class IdentityTest extends Nette\Object
{
    private $identityDir;
    private $user;

    public function __construct($tempDir, Nette\Http\User $user)
    {
        $this->user = $user;
        $this->identityDir = $tempDir . '/saveIdentity';
        if (false === file_exists($tempDir)) {
            mkdir($tempDir);
        }
    }


    public function startTest()
    {
        do {
            $file = $this->identityDir . '/' . Nette\Utils\Strings::random();
        } while (file_exists($file));

        file_put_contents($file, $this->user->getId());
        return array("test" => "test", "token" => basename($name)));
    }


}

/// config.neon

services:
    identityTest: IdentityTest(%tempDir%)


// FrontModule/BasePresenter

public function injectIdenityTest(IdentityTest $it)
{
    $this->identityTest = $it;
}

public function handleStartTesting()
{
    $this->redirect(":CustomerAdmin:Sign:getIdentity", $this->identityTest->startTest());
}

// CustomerAdmin/SignPresenter
// tohle se mi už přepisovat nechce