/**
* Update a Contest
*
* @param Request $r
* @return array
* @throws InvalidDatabaseOperationException
*/
public static function apiUpdate(Request $r)
{
if (OMEGAUP_LOCKDOWN) {
throw new ForbiddenAccessException("lockdown");
}
// Authenticate request
self::authenticateRequest($r);
// Validate request
self::validateCreateOrUpdate($r, true);
// Update contest DAO
if (!is_null($r["public"])) {
// If going public
if ($r["public"] == 1) {
self::validateContestCanBePublic($r["contest"]);
}
$r["contest"]->setPublic($r["public"]);
}
$valueProperties = array("title", "description", "start_time" => array("transform" => function ($value) {
return gmdate('Y-m-d H:i:s', $value);
}), "finish_time" => array("transform" => function ($value) {
return gmdate('Y-m-d H:i:s', $value);
}), "window_length" => array("transform" => function ($value) {
return $value == "NULL" ? NULL : $value;
}), "scoreboard", "points_decay_factor", "partial_score", "submissions_gap", "feedback", "penalty" => array("transform" => function ($value) {
return max(0, intval($value));
}), "penalty_type", "penalty_calc_policy", "show_scoreboard_after", "contestant_must_register");
self::updateValueProperties($r, $r["contest"], $valueProperties);
// Push changes
try {
// Begin a new transaction
ContestsDAO::transBegin();
// Save the contest object with data sent by user to the database
ContestsDAO::save($r["contest"]);
// If the contest is private, add the list of allowed users
if (!is_null($r["public"]) && $r["public"] != 1 && $r["hasPrivateUsers"]) {
// Get current users
$cu_key = new ContestsUsers(array("contest_id" => $r["contest"]->getContestId()));
$current_users = ContestsUsersDAO::search($cu_key);
$current_users_id = array();
foreach ($current_users as $cu) {
array_push($current_users_id, $current_users->getUserId());
}
// Check who needs to be deleted and who needs to be added
$to_delete = array_diff($current_users_id, $r["private_users_list"]);
$to_add = array_diff($r["private_users_list"], $current_users_id);
// Add users in the request
foreach ($to_add as $userkey) {
// Create a temp DAO for the relationship
$temp_user_contest = new ContestsUsers(array("contest_id" => $r["contest"]->getContestId(), "user_id" => $userkey, "access_time" => "0000-00-00 00:00:00", "score" => 0, "time" => 0));
// Save the relationship in the DB
ContestsUsersDAO::save($temp_user_contest);
}
// Delete users
foreach ($to_delete as $userkey) {
// Create a temp DAO for the relationship
$temp_user_contest = new ContestsUsers(array("contest_id" => $r["contest"]->getContestId(), "user_id" => $userkey));
// Delete the relationship in the DB
ContestsUsersDAO::delete(ContestProblemsDAO::search($temp_user_contest));
}
}
if (!is_null($r['problems'])) {
// Get current problems
$p_key = new Problems(array("contest_id" => $r["contest"]->getContestId()));
$current_problems = ProblemsDAO::search($p_key);
$current_problems_id = array();
foreach ($current_problems as $p) {
array_push($current_problems_id, $p->getProblemId());
}
// Check who needs to be deleted and who needs to be added
$to_delete = array_diff($current_problems_id, self::$problems_id);
$to_add = array_diff(self::$problems_id, $current_problems_id);
foreach ($to_add as $problem) {
$contest_problem = new ContestProblems(array('contest_id' => $r["contest"]->getContestId(), 'problem_id' => $problem, 'points' => $r["problems"][$problem]['points']));
ContestProblemsDAO::save($contest_problem);
}
foreach ($to_delete as $problem) {
$contest_problem = new ContestProblems(array('contest_id' => $r["contest"]->getContestId(), 'problem_id' => $problem));
ContestProblemsDAO::delete(ContestProblemsDAO::search($contest_problem));
}
}
// End transaction
ContestsDAO::transEnd();
} catch (Exception $e) {
// Operation failed in the data layer, rollback transaction
ContestsDAO::transRollback();
throw new InvalidDatabaseOperationException($e);
}
// Expire contest-info cache
Cache::deleteFromCache(Cache::CONTEST_INFO, $r["contest_alias"]);
// Expire contest scoreboard cache
Scoreboard::InvalidateScoreboardCache($r["contest"]->getContestId());
// Happy ending
$response = array();
$response["status"] = 'ok';
self::$log->info("Contest updated (alias): " . $r['contest_alias']);
return $response;
}