第 5 阶段：纠纷、通知与后台-4

backend/internal/modules/listing/service.go

@@ -45,6 +45,30 @@ func (s *Service) SubmitReview(ownerID uint64, id uint64) (*ListingDTO, error) {
 	return s.repo.SubmitReview(ownerID, id)
 }
 
+func (s *Service) ListPendingReview() ([]ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.ListPendingReview()
+}
+
+func (s *Service) Approve(id uint64) (*ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.Approve(id)
+}
+
+func (s *Service) Reject(id uint64, req ReviewRequest) (*ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	if req.Reason == "" {
+		return nil, ErrInvalidInput
+	}
+	return s.repo.Reject(id, req)
+}
+
 func (s *Service) Offline(ownerID uint64, id uint64) error {
 	if s.repo == nil {
 		return ErrDependencyUnavailable