判断用户是否参与了抢购商品的活动

app/api/logic/OrderLogic.php

@@ -112,8 +112,6 @@ class OrderLogic extends Logic
             }
         }
 
-
-
         foreach ($goods as &$good) {
             $good['delivery_type'] = !isset($good['delivery_type']) ? OrderEnum::DELIVERY_TYPE_EXPRESS : $good['delivery_type'];
         }
@@ -121,15 +119,19 @@ class OrderLogic extends Logic
 
         Db::startTrans();
         try {
-
             if ($post['order_type'] == 4) {
+                $in_activity = Order::where('user_id', $post['user_id'])->where('order_status', '<', 4)->find();
+                if ($in_activity) {
+                    throw new Exception('每位用户只能限抢一件商品');
+                }
+
                 foreach ($goods as  $activ) {
                     $isOrder = Db::name('order')->where([
                         'activity_sn' => $activ['activity_sn'],
                         'user_id' => $post['user_id']
                     ])
-                        ->where('order_status', '<>', 4)
-                        ->find();
+                    ->where('order_status', '<>', 4)
+                    ->find();
                     if($isOrder){
                         throw new Exception('您已抢购过此商品');
                     }