修改商详情页UI

sql/20260603_footprint_soft_delete_and_product_status.sql

@@ -0,0 +1,73 @@
+-- 足迹软删除兼容补丁
+-- 说明：
+-- 1. 商品上下架状态直接复用 public.ml_products.status
+--    1 = 上架
+--    2 = 下架
+--    3 = 草稿
+--    4 = 删除
+-- 2. 足迹表兼容两种历史命名：
+--    public.ml_user_footprints
+--    public.ml_browse_history
+
+DO $$
+DECLARE
+  target_table text;
+BEGIN
+  FOREACH target_table IN ARRAY ARRAY['ml_user_footprints', 'ml_browse_history']
+  LOOP
+    IF EXISTS (
+      SELECT 1
+      FROM information_schema.tables
+      WHERE table_schema = 'public'
+        AND table_name = target_table
+    ) THEN
+      EXECUTE format(
+        'ALTER TABLE public.%I ADD COLUMN IF NOT EXISTS deleted_at TIMESTAMPTZ',
+        target_table
+      );
+
+      EXECUTE format(
+        'COMMENT ON COLUMN public.%I.deleted_at IS %L',
+        target_table,
+        '软删除时间，NULL 表示有效足迹记录'
+      );
+
+      EXECUTE format(
+        'COMMENT ON COLUMN public.%I.updated_at IS %L',
+        target_table,
+        '最后浏览时间，足迹列表按该字段倒序展示'
+      );
+
+      EXECUTE format(
+        'CREATE INDEX IF NOT EXISTS %I ON public.%I (user_id, updated_at DESC) WHERE deleted_at IS NULL',
+        'idx_' || target_table || '_user_active',
+        target_table
+      );
+
+      EXECUTE format(
+        'CREATE INDEX IF NOT EXISTS %I ON public.%I (user_id, product_id) WHERE deleted_at IS NULL',
+        'idx_' || target_table || '_product_active',
+        target_table
+      );
+
+      IF EXISTS (
+        SELECT 1
+        FROM pg_policies
+        WHERE schemaname = 'public'
+          AND tablename = target_table
+          AND policyname = 'Users can update their own footprints'
+      ) THEN
+        EXECUTE format(
+          'DROP POLICY "Users can update their own footprints" ON public.%I',
+          target_table
+        );
+      END IF;
+
+      EXECUTE format(
+        'CREATE POLICY "Users can update their own footprints" ON public.%I FOR UPDATE USING (auth.uid() = user_id) WITH CHECK (auth.uid() = user_id)',
+        target_table
+      );
+    END IF;
+  END LOOP;
+END
+$$;