feat: 新增消息通知模块

Yi.Abp.Net8/module/bbs/Yi.Framework.Bbs.Domain/SignalRHubs/BbsNoticeHub.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authorization;
+using Volo.Abp.AspNetCore.SignalR;
+using Yi.Framework.Bbs.Domain.Shared.Model;
+
+namespace Yi.Framework.Bbs.Domain.SignalRHubs
+{
+    [HubRoute("/hub/bbs-notice")]
+    [Authorize]
+    public class BbsNoticeHub : AbpHub
+    {
+        /// <summary>
+        /// hub连接与用户id的映射关系存储
+        /// </summary>
+        public static ConcurrentDictionary<string, HubUserModel> HubUserModels = new ConcurrentDictionary<string, HubUserModel>();
+
+        /// <summary>
+        /// 连接添加用户信息
+        /// </summary>
+        /// <returns></returns>
+        public override Task OnConnectedAsync()
+        {
+            var hubUser = new HubUserModel(Context.ConnectionId, CurrentUser.Id!.Value);
+            HubUserModels.TryAdd(CurrentUser.Id.Value.ToString(), hubUser);
+            return Task.CompletedTask;
+        }
+
+        /// <summary>
+        /// 断开连接，去除用户连接信息
+        /// </summary>
+        /// <param name="exception"></param>
+        /// <returns></returns>
+        public override Task OnDisconnectedAsync(Exception exception)
+        {
+            HubUserModels.TryRemove(CurrentUser.Id.Value.ToString(), out _);
+            return Task.CompletedTask;
+        }
+    }
+}