拆分商品模块服务和处理器职责

backend/internal/modules/listing/service_query.go

@@ -0,0 +1,47 @@
+package listing
+
+import (
+	"context"
+)
+
+func (s *Service) ListPublic(ctx context.Context, query PublicListQuery) (*PublicListResult, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.ListPublic(ctx, query)
+}
+
+func (s *Service) ListMine(ctx context.Context, ownerID uint64) ([]ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.ListMine(ctx, ownerID)
+}
+
+func (s *Service) FindPublic(ctx context.Context, id uint64) (*ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.FindPublic(ctx, id)
+}
+
+func (s *Service) FindPublicCoverKey(ctx context.Context, id uint64) (string, error) {
+	if s.repo == nil {
+		return "", ErrDependencyUnavailable
+	}
+	return s.repo.FindPublicCoverKey(ctx, id)
+}
+
+func (s *Service) FindPublicScreenshotKey(ctx context.Context, id uint64, index int) (string, error) {
+	if s.repo == nil {
+		return "", ErrDependencyUnavailable
+	}
+	return s.repo.FindPublicScreenshotKey(ctx, id, index)
+}
+
+func (s *Service) FindMine(ctx context.Context, ownerID uint64, id uint64) (*ListingDTO, error) {
+	if s.repo == nil {
+		return nil, ErrDependencyUnavailable
+	}
+	return s.repo.FindMine(ctx, ownerID, id)
+}