365 lines
12 KiB
Go
365 lines
12 KiB
Go
package dispute
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"log"
|
|
"time"
|
|
|
|
"hfb_sys/backend/internal/listingstatus"
|
|
"hfb_sys/backend/internal/model"
|
|
"hfb_sys/backend/internal/modules/notification"
|
|
"hfb_sys/backend/internal/modules/wallet"
|
|
"hfb_sys/backend/pkg/money"
|
|
|
|
"gorm.io/gorm"
|
|
"gorm.io/gorm/clause"
|
|
)
|
|
|
|
func (r *Repository) Arbitrate(ctx context.Context, adminID uint64, id uint64, req ArbitrateRequest, meta AuditMeta) (*DisputeDTO, error) {
|
|
var refund *refundAction
|
|
err := r.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
|
|
var row model.Dispute
|
|
if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&row, id).Error; err != nil {
|
|
return err
|
|
}
|
|
if row.Status != "open" && row.Status != "processing" {
|
|
return ErrDisputeCannotHandle
|
|
}
|
|
var order model.RentalOrder
|
|
if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&order, row.OrderID).Error; err != nil {
|
|
return err
|
|
}
|
|
var listing model.RentalListing
|
|
if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&listing, order.ListingID).Error; err != nil {
|
|
return err
|
|
}
|
|
var account model.GameAccount
|
|
if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).First(&account, order.AccountID).Error; err != nil {
|
|
return err
|
|
}
|
|
beforeOrderStatus := order.Status
|
|
beforeHandoffStatus := order.HandoffStatus
|
|
beforeSettlementStatus := order.SettlementStatus
|
|
beforeListingStatus := listing.Status
|
|
beforeAccountStatus := account.Status
|
|
frozenBalance, err := renterFrozenBalance(tx, order.RenterID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
settlement, err := buildArbitrationSettlement(order, req, frozenBalance)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
now := time.Now()
|
|
row.Status = "resolved"
|
|
row.ArbitrationResult = req.Result
|
|
row.ArbitrationRemark = req.Remark
|
|
row.HandledBy = &adminID
|
|
row.HandledAt = &now
|
|
order.Status = arbitrateOrderStatus(req.Result)
|
|
order.SettlementStatus = "arbitrated"
|
|
order.SettledAt = &now
|
|
order.OwnerSettledAt = &now
|
|
if order.HandoffStatus != "cancelled" && order.HandoffStatus != "returned" {
|
|
order.HandoffStatus = "arbitrated"
|
|
}
|
|
if req.Result == "mark_abnormal" {
|
|
listing.Status = "abnormal"
|
|
listing.InTransaction = false
|
|
listing.PublishedAt = nil
|
|
account.Status = "abnormal"
|
|
} else {
|
|
// 仲裁会终结当前订单，账号统一归档下架，避免已结案账号重新出现在公开列表。
|
|
listing.Status = "offline"
|
|
listing.InTransaction = false
|
|
listing.PublishedAt = nil
|
|
account.Status = "offline"
|
|
}
|
|
if err := listingstatus.AppendTransition(
|
|
tx,
|
|
&listing,
|
|
beforeListingStatus,
|
|
listingstatus.SourceDispute,
|
|
listingstatus.ActorAdmin,
|
|
adminID,
|
|
"仲裁结案",
|
|
); err != nil {
|
|
return err
|
|
}
|
|
if err := wallet.AppendEntries(tx, settlement.Entries...); err != nil {
|
|
return err
|
|
}
|
|
// 押金暂扣：若订单被暂扣，则把本次退款中的押金部分挂起不退，仅退还剩余部分。
|
|
refundAmountCent := order.ApplyDepositHold(settlement.RenterRefundAmountCent, settlement.RenterDepositRefundCent)
|
|
if refundAmountCent > 0 {
|
|
action, err := r.prepareRefund(&order, refundAmountCent, "arbitration_refund", "仲裁退款原路退还")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
refund = action
|
|
}
|
|
if err := tx.Save(&row).Error; err != nil {
|
|
return err
|
|
}
|
|
if err := tx.Save(&order).Error; err != nil {
|
|
return err
|
|
}
|
|
if err := tx.Save(&listing).Error; err != nil {
|
|
return err
|
|
}
|
|
if err := tx.Save(&account).Error; err != nil {
|
|
return err
|
|
}
|
|
handoffRecord := model.HandoffRecord{
|
|
OrderID: order.ID,
|
|
FromUserID: adminID,
|
|
ToUserID: order.RenterID,
|
|
Type: "admin_arbitration",
|
|
Content: buildArbitrationHandoffContent(req, settlement),
|
|
}
|
|
if err := tx.Create(&handoffRecord).Error; err != nil {
|
|
return err
|
|
}
|
|
disputeID := row.ID
|
|
if err := appendAuditLog(tx, adminID, "dispute.arbitrate", "dispute", row.ID, meta, map[string]any{
|
|
"dispute_id": row.ID,
|
|
"order_id": order.ID,
|
|
"order_no": order.OrderNo,
|
|
"result": req.Result,
|
|
"remark": req.Remark,
|
|
"input_amount_cent": req.AmountCent,
|
|
"renter_refund_amount_cent": settlement.RenterRefundAmountCent,
|
|
"owner_income_amount_cent": settlement.OwnerIncomeAmountCent,
|
|
"deposit_deduct_amount_cent": settlement.DepositDeductAmountCent,
|
|
"before_order_status": beforeOrderStatus,
|
|
"after_order_status": order.Status,
|
|
"before_handoff_status": beforeHandoffStatus,
|
|
"after_handoff_status": order.HandoffStatus,
|
|
"before_settlement_status": beforeSettlementStatus,
|
|
"after_settlement_status": order.SettlementStatus,
|
|
"before_listing_status": beforeListingStatus,
|
|
"after_listing_status": listing.Status,
|
|
"before_account_status": beforeAccountStatus,
|
|
"after_account_status": account.Status,
|
|
}); err != nil {
|
|
return err
|
|
}
|
|
if err := notification.Append(tx,
|
|
notification.Entry{
|
|
UserID: order.RenterID,
|
|
Type: "arbitration",
|
|
Title: "申诉仲裁已完成",
|
|
Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
|
|
BizType: "dispute",
|
|
BizID: &disputeID,
|
|
},
|
|
notification.Entry{
|
|
UserID: order.OwnerID,
|
|
Type: "arbitration",
|
|
Title: "申诉仲裁已完成",
|
|
Content: "客服已给出仲裁结果，请在订单和申诉记录中查看处理说明。",
|
|
BizType: "dispute",
|
|
BizID: &disputeID,
|
|
},
|
|
); err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
r.startRefundBestEffort(ctx, refund)
|
|
var row disputeRow
|
|
if err := r.baseQuery(ctx).Where("d.id = ?", id).First(&row).Error; err != nil {
|
|
return nil, err
|
|
}
|
|
dto := row.toDTO()
|
|
return &dto, nil
|
|
}
|
|
|
|
type arbitrationSettlement struct {
|
|
Entries []wallet.Entry
|
|
RenterRefundAmountCent int64
|
|
RenterDepositRefundCent int64
|
|
OwnerIncomeAmountCent int64
|
|
DepositDeductAmountCent int64
|
|
}
|
|
|
|
func buildArbitrationSettlement(order model.RentalOrder, req ArbitrateRequest, renterFrozenBalanceCent int64) (arbitrationSettlement, error) {
|
|
rentAmountCent := order.RentAmountCent
|
|
depositAmountCent := order.DepositAmountCent
|
|
ownerRentAmountCent := order.OwnerRentAmountCent
|
|
if ownerRentAmountCent <= 0 || ownerRentAmountCent > rentAmountCent {
|
|
ownerRentAmountCent = rentAmountCent
|
|
}
|
|
totalCent := rentAmountCent + depositAmountCent
|
|
settlement := arbitrationSettlement{}
|
|
orderID := order.ID
|
|
releaseFrozenAmountCent := money.MinCent(totalCent, renterFrozenBalanceCent)
|
|
if releaseFrozenAmountCent > 0 {
|
|
settlement.Entries = append(settlement.Entries, wallet.Entry{
|
|
UserID: order.RenterID,
|
|
OrderID: &orderID,
|
|
Direction: "out",
|
|
AmountCent: releaseFrozenAmountCent,
|
|
BalanceType: "frozen",
|
|
BizType: "arbitration_release_frozen",
|
|
BizNo: order.OrderNo,
|
|
Remark: "仲裁释放冻结金额",
|
|
})
|
|
}
|
|
|
|
addRenterRefund := func(amountCent int64, remark string) {
|
|
if amountCent <= 0 {
|
|
return
|
|
}
|
|
settlement.RenterRefundAmountCent += amountCent
|
|
}
|
|
addOwnerIncome := func(amountCent int64, remark string) {
|
|
if amountCent <= 0 {
|
|
return
|
|
}
|
|
settlement.OwnerIncomeAmountCent += amountCent
|
|
settlement.Entries = append(settlement.Entries, wallet.Entry{
|
|
UserID: order.OwnerID,
|
|
OrderID: &orderID,
|
|
Direction: "in",
|
|
AmountCent: amountCent,
|
|
BalanceType: "available",
|
|
BizType: "arbitration_owner_income",
|
|
BizNo: order.OrderNo,
|
|
Remark: remark,
|
|
})
|
|
}
|
|
|
|
switch req.Result {
|
|
case "full_refund":
|
|
addRenterRefund(totalCent, "仲裁全额退款")
|
|
settlement.RenterDepositRefundCent = depositAmountCent
|
|
case "partial_refund":
|
|
if req.AmountCent <= 0 || req.AmountCent > totalCent {
|
|
return settlement, ErrInvalidDispute
|
|
}
|
|
addRenterRefund(req.AmountCent, "仲裁部分退款")
|
|
// 部分退款为合并金额，无法精确拆分租金/押金，按押金优先归类以便暂扣。
|
|
settlement.RenterDepositRefundCent = money.MinCent(req.AmountCent, depositAmountCent)
|
|
addOwnerIncome(money.MinCent(totalCent-req.AmountCent, ownerRentAmountCent+depositAmountCent), "仲裁剩余金额结算给号主")
|
|
case "release_deposit":
|
|
addOwnerIncome(ownerRentAmountCent, "仲裁确认订单金额结算给号主")
|
|
addRenterRefund(depositAmountCent, "仲裁释放押金给租客")
|
|
settlement.RenterDepositRefundCent = depositAmountCent
|
|
case "deduct_deposit", "compensate_owner":
|
|
deductAmountCent := req.AmountCent
|
|
if deductAmountCent <= 0 {
|
|
deductAmountCent = depositAmountCent
|
|
}
|
|
if deductAmountCent > depositAmountCent {
|
|
return settlement, ErrInvalidDispute
|
|
}
|
|
settlement.DepositDeductAmountCent = deductAmountCent
|
|
addOwnerIncome(ownerRentAmountCent+deductAmountCent, "仲裁订单金额及押金赔付结算给号主")
|
|
addRenterRefund(depositAmountCent-deductAmountCent, "仲裁退回剩余押金给租客")
|
|
settlement.RenterDepositRefundCent = depositAmountCent - deductAmountCent
|
|
case "order_close":
|
|
// Only release frozen funds. No available-balance settlement happens in development mode.
|
|
case "mark_abnormal":
|
|
// 标记异常只释放冻结账务，后续由客服继续线下复核。
|
|
default:
|
|
return settlement, ErrInvalidDispute
|
|
}
|
|
return settlement, nil
|
|
}
|
|
|
|
func (r *Repository) prepareRefund(order *model.RentalOrder, amountCent int64, bizType string, remark string) (*refundAction, error) {
|
|
if amountCent <= 0 {
|
|
return nil, nil
|
|
}
|
|
if r.refundStarter == nil {
|
|
return nil, ErrDependencyUnavailable
|
|
}
|
|
order.RefundStatus = "pending"
|
|
order.RefundAmountCent = amountCent
|
|
order.RefundedAt = nil
|
|
return &refundAction{
|
|
OrderID: order.ID,
|
|
RefundAmountCent: amountCent,
|
|
BizType: bizType,
|
|
Remark: remark,
|
|
}, nil
|
|
}
|
|
|
|
func (r *Repository) startRefundBestEffort(ctx context.Context, action *refundAction) {
|
|
if action == nil || r.refundStarter == nil {
|
|
return
|
|
}
|
|
if _, err := r.refundStarter.StartRefund(ctx, action.OrderID, action.RefundAmountCent, action.BizType, action.Remark); err != nil {
|
|
log.Printf("[dispute] start refund failed order_id=%d biz_type=%s amount_cent=%d err=%v", action.OrderID, action.BizType, action.RefundAmountCent, err)
|
|
}
|
|
}
|
|
|
|
func renterFrozenBalance(tx *gorm.DB, renterID uint64) (int64, error) {
|
|
var account model.WalletAccount
|
|
err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).
|
|
Where("user_id = ?", renterID).
|
|
First(&account).Error
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|
return 0, nil
|
|
}
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return account.FrozenBalanceCent, nil
|
|
}
|
|
|
|
func arbitrateOrderStatus(result string) string {
|
|
switch result {
|
|
case "full_refund", "partial_refund", "order_close":
|
|
return "closed"
|
|
case "mark_abnormal":
|
|
return "abnormal"
|
|
default:
|
|
return "completed"
|
|
}
|
|
}
|
|
|
|
func buildArbitrationHandoffContent(req ArbitrateRequest, settlement arbitrationSettlement) string {
|
|
content := fmt.Sprintf("客服仲裁结果：%s", arbitrationResultLabel(req.Result))
|
|
if req.Remark != "" {
|
|
content += "\n处理说明：" + req.Remark
|
|
}
|
|
if settlement.RenterRefundAmountCent > 0 {
|
|
content += "\n退款给租客：" + money.FormatWithSymbol(settlement.RenterRefundAmountCent)
|
|
}
|
|
if settlement.OwnerIncomeAmountCent > 0 {
|
|
content += "\n结算给号主：" + money.FormatWithSymbol(settlement.OwnerIncomeAmountCent)
|
|
}
|
|
if settlement.DepositDeductAmountCent > 0 {
|
|
content += "\n押金赔付扣除：" + money.FormatWithSymbol(settlement.DepositDeductAmountCent)
|
|
}
|
|
return content
|
|
}
|
|
|
|
func arbitrationResultLabel(result string) string {
|
|
switch result {
|
|
case "full_refund":
|
|
return "全额退款"
|
|
case "partial_refund":
|
|
return "部分退款"
|
|
case "deduct_deposit":
|
|
return "扣押金"
|
|
case "release_deposit":
|
|
return "释放押金"
|
|
case "compensate_owner":
|
|
return "赔付号主"
|
|
case "order_close":
|
|
return "关闭订单"
|
|
case "mark_abnormal":
|
|
return "标记异常"
|
|
default:
|
|
return result
|
|
}
|
|
}
|