class.ilTermsOfServiceUserHasLanguageCriterion.php

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<?php

declare(strict_types=1);

class ilTermsOfServiceUserHasLanguageCriterion implements ilTermsOfServiceCriterionType
{
    public function getTypeIdent(): string
    {
        return 'usr_language';
    }

    public function hasUniqueNature(): bool
    {
        return true;
    }

    public function evaluate(ilObjUser $user, ilTermsOfServiceCriterionConfig $config): bool
    {
        $lng = $config['lng'] ?? '';

        if (!is_string($lng) || 2 !== strlen($lng) || !is_string($user->getLanguage())) {
            return false;
        }

        return strtolower($lng) === strtolower($user->getLanguage());
    }

    public function ui(ilLanguage $lng): ilTermsOfServiceCriterionTypeGUI
    {
        return new ilTermsOfServiceUserHasLanguageCriterionGUI($this, $lng);
    }
}