function comment_node_update_index

Implements hook_node_update_index().

File

core/modules/comment/comment.module, line 443

Code

function comment_node_update_index(EntityInterface $node) {
    $index_comments =& drupal_static(__FUNCTION__);
    if ($index_comments === NULL) {
        // Do not index in the following three cases:
        // 1. 'Authenticated user' can search content but can't access comments.
        // 2. 'Anonymous user' can search content but can't access comments.
        // 3. Any role can search content but can't access comments and access
        // comments is not granted by the 'authenticated user' role. In this case
        // all users might have both permissions from various roles but it is also
        // possible to set up a user to have only search content and so a user
        // edit could change the security situation so it is not safe to index the
        // comments.
        $index_comments = TRUE;
        $roles = \Drupal::entityTypeManager()->getStorage('user_role')
            ->loadMultiple();
        $authenticated_can_access = $roles[RoleInterface::AUTHENTICATED_ID]->hasPermission('access comments');
        foreach ($roles as $rid => $role) {
            if ($role->hasPermission('search content') && !$role->hasPermission('access comments')) {
                if ($rid == RoleInterface::AUTHENTICATED_ID || $rid == RoleInterface::ANONYMOUS_ID || !$authenticated_can_access) {
                    $index_comments = FALSE;
                    break;
                }
            }
        }
    }
    $build = [];
    if ($index_comments) {
        foreach (\Drupal::service('comment.manager')->getFields('node') as $field_name => $info) {
            // Skip fields that entity does not have.
            if (!$node->hasField($field_name)) {
                continue;
            }
            $field_definition = $node->getFieldDefinition($field_name);
            $mode = $field_definition->getSetting('default_mode');
            $comments_per_page = $field_definition->getSetting('per_page');
            if ($node->get($field_name)->status) {
                $comments = \Drupal::entityTypeManager()->getStorage('comment')
                    ->loadThread($node, $field_name, $mode, $comments_per_page);
                if ($comments) {
                    $build[] = \Drupal::entityTypeManager()->getViewBuilder('comment')
                        ->viewMultiple($comments);
                }
            }
        }
    }
    return \Drupal::service('renderer')->renderPlain($build);
}