后端：

1、事件订阅增加rabbitmq中间件
移动端：
1、完善移动端目录结构和代码框架

backend/IM_API/Application/EventHandlers/FriendAddHandler/FriendAddConversationHandler.cs

@@ -0,0 +1,13 @@
+using IM_API.Domain.Events;
+using MassTransit;
+
+namespace IM_API.Application.EventHandlers.FriendAddHandler
+{
+    public class FriendAddConversationHandler : IConsumer<FriendAddEvent>
+    {
+        public Task Consume(ConsumeContext<FriendAddEvent> context)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

backend/IM_API/Application/EventHandlers/FriendAddHandler/FriendAddSignalRHandler.cs

@@ -0,0 +1,31 @@
+using IM_API.Domain.Events;
+using IM_API.Models;
+using MassTransit;
+
+namespace IM_API.Application.EventHandlers.FriendAddHandler
+{
+    public class FriendAddSignalRHandler : IConsumer<FriendAddEvent>
+    {
+        private readonly ImContext _context;
+        public FriendAddSignalRHandler(ImContext context)
+        {
+            _context = context;
+        }
+
+        public Task Consume(ConsumeContext<FriendAddEvent> context)
+        {
+            throw new NotImplementedException();
+            var @event = context.Message;
+
+            var RequestfriendShip = new Friend()
+            {
+                Avatar = @event.ResponseUser.Avatar,
+                UserId = @event.RequestUser.Id,
+                RemarkName = @event.RequestInfo.NickName,
+                Created = @event.RequestInfo.Created,
+
+
+            };
+        }
+    }
+}

backend/IM_API/Application/EventHandlers/MessageCreatedHandler/ConversationEventHandler.cs

@@ -7,12 +7,13 @@ using IM_API.Interface.Services;
 using IM_API.Models;
 using IM_API.Services;
 using IM_API.Tools;
+using MassTransit;
 using Microsoft.EntityFrameworkCore;
 using Newtonsoft.Json;
 
-namespace IM_API.Application.EventHandlers
+namespace IM_API.Application.EventHandlers.MessageCreatedHandler
 {
-    public class ConversationEventHandler : IEventHandler<MessageCreatedEvent>
+    public class ConversationEventHandler : IConsumer<MessageCreatedEvent>
     {
         private readonly IConversationService _conversationService;
         private readonly ILogger<ConversationEventHandler> _logger;
@@ -30,9 +31,12 @@ namespace IM_API.Application.EventHandlers
             _context = imContext;
             _mapper = mapper;
         }
-        public async Task Handle(MessageCreatedEvent @event)
+
+        public async Task Consume(ConsumeContext<MessageCreatedEvent> context)
         {
-            if(@event.ChatType == ChatType.PRIVATE)
+            var @event = context.Message;
+
+            if (@event.ChatType == ChatType.PRIVATE)
             {
                 Conversation? userAConversation = await _context.Conversations.FirstOrDefaultAsync(
                     x => x.UserId == @event.MsgSenderId && x.TargetId == @event.MsgRecipientId
@@ -40,9 +44,9 @@ namespace IM_API.Application.EventHandlers
                 Conversation? userBConversation = await _context.Conversations.FirstOrDefaultAsync(
                     x => x.UserId == @event.MsgRecipientId && x.TargetId == @event.MsgSenderId
                     );
-                if(userAConversation is null || userBConversation is null)
+                if (userAConversation is null || userBConversation is null)
                 {
-                    _logger.LogError("消息事件更新会话信息失败：{@event}",@event);
+                    _logger.LogError("消息事件更新会话信息失败：{@event}", @event);
                 }
                 userAConversation.LastMessage = @event.MessageContent;
                 userAConversation.LastReadMessageId = @event.MessageId;
@@ -50,9 +54,10 @@ namespace IM_API.Application.EventHandlers
                 userBConversation.LastMessage = @event.MessageContent;
                 userBConversation.UnreadCount += 1;
                 userBConversation.LastMessageTime = @event.MessageCreated;
-                _context.UpdateRange(userAConversation,userBConversation);
+                _context.UpdateRange(userAConversation, userBConversation);
                 await _context.SaveChangesAsync();
             }
         }
+
     }
 }

backend/IM_API/Application/EventHandlers/MessageCreatedHandler/SignalREventHandler.cs

@@ -5,11 +5,12 @@ using IM_API.Dtos;
 using IM_API.Hubs;
 using IM_API.Models;
 using IM_API.Tools;
+using MassTransit;
 using Microsoft.AspNetCore.SignalR;
 
-namespace IM_API.Application.EventHandlers
+namespace IM_API.Application.EventHandlers.MessageCreatedHandler
 {
-    public class SignalREventHandler : IEventHandler<MessageCreatedEvent>
+    public class SignalREventHandler : IConsumer<MessageCreatedEvent>
     {
         private readonly IHubContext<ChatHub> _hub;
         private readonly IMapper _mapper;
@@ -19,9 +20,10 @@ namespace IM_API.Application.EventHandlers
             _mapper = mapper;
         }
 
-        public async Task Handle(MessageCreatedEvent @event)
+        public async Task Consume(ConsumeContext<MessageCreatedEvent> context)
         {
-            if(@event.ChatType == Models.ChatType.PRIVATE)
+            var @event = context.Message;
+            if (@event.ChatType == Models.ChatType.PRIVATE)
             {
                 MessageBaseDto messageBaseDto = new MessageBaseDto
                 {