Initial commit of akmon project

2026-01-20 08:04:15 +08:00
commit 77a2bab985
1309 changed files with 343305 additions and 0 deletions
--- a/doc_mall/database/mall_seo_security.sql
+++ b/doc_mall/database/mall_seo_security.sql
@@ -0,0 +1,666 @@
+-- =====================================================================================
+-- 商城系统 SEO 优化和安全策略脚本
+-- 用途: 为商城系统添加 SEO 优化函数和 RLS 安全策略
+-- 前置条件: 需要先执行 mall_migration.sql
+-- =====================================================================================
+
+-- =====================================================================================
+-- 1. SEO 优化相关函数
+-- =====================================================================================
+
+-- 根据 cid 获取商品信息 (SEO 友好)
+CREATE OR REPLACE FUNCTION public.get_product_by_cid(p_cid INTEGER)
+RETURNS TABLE (
+    id UUID,
+    cid INTEGER,
+    name VARCHAR,
+    slug VARCHAR,
+    description TEXT,
+    main_image_url TEXT,
+    base_price DECIMAL,
+    rating_avg DECIMAL,
+    sale_count INTEGER,
+    category_name VARCHAR,
+    brand_name VARCHAR,
+    shop_name VARCHAR
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT 
+        p.id,
+        p.cid,
+        p.name,
+        p.slug,
+        p.description,
+        p.main_image_url,
+        p.base_price,
+        p.rating_avg,
+        p.sale_count,
+        c.name as category_name,
+        b.name as brand_name,
+        s.shop_name
+    FROM public.ml_products p
+    LEFT JOIN public.ml_categories c ON p.category_id = c.id
+    LEFT JOIN public.ml_brands b ON p.brand_id = b.id
+    LEFT JOIN public.ml_shops s ON p.merchant_id = s.merchant_id
+    WHERE p.cid = p_cid AND p.status = 1;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 根据 cid 获取分类信息 (SEO 友好)
+CREATE OR REPLACE FUNCTION public.get_category_by_cid(p_cid INTEGER)
+RETURNS TABLE (
+    id UUID,
+    cid INTEGER,
+    name VARCHAR,
+    slug VARCHAR,
+    description TEXT,
+    icon_url TEXT,
+    path TEXT[]
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT 
+        c.id,
+        c.cid,
+        c.name,
+        c.slug,
+        c.description,
+        c.icon_url,
+        c.path
+    FROM public.ml_categories c
+    WHERE c.cid = p_cid AND c.is_active = TRUE;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 根据 cid 获取品牌信息 (SEO 友好)
+CREATE OR REPLACE FUNCTION public.get_brand_by_cid(p_cid INTEGER)
+RETURNS TABLE (
+    id UUID,
+    cid INTEGER,
+    name VARCHAR,
+    logo_url TEXT,
+    description TEXT
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT 
+        b.id,
+        b.cid,
+        b.name,
+        b.logo_url,
+        b.description
+    FROM public.ml_brands b
+    WHERE b.cid = p_cid AND b.is_active = TRUE;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 根据 cid 获取店铺信息 (SEO 友好)
+CREATE OR REPLACE FUNCTION public.get_shop_by_cid(p_cid INTEGER)
+RETURNS TABLE (
+    id UUID,
+    cid INTEGER,
+    shop_name VARCHAR,
+    description TEXT,
+    shop_logo TEXT,
+    rating_avg DECIMAL,
+    product_count INTEGER
+) AS $$
+BEGIN
+    RETURN QUERY
+    SELECT 
+        s.id,
+        s.cid,
+        s.shop_name,
+        s.description,
+        s.shop_logo,
+        s.rating_avg,
+        s.product_count
+    FROM public.ml_shops s
+    WHERE s.cid = p_cid AND s.status = 1;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 生成 SEO 友好的 URL 路径
+CREATE OR REPLACE FUNCTION public.generate_seo_url(
+    p_type VARCHAR, -- 'product', 'category', 'brand', 'shop'
+    p_cid INTEGER,
+    p_slug VARCHAR DEFAULT NULL
+)
+RETURNS TEXT AS $$
+DECLARE
+    url_path TEXT;
+BEGIN
+    CASE p_type
+        WHEN 'product' THEN
+            url_path := '/product/' || p_cid;
+            IF p_slug IS NOT NULL THEN
+                url_path := url_path || '/' || p_slug;
+            END IF;
+        WHEN 'category' THEN
+            url_path := '/category/' || p_cid;
+            IF p_slug IS NOT NULL THEN
+                url_path := url_path || '/' || p_slug;
+            END IF;
+        WHEN 'brand' THEN
+            url_path := '/brand/' || p_cid;
+            IF p_slug IS NOT NULL THEN
+                url_path := url_path || '/' || p_slug;
+            END IF;
+        WHEN 'shop' THEN
+            url_path := '/shop/' || p_cid;
+            IF p_slug IS NOT NULL THEN
+                url_path := url_path || '/' || p_slug;
+            END IF;
+        ELSE
+            url_path := '/' || p_type || '/' || p_cid;
+    END CASE;
+    
+    RETURN url_path;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 批量更新 slug 字段（用于现有数据）
+CREATE OR REPLACE FUNCTION public.update_seo_slugs()
+RETURNS VOID AS $$
+BEGIN
+    -- 更新商品 slug
+    UPDATE public.ml_products 
+    SET slug = LOWER(REGEXP_REPLACE(name, '[^a-zA-Z0-9\u4e00-\u9fa5]+', '-', 'g'))
+    WHERE slug IS NULL OR slug = '';
+    
+    -- 更新分类 slug  
+    UPDATE public.ml_categories 
+    SET slug = LOWER(REGEXP_REPLACE(name, '[^a-zA-Z0-9\u4e00-\u9fa5]+', '-', 'g'))
+    WHERE slug IS NULL OR slug = '';
+    
+    RAISE NOTICE 'SEO slugs updated successfully';
+END;
+$$ LANGUAGE plpgsql;
+
+-- =====================================================================================
+-- 2. 商业逻辑函数
+-- =====================================================================================
+
+-- 计算购物车总金额
+CREATE OR REPLACE FUNCTION public.calculate_cart_total(p_user_id UUID)
+RETURNS DECIMAL AS $$
+DECLARE
+    total_amount DECIMAL := 0;
+BEGIN
+    SELECT COALESCE(SUM(
+        CASE 
+            WHEN s.id IS NOT NULL THEN s.price * c.quantity
+            ELSE p.base_price * c.quantity
+        END
+    ), 0) INTO total_amount
+    FROM public.ml_shopping_cart c
+    LEFT JOIN public.ml_product_skus s ON c.sku_id = s.id
+    LEFT JOIN public.ml_products p ON c.product_id = p.id
+    WHERE c.user_id = p_user_id 
+      AND c.selected = TRUE
+      AND p.status = 1 
+      AND (s.id IS NULL OR s.status = 1);
+    
+    RETURN total_amount;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 获取商品可用库存
+CREATE OR REPLACE FUNCTION public.get_product_available_stock(p_product_id UUID, p_sku_id UUID DEFAULT NULL)
+RETURNS INTEGER AS $$
+DECLARE
+    stock_count INTEGER := 0;
+BEGIN
+    IF p_sku_id IS NOT NULL THEN
+        -- 获取特定SKU库存
+        SELECT COALESCE(stock, 0) INTO stock_count
+        FROM public.ml_product_skus
+        WHERE id = p_sku_id AND product_id = p_product_id AND status = 1;
+    ELSE
+        -- 获取商品总库存
+        SELECT COALESCE(available_stock, 0) INTO stock_count
+        FROM public.ml_products
+        WHERE id = p_product_id AND status = 1;
+    END IF;
+    
+    RETURN stock_count;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 商品库存更新触发器函数
+CREATE OR REPLACE FUNCTION public.update_product_stock()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- 更新商品总库存
+    IF TG_OP = 'DELETE' THEN
+        UPDATE public.ml_products 
+        SET 
+            total_stock = (
+                SELECT COALESCE(SUM(stock), 0) 
+                FROM public.ml_product_skus 
+                WHERE product_id = OLD.product_id AND status = 1
+            ),
+            available_stock = (
+                SELECT COALESCE(SUM(stock), 0) 
+                FROM public.ml_product_skus 
+                WHERE product_id = OLD.product_id AND status = 1
+            )
+        WHERE id = OLD.product_id;
+        RETURN OLD;
+    ELSE
+        UPDATE public.ml_products 
+        SET 
+            total_stock = (
+                SELECT COALESCE(SUM(stock), 0) 
+                FROM public.ml_product_skus 
+                WHERE product_id = NEW.product_id AND status = 1
+            ),
+            available_stock = (
+                SELECT COALESCE(SUM(stock), 0) 
+                FROM public.ml_product_skus 
+                WHERE product_id = NEW.product_id AND status = 1
+            )
+        WHERE id = NEW.product_id;
+        RETURN NEW;
+    END IF;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 订单状态变更时的处理
+CREATE OR REPLACE FUNCTION public.handle_order_status_change()
+RETURNS TRIGGER AS $$
+BEGIN
+    -- 如果订单状态变为已付款
+    IF NEW.order_status = 2 AND (OLD.order_status IS NULL OR OLD.order_status = 1) THEN
+        NEW.paid_at = NOW();
+    END IF;
+    
+    -- 如果订单状态变为已发货
+    IF NEW.order_status = 3 AND OLD.order_status = 2 THEN
+        NEW.shipped_at = NOW();
+    END IF;
+    
+    -- 如果订单状态变为已完成
+    IF NEW.order_status = 4 AND OLD.order_status = 3 THEN
+        NEW.delivered_at = NOW();
+        NEW.completed_at = NOW();
+        
+        -- 更新商品销量
+        UPDATE public.ml_products 
+        SET sale_count = sale_count + (
+            SELECT SUM(quantity) 
+            FROM public.ml_order_items 
+            WHERE order_id = NEW.id
+        ) 
+        WHERE id IN (
+            SELECT product_id 
+            FROM public.ml_order_items 
+            WHERE order_id = NEW.id
+        );
+    END IF;
+    
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+-- 创建库存更新触发器
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_trigger WHERE tgname = 'trigger_ml_update_product_stock') THEN
+        CREATE TRIGGER trigger_ml_update_product_stock
+            AFTER INSERT OR UPDATE OR DELETE ON public.ml_product_skus
+            FOR EACH ROW EXECUTE FUNCTION public.update_product_stock();
+    END IF;
+END $$;
+
+-- 创建订单状态变更触发器
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_trigger WHERE tgname = 'trigger_ml_order_status_change') THEN
+        CREATE TRIGGER trigger_ml_order_status_change
+            BEFORE UPDATE ON public.ml_orders
+            FOR EACH ROW EXECUTE FUNCTION public.handle_order_status_change();
+    END IF;
+END $$;
+
+-- =====================================================================================
+-- 3. 创建详细视图
+-- =====================================================================================
+
+-- 商品详情视图
+CREATE OR REPLACE VIEW public.ml_products_detail_view AS
+SELECT 
+    p.*,
+    c.cid as category_cid,
+    c.name as category_name,
+    c.path as category_path,
+    b.cid as brand_cid,
+    b.name as brand_name,
+    s.cid as shop_cid,
+    s.shop_name,
+    u.username as merchant_name,
+    CASE 
+        WHEN p.status = 1 THEN '上架'
+        WHEN p.status = 2 THEN '下架'
+        WHEN p.status = 3 THEN '草稿'
+        WHEN p.status = 4 THEN '删除'
+        ELSE '未知'
+    END as status_name
+FROM public.ml_products p
+LEFT JOIN public.ml_categories c ON p.category_id = c.id
+LEFT JOIN public.ml_brands b ON p.brand_id = b.id
+LEFT JOIN public.ml_shops s ON p.merchant_id = s.merchant_id
+LEFT JOIN public.ak_users u ON p.merchant_id = u.id;
+
+COMMENT ON VIEW public.ml_products_detail_view IS '商品详情视图';
+
+-- 订单详情视图
+CREATE OR REPLACE VIEW public.ml_orders_detail_view AS
+SELECT 
+    o.*,
+    u.username as customer_name,
+    u.phone as customer_phone,
+    m.username as merchant_name,
+    s.shop_name,
+    CASE 
+        WHEN o.order_status = 1 THEN '待付款'
+        WHEN o.order_status = 2 THEN '待发货'
+        WHEN o.order_status = 3 THEN '待收货'
+        WHEN o.order_status = 4 THEN '已完成'
+        WHEN o.order_status = 5 THEN '已取消'
+        WHEN o.order_status = 6 THEN '退款中'
+        WHEN o.order_status = 7 THEN '已退款'
+        ELSE '未知'
+    END as order_status_name,
+    CASE 
+        WHEN o.payment_status = 1 THEN '未付款'
+        WHEN o.payment_status = 2 THEN '已付款'
+        WHEN o.payment_status = 3 THEN '部分退款'
+        WHEN o.payment_status = 4 THEN '全额退款'
+        ELSE '未知'
+    END as payment_status_name
+FROM public.ml_orders o
+LEFT JOIN public.ak_users u ON o.user_id = u.id
+LEFT JOIN public.ak_users m ON o.merchant_id = m.id
+LEFT JOIN public.ml_shops s ON o.merchant_id = s.merchant_id;
+
+COMMENT ON VIEW public.ml_orders_detail_view IS '订单详情视图';
+
+-- =====================================================================================
+-- 4. RLS (Row Level Security) 策略
+-- =====================================================================================
+
+-- 启用 RLS
+ALTER TABLE public.ml_user_profiles ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_user_addresses ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_shopping_cart ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_user_favorites ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_browse_history ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_user_coupons ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_orders ENABLE ROW LEVEL SECURITY;
+ALTER TABLE public.ml_products ENABLE ROW LEVEL SECURITY;
+
+-- 用户档案策略：用户只能访问自己的数据
+DO $$
+BEGIN
+    -- 删除可能存在的策略
+    DROP POLICY IF EXISTS ml_user_profiles_select_policy ON public.ml_user_profiles;
+    DROP POLICY IF EXISTS ml_user_profiles_insert_policy ON public.ml_user_profiles;
+    DROP POLICY IF EXISTS ml_user_profiles_update_policy ON public.ml_user_profiles;
+    DROP POLICY IF EXISTS ml_user_profiles_delete_policy ON public.ml_user_profiles;
+    
+    -- 创建新策略
+    CREATE POLICY ml_user_profiles_select_policy ON public.ml_user_profiles
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_profiles_insert_policy ON public.ml_user_profiles
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_profiles_update_policy ON public.ml_user_profiles
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_profiles_delete_policy ON public.ml_user_profiles
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- 用户地址策略
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_user_addresses_select_policy ON public.ml_user_addresses;
+    DROP POLICY IF EXISTS ml_user_addresses_insert_policy ON public.ml_user_addresses;
+    DROP POLICY IF EXISTS ml_user_addresses_update_policy ON public.ml_user_addresses;
+    DROP POLICY IF EXISTS ml_user_addresses_delete_policy ON public.ml_user_addresses;
+    
+    CREATE POLICY ml_user_addresses_select_policy ON public.ml_user_addresses
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_addresses_insert_policy ON public.ml_user_addresses
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_addresses_update_policy ON public.ml_user_addresses
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_addresses_delete_policy ON public.ml_user_addresses
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- 购物车策略
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_shopping_cart_select_policy ON public.ml_shopping_cart;
+    DROP POLICY IF EXISTS ml_shopping_cart_insert_policy ON public.ml_shopping_cart;
+    DROP POLICY IF EXISTS ml_shopping_cart_update_policy ON public.ml_shopping_cart;
+    DROP POLICY IF EXISTS ml_shopping_cart_delete_policy ON public.ml_shopping_cart;
+    
+    CREATE POLICY ml_shopping_cart_select_policy ON public.ml_shopping_cart
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_shopping_cart_insert_policy ON public.ml_shopping_cart
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_shopping_cart_update_policy ON public.ml_shopping_cart
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_shopping_cart_delete_policy ON public.ml_shopping_cart
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- 订单策略：用户可以查看自己的订单，商家可以查看自己店铺的订单
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_orders_select_policy ON public.ml_orders;
+    DROP POLICY IF EXISTS ml_orders_insert_policy ON public.ml_orders;
+    DROP POLICY IF EXISTS ml_orders_update_policy ON public.ml_orders;
+    DROP POLICY IF EXISTS ml_orders_delete_policy ON public.ml_orders;
+    
+    CREATE POLICY ml_orders_select_policy ON public.ml_orders
+        FOR SELECT USING (
+            auth.uid() IN (
+                SELECT auth_id FROM public.ak_users WHERE id IN (user_id, merchant_id)
+            )
+        );
+
+    CREATE POLICY ml_orders_insert_policy ON public.ml_orders
+        FOR INSERT WITH CHECK (
+            auth.uid() IN (
+                SELECT auth_id FROM public.ak_users WHERE id IN (user_id, merchant_id)
+            )
+        );
+
+    CREATE POLICY ml_orders_update_policy ON public.ml_orders
+        FOR UPDATE USING (
+            auth.uid() IN (
+                SELECT auth_id FROM public.ak_users WHERE id IN (user_id, merchant_id)
+            )
+        );
+
+    CREATE POLICY ml_orders_delete_policy ON public.ml_orders
+        FOR DELETE USING (
+            auth.uid() IN (
+                SELECT auth_id FROM public.ak_users WHERE id IN (user_id, merchant_id)
+            )
+        );
+END $$;
+
+-- 商品策略：所有人可以查看上架商品，商家只能管理自己的商品
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_products_select_policy ON public.ml_products;
+    DROP POLICY IF EXISTS ml_products_insert_policy ON public.ml_products;
+    DROP POLICY IF EXISTS ml_products_update_policy ON public.ml_products;
+    DROP POLICY IF EXISTS ml_products_delete_policy ON public.ml_products;
+    
+    CREATE POLICY ml_products_select_policy ON public.ml_products
+        FOR SELECT USING (status = 1);
+
+    CREATE POLICY ml_products_insert_policy ON public.ml_products
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = merchant_id)
+        );
+
+    CREATE POLICY ml_products_update_policy ON public.ml_products
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = merchant_id)
+        );
+
+    CREATE POLICY ml_products_delete_policy ON public.ml_products
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = merchant_id)
+        );
+END $$;
+
+-- 收藏策略
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_user_favorites_select_policy ON public.ml_user_favorites;
+    DROP POLICY IF EXISTS ml_user_favorites_insert_policy ON public.ml_user_favorites;
+    DROP POLICY IF EXISTS ml_user_favorites_update_policy ON public.ml_user_favorites;
+    DROP POLICY IF EXISTS ml_user_favorites_delete_policy ON public.ml_user_favorites;
+    
+    CREATE POLICY ml_user_favorites_select_policy ON public.ml_user_favorites
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_favorites_insert_policy ON public.ml_user_favorites
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_favorites_update_policy ON public.ml_user_favorites
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_favorites_delete_policy ON public.ml_user_favorites
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- 浏览历史策略
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_browse_history_select_policy ON public.ml_browse_history;
+    DROP POLICY IF EXISTS ml_browse_history_insert_policy ON public.ml_browse_history;
+    DROP POLICY IF EXISTS ml_browse_history_update_policy ON public.ml_browse_history;
+    DROP POLICY IF EXISTS ml_browse_history_delete_policy ON public.ml_browse_history;
+    
+    CREATE POLICY ml_browse_history_select_policy ON public.ml_browse_history
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_browse_history_insert_policy ON public.ml_browse_history
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_browse_history_update_policy ON public.ml_browse_history
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_browse_history_delete_policy ON public.ml_browse_history
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- 优惠券策略
+DO $$
+BEGIN
+    DROP POLICY IF EXISTS ml_user_coupons_select_policy ON public.ml_user_coupons;
+    DROP POLICY IF EXISTS ml_user_coupons_insert_policy ON public.ml_user_coupons;
+    DROP POLICY IF EXISTS ml_user_coupons_update_policy ON public.ml_user_coupons;
+    DROP POLICY IF EXISTS ml_user_coupons_delete_policy ON public.ml_user_coupons;
+    
+    CREATE POLICY ml_user_coupons_select_policy ON public.ml_user_coupons
+        FOR SELECT USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_coupons_insert_policy ON public.ml_user_coupons
+        FOR INSERT WITH CHECK (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_coupons_update_policy ON public.ml_user_coupons
+        FOR UPDATE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+
+    CREATE POLICY ml_user_coupons_delete_policy ON public.ml_user_coupons
+        FOR DELETE USING (
+            auth.uid() = (SELECT auth_id FROM public.ak_users WHERE id = user_id)
+        );
+END $$;
+
+-- =====================================================================================
+-- 5. 完成提示
+-- =====================================================================================
+
+DO $$
+BEGIN
+    RAISE NOTICE '=======================================================';
+    RAISE NOTICE 'SEO 优化和安全策略配置完成！';
+    RAISE NOTICE '=======================================================';
+    RAISE NOTICE '已创建 SEO 函数: 6 个';
+    RAISE NOTICE '已创建业务函数: 4 个';
+    RAISE NOTICE '已创建详细视图: 2 个';
+    RAISE NOTICE '已配置 RLS 策略: 8 个表';
+    RAISE NOTICE '已创建库存和订单触发器';
+    RAISE NOTICE '=======================================================';
+    RAISE NOTICE '功能说明:';
+    RAISE NOTICE '- SEO 友好的 URL 生成';
+    RAISE NOTICE '- CID 基础的数据查询';
+    RAISE NOTICE '- 自动库存管理';
+    RAISE NOTICE '- 订单状态自动更新';
+    RAISE NOTICE '- 用户数据安全隔离';
+    RAISE NOTICE '=======================================================';
+END $$;