public RoomsViewModel(TokenResponse tokenResponse)
{
_httpToken = tokenResponse;
BuildImports();
_httpManager.Authorize(_httpToken.Token);
_fileManager.Authorize(_httpToken.Token);
_fileManager.Failed += (m) => ShowNotification(m);
AddRoomCommand = new Command(obj => AddRoom());
SendMessageCommand = new Command(obj => SendMessage());
SendFileCommand = new Command(async obj => await SendFile());
CopyOrDownloadCommand = new Command(obj => CopyOrDownload());
ParticipateRoomCommand = new Command(obj => Participate());
LeaveRoomCommand = new Command(obj => Leave());
LogOutCommand = new Command(obj => LogOut());
LoadRooms();
}