添加是否可以兑换红包码的判断

app/Services/IntegralService.php

@@ -35,6 +35,10 @@ class IntegralService
                         break;
                     case self::INTEGRAL_TYPE_INTEGRAL_CODE:
                         $result['data'][$key]['button_text'] = '去兑换';
+                        //还需要告知前端是否已经兑换过红包码
+                        $redis = new RedisModel();
+                        $exchanged = $redis->sismember('ic_welfare_code_limit', $map['user_id']);
+                        $result['data'][$key]['code_exchanged'] = $exchanged;
                         break;
                     case self::INTEGRAL_TYPE_SHARE:
                         $result['data'][$key]['button_text'] = '去分享';