function forum_node_presave

Implements hook_node_presave().

Assigns the forum taxonomy when adding a topic from within a forum.

File

modules/forum/forum.module, line 327

Code

function forum_node_presave($node) {
    if (_forum_node_check_node_type($node)) {
        // Make sure all fields are set properly:
        $node->icon = !empty($node->icon) ? $node->icon : '';
        reset($node->taxonomy_forums);
        $langcode = key($node->taxonomy_forums);
        if (!empty($node->taxonomy_forums[$langcode])) {
            $node->forum_tid = $node->taxonomy_forums[$langcode][0]['tid'];
            if (isset($node->nid)) {
                $old_tid = db_query_range("SELECT f.tid FROM {forum} f INNER JOIN {node} n ON f.vid = n.vid WHERE n.nid = :nid ORDER BY f.vid DESC", 0, 1, array(
                    ':nid' => $node->nid,
                ))
                    ->fetchField();
                if ($old_tid && isset($node->forum_tid) && $node->forum_tid != $old_tid && !empty($node->shadow)) {
                    // A shadow copy needs to be created. Retain new term and add old term.
                    $node->taxonomy_forums[$langcode][] = array(
                        'tid' => $old_tid,
                    );
                }
            }
        }
    }
}