/**
* Create a new problem
*
* @throws ApiException
* @throws DuplicatedEntryInDatabaseException
* @throws InvalidDatabaseOperationException
*/
public static function apiCreate(Request $r)
{
self::authenticateRequest($r);
// Validates request
self::validateCreateOrUpdate($r);
// Populate a new Problem object
$problem = new Problems();
$problem->setPublic($r['public']);
/* private by default */
$problem->setTitle($r['title']);
$problem->setValidator($r['validator']);
$problem->setTimeLimit($r['time_limit']);
$problem->setValidatorTimeLimit($r['validator_time_limit']);
$problem->setOverallWallTimeLimit($r['overall_wall_time_limit']);
$problem->setExtraWallTime($r['extra_wall_time']);
$problem->setMemoryLimit($r['memory_limit']);
$problem->setOutputLimit($r['output_limit']);
$problem->setVisits(0);
$problem->setSubmissions(0);
$problem->setAccepted(0);
$problem->setDifficulty(0);
$problem->setSource($r['source']);
$problem->setOrder('normal');
/* defaulting to normal */
$problem->setAuthorId($r['current_user_id']);
$problem->setAlias($r['alias']);
$problem->setLanguages($r['languages']);
$problem->setStackLimit($r['stack_limit']);
$problem->setEmailClarifications($r['email_clarifications']);
if (file_exists(PROBLEMS_PATH . DIRECTORY_SEPARATOR . $r['alias'])) {
throw new DuplicatedEntryInDatabaseException('problemExists');
}
$problemDeployer = new ProblemDeployer($r['alias'], ProblemDeployer::CREATE);
// Insert new problem
try {
ProblemsDAO::transBegin();
// Create file after we know that alias is unique
$problemDeployer->deploy();
if ($problemDeployer->hasValidator) {
$problem->validator = 'custom';
} elseif ($problem->validator == 'custom') {
throw new ProblemDeploymentFailedException('problemDeployerValidatorRequired');
}
$problem->slow = $problemDeployer->isSlow($problem);
// Calculate output limit.
$output_limit = $problemDeployer->getOutputLimit();
if ($output_limit != -1) {
$problem->setOutputLimit($output_limit);
}
// Save the contest object with data sent by user to the database
ProblemsDAO::save($problem);
ProblemsDAO::transEnd();
// Commit at the very end
$problemDeployer->commit('Initial commit', $r['current_user']);
} catch (ApiException $e) {
// Operation failed in something we know it could fail, rollback transaction
ProblemsDAO::transRollback();
throw $e;
} catch (Exception $e) {
self::$log->error('Failed to upload problem');
self::$log->error($e);
// Operation failed unexpectedly, rollback transaction
ProblemsDAO::transRollback();
// Alias may be duplicated, 1062 error indicates that
if (strpos($e->getMessage(), '1062') !== false) {
throw new DuplicatedEntryInDatabaseException('problemTitleExists');
} else {
throw new InvalidDatabaseOperationException($e);
}
} finally {
$problemDeployer->cleanup();
}
// Adding unzipped files to response
$result['uploaded_files'] = $problemDeployer->filesToUnzip;
$result['status'] = 'ok';
$result['alias'] = $r['alias'];
return $result;
}