414 lines
15 KiB
Go
414 lines
15 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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"regexp"
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"strconv"
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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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usersvc "bindbox-game/internal/service/user"
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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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// 检查订单状态，只有已支付的订单才能退款
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if order.Status != 2 {
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ctx.AbortWithError(core.Error(http.StatusBadRequest, 160010, "订单状态不允许退款"))
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return
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}
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// 预检查：检查是否有已兑换积分的资产
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allInvs, _ := h.readDB.UserInventory.WithContext(ctx.RequestContext()).Where(h.readDB.UserInventory.OrderID.Eq(order.ID)).Where(h.readDB.UserInventory.Status.In(1, 3)).Find()
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rePoints := regexp.MustCompile(`\|redeemed_points=(\d+)`)
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var refundedSumCents int64
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var isFullRefund bool
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// ⭐ 根据 ActualAmount 决定是否需要微信退款
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if order.ActualAmount == 0 {
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// ActualAmount=0：无需微信退款，直接标记为全额退款
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isFullRefund = true
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h.logger.Info(fmt.Sprintf("refund: ActualAmount=0, skip wechat refund: order=%s", order.OrderNo))
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} else {
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// ActualAmount>0：需要调用微信退款
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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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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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// 判断是否为全额退款
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isFullRefund = req.Amount == order.ActualAmount-refundedSumCents
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}
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// 更新订单状态为已退款（全额退款时）
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if isFullRefund {
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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（细化余额与状态逻辑）
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type ocRow struct {
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UserCouponID int64
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AppliedAmount int64
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DiscountType int32
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DiscountValue int64
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BalanceAmount int64
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}
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var rows []ocRow
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_ = h.repo.GetDbR().Raw("SELECT oc.user_coupon_id, oc.applied_amount, sc.discount_type, sc.discount_value, uc.balance_amount FROM order_coupons oc JOIN user_coupons uc ON uc.id=oc.user_coupon_id JOIN system_coupons sc ON sc.id=uc.coupon_id WHERE oc.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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newBal := r.BalanceAmount + r.AppliedAmount
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if r.DiscountType == 1 { // 直金额券：判断回退后是否全满
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if newBal >= r.DiscountValue {
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_ = h.repo.GetDbW().Exec("UPDATE user_coupons SET balance_amount=?, status=1, used_order_id=0, used_at=NULL WHERE id=?", r.DiscountValue, r.UserCouponID).Error
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newBal = r.DiscountValue
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} else {
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// 若金额未满，维持 status=2 (已使用/使用中)
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_ = h.repo.GetDbW().Exec("UPDATE user_coupons SET balance_amount=?, status=2 WHERE id=?", newBal, r.UserCouponID).Error
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}
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} else { // 满减/折扣券：一律恢复为未使用
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_ = h.repo.GetDbW().Exec("UPDATE user_coupons SET status=1, used_order_id=0, used_at=NULL WHERE id=?", r.UserCouponID).Error
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newBal = 0
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}
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// 记录流水
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ledger := &model.UserCouponLedger{
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UserID: order.UserID,
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UserCouponID: r.UserCouponID,
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ChangeAmount: r.AppliedAmount,
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BalanceAfter: newBal,
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OrderID: order.ID,
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Action: "refund_restore",
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CreatedAt: time.Now(),
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}
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_ = h.repo.GetDbW().Create(ledger).Error
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}
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}
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// 全额退款：回收中奖资产与奖品库存（包含已兑换积分的资产）
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svc := usersvc.New(h.logger, h.repo)
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var pointsShortage bool
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for _, inv := range allInvs {
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if inv.Status == 1 {
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// 状态1（持有）：更新状态为2 (作废)
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_ = h.repo.GetDbW().Exec("UPDATE user_inventory SET status=2, updated_at=NOW(3), remark=CONCAT(IFNULL(remark,''),'|refund_void') WHERE id=?", inv.ID).Error
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// 恢复奖品库存
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if inv.RewardID > 0 {
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_ = h.repo.GetDbW().Exec("UPDATE activity_reward_settings SET quantity = quantity + 1 WHERE id=?", inv.RewardID).Error
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}
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} else if inv.Status == 3 {
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// 状态3（已兑换）：扣除积分并作废
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matches := rePoints.FindStringSubmatch(inv.Remark)
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if len(matches) > 1 {
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p, _ := strconv.ParseInt(matches[1], 10, 64)
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if p > 0 {
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// 扣除积分（记录流水）- 使用柔性扣减
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_, consumed, err := svc.ConsumePointsForRefund(ctx.RequestContext(), order.UserID, p, "user_inventory", strconv.FormatInt(inv.ID, 10), "订单退款回收兑换积分")
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if err != nil {
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h.logger.Error(fmt.Sprintf("refund reclaim points failed: order=%s user=%d points=%d err=%v", order.OrderNo, order.UserID, p, err))
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}
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if consumed < p {
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pointsShortage = true
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}
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}
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}
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// 更新状态为2 (作废)
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_ = h.repo.GetDbW().Exec("UPDATE user_inventory SET status=2, updated_at=NOW(3), remark=CONCAT(IFNULL(remark,''),'|refund_reclaimed') WHERE id=?", inv.ID).Error
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// 恢复奖品库存
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if inv.RewardID > 0 {
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_ = h.repo.GetDbW().Exec("UPDATE activity_reward_settings SET quantity = quantity + 1 WHERE id=?", inv.RewardID).Error
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}
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}
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}
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// 如果扣减积分不足，将用户列入黑名单
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if pointsShortage {
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h.logger.Warn(fmt.Sprintf("[退款黑名单] 用户积分不足以回收已兑换资产，将其列入黑名单: user_id=%d, order_no=%s", order.UserID, order.OrderNo))
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_ = h.repo.GetDbW().Exec("UPDATE users SET status=? WHERE id=?", model.UserStatusBlacklist, order.UserID).Error
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}
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// 全额退款：取消待发货记录
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_ = h.repo.GetDbW().Exec("UPDATE shipping_records SET status=4, updated_at=NOW(3), remark=CONCAT(IFNULL(remark,''),'|refund_cancel') WHERE order_id=? AND status=1", order.ID).Error
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// 全额退款：回退道具卡（支持两种记录方式）
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var itemCardIDs []int64
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// 方式1：从 activity_draw_effects 表查询（无限赏等游戏类型）
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_ = h.repo.GetDbR().Raw("SELECT user_item_card_id FROM activity_draw_effects WHERE draw_log_id IN (SELECT id FROM activity_draw_logs WHERE order_id=?)", order.ID).Scan(&itemCardIDs).Error
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// 方式2：从 user_item_cards 表的 used_draw_log_id 直接查询（对对碰等游戏类型）
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var itemCardIDsFromItemCards []int64
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_ = h.repo.GetDbR().Raw("SELECT id FROM user_item_cards WHERE used_draw_log_id IN (SELECT id FROM activity_draw_logs WHERE order_id=?) AND status=2", order.ID).Scan(&itemCardIDsFromItemCards).Error
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// 合并去重
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idSet := make(map[int64]struct{})
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for _, icID := range itemCardIDs {
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if icID > 0 {
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idSet[icID] = struct{}{}
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}
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}
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for _, icID := range itemCardIDsFromItemCards {
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if icID > 0 {
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idSet[icID] = struct{}{}
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}
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}
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// 执行退还
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for icID := range idSet {
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_ = h.repo.GetDbW().Exec("UPDATE user_item_cards SET status=1, used_at=NULL, used_draw_log_id=0, used_activity_id=0, used_issue_id=0, updated_at=NOW(3) WHERE id=?", icID).Error
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}
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// 全额退款：回退次数卡（user_game_passes）
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// 解析订单 remark 中的 game_pass:xxx ID
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reGamePass := regexp.MustCompile(`game_pass:(\d+)`)
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gamePassMatches := reGamePass.FindStringSubmatch(order.Remark)
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if len(gamePassMatches) > 1 {
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gamePassID, _ := strconv.ParseInt(gamePassMatches[1], 10, 64)
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if gamePassID > 0 {
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// 恢复次数卡：remaining +1, total_used -1
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if err := h.repo.GetDbW().Exec("UPDATE user_game_passes SET remaining = remaining + 1, total_used = GREATEST(total_used - 1, 0), updated_at = NOW(3) WHERE id = ?", gamePassID).Error; err != nil {
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h.logger.Error(fmt.Sprintf("refund restore game_pass failed: order=%s game_pass_id=%d err=%v", order.OrderNo, gamePassID, err))
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} else {
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h.logger.Info(fmt.Sprintf("refund restore game_pass success: order=%s game_pass_id=%d", order.OrderNo, gamePassID))
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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）- 仅对 ActualAmount > 0 的订单执行
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if order.PointsAmount > 0 && order.ActualAmount > 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
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toAdd := restorePointsTarget - restoredPointsSum
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maxPoints := order.PointsAmount
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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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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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}
|
||
return 0
|
||
}(),
|
||
},
|
||
}
|
||
ctx.Payload(resp)
|
||
}
|
||
}
|