/// <summary>
/// 离开群组
/// </summary>
/// <param name="groupName"></param>
/// <returns></returns>
public async Task LeaveGroup(string groupName)
{
var from = UserListHandler.GetInstance().Where(a => a.Key == Context.ConnectionId).ToList()[0];
//从群列表中移除该成员，如果该群中人数人为0，则移除该群
bool result = GroupListHandler.RemoveConnectedId(Context.ConnectionId, groupName);
////提醒有人退出群聊
await Clients.Group(groupName).SendAsync("SendGroup", new Message
{
type = MsgType.GroupUserLeave,
data = new { key = Context.ConnectionId, value = from.Value, group = groupName }
});
//await Clients.Caller.SendAsync("SendGroup", new Message
//{
// type = MsgType.GroupUserLeave,
// data = new { key = Context.ConnectionId, value = from.Value, group = groupName }
//});
if (result)
{
await Clients.All.SendAsync("GroupList", new Message
{
type = MsgType.GroupRemove,
data = groupName
});
}
await Groups.RemoveFromGroupAsync(Context.ConnectionId, groupName);
}
/// <summary>
/// 断开时
/// </summary>
/// <param name="ex"></param>
/// <returns></returns>
public override async Task OnDisconnectedAsync(Exception ex)
{
var user = UserListHandler.GetInstance().Where(a => a.Key == Context.ConnectionId).ToList()[0];
//var data = user.Select(a => new { key = a.Key, value = a.Value }).ToList()[0];
//从群列表中移除该成员，如果该群中人数人为0，则移除该群
GroupListHandler.RemoveConnectedId(Context.ConnectionId, out var listgroup, out var list);
foreach (var item in list)//通知群成员已退出群
{
await Clients.Group(item).SendAsync(PushMsg.SendGroup, new Message
{
type = MsgType.GroupUserLeave,
data = new { connectId = Context.ConnectionId, connectName = user.Value, group = item }
});
}
foreach (var item in listgroup)//通知所有人 群已解散
{
await Clients.All.SendAsync(PushMsg.GroupList, new Message
{
type = MsgType.GroupRemove,
data = item
});
}
//列表下线
await Clients.All.SendAsync(PushMsg.List, new Message
{
type = MsgType.RemoveUser,
data = new { connectId = user.Key, connectName = user.Value }
});
//提示下线
await Clients.All.SendAsync(PushMsg.Send, new Message
{
type = MsgType.RemoveInfo,
data = new { connectId = user.Key, value = user.Value }
});
UserListHandler.GetInstance().Remove(Context.ConnectionId);
await base.OnDisconnectedAsync(ex);
}