public IEnumerable <Participant> Participants(string sessionCode)
{
if (!string.IsNullOrEmpty(sessionCode))
{
var room = _onlineMeetingRoomManager.GetOne(sessionCode);
return(room?.Participants);
}
return(null);
}
/// <summary>
/// 加入会话
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public async Task <JoinResult> Join(UserJoinViewModel user)
{
if (!user.IsValid())
{
}
user.ConnectionId = Context.ConnectionId;
// 从在线会议室中获取此会议室
var onlineRoom = _onlineMeetingRoomManager.GetOne(user.SessionCode);
// 从所有会议室获取到此会议室
var room = await _meetingRoomManager.GetBySessionCodeAsync(user.SessionCode);
// 同时存在
if (onlineRoom == null || null == room)
{
return(new JoinResult(false, "找不到会话。请检查此代码是否正确，以及当前会话是否属于活动状态。"));
}
// 加入到此会议室中
var participant = _mapper.Map <UserJoinViewModel, Participant>(user);
onlineRoom.Join(participant);
_onlineMeetingRoomManager.AddOrUpdate(room.SessionCode, onlineRoom);
await Groups.AddToGroupAsync(user.ConnectionId, onlineRoom.SessionCode);
// 通知其他人有新用户加入
await Clients.GroupExcept(onlineRoom.SessionCode, user.ConnectionId).SendAsync("UserJoined", participant);
// 添加加入会议的消息
var message = new Message(null, "System", $"{user.Nickname} 加入了会议", "zh-cn");
room.AppendMessage(message);
await _meetingRoomManager.UpdateAsync(room);
// 发送通知消息
var msg = _mapper.Map <Message, ReturnMessage>(message);
await Clients.Group(onlineRoom.SessionCode).SendAsync("ReceiveMessage", msg);
return(new JoinResult(true, "加入成功"));
}