ApplyInvoiceForm

<?php

namespace App\Form\Invoice;

use Achse\NetteDatabase\EntityAlreadyExistsException;
use App\Exceptions\NoActivitiesException;
use App\Exceptions\SignatureFileNotFoundException;
use App\Facade\InvoicePresenterFacade;
use App\Form;
use App\Model\UserRepository;
use Nette\InvalidStateException;
use Nette\Security\User;
use Nette\Utils\DateTime;

class ApplyInvoiceForm extends Form\FormControl {

    /** @var callable[] */
    public $onSignatureFileNotFound = [];

    /** @var callable[] */
    public $onNoActivities = [];

    /** @var callable[] */
    public $onEntityAlreadyExists = [];

    /** @var callable[] */
    public $onInvalidState = [];

    /** @var callable[] */
    public $onSuccess;

    protected $limit;

    /** @var  User */
    protected $user;

    /** @var  InvoicePresenterFacade  */
    protected $invoicePresenterFacade;

    function __construct(User $user, InvoicePresenterFacade $invoicePresenterFacade) {
        $this->user = $user;
        $this->invoicePresenterFacade = $invoicePresenterFacade;
    }

    /**
     * @param $parent
     * @param $name
     * @return Form
     */
    public function createComponentForm($parent, $name) {
        $form = new Form($parent, $name);
        // $form->...

        $form->addSubmit("send", "Potvrdit");

        $this->onSuccess[] = $this->process;
        $form->onSuccess = $this->onSuccess;

        $form->setDefaults(array(/** preset **/));

        return $form;
    }

    public function process(ApplyInvoiceForm $form) {
        if ($form->isValid()) {
            $values = $form->getValues();

            try {
                $this->invoicePresenterFacade->applyInvoice($values, $this->user, $this->limit);

            } catch (SignatureFileNotFoundException $e) {
                $form->onSignatureFileNotFound($e);

            } catch (NoActivitiesException $e) {
                $this->onNoActivities($e);

            } catch (EntityAlreadyExistsException $e) {
                $this->onEntityAlreadyExists($e);

            } catch (InvalidStateException $e) {
                $this->onInvalidState($e);
            }
        }
    }
}