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<?php declare(strict_types=1);
namespace Shopware\Core\System\Language;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\FetchMode;
use Shopware\Core\Defaults;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\CascadeDeleteCommand;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\DeleteCommand;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\InsertCommand;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\UpdateCommand;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Command\WriteCommand;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Validation\PostWriteValidationEvent;
use Shopware\Core\Framework\DataAbstractionLayer\Write\Validation\PreWriteValidationEvent;
use Shopware\Core\Framework\Uuid\Uuid;
use Shopware\Core\Framework\Validation\WriteConstraintViolationException;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Validator\ConstraintViolation;
use Symfony\Component\Validator\ConstraintViolationInterface;
use Symfony\Component\Validator\ConstraintViolationList;
class LanguageValidator implements EventSubscriberInterface
{
public const VIOLATION_PARENT_HAS_PARENT = 'parent_has_parent_violation';
public const VIOLATION_CODE_REQUIRED_FOR_ROOT_LANGUAGE = 'code_required_for_root_language';
public const VIOLATION_DELETE_DEFAULT_LANGUAGE = 'delete_default_language_violation';
public const VIOLATION_DEFAULT_LANGUAGE_PARENT = 'default_language_parent_violation';
public const DEFAULT_LANGUAGES = [Defaults::LANGUAGE_SYSTEM];
/**
* @var Connection
*/
private $connection;
/**
* @internal
*/
public function __construct(Connection $connection)
{
$this->connection = $connection;
}
public static function getSubscribedEvents(): array
{
return [
PreWriteValidationEvent::class => 'preValidate',
PostWriteValidationEvent::class => 'postValidate',
];
}
public function postValidate(PostWriteValidationEvent $event): void
{
$commands = $event->getCommands();
$affectedIds = $this->getAffectedIds($commands);
if (\count($affectedIds) === 0) {
return;
}
$violations = new ConstraintViolationList();
$violations->addAll($this->getInheritanceViolations($affectedIds));
$violations->addAll($this->getMissingTranslationCodeViolations($affectedIds));
if ($violations->count() > 0) {
$event->getExceptions()->add(new WriteConstraintViolationException($violations));
}
}
public function preValidate(PreWriteValidationEvent $event): void
{
$commands = $event->getCommands();
foreach ($commands as $command) {
$violations = new ConstraintViolationList();
if ($command instanceof CascadeDeleteCommand || $command->getDefinition()->getClass() !== LanguageDefinition::class) {
continue;
}
$pk = $command->getPrimaryKey();
$id = mb_strtolower(Uuid::fromBytesToHex($pk['id']));
if ($command instanceof DeleteCommand && $id === Defaults::LANGUAGE_SYSTEM) {
$violations->add(
$this->buildViolation(
'The default language {{ id }} cannot be deleted.',
['{{ id }}' => $id],
null,
'/' . $id,
$id,
self::VIOLATION_DELETE_DEFAULT_LANGUAGE
)
);
}
if ($command instanceof UpdateCommand && $id === Defaults::LANGUAGE_SYSTEM) {
$payload = $command->getPayload();
if (\array_key_exists('parent_id', $payload) && $payload['parent_id'] !== null) {
$violations->add(
$this->buildViolation(
'The default language {{ id }} cannot inherit from another language.',
['{{ id }}' => $id],
null,
'/parentId',
$payload['parent_id'],
self::VIOLATION_DEFAULT_LANGUAGE_PARENT
)
);
}
}
if ($violations->count() > 0) {
$event->getExceptions()->add(new WriteConstraintViolationException($violations, $command->getPath()));
}
}
}
private function getInheritanceViolations(array $affectedIds): ConstraintViolationList
{
$statement = $this->connection->executeQuery(
'SELECT child.id
FROM language child
INNER JOIN language parent ON parent.id = child.parent_id
WHERE (child.id IN (:ids) OR child.parent_id IN (:ids))
AND parent.parent_id IS NOT NULL',
['ids' => $affectedIds],
['ids' => Connection::PARAM_STR_ARRAY]
);
$ids = $statement->fetchAll(FetchMode::COLUMN);
$violations = new ConstraintViolationList();
foreach ($ids as $binId) {
$id = Uuid::fromBytesToHex($binId);
$violations->add(
$this->buildViolation(
'Language inheritance limit for the child {{ id }} exceeded. A Language must not be nested deeper than one level.',
['{{ id }}' => $id],
null,
'/' . $id . '/parentId',
$id,
self::VIOLATION_PARENT_HAS_PARENT
)
);
}
return $violations;
}
private function getMissingTranslationCodeViolations(array $affectedIds): ConstraintViolationList
{
$statement = $this->connection->executeQuery(
'SELECT lang.id
FROM language lang
LEFT JOIN locale l ON lang.translation_code_id = l.id
WHERE l.id IS NULL # no translation code
AND lang.parent_id IS NULL # root
AND lang.id IN (:ids)',
['ids' => $affectedIds],
['ids' => Connection::PARAM_STR_ARRAY]
);
$ids = $statement->fetchAll(FetchMode::COLUMN);
$violations = new ConstraintViolationList();
foreach ($ids as $binId) {
$id = Uuid::fromBytesToHex($binId);
$violations->add(
$this->buildViolation(
'Root language {{ id }} requires a translation code',
['{{ id }}' => $id],
null,
'/' . $id . '/translationCodeId',
$id,
self::VIOLATION_CODE_REQUIRED_FOR_ROOT_LANGUAGE
)
);
}
return $violations;
}
/**
* @param WriteCommand[] $commands
*
* @return string[]
*/
private function getAffectedIds(array $commands): array
{
$ids = [];
foreach ($commands as $command) {
if ($command->getDefinition()->getClass() !== LanguageDefinition::class) {
continue;
}
if ($command instanceof InsertCommand || $command instanceof UpdateCommand) {
$ids[] = $command->getPrimaryKey()['id'];
}
}
return $ids;
}
private function buildViolation(
string $messageTemplate,
array $parameters,
$root = null,
?string $propertyPath = null,
?string $invalidValue = null,
?string $code = null
): ConstraintViolationInterface {
return new ConstraintViolation(
str_replace(array_keys($parameters), array_values($parameters), $messageTemplate),
$messageTemplate,
$parameters,
$root,
$propertyPath,
$invalidValue,
null,
$code
);
}
}

vendor/shopware/core/System/Language/LanguageValidator.php line 72