前端：

1、完善创建群聊逻辑后端： 1、完善群聊相关接口
2026-02-11 22:44:28 +08:00
parent dc6ecf224d
commit 77db20dc38
55 changed files with 1986 additions and 95 deletions
@@ -0,0 +1,21 @@
+using IM_API.Domain.Events;
+using IM_API.Interface.Services;
+using MassTransit;
+
+namespace IM_API.Application.EventHandlers.GroupJoinHandler
+{
+    public class GroupJoinConversationHandler : IConsumer<GroupJoinEvent>
+    {
+        private IConversationService _conversationService;
+        public GroupJoinConversationHandler(IConversationService conversationService)
+        {
+            _conversationService = conversationService;
+        }
+
+        public async Task Consume(ConsumeContext<GroupJoinEvent> context)
+        {
+            var @event = context.Message;
+            await _conversationService.MakeConversationAsync(@event.UserId, @event.GroupId, Models.ChatType.GROUP);
+        }
+    }
+}
@@ -0,0 +1,22 @@
+using IM_API.Domain.Events;
+using IM_API.Interface.Services;
+using MassTransit;
+
+namespace IM_API.Application.EventHandlers.GroupJoinHandler
+{
+    public class GroupJoinDbHandler : IConsumer<GroupJoinEvent>
+    {
+        private readonly IGroupService _groupService;
+        public GroupJoinDbHandler(IGroupService groupService)
+        {
+            _groupService = groupService;
+        }
+
+        public async Task Consume(ConsumeContext<GroupJoinEvent> context)
+        {
+            await _groupService.MakeGroupMemberAsync(context.Message.UserId, 
+                context.Message.GroupId, context.Message.IsCreated ? 
+                Models.GroupMemberRole.Master : Models.GroupMemberRole.Normal);
+        }
+    }
+}
@@ -0,0 +1,45 @@
+using IM_API.Domain.Events;
+using IM_API.Dtos;
+using IM_API.Hubs;
+using IM_API.Tools;
+using IM_API.VOs.Group;
+using MassTransit;
+using Microsoft.AspNetCore.SignalR;
+using StackExchange.Redis;
+
+namespace IM_API.Application.EventHandlers.GroupJoinHandler
+{
+    public class GroupJoinSignalrHandler : IConsumer<GroupJoinEvent>
+    {
+        private readonly IHubContext<ChatHub> _hub;
+        private readonly IDatabase _redis;
+        public GroupJoinSignalrHandler(IHubContext<ChatHub> hub, IConnectionMultiplexer connectionMultiplexer)
+        {
+            _hub = hub;
+            _redis = connectionMultiplexer.GetDatabase();
+        }
+
+        public async Task Consume(ConsumeContext<GroupJoinEvent> context)
+        {
+            var @event = context.Message;
+            string stramKey = StreamKeyBuilder.Group(@event.GroupId);
+            //将用户加入群组通知
+            var list = await _redis.SetMembersAsync(RedisKeys.GetConnectionIdKey(@event.UserId.ToString()));
+            if(list != null && list.Length > 0)
+            {
+                var tasks = list.Select(connectionId =>
+                    _hub.Groups.AddToGroupAsync(connectionId!, stramKey)
+                ).ToList();
+
+                await Task.WhenAll(tasks);
+            }
+            //发送通知给群成员
+            var msg = new GroupJoinVo
+            {
+                GroupId = @event.GroupId,
+                UserId = @event.UserId
+            };
+            await _hub.Clients.Group(stramKey).SendAsync("ReceiveMessage",new HubResponse<GroupJoinVo>("Event",msg));
+        }
+    }
+}