IM/backend/IM_API/Hubs/ChatHub.cs

50 lines
1.8 KiB
C#

using IM_API.Dtos;
using IM_API.Interface.Services;
using IM_API.Tools;
using Microsoft.AspNetCore.SignalR;
using System.Security.Claims;
namespace IM_API.Hubs
{
public class ChatHub:Hub
{
private IMessageSevice _messageService;
private readonly IConversationService _conversationService;
public ChatHub(IMessageSevice messageService, IConversationService conversationService)
{
_messageService = messageService;
_conversationService = conversationService;
}
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);
}
await base.OnConnectedAsync();
}
public async Task SendPrivateMessage(MessageBaseDto dto)
{
if (!Context.User.Identity.IsAuthenticated)
{
await Clients.Caller.SendAsync("ReceiveMessage", new BaseResponse<object?>(CodeDefine.AUTH_FAILED));
Context.Abort();
return;
}
var userIdStr = Context.User.FindFirstValue(ClaimTypes.NameIdentifier);
await _messageService.SendPrivateMessageAsync(int.Parse(userIdStr),dto.ReceiverId,dto);
await Clients.Users(dto.ReceiverId.ToString()).SendAsync("ReceiveMessage", userIdStr, dto.Content);
return;
}
}
}