/**
* Update activity grades
*
* @param object $assignment
* @param int $userid specific user only, 0 means all
*/
function assignment_update_grades($assignment, $userid=0, $nullifnone=true) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
if ($assignment->grade == 0) {
assignment_grade_item_update($assignment);
} else if ($grades = assignment_get_user_grades($assignment, $userid)) {
foreach($grades as $k=>$v) {
if ($v->rawgrade == -1) {
$grades[$k]->rawgrade = null;
}
}
assignment_grade_item_update($assignment, $grades);
} else {
assignment_grade_item_update($assignment);
}
}
/**
* Update grades by firing grade_updated event
*
* @param object $assignment null means all assignments
* @param int $userid specific user only, 0 mean all
*/
function assignment_update_grades($assignment = null, $userid = 0, $nullifnone = true)
{
global $CFG;
if (!function_exists('grade_update')) {
//workaround for buggy PHP versions
require_once $CFG->libdir . '/gradelib.php';
}
if ($assignment != null) {
if ($grades = assignment_get_user_grades($assignment, $userid)) {
foreach ($grades as $k => $v) {
if ($v->rawgrade == -1) {
$grades[$k]->rawgrade = null;
}
}
assignment_grade_item_update($assignment);
grade_update('mod/assignment', $assignment->courseid, 'mod', 'assignment', $assignment->id, 0, $grades);
}
} else {
$sql = "SELECT a.*, cm.idnumber as cmidnumber, a.course as courseid\n FROM {$CFG->prefix}assignment a, {$CFG->prefix}course_modules cm, {$CFG->prefix}modules m\n WHERE m.name='assignment' AND m.id=cm.module AND cm.instance=a.id";
if ($rs = get_recordset_sql($sql)) {
if ($rs->RecordCount() > 0) {
while ($assignment = rs_fetch_next_record($rs)) {
assignment_grade_item_update($assignment);
if ($assignment->grade != 0) {
assignment_update_grades($assignment);
}
}
}
rs_close($rs);
}
}
}
