ModifyFooter.php

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<?php

declare(strict_types=1);

namespace ILIAS\LegalDocuments\ConsumerToolbox\ConsumerSlots;

use ilLink;
use ILIAS\LegalDocuments\Value\DocumentContent;
use ILIAS\UI\Component\Component;
use ILIAS\UI\Component\MainControls\Footer;
use ILIAS\LegalDocuments\ConsumerToolbox\UI;
use ILIAS\LegalDocuments\ConsumerToolbox\User;
use ILIAS\Data\Result\Ok;
use ILIAS\LegalDocuments\Provide;
use ilTemplate;
use Closure;
use ILIAS\UI\Component\Modal\Modal;

final class ModifyFooter
{
    public function __construct(
        private readonly UI $ui,
        private readonly User $user,
        private readonly Provide $legal_documents,
        private readonly Closure $render,
        private readonly Closure $create_template,
        private readonly ?Closure $goto_link,
    ) {
    }

    public function __invoke(Closure $footer): Closure
    {
        return $this->user->acceptedVersion()->map(
            fn($document) => $this->footer($footer, $this->renderModal($document))
        )->except(
            fn() => new Ok(
                !$this->goto_link || $this->user->isLoggedIn() ?
                    $footer :
                    $this->footer($footer, ($this->goto_link)())
            )
        )->value();
    }

    public function renderModal(DocumentContent $content): Modal
    {
        return $this->ui->create()->modal()->roundtrip($content->title(), [
            $this->ui->create()->legacy()->content($this->ui->txt('usr_agreement_footer_intro')),
            $this->ui->create()->divider()->horizontal(),
            $this->legal_documents->document()->contentAsComponent($content),
            $this->ui->create()->divider()->horizontal(),
            $this->withdrawalButton(),
        ]);
    }

    public function withdrawalButton(): Component
    {
        $template = ($this->create_template)('withdrawal-section.html');
        $template->setVariable('TXT_WITHDRAWAL_HEADLINE', $this->ui->txt('withdraw_consent_header'));
        $template->setVariable('TXT_WITHDRAWAL', $this->ui->txt('withdraw_consent_description'));
        $template->setVariable(
            'BTN_WITHDRAWAL',
            ($this->render)(
                $this->ui->create()->button()->standard($this->ui->txt('withdraw_consent'), $this->legal_documents->withdrawal()->beginProcessURL())
            )
        );

        return $this->ui->create()->legacy()->content($template->get());
    }

    private function footer(Closure $footer, object $value): Closure
    {
        return $footer($this->legal_documents->id(), $this->ui->txt('usr_agreement'), $value);
    }
}