购物车添加规格信息验证库存

app/workerapi/logic/shops/ShopCartLogic.php

@@ -54,6 +54,9 @@ class ShopCartLogic extends BaseLogic
             }
             $model = ShopCart::where(['shop_goods_id'=>$params['shop_goods_id'],'goods_specs_inventory_id'=>$params['goods_specs_inventory_id'],'worker_id'=>$params['worker_id']])->findOrEmpty();
             if(!$model->isEmpty()){
+                if($goodSpecInventoryModel->remaining_inventory < $params['number'] + $model->number){
+                    throw new \Exception('库存不足');
+                }
                 $model->number = $model->number + $params['number'];
                 $model->save();
                 Db::commit();
@@ -78,6 +81,7 @@ class ShopCartLogic extends BaseLogic
 
     public static function delete($params)
     {
+        Db::startTrans();
         try{
             ShopCart::whereIn('id',$params['ids'])->where('worker_id',$params['worker_id'])->delete();
             Db::commit();
@@ -91,6 +95,7 @@ class ShopCartLogic extends BaseLogic
 
     public static function edit($params)
     {
+        Db::startTrans();
         try{
             $cartModel = ShopCart::findOrEmpty($params['id']);
             if($cartModel->isEmpty()){
@@ -99,6 +104,13 @@ class ShopCartLogic extends BaseLogic
             if($cartModel->worker_id != $params['worker_id']){
                 throw new \Exception('非法操作');
             }
+            $goodSpecInventoryModel = ShopGoodSpecsInventory::findOrEmpty($cartModel->goods_specs_inventory_id);
+            if($goodSpecInventoryModel->isEmpty()){
+                throw new \Exception('规格不存在');
+            }
+            if($params['number'] > $goodSpecInventoryModel->remaining_inventory){
+                throw new \Exception('库存不足');
+            }
             $cartModel->number = $params['number'];
             $cartModel->save();
             Db::commit();