refactor(dao): remove BaseAuth stock mutation dependency

Made-with: Cursor

pro_v3.5.1/app/services/product/StockMutationService.php

@@ -0,0 +1,42 @@
+<?php
+// +----------------------------------------------------------------------
+// | Author: ScottPan Team 
+// +----------------------------------------------------------------------
+
+namespace app\services\product;
+
+/**
+ * 本项目自有库存变更服务，不依赖 CRMEB 商业授权基础类。
+ */
+class StockMutationService
+{
+    public function decreaseStockIncreaseSales($model, array $where, int $num, string $stock, string $sales): bool
+    {
+        if ($num <= 0) {
+            return false;
+        }
+
+        $affected = $model->where($where)
+            ->where($stock, '>=', $num)
+            ->dec($stock, $num)
+            ->inc($sales, $num)
+            ->update();
+
+        return (int)$affected > 0;
+    }
+
+    public function increaseStockDecreaseSales($model, array $where, int $num, string $stock, string $sales): bool
+    {
+        if ($num <= 0) {
+            return false;
+        }
+
+        $affected = $model->where($where)
+            ->where($sales, '>=', $num)
+            ->inc($stock, $num)
+            ->dec($sales, $num)
+            ->update();
+
+        return (int)$affected > 0;
+    }
+}