function comment_node_update_index

Implements hook_node_update_index().

File

core/modules/comment/comment.module, line 1367

Enables users to comment on published content.

Code

function comment_node_update_index(Node $node) {
  $index_comments = &backdrop_static(__FUNCTION__);

  if ($index_comments === NULL) {
    // Find and save roles that can 'access comments' or 'search content'.
    $perms = array(
      'access comments' => array(),
      'search content' => array(),
    );
    $roles = user_roles(FALSE, NULL, TRUE);
    foreach ($roles as $role_name => $role) {
      if (in_array('access comments', $role->permissions)) {
        $perms['access comments'][$role_name] = $role_name;
      }
      if (in_array('search content', $role->permissions)) {
        $perms['search content'][$role_name] = $role_name;
      }
    }

    // Prevent indexing of comments if there are any roles that can search but
    // not view comments.
    $index_comments = TRUE;
    foreach ($perms['search content'] as $role_name) {
      if (!isset($perms['access comments'][$role_name]) && ($role_name === BACKDROP_ANONYMOUS_ROLE || $role_name === BACKDROP_AUTHENTICATED_ROLE || !isset($perms['access comments'][BACKDROP_AUTHENTICATED_ROLE]))) {
        $index_comments = FALSE;
        break;
      }
    }
  }

  if ($index_comments) {
    $node_type = node_type_get_type($node->type);
    $mode = $node_type->settings['comment_mode'];
    $comments_per_page = $node_type->settings['comment_per_page'];
    if ($node->comment && $cids = comment_get_thread($node, $mode, $comments_per_page)) {
      $comments = comment_load_multiple($cids);
      if ($comments) {
        comment_prepare_thread($comments);
        $build = comment_view_multiple($comments, $node);
        return backdrop_render($build);
      }
    }
  }
  return '';
}