/**
* Returns the best score of a problem.
* Problem must be loadad in $r["problem"]
* Contest could be loadad in $r["contest"]. If set, will only look for
* runs inside that contest.
*
* Authentication is expected to be performed earlier.
*
* @param Request $r
* @return float
* @throws InvalidDatabaseOperationException
*/
private static function bestScore(Request $r, Users $user = null)
{
$current_user_id = is_null($user) ? $r['current_user_id'] : $user->getUserId();
if (is_null($current_user_id)) {
return 0;
}
$score = 0;
try {
// Add best score info
if (is_null($r['contest'])) {
$score = RunsDAO::GetBestScore($r['problem']->getProblemId(), $current_user_id);
} else {
$bestRun = RunsDAO::GetBestRun($r['contest']->getContestId(), $r['problem']->getProblemId(), $current_user_id, strtotime($r['contest']->getFinishTime()), false);
$score = is_null($bestRun->getContestScore()) ? 0 : $bestRun->getContestScore();
}
} catch (Exception $e) {
throw new InvalidDatabaseOperationException($e);
}
return $score;
}
