Personio Integration: Mark all objects of given language during import as updated if WPML is used

personio_integration_wpml_import.php

/**
 * Personio Integration: Mark all objects of given language during import as updated if WPML is used.
 *
 * @param \PersonioIntegrationLight\PersonioIntegration\Import $import_obj The import object.
 *
 * @return void
 */
function custom_personio_integration_mark_positions_as_updated( \PersonioIntegrationLight\PersonioIntegration\Import $import_obj ): void {
    // get all positions for given Personio-URL.
    $positions = \PersonioIntegrationLight\PersonioIntegration\Positions::get_instance()->get_positions( -1, array( 'lang' => $import_obj->get_language() ) );

    // set update-marker for these positions to prevent their deletion.
    foreach ( $positions as $position ) {
        // bail if title is empty (wrong language).
        if( empty( $position->get_title() ) ) {
            continue;
        }
        update_post_meta($position->get_id(), WP_PERSONIO_INTEGRATION_UPDATED, 1);
    }
}
add_action( 'personio_integration_import_timestamp_no_changed', 'custom_personio_integration_mark_positions_as_updated' );