public async Task ChangeUsername(string username)
{
try
{
string oldUsername = UserManagement.GetUsername(Context.ConnectionId);
UserManagement.ChangeUsername(Context.ConnectionId, username);
await Clients.Caller.SendAsync("UsernameChanged", username);
}
catch (UserManagement.UsernameConflictException e)
{
await Clients.Caller.SendAsync("UsernameExistsError");
}
}
public async Task SendMessage(string room, string msg)
{
await Clients.Group(room).SendAsync("ReceiveMessage", room, UserManagement.GetUsername(Context.ConnectionId), msg);
}
