From 3602e0a4b7d6d4149a3495e46878ca0e0a280ce4 Mon Sep 17 00:00:00 2001
From: Lemon <15040771@qq.com>
Date: Mon, 9 Nov 2020 16:54:04 +0800
Subject: [PATCH] =?UTF-8?q?=E5=BA=93=E5=AD=98=E4=B8=8D=E8=B6=B3=E6=97=B6?=
 =?UTF-8?q?=20=E5=85=81=E8=AE=B8=E5=87=8F=E6=93=8D=E4=BD=9C?=
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---
 .../v3/Implementations/ShopCartUpdateService.php  | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/app/Service/v3/Implementations/ShopCartUpdateService.php b/app/Service/v3/Implementations/ShopCartUpdateService.php
index 72fd76f..8b22179 100644
--- a/app/Service/v3/Implementations/ShopCartUpdateService.php
+++ b/app/Service/v3/Implementations/ShopCartUpdateService.php
@@ -69,7 +69,20 @@ class ShopCartUpdateService implements ShopCartUpdateServiceInterface
 
         if($goodsCheck !== true)
         {
-            throw new ErrorCodeException($goodsCheck);
+            if($goodsCheck === ErrorCode::GOODS_ACTIVITY_INVENTORY_ERROR){
+                $shopcartNum = ShoppingCart::query()
+                    ->where([
+                        'user_id' => $userId,
+                        'goods_id' => $goodsId,
+                        'activity_type' => $activityType
+                    ])
+                    ->value('num');
+                if($num > $shopcartNum){
+                    throw new ErrorCodeException($goodsCheck);
+                }
+            }else{
+                throw new ErrorCodeException($goodsCheck);
+            }
         }
 
         $shoppingCart = ShoppingCart::query()->lockForUpdate()->updateOrCreate(