购物车数量为0时执行删除操作

app/Controller/v3/ShopCartUpdateController.php

@@ -5,6 +5,7 @@ namespace App\Controller\v3;
 use App\Constants\v3\ErrorCode;
 use App\Controller\BaseController;
 use App\Exception\ErrorCodeException;
+use App\Model\v3\ShoppingCart;
 use App\Service\v3\Interfaces\OrderOnlineServiceInterface;
 use Hyperf\Di\Annotation\Inject;
 use App\Service\v3\Interfaces\ShopCartUpdateServiceInterface;
@@ -28,19 +29,28 @@ class ShopCartUpdateController extends BaseController
         $goodsId = $this->request->input('goods_id',0);
         $num = $this->request->input('num',0);
         $activityType = $this->request->input('activity_type',1);
-
-        if ($activityType == 2) {
-            // TODO 校验当前用户今天是否超过了购买活动秒杀商品的（特定价格）的订单笔数
-            if (!$this->orderOnlineService->checkIfBuyFlashGoodsToday($userId)) {
-                throw new ErrorCodeException(
-                    ErrorCode::ORDER_ONLINE_LIMIT_BUY_COUNT,
-                    '[' . env('LIMIT_BUY_COUNT') . ']',
-                    ['params' => $this->request->all(), 'limit_prices' => env('LIMIT_BUY_COUNT_GOODS_PRICES')]
-                );
+        if($num <= 0){
+            $shopcartIds = ShoppingCart::query()->where([
+                    'user_id' => $userId,
+                    'goods_id' => $goodsId,
+                    'activity_type' => $activityType
+                ])
+                ->value('id');
+            $res = $this->shopCarServiceUpdate->undo($shopcartIds);
+        }else{
+            if ($activityType == 2) {
+                // TODO 校验当前用户今天是否超过了购买活动秒杀商品的（特定价格）的订单笔数
+                if (!$this->orderOnlineService->checkIfBuyFlashGoodsToday($userId)) {
+                    throw new ErrorCodeException(
+                        ErrorCode::ORDER_ONLINE_LIMIT_BUY_COUNT,
+                        '[' . env('LIMIT_BUY_COUNT') . ']',
+                        ['params' => $this->request->all(), 'limit_prices' => env('LIMIT_BUY_COUNT_GOODS_PRICES')]
+                    );
+                }
             }
-        }
 
-        $res = $this->shopCarServiceUpdate->do($userId,$goodsId,$num,$activityType);
+            $res = $this->shopCarServiceUpdate->do($userId,$goodsId,$num,$activityType);
+        }
         return $this->success($res);
     }