CustomerIndexingMessage example

            if (!empty($payload['createdAt'])) {
                $this->dispatchCustomerRegisterEvent($payload['id'], $event);
            }
        }
    }

    private function dispatchCustomerRegisterEvent(string $customerId, EntityWrittenEvent $event): void
    {
        $context = $event->getContext();
        $message = new CustomerIndexingMessage([$customerId]);
        $this->customerIndexer->handle($message);

        $salesChannelContext = $this->restorer->restoreByCustomer($customerId, $context);

        if (!$customer = $salesChannelContext->getCustomer()) {
            return;
        }

        $customerCreated = new CustomerRegisterEvent(
            $salesChannelContext,
            $customer
        );

'createdAt' => (new \DateTime())->format(Defaults::STORAGE_DATE_TIME_FORMAT),
                'id' => $this->ids->get('customerId'),
            ],
        ];

        $event->expects(static::once())
            ->method('getPayloads')
            ->willReturn($payloads);

        $this->customerIndexer->expects(static::once())
            ->method('handle')
            ->with(new CustomerIndexingMessage([$this->ids->get('customerId')]));

        $customer = new CustomerEntity();
        $salesChannelContext = $this->createMock(SalesChannelContext::class);
        $salesChannelContext->expects(static::once())
            ->method('getCustomer')
            ->willReturn($customer);

        $this->restorer->expects(static::once())
            ->method('restoreByCustomer')
            ->willReturn($salesChannelContext);

        

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

        $ids = $iterator->fetch();

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

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

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

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

        $indexing = new CustomerIndexingMessage(array_values($updates), null, $event->getContext());