发布v2.5.3版本，更新内容请查看：https://github.com/bufanyun/hotgo/blob/v2.0/docs/guide-zh-CN/start-update-log.md

server/internal/logic/pay/refund.go

@@ -0,0 +1,225 @@
+// Package pay
+// @Link  https://github.com/bufanyun/hotgo
+// @Copyright  Copyright (c) 2023 HotGo CLI
+// @Author  Ms <133814250@qq.com>
+// @License  https://github.com/bufanyun/hotgo/blob/master/LICENSE
+// @AutoGenerate Version 2.5.3
+// @AutoGenerate Date 2023-04-15 15:59:58
+package pay
+
+import (
+	"context"
+	"fmt"
+	"github.com/gogf/gf/v2/encoding/gjson"
+	"github.com/gogf/gf/v2/errors/gerror"
+	"github.com/gogf/gf/v2/frame/g"
+	"github.com/gogf/gf/v2/net/ghttp"
+	"hotgo/internal/consts"
+	"hotgo/internal/dao"
+	"hotgo/internal/library/hgorm"
+	"hotgo/internal/library/hgorm/handler"
+	"hotgo/internal/library/location"
+	"hotgo/internal/library/payment"
+	"hotgo/internal/model/entity"
+	"hotgo/internal/model/input/form"
+	"hotgo/internal/model/input/payin"
+	"hotgo/internal/service"
+	"hotgo/utility/convert"
+	"hotgo/utility/excel"
+
+	"github.com/gogf/gf/v2/database/gdb"
+	"github.com/gogf/gf/v2/os/gctx"
+	"github.com/gogf/gf/v2/util/gconv"
+)
+
+// 订单退款.
+
+type sPayRefund struct{}
+
+func NewPayRefund() *sPayRefund {
+	return &sPayRefund{}
+}
+
+func init() {
+	service.RegisterPayRefund(NewPayRefund())
+}
+
+// Model 交易退款ORM模型
+func (s *sPayRefund) Model(ctx context.Context, option ...*handler.Option) *gdb.Model {
+	return handler.Model(dao.PayRefund.Ctx(ctx), option...)
+}
+
+// Refund 订单退款
+func (s *sPayRefund) Refund(ctx context.Context, in payin.PayRefundInp) (res *payin.PayRefundModel, err error) {
+	var models *entity.PayLog
+	if err = service.Pay().Model(ctx).Where(dao.PayLog.Columns().OrderSn, in.OrderSn).Scan(&models); err != nil {
+		return
+	}
+
+	if models == nil {
+		err = gerror.Newf("业务订单号[%v]不存在支付记录，请检查", in.OrderSn)
+		return
+	}
+
+	if models.PayStatus != consts.PayStatusOk {
+		err = gerror.Newf("业务订单号[%v]未支付，无需退款", in.OrderSn)
+		return
+	}
+
+	if models.IsRefund != consts.RefundStatusNo {
+		err = gerror.Newf("业务订单号[%v]退款已被处理，请勿重复操作", in.OrderSn)
+		return
+	}
+
+	var traceIds []string
+	if err = models.TraceIds.Scan(&traceIds); err != nil {
+		return
+	}
+	traceIds = append(traceIds, gctx.CtxId(ctx))
+
+	refundSn := payment.GenRefundSn()
+
+	// 创建第三方平台退款
+	req := payin.RefundInp{
+		Pay:         models,
+		RefundMoney: in.RefundMoney,
+		Reason:      in.Reason,
+		Remark:      in.Remark,
+		RefundSn:    refundSn,
+	}
+
+	if _, err = payment.New(models.PayType).Refund(ctx, req); err != nil {
+		return
+	}
+
+	models.RefundSn = refundSn
+	models.IsRefund = consts.RefundStatusAgree
+	models.TraceIds = gjson.New(traceIds)
+
+	result, err := s.Model(ctx).
+		Fields(
+			dao.PayLog.Columns().RefundSn,
+			dao.PayLog.Columns().IsRefund,
+			dao.PayLog.Columns().TraceIds,
+		).
+		Where(dao.PayLog.Columns().Id, models.Id).
+		OmitEmpty().
+		Data(models).Update()
+	if err != nil {
+		return
+	}
+
+	ret, err := result.RowsAffected()
+	if err != nil {
+		return
+	}
+
+	if ret == 0 {
+		g.Log().Warningf(ctx, "Refund 没有被更新的数据行")
+	}
+
+	data := &entity.PayRefund{
+		Id:            0,
+		MemberId:      models.MemberId,
+		AppId:         models.AppId,
+		OrderSn:       models.OrderSn,
+		RefundTradeNo: "",
+		RefundMoney:   in.RefundMoney,
+		RefundWay:     1,
+		Ip:            location.GetClientIp(ghttp.RequestFromCtx(ctx)),
+		Reason:        in.Reason,
+		Remark:        in.Remark,
+		Status:        consts.RefundStatusAgree,
+	}
+
+	// 创建退款记录
+	if _, err = s.Model(ctx).Data(data).Insert(); err != nil {
+		return
+	}
+
+	return
+}
+
+// List 获取交易退款列表
+func (s *sPayRefund) List(ctx context.Context, in payin.PayRefundListInp) (list []*payin.PayRefundListModel, totalCount int, err error) {
+	mod := s.Model(ctx)
+
+	// 查询变动ID
+	if in.Id > 0 {
+		mod = mod.Where(dao.PayRefund.Columns().Id, in.Id)
+	}
+
+	// 查询管理员ID
+	if in.MemberId > 0 {
+		mod = mod.Where(dao.PayRefund.Columns().MemberId, in.MemberId)
+	}
+
+	// 查询应用id
+	if in.AppId != "" {
+		mod = mod.WhereLike(dao.PayRefund.Columns().AppId, in.AppId)
+	}
+
+	// 查询备注
+	if in.Remark != "" {
+		mod = mod.WhereLike(dao.PayRefund.Columns().Remark, in.Remark)
+	}
+
+	// 查询操作人IP
+	if in.Ip != "" {
+		mod = mod.WhereLike(dao.PayRefund.Columns().Ip, in.Ip)
+	}
+
+	// 查询状态
+	if in.Status > 0 {
+		mod = mod.Where(dao.PayRefund.Columns().Status, in.Status)
+	}
+
+	// 查询创建时间
+	if len(in.CreatedAt) == 2 {
+		mod = mod.WhereBetween(dao.PayRefund.Columns().CreatedAt, in.CreatedAt[0], in.CreatedAt[1])
+	}
+
+	totalCount, err = mod.Clone().Count(1)
+	if err != nil {
+		return
+	}
+
+	if totalCount == 0 {
+		return
+	}
+
+	fields, err := hgorm.GenSelect(ctx, payin.PayRefundListModel{}, dao.PayRefund)
+	if err != nil {
+		return
+	}
+
+	err = mod.Fields(fields).Page(in.Page, in.PerPage).OrderDesc(dao.PayRefund.Columns().Id).Scan(&list)
+	return
+}
+
+// Export 导出交易退款
+func (s *sPayRefund) Export(ctx context.Context, in payin.PayRefundListInp) (err error) {
+	list, totalCount, err := s.List(ctx, in)
+	if err != nil {
+		return
+	}
+
+	// 字段的排序是依据tags的字段顺序，如果你不想使用默认的排序方式，可以直接定义 tags = []string{"字段名称", "字段名称2", ...}
+	tags, err := convert.GetEntityDescTags(payin.PayRefundExportModel{})
+	if err != nil {
+		return
+	}
+
+	var (
+		fileName  = "导出交易退款-" + gctx.CtxId(ctx) + ".xlsx"
+		sheetName = fmt.Sprintf("索引条件共%v行,共%v页,当前导出是第%v页,本页共%v行", totalCount, form.CalPageCount(totalCount, in.PerPage), in.Page, len(list))
+		exports   []payin.PayRefundExportModel
+	)
+
+	if err = gconv.Scan(list, &exports); err != nil {
+		return
+	}
+
+	err = excel.ExportByStructs(ctx, tags, exports, fileName, sheetName)
+	return
+}