views_handler_filter_node_access.inc

<?php


/**
 * @file
 * Definition of views_handler_filter_node_access.
 */

/**
 * Filter by node_access records.
 *
 * @ingroup views_filter_handlers
 */
class views_handler_filter_node_access extends views_handler_filter {
    
    /**
     * {@inheritdoc}
     */
    public function admin_summary() {
    }
    
    /**
     * {@inheritdoc}
     */
    public function operator_form(&$form, &$form_state) {
    }
    
    /**
     * {@inheritdoc}
     */
    public function can_expose() {
        return FALSE;
    }
    
    /**
     * See _node_access_where_sql() for a non-views query based implementation.
     */
    public function query() {
        if (!user_access('administer nodes') && module_implements('node_grants')) {
            $table = $this->ensure_my_table();
            $grants = db_or();
            foreach (node_access_grants('view') as $realm => $gids) {
                foreach ($gids as $gid) {
                    $grants->condition(db_and()->condition($table . '.gid', $gid)
                        ->condition($table . '.realm', $realm));
                }
            }
            $this->query
                ->add_where('AND', $grants);
            $this->query
                ->add_where('AND', $table . '.grant_view', 1, '>=');
        }
    }

}