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<?php
/**
* @copyright Copyright (C) Ibexa AS. All rights reserved.
* @license For full copyright and license information view LICENSE file distributed with this source code.
*/
declare(strict_types=1);
namespace Ibexa\FieldTypePage\Event\Subscriber;
use Ibexa\AdminUi\Form\Type\UserChoiceType;
use Ibexa\Contracts\Core\Repository\Exceptions\NotFoundException;
use Ibexa\Contracts\Core\Repository\UserService;
use Ibexa\Contracts\Core\Repository\Values\User\User;
use Ibexa\FieldTypePage\Event\AttributeSerializationEvent;
use Ibexa\FieldTypePage\Event\PageEvents;
use Psr\Log\LoggerAwareInterface;
use Psr\Log\LoggerAwareTrait;
use Psr\Log\LoggerInterface;
use Psr\Log\NullLogger;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
final class UserAttributeSerializationSubscriber implements EventSubscriberInterface, LoggerAwareInterface
{
use LoggerAwareTrait;
private UserService $userService;
public function __construct(
UserService $userService,
?LoggerInterface $logger = null
) {
$this->userService = $userService;
$this->logger = $logger ?? new NullLogger();
}
public static function getSubscribedEvents(): array
{
return [
PageEvents::ATTRIBUTE_SERIALIZATION => ['onAttributeSerialization', 10],
PageEvents::ATTRIBUTE_DESERIALIZATION => ['onAttributeDeserialization', 10],
];
}
public function onAttributeSerialization(AttributeSerializationEvent $event): void
{
$attributeDefinition = $event->getAttributeDefinition();
if ($attributeDefinition === null || $attributeDefinition->getType() !== UserChoiceType::class) {
return;
}
$deserializedValue = $event->getDeserializedValue();
if ($deserializedValue === null) {
return;
}
if (!is_array($deserializedValue)) {
$deserializedValue = [$deserializedValue];
}
$event->setSerializedValue(
implode(
',',
array_map(static fn (User $value): int => $value->getUserId(), $deserializedValue),
),
);
$event->stopPropagation();
}
public function onAttributeDeserialization(AttributeSerializationEvent $event): void
{
$serializedValue = $event->getSerializedValue();
if (!is_string($serializedValue)) {
return;
}
$attributeDefinition = $event->getAttributeDefinition();
if ($attributeDefinition === null || $attributeDefinition->getType() !== UserChoiceType::class) {
return;
}
$isMultiple = $attributeDefinition->getOptions()['multiple'] ?? false;
if ($isMultiple) {
$this->handleMultipleUsers($serializedValue, $event);
return;
}
$this->handleSingleUser($serializedValue, $event);
}
private function handleSingleUser(string $serializedValue, AttributeSerializationEvent $event): void
{
try {
$user = $this->userService->loadUser((int)$serializedValue);
$event->setDeserializedValue($user);
} catch (NotFoundException $e) {
$this->logger->info(sprintf(
'User with ID %s was not found. Serialized value is discarded.',
$serializedValue,
));
}
$event->stopPropagation();
}
private function handleMultipleUsers(string $serializedValue, AttributeSerializationEvent $event): void
{
$serializedValues = explode(',', $serializedValue);
$users = [];
foreach ($serializedValues as $serializedValue) {
try {
$users[] = $this->userService->loadUser((int)$serializedValue);
} catch (NotFoundException $e) {
$this->logger->info(sprintf(
'User with ID %s was not found. Serialized value is discarded.',
$serializedValue,
));
}
}
$event->setDeserializedValue($users);
$event->stopPropagation();
}
}

vendor/ibexa/fieldtype-page/src/lib/Event/Subscriber/UserAttributeSerializationSubscriber.php line 45