官网开发 0810

dashboard/backend/src/routes/www/sections.ts

@@ -1,5 +1,5 @@
 import { Router, type Request, type Response } from 'express';
-import { eq, and } from 'drizzle-orm';
+import { eq, and, max } from 'drizzle-orm';
 import { db } from '../../config/database.js';
 import { wwwSectionBlocks, wwwSpecGroups, wwwSpecItems } from '../../schemas/index.js';
 import logger from '../../config/logger.js';
@@ -77,6 +77,15 @@ router.post('/api/www/sections', async (req: Request, res: Response) => {
       return;
     }
 
+    // 未指定排序时，自动追加到同 page_type（及同产品）已有区块的最后，避免默认 0 导致乱序
+    let sortOrder = Number(b.sort_order) || 0;
+    if (b.sort_order === undefined || b.sort_order === null) {
+      const scope = [eq(wwwSectionBlocks.pageType, b.page_type)];
+      if (b.product_id) scope.push(eq(wwwSectionBlocks.productId, b.product_id));
+      const [agg] = await db.select({ max: max(wwwSectionBlocks.sortOrder) }).from(wwwSectionBlocks).where(and(...scope));
+      sortOrder = (agg?.max ?? -1) + 1;
+    }
+
     const result = await db.insert(wwwSectionBlocks).values({
       pageType: b.page_type,
       productId: b.product_id || null,
@@ -108,7 +117,7 @@ router.post('/api/www/sections', async (req: Request, res: Response) => {
       videoUrl: b.video_url || '',
       config: b.config || null,
       isVisible: b.is_visible !== undefined ? (b.is_visible ? 1 : 0) : 1,
-      sortOrder: b.sort_order || 0,
+      sortOrder,
     });
 
     const newId = result[0].insertId;