From 8eb6039994515e1c1287a1e19842b2035026eba0 Mon Sep 17 00:00:00 2001
From: chanbook <648715275@qq.com>
Date: Tue, 2 Aug 2022 19:33:42 +0800
Subject: [PATCH] distant user

---
 src/main/java/com/zhangshu/chat/demo/service/RoomCache.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/zhangshu/chat/demo/service/RoomCache.java b/src/main/java/com/zhangshu/chat/demo/service/RoomCache.java
index 097c052..b9f739f 100644
--- a/src/main/java/com/zhangshu/chat/demo/service/RoomCache.java
+++ b/src/main/java/com/zhangshu/chat/demo/service/RoomCache.java
@@ -54,7 +54,7 @@ public class RoomCache {
 
     public synchronized void addUser(String roomId, RoomUserVo user) {
         Room room = roomCache.get(roomId);
-        if (Objects.nonNull(room)) {
+        if (Objects.nonNull(room) && room.getUserList().stream().noneMatch(v -> v.getId().equals(user.getId()))) {
             room.getUserList().add(user);
         }
     }