private function split_attr(array $attr = null, $only_split = false)
 {
     $attr = $attr ? $attr : $this->attributes;
     $callback = Utils::array_pick($attr, self::$FIELDS_CALLBACK);
     $ios = Utils::array_pick($attr, self::$FIELDS_IOS);
     $channel = Utils::array_pick($attr, self::$FIELDS_CHANNEL);
     $diy = Utils::array_pick($attr, self::$FIELDS_DIY);
     $permissions = $attr['permission'];
     $provinces = $attr['provinces'] ? $attr['provinces'] : $attr['put_provinces'];
     if (!$only_split) {
         $me = $_SESSION['id'];
         $im_cp = $_SESSION['role'] == Auth::$CP_PERMISSION;
         $now = date('Y-m-d H:i:s');
         $callback['ad_id'] = $channel['id'] = $ios['ad_id'] = $diy['id'] = $this->id;
         $attr['status'] = 2;
         // 新建,待审核
         $attr['ad_sdk_type'] = 1;
         // 只允许广告墙
         $attr['create_user'] = $me;
         $attr['create_time'] = $now;
         if ($im_cp) {
             $channel['feedback'] = 7;
             $channel['cycle'] = 1;
             $attr['ad_app_type'] = 2;
             $attr['cate'] = 1;
         } else {
             $admin = new Admin();
             $channel = array_merge($channel, $admin->get_owner($attr, $me));
         }
         if ($attr['replace']) {
             $this->replace = $attr['replace-with'];
             $attr['status'] = 3;
             // 欲替换之前的广告
             $attr['status_time'] = $attr['replace-time'];
         }
     }
     $attr = Utils::array_omit($attr, self::$FIELDS_CALLBACK, self::$FIELDS_CHANNEL, self::$FIELDS_IOS, self::$FIELDS_DIY, self::$FIELDS_OMIT);
     if ($only_split) {
         unset($attr['id']);
     }
     return [$callback, $ios, $channel, $diy, $attr, $permissions, $provinces];
 }
 /**
  * 取当前用户的助理和被助理
  * @return array|null|string
  */
 public function get_assistant()
 {
     $me = $_SESSION['id'];
     $admin = new Admin();
     $sales = $admin->get_sales_by_me($me);
     $owner = $admin->get_owner(null, $me);
     if ($sales) {
         $sales = array_keys($sales);
     }
     if ($owner) {
         $sales = array_unique(array_merge(array_values($owner), (array) $sales));
     }
     return array_values($sales);
 }