/**
* Count the files uploaded by a given user
*
- * @param $userid int The user id
+ * @param $itemid int The submission's id as the file's itemid.
* @return int
*/
- function count_user_files($userid) {
+ function count_user_files($itemid) {
$fs = get_file_storage();
- $files = $fs->get_area_files($this->context->id, 'mod_assignment', 'submission', $userid, "id", false);
+ $files = $fs->get_area_files($this->context->id, 'mod_assignment', 'submission', $itemid, "id", false);
return count($files);
}