修改网关代码的结构，调整了逻辑，删除了许多无用的代码

gateway/pay_for/payfor_solve.go

@@ -0,0 +1,135 @@
+package pay_for
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"gateway/conf"
+	"gateway/models/accounts"
+	"gateway/models/payfor"
+	"gateway/utils"
+	"github.com/beego/beego/v2/client/orm"
+	"github.com/beego/beego/v2/core/logs"
+)
+
+func PayForFail(p payfor.PayforInfo) bool {
+
+	o := orm.NewOrm()
+	if err := o.DoTx(func(ctx context.Context, txOrm orm.TxOrmer) error {
+
+		var tmpForPay payfor.PayforInfo
+		if err := txOrm.Raw("select * from payfor_info where bank_order_id = ? for update", p.BankOrderId).QueryRow(&tmpForPay); err != nil || tmpForPay.PayforUid == "" {
+
+			logs.Error("solve pay fail select fail：", err)
+			return err
+		}
+
+		if tmpForPay.Status == conf.PAYFOR_FAIL || tmpForPay.Status == conf.PAYFOR_SUCCESS {
+			logs.Error(fmt.Sprintf("该代付订单uid=%s，状态已经是最终结果", tmpForPay.PayforUid))
+			return errors.New("状态已经是最终结果")
+		}
+		//更新payfor记录的状态
+		tmpForPay.Status = conf.PAYFOR_FAIL
+		tmpForPay.UpdateTime = utils.GetBasicDateTime()
+		if _, err := txOrm.Update(&tmpForPay); err != nil {
+			logs.Error("PayForFail update payfor_info fail: ", err)
+			return err
+		}
+
+		var account accounts.AccountInfo
+		if err := txOrm.Raw("select * from account_info where account_uid = ? for update", tmpForPay.MerchantUid).QueryRow(&account); err != nil || account.AccountUid == "" {
+
+			logs.Error("payfor select account fail：", err)
+			return err
+		}
+
+		account.UpdateTime = utils.GetBasicDateTime()
+		if account.PayforAmount < tmpForPay.PayforTotalAmount {
+			logs.Error(fmt.Sprintf("商户uid=%s，账户中待代付金额小于代付记录的金额", tmpForPay.MerchantUid))
+			return errors.New("账户中待代付金额小于代付记录的金额")
+		}
+		//将正在打款中的金额减去
+		account.PayforAmount = account.PayforAmount - tmpForPay.PayforTotalAmount
+
+		if _, err := txOrm.Update(&account); err != nil {
+			logs.Error("PayForFail update account fail: ", err)
+			return err
+		}
+
+		return nil
+
+	}); err != nil {
+		return false
+	}
+	return true
+}
+
+func PayForSuccess(p payfor.PayforInfo) bool {
+	o := orm.NewOrm()
+
+	if err := o.DoTx(func(ctx context.Context, txOrm orm.TxOrmer) error {
+		var tmpPayFor payfor.PayforInfo
+		if err := txOrm.Raw("select * from payfor_info where bank_order_id = ? for update", p.BankOrderId).QueryRow(&tmpPayFor); err != nil || tmpPayFor.PayforUid == "" {
+			logs.Error("payfor success select payfor fail：", err)
+			return err
+		}
+		if tmpPayFor.Status == conf.PAYFOR_FAIL || tmpPayFor.Status == conf.PAYFOR_SUCCESS {
+			logs.Error(fmt.Sprintf("该代付订单uid=#{payFor.PayforUid}，已经是最终结果，不需要处理"))
+			return errors.New("已经是最终结果，不需要处理")
+		}
+
+		tmpPayFor.UpdateTime = utils.GetBasicDateTime()
+		tmpPayFor.Status = conf.PAYFOR_SUCCESS
+		_, err := txOrm.Update(&tmpPayFor)
+		if err != nil {
+			logs.Error("PayForSuccess update payfor fail: ", err)
+			return err
+		}
+
+		var account accounts.AccountInfo
+		if err := txOrm.Raw("select * from account_info where account_uid = ? for update", tmpPayFor.MerchantUid).QueryRow(&account); err != nil || account.AccountUid == "" {
+			logs.Error("payfor success select account fail：", err)
+			return err
+		}
+
+		account.UpdateTime = utils.GetBasicDateTime()
+		if account.PayforAmount < tmpPayFor.PayforTotalAmount {
+			logs.Error(fmt.Sprintf("商户uid=#{payFor.MerchantUid}，账户中待代付金额小于代付记录的金额"))
+			return errors.New("账户中待代付金额小于代付记录的金额")
+		}
+
+		//代付打款中的金额减去
+		account.PayforAmount = account.PayforAmount - tmpPayFor.PayforTotalAmount
+		//减去余额，减去可用金额
+		account.Balance = account.Balance - tmpPayFor.PayforTotalAmount
+		//已结算金额减去
+		account.SettleAmount = account.SettleAmount - tmpPayFor.PayforTotalAmount
+
+		if _, err := txOrm.Update(&account); err != nil {
+			logs.Error("PayForSuccess update account fail：", err)
+			return err
+		}
+
+		//添加一条动账记录
+		accountHistory := accounts.AccountHistoryInfo{
+			AccountUid:  tmpPayFor.MerchantUid,
+			AccountName: tmpPayFor.MerchantName,
+			Type:        conf.SUB_AMOUNT,
+			Amount:      tmpPayFor.PayforTotalAmount,
+			Balance:     account.Balance,
+			UpdateTime:  utils.GetBasicDateTime(),
+			CreateTime:  utils.GetBasicDateTime(),
+		}
+
+		if _, err := txOrm.Insert(&accountHistory); err != nil {
+			logs.Error("PayForSuccess insert account history fail: ", err)
+			return err
+		}
+
+		return nil
+	}); err != nil {
+		return false
+	}
+
+	return true
+}