From 2e3468408e19917688819a3fe6225764ad036267 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E6=98=8A=E5=A4=A9?= <442384644@qq.com>
Date: Wed, 21 Oct 2026 11:49:34 +0800
Subject: [PATCH] =?UTF-8?q?feat(=E5=AE=9E=E7=89=A9=E5=95=86=E5=93=81):=20?=
 =?UTF-8?q?=E8=AD=A6=E6=88=92=E5=BA=93=E5=AD=98=E6=8C=89=20SKU=20=E5=BA=93?=
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列表 tab 与头部统计共用 SKU 子查询（启用 SKU 任一低于 store_stock 配置即命中），原实现与出售中计数相同不含库存条件
---
 .../normal/service/ProductServices.php        | 27 ++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/backend/modules/product/normal/service/ProductServices.php b/backend/modules/product/normal/service/ProductServices.php
index 41e1bd101..37499f331 100644
--- a/backend/modules/product/normal/service/ProductServices.php
+++ b/backend/modules/product/normal/service/ProductServices.php
@@ -388,6 +388,7 @@ class ProductServices
                 break;
             case '4': // 警戒库存
                 $query->where('is_show', 1)->where('is_del', 0);
+                $this->applyWarningStockFilter($query);
                 break;
             case '5': // 回收站
                 $query->where('is_del', 1);
@@ -465,15 +466,39 @@ class ProductServices
     {
         $base = $this->centerDao->search()->where('product_type', 'normal');
 
+        $warningBase = (clone $base)->where('is_show', 1)->where('is_del', 0);
+        $this->applyWarningStockFilter($warningBase);
+
         return [
             ['type' => 1, 'name' => '出售中的商品', 'count' => (clone $base)->where('is_show', 1)->where('is_del', 0)->count()],
             ['type' => 2, 'name' => '仓库中的商品', 'count' => (clone $base)->where('is_show', 0)->where('is_del', 0)->count()],
             ['type' => 3, 'name' => '已售馨的商品', 'count' => (clone $base)->where('is_show', 1)->where('is_del', 0)->where('stock', 0)->count()],
-            ['type' => 4, 'name' => '警戒库存商品', 'count' => (clone $base)->where('is_show', 1)->where('is_del', 0)->count()],
+            ['type' => 4, 'name' => '警戒库存商品', 'count' => $warningBase->count()],
             ['type' => 5, 'name' => '回收站的商品', 'count' => (clone $base)->where('is_del', 1)->count()],
         ];
     }
 
+    /**
+     * 按 SKU 库存筛选警戒库存商品。
+     * 只有存在启用 SKU 且至少一个 SKU 库存低于系统警戒值的商品才命中。
+     * @param mixed $query
+     * @return void
+     */
+    protected function applyWarningStockFilter($query): void
+    {
+        $warningStock = (int)sys_config('store_stock');
+        if ($warningStock <= 0) {
+            $warningStock = 2;
+        }
+
+        $query->whereIn('id', function ($skuQuery) use ($warningStock) {
+            $skuQuery->name('pt_normal_sku')
+                ->where('is_show', 1)
+                ->where('stock', '<', $warningStock)
+                ->field('product_id');
+        });
+    }
+
     // ===== 商品生命周期管理（中台主表 + 扩展表同步） =====
 
     /**