*/ class MaxCount implements Validator { private const MAX_COUNT = 100; public function __construct(private Config $config) {} /** * @param Email $entity */ public function validate(Entity $entity, string $field, Data $data): ?Failure { if ($field === 'to') { $addresses = $entity->getToAddressList(); } else if ($field === 'cc') { $addresses = $entity->getCcAddressList(); } else if ($field === 'bcc') { $addresses = $entity->getBccAddressList(); } else { throw new LogicException(); } $maxCount = $this->config->get('emailRecipientAddressMaxCount') ?? self::MAX_COUNT; if (count($addresses) > $maxCount) { return Failure::create(); } return null; } }