feat(admin): full repair of order module including list, statistics, aftersales, cashier, and write-off records with real RPC integration

docs/sql/30_rpc/order/rpc_admin_order_list_v1.sql

@@ -59,6 +59,8 @@ BEGIN
             o.order_status,
             o.payment_status,
             o.shipping_status,
+            o.pay_type,
+            o.channel_type,
             o.paid_at,
             o.created_at,
             u.username as buyer_name,

docs/sql/30_rpc/order/rpc_admin_order_source_stats_v1.sql

@@ -28,16 +28,26 @@ BEGIN
         RAISE EXCEPTION 'Permission denied';
     END IF;
 
-    -- 2. 最小可用：按 unknown 聚合（排除已取消）
+    -- 2. 按渠道类型聚合统计（排除已取消）
     SELECT jsonb_agg(t) INTO v_items
     FROM (
         SELECT
-            'unknown'::text AS source,
-            COUNT(*) FILTER (WHERE o.order_status != 5) AS order_count,
-            COALESCE(SUM(o.total_amount) FILTER (WHERE o.order_status != 5), 0) AS total_amount
+            CASE o.channel_type
+                WHEN 1 THEN '公众号'
+                WHEN 2 THEN '小程序'
+                WHEN 3 THEN 'H5'
+                WHEN 4 THEN 'PC'
+                WHEN 5 THEN 'APP'
+                ELSE '其他'
+            END AS source,
+            COUNT(*) AS order_count,
+            COALESCE(SUM(o.total_amount), 0) AS total_amount
         FROM public.ml_orders o
         WHERE o.created_at >= p_start_time
           AND o.created_at <= p_end_time
+          AND o.order_status != 5
+        GROUP BY o.channel_type
+        ORDER BY order_count DESC
     ) t;
 
     RETURN COALESCE(v_items, '[]'::jsonb);

docs/sql/30_rpc/order/rpc_admin_order_type_stats_v1.sql

@@ -0,0 +1,60 @@
+-- =====================================================================================
+-- Admin 订单统计 - 订单类型分布统计 RPC
+-- 位置：docs/sql/30_rpc/order/
+-- 对象类型：RPC 函数（SECURITY DEFINER）
+-- 版本：v1
+-- 说明：按订单类型（普通、收银、核销）统计指定时间段内的销售额及其占比
+-- =====================================================================================
+
+CREATE OR REPLACE FUNCTION public.rpc_admin_order_type_stats(
+    p_start_time TIMESTAMPTZ,
+    p_end_time TIMESTAMPTZ
+)
+RETURNS JSONB
+SECURITY DEFINER
+SET search_path = public
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    v_total_amount DECIMAL(12,2);
+    v_items JSONB;
+BEGIN
+    -- 1. 权限检查
+    IF NOT EXISTS (
+        SELECT 1 FROM public.ak_users 
+        WHERE auth_id = auth.uid() AND role IN ('admin', 'analytics')
+    ) THEN
+        RAISE EXCEPTION 'Permission denied';
+    END IF;
+
+    -- 2. 计算总销售额（用于算占比）
+    SELECT COALESCE(SUM(total_amount), 0) INTO v_total_amount
+    FROM public.ml_orders
+    WHERE created_at >= p_start_time AND created_at <= p_end_time
+      AND order_status != 5; -- 排除已取消
+
+    -- 3. 按类型统计
+    SELECT jsonb_agg(t) INTO v_items
+    FROM (
+        SELECT
+            CASE o.order_type
+                WHEN 1 THEN '普通订单'
+                WHEN 2 THEN '收银订单'
+                WHEN 3 THEN '核销订单'
+                ELSE '其他类型'
+            END AS name,
+            COALESCE(SUM(o.total_amount), 0) AS amount,
+            CASE 
+                WHEN v_total_amount > 0 THEN ROUND((COALESCE(SUM(o.total_amount), 0) / v_total_amount * 100), 2)
+                ELSE 0 
+            END AS rate
+        FROM public.ml_orders o
+        WHERE o.created_at >= p_start_time AND o.created_at <= p_end_time
+          AND o.order_status != 5
+        GROUP BY o.order_type
+        ORDER BY amount DESC
+    ) t;
+
+    RETURN COALESCE(v_items, '[]'::jsonb);
+END;
+$$;