/**
* Show the contest intro unless you are admin, or you
* already started this contest.
*/
public static function showContestIntro(Request $r)
{
try {
$r["contest"] = ContestsDAO::getByAlias($r["contest_alias"]);
} catch (Exception $e) {
throw new NotFoundException("contestNotFound");
}
if (is_null($r['contest'])) {
throw new NotFoundException("contestNotFound");
}
try {
// Half-authenticate, in case there is no session in place.
$session = SessionController::apiCurrentSession($r);
if ($session['valid'] && !is_null($session['user'])) {
$r["current_user"] = $session['user'];
$r["current_user_id"] = $session['user']->user_id;
}
self::canAccessContest($r);
} catch (Exception $e) {
// Could not access contest. Private contests must not be leaked, so
// unless they were manually added beforehand, show them a 404 error.
if (!ContestController::isInvitedToContest($r)) {
throw $e;
}
self::$log->error("Exception while trying to verify access: " . $e);
return ContestController::SHOW_INTRO;
}
$cs = SessionController::apiCurrentSession();
// You already started the contest.
$contestOpened = ContestsUsersDAO::getByPK($r['current_user_id'], $r["contest"]->getContestId());
if (!is_null($contestOpened) && $contestOpened->access_time != "0000-00-00 00:00:00") {
self::$log->debug("Not intro because you already started the contest");
return !ContestController::SHOW_INTRO;
}
return ContestController::SHOW_INTRO;
}
