UserSettings.php

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<?php

declare(strict_types=1);

namespace ILIAS\TermsOfService;

use ILIAS\LegalDocuments\ConsumerToolbox\UserSettings as UserSettingsInterface;
use ILIAS\LegalDocuments\ConsumerToolbox\Marshal;
use ilObjUser;
use ILIAS\LegalDocuments\ConsumerToolbox\SelectSetting;
use ILIAS\LegalDocuments\ConsumerToolbox\Convert;
use ILIAS\LegalDocuments\ConsumerToolbox\Setting;
use ILIAS\Refinery\Factory as Refinery;
use DateTimeImmutable;

class UserSettings implements UserSettingsInterface
{
    public function __construct(
        private readonly ilObjUser $user,
        private readonly SelectSetting $user_pref,
        private readonly Refinery $refinery
    ) {
    }

    public function withdrawalRequested(): Setting
    {
        return $this->user_pref->typed('consent_withdrawal_requested', fn(Marshal $m) => $m->boolean());
    }

    public function agreeDate(): Setting
    {
        return $this->setting($this->convert());
    }

    private function setting(Convert $convert): Setting
    {
        return new Setting(
            fn() => $convert->fromString()->transform($this->user->getAgreeDate()),
            function ($value) use ($convert): void {
                $this->user->setAgreeDate($convert->toString()->transform($value));
                $this->user->update();
            }
        );
    }

    private function convert(): Convert
    {
        $custom = $this->refinery->custom()->transformation(...);
        $null_or = fn($next) => $this->refinery->byTrying([$this->refinery->null(), $next]);

        return new Convert(
            $null_or($this->refinery->to()->dateTime()),
            $null_or($custom(fn(DateTimeImmutable $d): string => $d->format('Y-m-d H:i:s')))
        );
    }
}