IM/backend/IM_API/Hubs/ChatHub.cs
nanxun 77db20dc38 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

91 lines
3.7 KiB
C#

using AutoMapper;
using IM_API.Application.Interfaces;
using IM_API.Domain.Events;
using IM_API.Dtos;
using IM_API.Interface.Services;
using IM_API.Models;
using IM_API.Tools;
using IM_API.VOs.Message;
using Microsoft.AspNetCore.SignalR;
using StackExchange.Redis;
using System.Security.Claims;
namespace IM_API.Hubs
{
public class ChatHub:Hub
{
private IMessageSevice _messageService;
private readonly IConversationService _conversationService;
private readonly IDatabase _redis;
public ChatHub(IMessageSevice messageService, IConversationService conversationService,
IConnectionMultiplexer connectionMultiplexer)
{
_messageService = messageService;
_conversationService = conversationService;
_redis = connectionMultiplexer.GetDatabase();
}
public async override Task OnConnectedAsync()
{
if (!Context.User.Identity.IsAuthenticated)
{
Context.Abort();
return;
}
//将用户加入已加入聊天的会话组
string userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
var keys = await _conversationService.GetUserAllStreamKeyAsync(int.Parse(userIdStr));
foreach (var key in keys)
{
await Groups.AddToGroupAsync(Context.ConnectionId, key);
}
//储存用户对应的连接id
await _redis.SetAddAsync(RedisKeys.GetConnectionIdKey(userIdStr), Context.ConnectionId);
await base.OnConnectedAsync();
}
public override async Task OnDisconnectedAsync(Exception? exception)
{
if (!Context.User.Identity.IsAuthenticated)
{
string useridStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
await _redis.SetRemoveAsync(RedisKeys.GetConnectionIdKey(useridStr), Context.ConnectionId);
}
await base.OnDisconnectedAsync(exception);
}
public async Task<HubResponse<MessageBaseVo?>> SendMessage(MessageBaseDto dto)
{
if (!Context.User.Identity.IsAuthenticated)
{
await Clients.Caller.SendAsync("ReceiveMessage", new BaseResponse<object?>(CodeDefine.AUTH_FAILED));
Context.Abort();
return new HubResponse<MessageBaseVo?>(CodeDefine.AUTH_FAILED, "SendMessage");
}
var userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
MessageBaseVo? msgInfo = null;
if(dto.ChatType == ChatType.PRIVATE)
{
msgInfo = await _messageService.SendPrivateMessageAsync(int.Parse(userIdStr), dto.ReceiverId, dto);
}
else
{
msgInfo = await _messageService.SendGroupMessageAsync(int.Parse(userIdStr), dto.ReceiverId, dto);
}
return new HubResponse<MessageBaseVo?>("SendMessage", msgInfo);
}
public async Task<HubResponse<object?>> ClearUnreadCount(int conversationId)
{
if (!Context.User.Identity.IsAuthenticated)
{
await Clients.Caller.SendAsync("ReceiveMessage", new BaseResponse<object?>(CodeDefine.AUTH_FAILED));
Context.Abort();
return new HubResponse<object?>(CodeDefine.AUTH_FAILED, "ClearUnreadCount"); ;
}
var userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
await _conversationService.ClearUnreadCountAsync(int.Parse(userIdStr), conversationId);
return new HubResponse<object?>("ClearUnreadCount");
}
}
}