修复平台代管订单流程

backend/internal/modules/order/service.go

@@ -6,29 +6,31 @@ import (
 )
 
 var (
-	ErrDependencyUnavailable   = errors.New("dependency unavailable")
-	ErrInvalidRentHours        = errors.New("invalid rent hours")
-	ErrListingUnavailable      = errors.New("listing unavailable")
-	ErrCannotRentOwnListing    = errors.New("cannot rent own listing")
-	ErrInsufficientBalance     = errors.New("insufficient balance")
-	ErrOrderCannotPay          = errors.New("order cannot pay")
-	ErrChannelPaymentRequired  = errors.New("channel payment required")
-	ErrOrderCannotCancel       = errors.New("order cannot cancel")
-	ErrOrderCannotHandoff      = errors.New("order cannot handoff")
-	ErrOrderCannotResetHandoff = errors.New("order cannot reset handoff")
-	ErrOrderCannotReceive      = errors.New("order cannot receive")
-	ErrOrderCannotReturn       = errors.New("order cannot return")
-	ErrOrderCannotComplete     = errors.New("order cannot complete")
-	ErrCheckoutCannotSubmit     = errors.New("checkout cannot submit")
-	ErrCheckoutCannotConfirm    = errors.New("checkout cannot confirm")
-	ErrCheckoutCannotCounter    = errors.New("checkout cannot counter")
-	ErrCheckoutMaxRounds        = errors.New("checkout max rounds reached")
-	ErrCheckoutDepositShortfall = errors.New("checkout deposit shortfall")
-	ErrInvalidCheckoutAmount    = errors.New("invalid checkout amount")
-	ErrPermissionDenied         = errors.New("permission denied")
-	ErrDepositCannotHold        = errors.New("deposit cannot hold")
-	ErrDepositNotHeld           = errors.New("deposit not held")
-	ErrDepositHoldAmountEmpty   = errors.New("deposit hold amount empty")
+	ErrDependencyUnavailable       = errors.New("dependency unavailable")
+	ErrInvalidRentHours            = errors.New("invalid rent hours")
+	ErrListingUnavailable          = errors.New("listing unavailable")
+	ErrCannotRentOwnListing        = errors.New("cannot rent own listing")
+	ErrInsufficientBalance         = errors.New("insufficient balance")
+	ErrOrderCannotPay              = errors.New("order cannot pay")
+	ErrChannelPaymentRequired      = errors.New("channel payment required")
+	ErrOrderCannotCancel           = errors.New("order cannot cancel")
+	ErrOrderCannotHandoff          = errors.New("order cannot handoff")
+	ErrOrderCannotResetHandoff     = errors.New("order cannot reset handoff")
+	ErrOrderCannotReceive          = errors.New("order cannot receive")
+	ErrOrderCannotReturn           = errors.New("order cannot return")
+	ErrOrderCannotComplete         = errors.New("order cannot complete")
+	ErrCheckoutCannotSubmit        = errors.New("checkout cannot submit")
+	ErrCheckoutCannotConfirm       = errors.New("checkout cannot confirm")
+	ErrCheckoutCannotCounter       = errors.New("checkout cannot counter")
+	ErrCheckoutMaxRounds           = errors.New("checkout max rounds reached")
+	ErrCheckoutDepositShortfall    = errors.New("checkout deposit shortfall")
+	ErrInvalidCheckoutAmount       = errors.New("invalid checkout amount")
+	ErrDisputeExists               = errors.New("dispute already exists")
+	ErrPermissionDenied            = errors.New("permission denied")
+	ErrDepositCannotHold           = errors.New("deposit cannot hold")
+	ErrDepositNotHeld              = errors.New("deposit not held")
+	ErrDepositHoldAmountEmpty      = errors.New("deposit hold amount empty")
+	ErrOfflineSettlementCannotMark = errors.New("offline settlement cannot mark")
 )
 
 const internalOrderHours = 24
@@ -221,6 +223,56 @@ func (s *Service) AdminResetHandoff(ctx context.Context, adminID uint64, orderID
 	return s.repo.AdminResetHandoff(ctx, adminID, orderID, req, meta)
 }
 
+func (s *Service) AdminPlatformHandoff(ctx context.Context, adminID uint64, orderID uint64, req PlatformHandoffRequest, meta AuditMeta) (*HandoffRecordDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if orderID == 0 || req.Content == "" || req.Reason == "" {
+		return nil, ErrOrderCannotHandoff
+	}
+	return s.repo.AdminPlatformHandoff(ctx, adminID, orderID, req, meta)
+}
+
+func (s *Service) AdminPlatformCheckoutConfirm(ctx context.Context, adminID uint64, orderID uint64, req AdminActionRequest, meta AuditMeta) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if orderID == 0 || req.Reason == "" {
+		return ErrCheckoutCannotConfirm
+	}
+	return s.repo.AdminPlatformCheckoutConfirm(ctx, adminID, orderID, req, meta)
+}
+
+func (s *Service) AdminPlatformCheckoutCounter(ctx context.Context, adminID uint64, orderID uint64, req CounterCheckoutRequest, meta AuditMeta) (*CheckoutDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if orderID == 0 || req.Reason == "" {
+		return nil, ErrCheckoutCannotCounter
+	}
+	return s.repo.AdminPlatformCheckoutCounter(ctx, adminID, orderID, req, meta)
+}
+
+func (s *Service) AdminPlatformCheckoutDispute(ctx context.Context, adminID uint64, orderID uint64, req AdminActionRequest, meta AuditMeta) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if orderID == 0 || req.Reason == "" {
+		return ErrCheckoutCannotCounter
+	}
+	return s.repo.AdminPlatformCheckoutDispute(ctx, adminID, orderID, req, meta)
+}
+
+func (s *Service) AdminMarkOfflineSettlement(ctx context.Context, adminID uint64, orderID uint64, req OfflineSettlementRequest, meta AuditMeta) error {
+	if s.repo == nil {
+		return ErrDependencyUnavailable
+	}
+	if orderID == 0 {
+		return ErrOfflineSettlementCannotMark
+	}
+	return s.repo.AdminMarkOfflineSettlement(ctx, adminID, orderID, req, meta)
+}
+
 func (s *Service) AdminHoldDeposit(ctx context.Context, adminID uint64, orderID uint64, req AdminActionRequest, meta AuditMeta) error {
 	if s.repo == nil {
 		return ErrDependencyUnavailable