MailInstallationSignature.php

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<?php

declare(strict_types=1);

namespace ILIAS\Mail\Signature;

use ilSetting;
use ILIAS\Mail\Placeholder\MailSignatureIliasUrlPlaceholder;
use ILIAS\Mail\Placeholder\MailSignatureInstallationNamePlaceholder;
use ILIAS\Mail\Placeholder\MailSignatureInstallationDescriptionPlaceholder;
use ILIAS\Mail\Placeholder\Placeholder;

class MailInstallationSignature implements Signature
{
    public const MAIL_INSTALLATION_SIGNATURE = 'mail_system_sys_general_signature';

    public function __construct(private readonly ilSetting $settings)
    {
    }

    public function getSignature(): string
    {
        return $this->settings->get($this->getPersistenceIdentifier(), '');
    }

    public function getPersistenceIdentifier(): string
    {
        return self::MAIL_INSTALLATION_SIGNATURE;
    }

    public function supports(Placeholder $placeholder): bool
    {
        return match ($placeholder::class) {
            MailSignatureIliasUrlPlaceholder::class,
            MailSignatureInstallationNamePlaceholder::class,
            MailSignatureInstallationDescriptionPlaceholder::class,
            => true,
            default => false,
        };
    }
}