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<?php declare(strict_types=1);
/*
* (c) shopware AG <info@shopware.com>
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Swag\CmsExtensions\Form\Aggregate\FormGroupField\Validation;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Driver\ResultStatement;
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\PreWriteValidationEvent;
use Shopware\Core\Framework\Validation\WriteConstraintViolationException;
use Swag\CmsExtensions\Form\Aggregate\FormGroup\FormGroupDefinition;
use Swag\CmsExtensions\Form\Aggregate\FormGroupField\FormGroupFieldDefinition;
use Swag\CmsExtensions\Form\FormDefinition;
use Swag\CmsExtensions\Util\Administration\FormValidationController;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\Validator\Constraints\Regex;
use Symfony\Component\Validator\ConstraintViolation;
use Symfony\Component\Validator\ConstraintViolationList;
use Symfony\Component\Validator\ConstraintViolationListInterface;
use Symfony\Component\Validator\Validator\ValidatorInterface;
class TechnicalNameValidator implements EventSubscriberInterface
{
/**
* @var Connection
*/
private $connection;
/**
* @var ValidatorInterface
*/
private $validator;
public function __construct(Connection $connection, ValidatorInterface $validator)
{
$this->connection = $connection;
$this->validator = $validator;
}
public static function getSubscribedEvents(): array
{
return [
PreWriteValidationEvent::class => 'preValidate',
];
}
public function preValidate(PreWriteValidationEvent $event): void
{
if ($event->getContext()->hasExtension(FormValidationController::IS_FORM_VALIDATION)) {
// Skips validation, because administration has own unique validation
// This is needed, because simultaneous delete and create with same technicalName can not be validated
return;
}
$violationList = new ConstraintViolationList();
foreach ($event->getCommands() as $command) {
if (!($command instanceof InsertCommand || $command instanceof UpdateCommand)) {
continue;
}
if ($command->getDefinition()->getClass() !== FormGroupFieldDefinition::class) {
continue;
}
$violationList->addAll($this->validateTechnicalName($command, $event));
}
if ($violationList->count() > 0) {
$event->getExceptions()->add(new WriteConstraintViolationException($violationList));
return;
}
}
private function validateTechnicalName(WriteCommand $command, PreWriteValidationEvent $event): ConstraintViolationListInterface
{
$payload = $command->getPayload();
if (!isset($payload['technical_name'])) {
return new ConstraintViolationList();
}
$violationList = $this->validator->startContext()
->atPath(\sprintf('%s/technicalName', $command->getPath()))
->validate(
$payload['technical_name'],
new Regex([
'pattern' => "/^[^\s]+$/i",
'message' => 'The technical name may not include whitespace characters.',
])
)
->getViolations();
$formId = $this->getFormId($command, $event);
if ($formId === null) {
return $violationList;
}
if ($this->isTechnicalNameUniqueInForm($command->getPrimaryKey()['id'], $payload['technical_name'], $formId, $event)) {
return $violationList;
}
$messageTemplate = 'The technical name (%value%) is not unique in this form.';
$parameters = ['%value%' => $payload['technical_name'] ?? 'NULL'];
$violationList->add(new ConstraintViolation(
\str_replace(\array_keys($parameters), $parameters, $messageTemplate),
$messageTemplate,
$parameters,
null,
\sprintf('%s/technicalName', $command->getPath()),
null
));
return $violationList;
}
private function getFormId(WriteCommand $command, PreWriteValidationEvent $event, bool $loadFromConnection = true): ?string
{
foreach ($event->getCommands() as $groupCommand) {
if (!($groupCommand instanceof InsertCommand || $groupCommand instanceof UpdateCommand)
|| $groupCommand->getDefinition()->getClass() !== FormGroupDefinition::class
) {
continue;
}
$pathDiff = $groupCommand->getPath();
$pos = \mb_strpos($command->getPath(), $groupCommand->getPath());
if ($pos !== false) {
$pathDiff = \substr_replace($command->getPath(), '', $pos, \mb_strlen($groupCommand->getPath()));
}
$matches = [];
\preg_match('/^\/fields\/\d+/', $pathDiff, $matches);
if (empty($matches)) {
// are we writing a field with a group "underneath"
$pathDiff = \str_replace($command->getPath(), '', $groupCommand->getPath());
\preg_match('/^\/group/', $pathDiff, $matches);
}
if (!empty($matches)) {
$payload = $groupCommand->getPayload();
if (isset($payload[\sprintf('%s_id', FormDefinition::ENTITY_NAME)])) {
return $payload[\sprintf('%s_id', FormDefinition::ENTITY_NAME)];
}
}
}
if (!$loadFromConnection) {
return null;
}
$payload = $command->getPayload();
$groupId = $payload[\sprintf('%s_id', FormGroupDefinition::ENTITY_NAME)] ?? null;
if ($groupId === null) {
return null;
}
$query = $this->connection->createQueryBuilder()
->select(\sprintf('%s_id', FormDefinition::ENTITY_NAME))
->from(FormGroupDefinition::ENTITY_NAME)
->where('id = :id')
->setParameter('id', $groupId)
->setMaxResults(1)
->execute();
if (!($query instanceof ResultStatement)) {
return null;
}
$formId = $query->fetchColumn();
return $formId !== false ? $formId : null;
}
private function isTechnicalNameUniqueInForm(string $fieldId, string $technicalName, string $formId, PreWriteValidationEvent $event): bool
{
$ignoredIds = [$fieldId];
foreach ($event->getCommands() as $fieldCommand) {
if ($fieldCommand->getDefinition()->getClass() !== FormGroupFieldDefinition::class) {
continue;
}
if ($fieldId === $fieldCommand->getPrimaryKey()['id']) {
continue;
}
if ($fieldCommand instanceof DeleteCommand) {
$ignoredIds[] = $fieldCommand->getPrimaryKey()['id'];
continue;
}
$otherFormId = $this->getFormId($fieldCommand, $event, false);
if ($otherFormId !== $formId) {
continue;
}
$payload = $fieldCommand->getPayload();
if (isset($payload['technical_name']) && $payload['technical_name'] === $technicalName) {
return false;
}
}
$query = $this->connection->createQueryBuilder()
->select('field.technical_name')
->from(FormGroupFieldDefinition::ENTITY_NAME, 'field')
->leftJoin('field', FormGroupDefinition::ENTITY_NAME, 'formgroup', \sprintf('formgroup.id = field.%s_id', FormGroupDefinition::ENTITY_NAME))
->where('field.technical_name = :technical_name')
->andWhere('field.id NOT IN (:ids)')
->andWhere(\sprintf('formgroup.%s_id = :form_id', FormDefinition::ENTITY_NAME))
->setParameter('technical_name', $technicalName)
->setParameter('form_id', $formId)
->setParameter('ids', $ignoredIds, Connection::PARAM_STR_ARRAY)
->setMaxResults(1)
->execute();
if (!($query instanceof ResultStatement)) {
return true;
}
return !(bool) $query->fetchColumn();
}
}

custom/plugins/SwagCmsExtensions/src/Form/Aggregate/FormGroupField/Validation/TechnicalNameValidator.php line 54