邹方成
45815bfb7d
refactor(utils): 修复密码哈希比较逻辑错误 feat(user): 新增按状态筛选优惠券接口 docs: 添加虚拟发货与任务中心相关文档 fix(wechat): 修正Code2Session上下文传递问题 test: 补充订单折扣与积分转换测试用例 build: 更新配置文件与构建脚本 style: 清理多余的空行与注释
291 lines
9.3 KiB
Go
291 lines
9.3 KiB
Go
package admin
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"time"
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"bindbox-game/internal/code"
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"bindbox-game/internal/pkg/core"
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paypkg "bindbox-game/internal/pkg/pay"
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"bindbox-game/internal/pkg/validation"
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"bindbox-game/internal/repository/mysql/model"
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)
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type createRefundRequest struct {
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OrderNo string `json:"order_no" form:"order_no"`
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Amount int64 `json:"amount" form:"amount"`
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Reason string `json:"reason" form:"reason"`
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}
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type createRefundResponse struct {
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OrderNo string `json:"order_no"`
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Status string `json:"status"`
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}
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// CreateRefund 管理端创建退款(占位实现)
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// 入参：order_no、amount(分)、reason
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// 行为：将订单状态置为已退款，并写入积分流水refund_restore(按订单积分抵扣金额恢复)
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// 注意：真实场景需调用微信退款API并根据结果更新状态，本版本为占位保证编译与联调
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func (h *handler) CreateRefund() core.HandlerFunc {
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return func(ctx core.Context) {
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req := new(createRefundRequest)
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rsp := new(createRefundResponse)
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if err := ctx.ShouldBindJSON(req); err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
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return
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}
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// 查询订单
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order, err := h.readDB.Orders.WithContext(ctx.RequestContext()).Where(h.readDB.Orders.OrderNo.Eq(req.OrderNo)).First()
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if err != nil || order == nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160001, "order not found"))
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return
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}
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// 计算已退款与可退余额（分）
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ledgers, _ := h.readDB.UserPointsLedger.WithContext(ctx.RequestContext()).ReadDB().Where(h.readDB.UserPointsLedger.RefTable.Eq("orders"), h.readDB.UserPointsLedger.RefID.Eq(order.OrderNo)).Find()
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var refundedSumCents int64
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for _, l := range ledgers {
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if l.Action == "refund_amount" {
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refundedSumCents += l.Points * 100
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}
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}
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refundable := order.ActualAmount - refundedSumCents
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if refundable < 0 {
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refundable = 0
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}
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if req.Amount <= 0 || req.Amount > refundable {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160005, fmt.Sprintf("invalid refund amount, max=%d", refundable)))
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return
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}
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// 调用微信真实退款
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wc, err := paypkg.NewWechatPayClient(ctx.RequestContext())
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if err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160006, err.Error()))
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return
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}
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refundNo := fmt.Sprintf("R%s-%d", order.OrderNo, time.Now().Unix())
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refundID, status, err := wc.RefundOrder(ctx.RequestContext(), order.OrderNo, refundNo, req.Amount, order.ActualAmount, req.Reason)
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if err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160007, err.Error()))
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return
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}
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pr := &model.PaymentRefunds{
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OrderID: order.ID,
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OrderNo: order.OrderNo,
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RefundNo: refundNo,
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Channel: "wechat_jsapi",
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Status: status,
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AmountRefund: req.Amount,
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Reason: req.Reason,
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SuccessTime: time.Now(),
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Raw: func() string {
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b, _ := json.Marshal(map[string]any{"refund_id": refundID, "status": status})
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return string(b)
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}(),
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}
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if err := h.writeDB.PaymentRefunds.WithContext(ctx.RequestContext()).Create(pr); err != nil {
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ctx.AbortWithError(core.Error(http.StatusInternalServerError, 160009, err.Error()))
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return
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}
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// 更新订单状态为已退款
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if req.Amount == order.ActualAmount-refundedSumCents {
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_, err = h.writeDB.Orders.WithContext(ctx.RequestContext()).Where(h.writeDB.Orders.ID.Eq(order.ID)).Updates(map[string]any{
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h.writeDB.Orders.Status.ColumnName().String(): 4,
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h.writeDB.Orders.UpdatedAt.ColumnName().String(): time.Now(),
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})
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if err != nil {
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ctx.AbortWithError(core.Error(http.StatusInternalServerError, 160002, err.Error()))
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return
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}
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// 全额退款：恢复订单中使用的优惠券（优先使用结构化明细表）
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var cnt int64
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_ = h.repo.GetDbR().Raw("SELECT COUNT(*) FROM order_coupons WHERE order_id=?", order.ID).Scan(&cnt).Error
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if cnt > 0 {
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type ocRow struct {
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UserCouponID int64
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AppliedAmount int64
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}
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var rows []ocRow
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_ = h.repo.GetDbR().Raw("SELECT user_coupon_id, applied_amount FROM order_coupons WHERE order_id=?", order.ID).Scan(&rows).Error
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for _, r := range rows {
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if r.UserCouponID > 0 && r.AppliedAmount > 0 {
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_ = h.repo.GetDbW().Exec("UPDATE user_coupons SET balance_amount=COALESCE(balance_amount,0)+?, status=1, used_order_id=0, used_at=NULL WHERE id=? AND user_id=?", r.AppliedAmount, r.UserCouponID, order.UserID).Error
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}
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}
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}
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}
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// 记录积分按比例恢复（幂等增量）
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if order.PointsAmount > 0 {
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restores, _ := h.readDB.UserPointsLedger.WithContext(ctx.RequestContext()).ReadDB().Where(
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h.readDB.UserPointsLedger.RefTable.Eq("orders"),
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h.readDB.UserPointsLedger.RefID.Eq(order.OrderNo),
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h.readDB.UserPointsLedger.Action.Eq("refund_restore"),
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).Find()
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var restoredPointsSum int64
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for _, r := range restores {
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restoredPointsSum += r.Points
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}
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totalRefundedAfter := refundedSumCents + req.Amount
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if totalRefundedAfter > order.ActualAmount {
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totalRefundedAfter = order.ActualAmount
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}
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restoreCentsTarget := (order.PointsAmount * totalRefundedAfter) / order.ActualAmount
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restorePointsTarget := restoreCentsTarget / 100
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toAdd := restorePointsTarget - restoredPointsSum
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maxPoints := order.PointsAmount / 100
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if toAdd < 0 {
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toAdd = 0
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}
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if toAdd > (maxPoints - restoredPointsSum) {
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toAdd = maxPoints - restoredPointsSum
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}
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if toAdd > 0 {
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ledger := &model.UserPointsLedger{
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UserID: order.UserID,
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Action: "refund_restore",
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Points: toAdd,
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RefTable: "orders",
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RefID: order.OrderNo,
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Remark: req.Reason,
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}
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if err := h.writeDB.UserPointsLedger.WithContext(ctx.RequestContext()).Create(ledger); err != nil {
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ctx.AbortWithError(core.Error(http.StatusInternalServerError, 160003, err.Error()))
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return
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}
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}
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}
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// 记录退款金额
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amountLedger := &model.UserPointsLedger{
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UserID: order.UserID,
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Action: "refund_amount",
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Points: req.Amount / 100,
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RefTable: "payment_refund",
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RefID: refundID,
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Remark: req.Reason,
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}
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if err := h.writeDB.UserPointsLedger.WithContext(ctx.RequestContext()).Create(amountLedger); err != nil {
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ctx.AbortWithError(core.Error(http.StatusInternalServerError, 160004, err.Error()))
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return
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}
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rsp.OrderNo = order.OrderNo
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rsp.Status = "success"
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ctx.Payload(rsp)
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}
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}
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type listRefundsRequest struct {
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OrderNo string `form:"order_no"`
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Status string `form:"status"`
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Page int `form:"page"`
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Size int `form:"size"`
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}
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type listRefundsResponse struct {
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Total int64 `json:"total"`
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List []map[string]any `json:"list"`
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}
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func (h *handler) ListRefunds() core.HandlerFunc {
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return func(ctx core.Context) {
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req := new(listRefundsRequest)
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if err := ctx.ShouldBindQuery(req); err != nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, validation.Error(err)))
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return
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}
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if req.Page <= 0 {
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req.Page = 1
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}
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if req.Size <= 0 || req.Size > 100 {
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req.Size = 20
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}
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q := h.readDB.PaymentRefunds.WithContext(ctx.RequestContext()).ReadDB()
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if req.OrderNo != "" {
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q = q.Where(h.readDB.PaymentRefunds.OrderNo.Eq(req.OrderNo))
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}
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if req.Status != "" {
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q = q.Where(h.readDB.PaymentRefunds.Status.Eq(req.Status))
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}
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total, _ := q.Count()
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items, _ := q.Order(h.readDB.PaymentRefunds.ID.Desc()).Limit(req.Size).Offset((req.Page - 1) * req.Size).Find()
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var list []map[string]any
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for _, it := range items {
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list = append(list, map[string]any{
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"refund_no": it.RefundNo,
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"order_no": it.OrderNo,
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"status": it.Status,
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"channel": it.Channel,
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"amount_refund": it.AmountRefund,
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"reason": it.Reason,
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"created_at": it.CreatedAt,
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})
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}
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ctx.Payload(&listRefundsResponse{Total: total, List: list})
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}
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}
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type getRefundDetailResponse struct {
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Refund map[string]any `json:"refund"`
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Order map[string]any `json:"order"`
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}
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func (h *handler) GetRefundDetail() core.HandlerFunc {
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return func(ctx core.Context) {
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refundNo := ctx.Param("refund_no")
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if refundNo == "" {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, code.ParamBindError, "missing refund_no"))
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return
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}
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r, err := h.readDB.PaymentRefunds.WithContext(ctx.RequestContext()).Where(h.readDB.PaymentRefunds.RefundNo.Eq(refundNo)).First()
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if err != nil || r == nil {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160008, "refund not found"))
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return
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}
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o, _ := h.readDB.Orders.WithContext(ctx.RequestContext()).Where(h.readDB.Orders.OrderNo.Eq(r.OrderNo)).First()
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resp := &getRefundDetailResponse{
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Refund: map[string]any{
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"refund_no": r.RefundNo,
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"order_no": r.OrderNo,
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"status": r.Status,
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"channel": r.Channel,
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"amount_refund": r.AmountRefund,
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"reason": r.Reason,
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"created_at": r.CreatedAt,
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},
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Order: map[string]any{
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"order_no": func() string {
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if o != nil {
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return o.OrderNo
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}
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return ""
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}(),
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"user_id": func() int64 {
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if o != nil {
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return o.UserID
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}
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return 0
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}(),
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"status": func() int32 {
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if o != nil {
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return o.Status
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}
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return 0
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}(),
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"actual_amount": func() int64 {
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if o != nil {
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return o.ActualAmount
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}
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return 0
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}(),
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"points_amount": func() int64 {
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if o != nil {
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return o.PointsAmount
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}
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return 0
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}(),
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},
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}
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ctx.Payload(resp)
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}
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}
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