function forum_field_storage_pre_update in Drupal 7

Implements hook_field_storage_pre_update().

File

modules/forum/forum.module, line 550

Provides discussion forums.

Code

function forum_field_storage_pre_update($entity_type, $entity, &$skip_fields) {
  $first_call =& drupal_static(__FUNCTION__, array());
  if ($entity_type == 'node' && _forum_node_check_node_type($entity)) {

    // If the node is published, update the forum index.
    if ($entity->status) {

      // We don't maintain data for old revisions, so clear all previous values
      // from the table. Since this hook runs once per field, per object, make
      // sure we only wipe values once.
      if (!isset($first_call[$entity->nid])) {
        $first_call[$entity->nid] = FALSE;
        db_delete('forum_index')
          ->condition('nid', $entity->nid)
          ->execute();
      }
      $query = db_insert('forum_index')
        ->fields(array(
        'nid',
        'title',
        'tid',
        'sticky',
        'created',
        'comment_count',
        'last_comment_timestamp',
      ));
      foreach ($entity->taxonomy_forums as $language) {
        foreach ($language as $item) {
          $query
            ->values(array(
            'nid' => $entity->nid,
            'title' => $entity->title,
            'tid' => $item['tid'],
            'sticky' => $entity->sticky,
            'created' => $entity->created,
            'comment_count' => 0,
            'last_comment_timestamp' => $entity->created,
          ));
        }
      }
      $query
        ->execute();

      // The logic for determining last_comment_count is fairly complex, so
      // call _forum_update_forum_index() too.
      _forum_update_forum_index($entity->nid);
    }
    else {
      db_delete('forum_index')
        ->condition('nid', $entity->nid)
        ->execute();
    }
  }
}