public static function getTask()
{
//find records whose record_judger_id = 0
$db = BFL_Database::getInstance();
$stmt = $db->factory('select `record_id`,`record_prob_id` from ' . DB_TABLE_RECORD . ' where `record_judger_id` = 0 order by `record_id` asc');
$stmt->execute();
$task = $stmt->fetch();
if (!$task) {
return array();
}
$record_meta = new MDL_Record_Meta($task['record_id']);
$task['language'] = $record_meta->getVar('lang');
$task['source'] = $record_meta->getVar('source');
$submit_time = $record_meta->getVar('submit_time');
$task['task_name'] = 'vkm_' . $task['record_id'];
$prob_names = MDL_Problem_Show::getProblemName($task['record_prob_id']);
$task['prob_name'] = $prob_names['prob_name'];
unset($task['record_prob_id']);
return $task;
}
public static function resetRecord($record_id)
{
$db = BFL_Database::getInstance();
$stmt = $db->update(DB_TABLE_RECORD, '`record_judger_id` = 0', 'where `record_id`=:record_id');
$stmt->bindParam(':record_id', $record_id);
$stmt->execute();
$record_meta = new MDL_Record_Meta($record_id);
$meta = array('status' => self::STATUS_WAITING, 'result' => '', 'memory' => '0', 'time' => '0', 'score' => 0.0);
$record_meta->setVars($meta);
}
