NodeAccessTestLanguageHooks.php

<?php

declare (strict_types=1);
namespace Drupal\node_access_test_language\Hook;

use Drupal\node\NodeInterface;
use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for node_access_test_language.
 */
class NodeAccessTestLanguageHooks {
    
    /**
     * Implements hook_node_grants().
     *
     * This module defines a single grant realm. All users belong to this group.
     */
    public function nodeGrants($account, $operation) {
        $grants['node_access_language_test'] = [
            7888,
        ];
        return $grants;
    }
    
    /**
     * Implements hook_node_access_records().
     */
    public function nodeAccessRecords(NodeInterface $node) {
        $grants = [];
        // Create grants for each translation of the node.
        foreach ($node->getTranslationLanguages() as $langcode => $language) {
            // If the translation is not marked as private, grant access.
            $translation = $node->getTranslation($langcode);
            $grants[] = [
                'realm' => 'node_access_language_test',
                'gid' => 7888,
                'grant_view' => empty($translation->field_private->value) ? 1 : 0,
                'grant_update' => 0,
                'grant_delete' => 0,
                'langcode' => $langcode,
            ];
        }
        return $grants;
    }

}