保留一个有效状态

application/chat/service/ChatService.php

@@ -161,6 +161,8 @@ class ChatService
                 if ($v['is_forbidden'] == 0) {
                     if ($v['ext_id'] != $chat_user_id) {
                         $this->chatUserExtModel->addChatUserExt(['is_forbidden'=>1], $v['id']);
+                    } else {
+                        $current_user_id = $chat_user_id;
                     }
                 } else {
                     if ($v['ext_id'] == $chat_user_id && $current_user_id != $chat_user_id) {
@@ -177,6 +179,15 @@ class ChatService
                 $params["push_id"]      = $push_id;
                 $params["is_forbidden"] = 0;
                 $result                 = $this->chatUserExtModel->addChatUserExt($params);
+            } else {
+                $old_device_where['ext_id'] = $current_user_id;
+                $old_device_where['is_forbidden'] = 0;
+                $old_device_where['push_id'] = ['<>', $push_id];
+                $info = $this->chatUserExtModel->getChatUserExt($where, 'id');
+
+                foreach ($info as $k2=>$v2) {
+                    $this->chatUserExtModel->addChatUserExt(['is_forbidden'=> 1], $v2['id']);
+                }
             }
         } else {
             //todo 保存或更新push_id