/**
* Onlinejudge_task_judged event handler
*
* Update the grade and etc.
*
* @param object task
*/
function onlinejudge_task_judged($task)
{
global $DB;
$sql = 'SELECT s.*
FROM {assignment_submissions} s LEFT JOIN {assignment_oj_submissions} o
ON s.id = o.submission
WHERE o.task = ?';
if (!($submission = $DB->get_record_sql($sql, array($task->id)))) {
return true;
// true means the event is processed. false will cause retry
}
$cm = get_coursemodule_from_instance('assignment', $submission->assignment);
$ass = new assignment_onlinejudge($cm->id, NULL, $cm);
$sql = 'SELECT s.*, t.subgrade
FROM {assignment_oj_submissions} s LEFT JOIN {assignment_oj_testcases} t
ON s.testcase = t.id
WHERE s.submission = ? AND s.latest = 1';
if (!($onlinejudges = $DB->get_records_sql($sql, array($submission->id)))) {
return true;
// true means the event is processed. false will cause retry
}
$finalgrade = 0;
foreach ($onlinejudges as $oj) {
if ($task = onlinejudge_get_task($oj->task)) {
$task->grade = $ass->grade_marker($task->status, $oj->subgrade);
if ($task->grade == -1) {
// Not all testcases are judged, or judge engines internal error
// In the case of internal error, keep old grade is reasonable
// since most of ie is caused by system
return true;
}
$finalgrade += $task->grade;
}
}
$submission->grade = $finalgrade;
$submission->timemarked = time();
$submission->mailed = 1;
// do not notify student by mail
$submission->teacher = get_admin()->id;
$DB->update_record('assignment_submissions', $submission);
$ass->update_grade($submission);
return true;
}
