class.ilObjectCustomUserFieldsPlaceholderValues.php

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<?php

declare(strict_types=1);

class ilObjectCustomUserFieldsPlaceholderValues implements ilCertificatePlaceholderValues
{
    private readonly ilCertificateObjectHelper $objectHelper;
    private readonly ilCertificateUtilHelper $utilHelper;

    public function __construct(
        ?ilCertificateObjectHelper $objectHelper = null,
        ?ilCertificateUtilHelper $utilHelper = null
    ) {
        if (null === $objectHelper) {
            $objectHelper = new ilCertificateObjectHelper();
        }
        $this->objectHelper = $objectHelper;
        if (null === $utilHelper) {
            $utilHelper = new ilCertificateUtilHelper();
        }
        $this->utilHelper = $utilHelper;
    }

    public function getPlaceholderValues(int $userId, int $objId): array
    {
        $user = $this->objectHelper->getInstanceByObjId($userId);
        if (!$user instanceof ilObjUser) {
            throw new ilException('The entered id: ' . $userId . ' is not an user object');
        }

        $course_defined_fields = ilCourseDefinedFieldDefinition::_getFields($objId);
        $field_values = ilCourseUserData::_getValuesByObjId($objId);

        $placeholder = [];
        foreach ($course_defined_fields as $field) {
            $field_id = $field->getId();

            $placeholderText = '+' . str_replace(' ', '_', ilStr::strToUpper($field->getName()));
            $placeholder[$placeholderText] =
                !empty($field_values[$userId][$field_id]) ?
                    $this->utilHelper->prepareFormOutput(trim($field_values[$userId][$field_id])) :
                    '';
        }

        return $placeholder;
    }

    public function getPlaceholderValuesForPreview(int $userId, int $objId): array
    {
        global $DIC;

        $lng = $DIC->language();

        $course_defined_fields = ilCourseDefinedFieldDefinition::_getFields($objId);

        $placeholder = [];
        foreach ($course_defined_fields as $field) {
            $placeholderText = '+' . str_replace(' ', '_', ilStr::strToUpper($field->getName()));

            $placeholder[$placeholderText] = $placeholderText . '_' . ilStr::strToUpper($lng->txt('value'));
        }

        return $placeholder;
    }
}