function book_node_presave

Implements hook_node_presave().

File

modules/book/book.module, line 919

Code

function book_node_presave($node) {
    // Always save a revision for non-administrators.
    if (!empty($node->book['bid']) && !user_access('administer nodes')) {
        $node->revision = 1;
        // The database schema requires a log message for every revision.
        if (!isset($node->log)) {
            $node->log = '';
        }
    }
    // Make sure a new node gets a new menu link.
    if (empty($node->nid)) {
        $node->book['mlid'] = NULL;
    }
}