class UserController

class UserController extends DrupalDefaultEntityController {
    function attachLoad(&$queried_users, $revision_id = FALSE) {
        // Build an array of user picture IDs so that these can be fetched later.
        $picture_fids = array();
        foreach ($queried_users as $key => $record) {
            $picture_fids[] = $record->picture;
            $queried_users[$key]->data = unserialize((string) $record->data);
            $queried_users[$key]->roles = array();
            if ($record->uid) {
                $queried_users[$record->uid]->roles[DRUPAL_AUTHENTICATED_RID] = 'authenticated user';
            }
            else {
                $queried_users[$record->uid]->roles[DRUPAL_ANONYMOUS_RID] = 'anonymous user';
            }
        }
        // Add any additional roles from the database.
        $result = db_query('SELECT r.rid, r.name, ur.uid FROM {role} r INNER JOIN {users_roles} ur ON ur.rid = r.rid WHERE ur.uid IN (:uids)', array(
            ':uids' => array_keys($queried_users),
        ));
        foreach ($result as $record) {
            $queried_users[$record->uid]->roles[$record->rid] = $record->name;
        }
        // Add the full file objects for user pictures if enabled.
        if (!empty($picture_fids) && variable_get('user_pictures', 0)) {
            $pictures = file_load_multiple(array_filter($picture_fids));
            foreach ($queried_users as $account) {
                if (!empty($account->picture) && isset($pictures[$account->picture])) {
                    $account->picture = $pictures[$account->picture];
                }
                else {
                    $account->picture = NULL;
                }
            }
        }
        // Call the default attachLoad() method. This will add fields and call
        // hook_user_load().
        parent::attachLoad($queried_users, $revision_id);
    }

}