NewsletterRecipientIndexingMessage example

public function iterate(?array $offset): ?EntityIndexingMessage
    {
        $iterator = $this->iteratorFactory->createIterator($this->repository->getDefinition(), $offset);

        $ids = $iterator->fetch();

        if (empty($ids)) {
            return null;
        }

        return new NewsletterRecipientIndexingMessage(array_values($ids), $iterator->getOffset());
    }

    public function update(EntityWrittenContainerEvent $event): ?EntityIndexingMessage
    {
        $updates = $event->getPrimaryKeys(NewsletterRecipientDefinition::ENTITY_NAME);

        if (empty($updates)) {
            return null;
        }

        return new NewsletterRecipientIndexingMessage(array_values($updates), null, $event->getContext());
    }

/** * @return array<string, string|array{0: string, 1: int}|list<array{0: string, 1?: int}>> */
    public static function getSubscribedEvents(): array
    {
        return [NewsletterEvents::NEWSLETTER_RECIPIENT_DELETED_EVENT => 'onNewsletterRecipientDeleted'];
    }

    public function onNewsletterRecipientDeleted(EntityDeletedEvent $event): void
    {
        $message = new NewsletterRecipientIndexingMessage($event->getIds(), null, $event->getContext());
        $message->setDeletedNewsletterRecipients(true);

        $this->messageBus->dispatch($message);
    }
}