C端SKU数量小于等于1不展示chip

后端修复规格轴数据错乱显示问题

server/dukang-api/src/modules/catalog/catalog.service.ts

@@ -7,6 +7,7 @@ import {
 } from '../../common/test-whitelist/test-whitelist.service';
 import { groupResourcesByProductId, mapProductMedia } from './catalog.mapper';
 import {
+  catalogSpecPickerEnabled,
   flattenSkuOntoProduct,
   listMinOnSalePrice,
   mapSkuDto,
@@ -133,7 +134,7 @@ export class CatalogService {
           allowOnSitePickup: flat.allowOnSitePickup,
           allowOnlinePurchase: flat.allowOnlinePurchase,
           allowCrossCityDelivery: flat.allowCrossCityDelivery,
-          specEnabled: specAttrs.length > 0 || skus.length > 1,
+          specEnabled: catalogSpecPickerEnabled(skus, specAttrs.length),
           saleUnit: flat.saleUnit,
           ...media,
         };
@@ -196,7 +197,7 @@ export class CatalogService {
       allowOnlinePurchase: flat.allowOnlinePurchase,
       allowCrossCityDelivery: flat.allowCrossCityDelivery,
       saleUnit: flat.saleUnit,
-      specEnabled: specAttrs.length > 0 || skus.length > 1,
+      specEnabled: catalogSpecPickerEnabled(skus, specAttrs.length),
       specAttrs: mapSpecAttrsDto(specAttrs),
       skus: cSkus,
       defaultSkuId: defaultSku?.id.toString(),

server/dukang-api/src/modules/catalog/product-sku.util.ts

@@ -18,6 +18,14 @@ export function isSkuOnSale(sku: { status: string }): boolean {
   return sku.status === 'ON_SALE';
 }
 
+/** C 端是否展示规格选择：可售 SKU 多于 1 且已配规格轴 */
+export function catalogSpecPickerEnabled(
+  skus: Array<{ status: string }>,
+  specAttrCount: number,
+): boolean {
+  return skus.filter(isSkuOnSale).length > 1 && specAttrCount > 0;
+}
+
 export function buildSpecKey(valueIds: bigint[]): string {
   if (!valueIds.length) return '';
   return [...valueIds]