增加减少库存

src/Goods/Lib/GoodsInterface.php

@@ -12,6 +12,8 @@ use Swoft\Core\ResultInterface;
 
 /**
  * @method ResultInterface deferGet($storeId, $id)
+ * @method ResultInterface deferIncSales($storeId, $goodsId)
+ * @method ResultInterface deferDecSales($storeId, $goodsId)
  * Interface GoodsInterface
  * @package Hdll\Services\Goods\Lib
  */
@@ -39,4 +41,25 @@ interface GoodsInterface
 	 */
 	public function get($storeId, $id);
 
+
+	/**
+	 * 增加商品销量
+	 * 减少商品库存
+	 * @param $storeId
+	 * @param $goodsId
+	 * @return mixed
+	 * @author Administrator
+	 */
+	public function incSales($storeId, $goodsId);
+
+	/**
+	 * 减少商品销量
+	 * 增加商品库存
+	 * @param $storeId
+	 * @param $goodsId
+	 * @return mixed
+	 * @author Administrator
+	 */
+	public function decSales($storeId, $goodsId);
+
 }
\ No newline at end of file