<?php declare(strict_types=1);
namespace Shopware\Core\Framework\DataAbstractionLayer\Indexing;
use Shopware\Core\Framework\DataAbstractionLayer\Event\EntityWrittenContainerEvent;
use Shopware\Core\Framework\DataAbstractionLayer\Indexing\MessageQueue\IterateEntityIndexerMessage;
use Shopware\Core\Framework\MessageQueue\Handler\AbstractMessageHandler;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Messenger\MessageBusInterface;
class EntityIndexerRegistry extends AbstractMessageHandler implements EventSubscriberInterface
{
public const USE_INDEXING_QUEUE = 'use-queue-indexing';
public const DISABLE_INDEXING = 'disable-indexing';
/**
* @var EntityIndexer[]
*/
private $indexer;
/**
* @var MessageBusInterface
*/
private $messageBus;
/**
* @var bool
*/
private $working = false;
public function __construct(iterable $indexer, MessageBusInterface $messageBus)
{
$this->indexer = $indexer;
$this->messageBus = $messageBus;
}
public static function getSubscribedEvents(): array
{
return [
EntityWrittenContainerEvent::class => [
['refresh', 1000],
],
];
}
public static function getHandledMessages(): iterable
{
return [
EntityIndexingMessage::class,
IterateEntityIndexerMessage::class,
];
}
public function index(bool $useQueue): void
{
foreach ($this->indexer as $indexer) {
$offset = null;
while ($message = $indexer->iterate($offset)) {
$message->setIndexer($indexer->getName());
$this->sendOrHandle($message, $useQueue);
$offset = $message->getOffset();
}
}
}
public function refresh(EntityWrittenContainerEvent $event): void
{
if ($this->working) {
return;
}
$this->working = true;
if ($event->getContext()->hasExtension(self::DISABLE_INDEXING)) {
$this->working = false;
return;
}
$useQueue = $event->getContext()->hasExtension(self::USE_INDEXING_QUEUE);
foreach ($this->indexer as $indexer) {
$message = $indexer->update($event);
if (!$message) {
continue;
}
$message->setIndexer($indexer->getName());
$this->sendOrHandle($message, $useQueue);
}
$this->working = false;
}
public function handle($message): void
{
if ($message instanceof EntityIndexingMessage) {
$indexer = $this->getIndexer($message->getIndexer());
if ($indexer) {
$indexer->handle($message);
}
return;
}
if ($message instanceof IterateEntityIndexerMessage) {
$next = $this->iterateIndexer($message->getIndexer(), $message->getOffset(), true);
if (!$next) {
return;
}
$this->messageBus->dispatch(new IterateEntityIndexerMessage($message->getIndexer(), $next->getOffset()));
return;
}
}
public function sendIndexingMessage(array $indexer = []): void
{
if (empty($indexer)) {
$indexer = [];
foreach ($this->indexer as $loop) {
$indexer[] = $loop->getName();
}
}
if (empty($indexer)) {
return;
}
foreach ($indexer as $name) {
$this->messageBus->dispatch(new IterateEntityIndexerMessage($name, null));
}
}
public function has(string $name): bool
{
return $this->getIndexer($name) !== null;
}
private function sendOrHandle(EntityIndexingMessage $message, bool $useQueue): void
{
if ($useQueue || $message->forceQueue()) {
$this->messageBus->dispatch($message);
return;
}
$this->handle($message);
}
private function getIndexer(string $name): ?EntityIndexer
{
foreach ($this->indexer as $indexer) {
if ($indexer->getName() === $name) {
return $indexer;
}
}
return null;
}
private function iterateIndexer(string $name, $offset, bool $useQueue): ?EntityIndexingMessage
{
$indexer = $this->getIndexer($name);
if (!$indexer instanceof EntityIndexer) {
throw new \RuntimeException(sprintf('Entity indexer with name %s not found', $name));
}
$message = $indexer->iterate($offset);
if (!$message) {
return null;
}
$message->setIndexer($indexer->getName());
$this->sendOrHandle($message, $useQueue);
return $message;
}
}