public function actionProcess($num, FactorizationService $factorizationService, Connection $redis, Response $response)
{
$factors = $errorMsg = '';
if (PHP_INT_SIZE === 4) {
$maxInt = "2147483647";
} else {
$maxInt = "9223372036854775807";
}
try {
if (preg_match('#\\D#', $num)) {
throw new Exception('В числе должны быть только цифры.');
}
if (0 < strnatcmp((string) $num, (string) $maxInt)) {
throw new Exception('Слишком большое число.');
}
if ($factors = $redis->hget(self::HASH_KEY, $num)) {
$factors = unserialize($factors);
} else {
$factors = $factorizationService->trialDivision((int) $num);
if ($redis->hlen(self::HASH_KEY) == self::MAX_HASH_LEN) {
$redis->del(self::HASH_KEY);
}
$redis->hset(self::HASH_KEY, $num, serialize($factors));
}
} catch (Exception $e) {
$errorMsg = $e->getMessage();
}
$response->format = Response::FORMAT_JSON;
return ['data' => $factors, 'error' => $errorMsg];
}
