コード例 #1
0
 /**
  * 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;
 }