public static function login($data = ["uname" => "", "password" => "", "authorized_users" => []])
{
$data["authorized_users"] = [];
$result = UsersDB::getSalesmansName();
foreach ($result as $value) {
array_push($data["authorized_users"], $value["ime"]);
}
echo ViewHelper::render("view/salesman-login.php", $data);
}