PcClient/common/WeChatOauthCtl/callbackOrder"
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func UnifiedOrder(content, openId string, fee, goodType, userId, activityId, expireAt int64) (map[string]interface{}, error) {
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client, err := Client()
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if err != nil {
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return nil, err
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}
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outTradeNo := utils.RandomStr(32)
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nonceStr := utils.RandomStr(32)
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body := make(map[string]string, 0)
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body["body"] = content
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body["out_trade_no"] = outTradeNo
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body["total_fee"] = fmt.Sprint(fee)
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body["notify_url"] = CallbackOrderUrl
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body["trade_type"] = "JSAPI"
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body["device_info"] = "WEB"
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body["nonce_str"] = nonceStr
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body["sign_type"] = pay_core.SignType_MD5
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body["open_id"] = openId
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body["time_expire"] = pay_core.FormatTime(time.Unix(expireAt, 0))
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resp, err := pay.UnifiedOrder(client, body)
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if err != nil {
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return nil, err
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}
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// 记录这次订单
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userOrder := new(models.UserOrder)
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userOrder.DeviceInfo = "WEB"
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userOrder.Body = content
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userOrder.UserId = userId
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userOrder.ActivityId = activityId
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userOrder.FeeType = "CNY"
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userOrder.GoodType = goodType
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userOrder.OpenId = openId
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userOrder.OutTradeNo = outTradeNo
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userOrder.ExpireAt = expireAt
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userOrder.TotalFee = fee
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userOrder.TradeType = "JSAPI"
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userOrder.PrepayId = resp["prepay_id"]
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userOrder.Status = 0
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if _, err = models.Add(userOrder); err != nil {
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return nil, err
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}
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//获取H5支付需要的paySign
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timestamp := strconv.FormatInt(time.Now().Unix(), 10)
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pac := "prepay_id=" + resp["prepay_id"]
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paySign := pay_core.JsapiSign(client.AppId(), timestamp, nonceStr, pac, pay_core.SignType_MD5, ApiKey)
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go PutOrderDelayQueue(userOrder)
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return map[string]interface{}{
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"appid": Appid,
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"timestamp": timestamp,
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"nonce_str": nonceStr,
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"package": pac,
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"sign_type": pay_core.SignType_MD5,
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"pay_sign": paySign,
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"out_trade_no": outTradeNo,
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"user_order_id": userOrder.Id,
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}, nil
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}
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func ReOrder(outTradeNo string) (map[string]interface{}, error) {
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userOrder := new(models.UserOrder)
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exist, err := userOrder.GetByOutTradeNo(outTradeNo)
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if err != nil {
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return nil, err
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}
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if !exist {
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return nil, fmt.Errorf("订单不存在")
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}
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timestamp := strconv.FormatInt(time.Now().Unix(), 10)
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nonceStr := utils.RandomStr(32)
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//获取H5支付需要的paySign
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pac := "prepay_id=" + userOrder.PrepayId
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paySign := pay_core.JsapiSign(Appid, timestamp, nonceStr, pac, pay_core.SignType_MD5, ApiKey)
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go PutOrderDelayQueue(userOrder)
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return map[string]interface{}{
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"appid": Appid,
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"timestamp": timestamp,
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"nonce_str": nonceStr,
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"package": pac,
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"sign_type": pay_core.SignType_MD5,
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"pay_sign": paySign,
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"out_trade_no": outTradeNo,
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"user_order_id": userOrder.Id,
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}, nil
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}
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// Notify
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type NotifyRequest struct {
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ReturnCode string `xml:"return_code,omitempty" json:"return_code,omitempty"`
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ReturnMsg string `xml:"return_msg,omitempty" json:"return_msg,omitempty"`
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ResultCode string `xml:"result_code,omitempty" json:"result_code,omitempty"`
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ErrCode string `xml:"err_code,omitempty" json:"err_code,omitempty"`
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ErrCodeDes string `xml:"err_code_des,omitempty" json:"err_code_des,omitempty"`
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Appid string `xml:"appid,omitempty" json:"appid,omitempty"`
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MchId string `xml:"mch_id,omitempty" json:"mch_id,omitempty"`
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DeviceInfo string `xml:"device_info,omitempty" json:"device_info,omitempty"`
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NonceStr string `xml:"nonce_str,omitempty" json:"nonce_str,omitempty"`
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Sign string `xml:"sign,omitempty" json:"sign,omitempty"`
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SignType string `xml:"sign_type,omitempty" json:"sign_type,omitempty"`
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Openid string `xml:"openid,omitempty" json:"openid,omitempty"`
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IsSubscribe string `xml:"is_subscribe,omitempty" json:"is_subscribe,omitempty"`
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TradeType string `xml:"trade_type,omitempty" json:"trade_type,omitempty"`
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BankType string `xml:"bank_type,omitempty" json:"bank_type,omitempty"`
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TotalFee int `xml:"total_fee,omitempty" json:"total_fee,omitempty"`
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SettlementTotalFee int `xml:"settlement_total_fee,omitempty" json:"settlement_total_fee,omitempty"`
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FeeType string `xml:"fee_type,omitempty" json:"fee_type,omitempty"`
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CashFee int `xml:"cash_fee,omitempty" json:"cash_fee,omitempty"`
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CashFeeType string `xml:"cash_fee_type,omitempty" json:"cash_fee_type,omitempty"`
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CouponFee int `xml:"coupon_fee,omitempty" json:"coupon_fee,omitempty"`
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CouponCount int `xml:"coupon_count,omitempty" json:"coupon_count,omitempty"`
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CouponType0 string `xml:"coupon_type_0,omitempty" json:"coupon_type_0,omitempty"`
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CouponType1 string `xml:"coupon_type_1,omitempty" json:"coupon_type_1,omitempty"`
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CouponId0 string `xml:"coupon_id_0,omitempty" json:"coupon_id_0,omitempty"`
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CouponId1 string `xml:"coupon_id_1,omitempty" json:"coupon_id_1,omitempty"`
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CouponFee0 int `xml:"coupon_fee_0,omitempty" json:"coupon_fee_0,omitempty"`
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CouponFee1 int `xml:"coupon_fee_1,omitempty" json:"coupon_fee_1,omitempty"`
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TransactionId string `xml:"transaction_id,omitempty" json:"transaction_id,omitempty"`
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OutTradeNo string `xml:"out_trade_no,omitempty" json:"out_trade_no,omitempty"`
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Attach string `xml:"attach,omitempty" json:"attach,omitempty"`
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TimeEnd string `xml:"time_end,omitempty" json:"time_end,omitempty"`
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}
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func NotifyOrder(w io.Reader) (order *models.UserOrder, err error) {
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var exist bool
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res := NotifyRequest{}
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body, err := ioutil.ReadAll(w)
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if err != nil {
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err = fmt.Errorf("body read all error：%+v", err)
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return nil, err
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}
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err = xml.Unmarshal(body, &res)
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if err != nil {
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err = fmt.Errorf("xml unmarsal error：%+v", err)
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return
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}
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if res.ReturnCode != CODE_SUCCESS {
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return nil, fmt.Errorf("network error, retrun_code: %+v and return_msg: %+v", res.ReturnCode, res.ReturnMsg)
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}
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if res.ResultCode == CODE_SUCCESS && res.TradeType == CODE_TRADE_SUCCESS {
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userOrder := new(models.UserOrder)
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userOrder.TransactionId = res.TransactionId
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userOrder.Status = 1
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_, err = userOrder.UpdateStatusByOutTradeNo(res.OutTradeNo, 1)
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if err != nil {
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return nil, err
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}
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exist, err = userOrder.GetByOutTradeNo(res.OutTradeNo)
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if err == nil || !exist {
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err = fmt.Errorf("user order get by out_trade_no: %+v, error: %+v, exist: %+v", res.OutTradeNo, err, exist)
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return
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}
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err = HandleSuccess(userOrder)
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if err != nil {
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logger.Error(fmt.Sprintf("handle success: %v", err))
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return
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}
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return userOrder, nil
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} else {
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err = fmt.Errorf("trade error, err_code: %+v and err_code_des: %+v", res.ErrCode, res.ErrCodeDes)
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return
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}
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}
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type OrderQueryResult struct {
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Order *models.UserOrder
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Query *pay.OrderQueryResponse
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}
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func OrderQuery(outTradeNo string) (map[string]string, error) {
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client, err := Client()
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if err != nil {
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return nil, err
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}
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body := make(map[string]string)
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body["out_trade_no"] = outTradeNo
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body["nonce_str"] = utils.RandomStr(32)
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body["sign_type"] = pay_core.SignType_MD5
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res, err := pay.OrderQuery(client, body)
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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func Close(outTradeNo string) error {
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client, err := Client()
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if err != nil {
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return err
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}
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body := make(map[string]string)
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body["out_trade_no"] = outTradeNo
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body["nonce_str"] = utils.RandomStr(32)
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body["sign_type"] = pay_core.SignType_MD5
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_, err = pay.CloseOrder(client, body)
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// 请求关闭订单，成功后得到结果
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if err != nil {
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return err
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}
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return nil
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}
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//const CALLBACK_REFUND_URL = "https://api.ouxuanhudong.com/PcClient/common/WeChatOauthCtl/callbackRefund"
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func Refund(reason, outTradeNo string) (*pay.RefundResponse, error) {
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userOrder := new(models.UserOrder)
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exist, err := userOrder.GetByOutTradeNo(outTradeNo)
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if err != nil {
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return nil, err
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}
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if !exist {
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return nil, fmt.Errorf("订单不存在")
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}
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client, err := Client()
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outRefundNo := utils.RandomStr(64)
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nonceStr := utils.RandomStr(32)
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res, err := pay.Refund2(client, &pay.RefundRequest{
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TransactionId: "",
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OutTradeNo: outTradeNo,
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OutRefundNo: outRefundNo,
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TotalFee: userOrder.TotalFee,
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RefundFee: userOrder.TotalFee,
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NonceStr: nonceStr,
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SignType: pay_core.SignType_MD5,
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RefundFeeType: "CNY",
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RefundDesc: reason,
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})
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//
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if err != nil {
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return nil, err
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}
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userOrder.Status = 3
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_, err = userOrder.UpdateStatusByOutTradeNo(outTradeNo, userOrder.Status)
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if err != nil {
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return nil, err
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}
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PutOrderDelayQueue(userOrder) // 退款查询
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return res, nil
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}
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func QueryRefund(outTradeNo string) (*pay.RefundQueryResponse, error) {
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client, err := Client()
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if err != nil {
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return nil, err
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}
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res, err := pay.RefundQuery2(client, &pay.RefundQueryRequest{
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OutTradeNo: outTradeNo,
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NonceStr: utils.RandomStr(32),
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SignType: pay_core.SignType_MD5,
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})
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//请求申请退款
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if err != nil {
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return nil, err
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}
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return res, nil
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}
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