public function show()
{
$workerModel = new WorkerModel();
$view = new ViewModel('admin/workers');
if (isset($_POST['function']) && $_POST['function'] == 'dostawca') {
$view->assign('workers', $workerModel->selectSuppliers());
} else {
$view->assign('workers', $workerModel->selectCouriers());
}
$view->display();
}
