public function refresh_grades($userid=0) {
        global $DB;
        if ($this->itemtype == 'mod') {
            if ($this->is_outcome_item()) {
                //nothing to do
                return true;
            }

            if (!$activity = $DB->get_record($this->itemmodule, array('id' => $this->iteminstance))) {
                debugging("Can not find $this->itemmodule activity with id $this->iteminstance");
                return false;
            }

            if (!$cm = get_coursemodule_from_instance($this->itemmodule, $activity->id, $this->courseid)) {
                debugging('Can not find course module');
                return false;
            }

            $activity->modname    = $this->itemmodule;
            $activity->cmidnumber = $cm->idnumber;

            return grade_update_mod_grades($activity, $userid);
        }

        return true;
    }
public function refresh_grades($userid=0) {
        global $DB;
        if ($this->itemtype == 'mod') {
            if ($this->is_outcome_item()) {
                //nothing to do
                return true;
            }

            if (!$activity = $DB->get_record($this->itemmodule, array('id' => $this->iteminstance))) {
                debugging("Can not find $this->itemmodule activity with id $this->iteminstance");
                return false;
            }

            if (!$cm = get_coursemodule_from_instance($this->itemmodule, $activity->id, $this->courseid)) {
                debugging('Can not find course module');
                return false;
            }

            $activity->modname    = $this->itemmodule;
            $activity->cmidnumber = $cm->idnumber;

            return grade_update_mod_grades($activity, $userid);
        }

        return true;
    }
public function refresh_grades ( $ userid = 0 ) { global $ DB ; if ( $ this -> itemtype == 'mod' ) { if ( $ this -> is_outcome_item ( ) ) { //nothing to do return true ; } if ( ! $ activity = $ DB -> get_record ( $ this -> itemmodule , array ( 'id' => $ this -> iteminstance ) ) ) { debugging ( "Can not find $this->itemmodule activity with id $this->iteminstance" ) ; return false ; } if ( ! $ cm = get_coursemodule_from_instance ( $ this -> itemmodule , $ activity -> id , $ this -> courseid ) ) { debugging ( 'Can not find course module' ) ; return false ; } $ activity -> modname = $ this -> itemmodule ; $ activity -> cmidnumber = $ cm -> idnumber ; return grade_update_mod_grades ( $ activity , $ userid ) ; } return true ; }
Refetch grades from modules, plugins.

@param int $userid optional, limit the refetch to a single user
@return bool Returns true on success or if there is nothing to do
Refetch grades from modules plugins .