完成离线消息发送和上线获取离线消息

Hotfix/Chat/System/ChatUnitManageComponentSystem.cs

@@ -6,6 +6,21 @@ namespace NB.Chat;
 
 public static class ChatUnitManageComponentSystem
 {
+    #region 消息缓存
+
+    /// <summary>
+    /// 离线消息，进入待领取队列
+    /// </summary>
+    /// <param name="self"></param>
+    /// <param name="targetId"></param>
+    /// <param name="message"></param>
+    public static void SaveOfflineMessage(this ChatUnitManageComponent self, long targetId, ChatMessageInfo message)
+    {
+        self.NotSendMessage.Add(targetId, message);
+    }
+    
+    #endregion
+
     #region 上线下线
 
     /// <summary>
@@ -15,7 +30,8 @@ public static class ChatUnitManageComponentSystem
     /// <param name="scene"></param>
     /// <param name="roleSimpleInfo"></param>
     /// <param name="gateRouteId"></param>
-    public static async FTask<ChatUnit?> Online(this ChatUnitManageComponent self, Scene scene, RoleSimpleInfo roleSimpleInfo,
+    public static async FTask<ChatUnit?> Online(this ChatUnitManageComponent self, Scene scene,
+        RoleSimpleInfo roleSimpleInfo,
         long gateRouteId)
     {
         var accountId = roleSimpleInfo.RoleId;
@@ -30,14 +46,22 @@ public static class ChatUnitManageComponentSystem
             account.GateRouteId = gateRouteId;
             account.Role = roleSimpleInfo;
         }
-        
+
         await FTask.CompletedTask;
         return account;
     }
 
-    public static async FTask Offline(this ChatUnitManageComponent self, Scene scene, long accountId)
+    public static async FTask Offline(this ChatUnitManageComponent self, Scene scene, long accountId, long gateRouteId)
     {
-        self.Remove(accountId);
+        if (self.TryGet(accountId, out var unit) && unit != null)
+        {
+            if (unit.GateRouteId == gateRouteId)
+            {
+                Log.Info("退出当前聊天服==");
+                self.Remove(accountId); //如果当前网关和下线的网关一致
+            }
+        }
+
         await FTask.CompletedTask;
     }