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- <?php
- namespace Drupal\Core\Entity\Plugin\Validation\Constraint;
- use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
- use Drupal\Core\Entity\ContentEntityInterface;
- use Drupal\Core\Entity\EntityChangesDetectionTrait;
- use Drupal\Core\Entity\EntityTypeManagerInterface;
- use Symfony\Component\DependencyInjection\ContainerInterface;
- use Symfony\Component\Validator\Constraint;
- use Symfony\Component\Validator\ConstraintValidator;
- /**
- * Validates the EntityChanged constraint.
- */
- class EntityUntranslatableFieldsConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
- use EntityChangesDetectionTrait;
- /**
- * The entity type manager.
- *
- * @var \Drupal\Core\Entity\EntityTypeManagerInterface
- */
- protected $entityTypeManager;
- /**
- * Constructs an EntityUntranslatableFieldsConstraintValidator object.
- *
- * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
- * The entity type manager.
- */
- public function __construct(EntityTypeManagerInterface $entity_type_manager) {
- $this->entityTypeManager = $entity_type_manager;
- }
- /**
- * {@inheritdoc}
- */
- public static function create(ContainerInterface $container) {
- return new static(
- $container->get('entity_type.manager')
- );
- }
- /**
- * {@inheritdoc}
- */
- public function validate($entity, Constraint $constraint) {
- /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
- /** @var \Drupal\Core\Entity\Plugin\Validation\Constraint\EntityUntranslatableFieldsConstraint $constraint */
- // Untranslatable field restrictions apply only to revisions of multilingual
- // entities.
- if ($entity->isNew() || !$entity->isTranslatable() || !$entity->getEntityType()->isRevisionable()) {
- return;
- }
- if ($entity->isDefaultRevision() && !$entity->isDefaultTranslationAffectedOnly()) {
- return;
- }
- // To avoid unintentional reverts and data losses, we forbid changes to
- // untranslatable fields in pending revisions for multilingual entities. The
- // only case where changes in pending revisions are acceptable is when
- // untranslatable fields affect only the default translation, in which case
- // a pending revision contains only one affected translation. Even in this
- // case, multiple translations would be affected in a single revision, if we
- // allowed changes to untranslatable fields while editing non-default
- // translations, so that is forbidden too. For the same reason, when changes
- // to untranslatable fields affect all translations, we can only allow them
- // in default revisions.
- if ($this->hasUntranslatableFieldsChanges($entity)) {
- if ($entity->isDefaultTranslationAffectedOnly()) {
- foreach ($entity->getTranslationLanguages(FALSE) as $langcode => $language) {
- if ($entity->getTranslation($langcode)->hasTranslationChanges()) {
- $this->context->addViolation($constraint->defaultTranslationMessage);
- break;
- }
- }
- }
- else {
- $this->context->addViolation($constraint->defaultRevisionMessage);
- }
- }
- }
- /**
- * Checks whether an entity has untranslatable field changes.
- *
- * @param \Drupal\Core\Entity\ContentEntityInterface $entity
- * A content entity object.
- *
- * @return bool
- * TRUE if untranslatable fields have changes, FALSE otherwise.
- */
- protected function hasUntranslatableFieldsChanges(ContentEntityInterface $entity) {
- $skip_fields = $this->getFieldsToSkipFromTranslationChangesCheck($entity);
- /** @var \Drupal\Core\Entity\ContentEntityInterface $original */
- if (isset($entity->original)) {
- $original = $entity->original;
- }
- else {
- $original = $this->entityTypeManager
- ->getStorage($entity->getEntityTypeId())
- ->loadRevision($entity->getLoadedRevisionId());
- }
- foreach ($entity->getFieldDefinitions() as $field_name => $definition) {
- if (in_array($field_name, $skip_fields, TRUE) || $definition->isTranslatable() || $definition->isComputed()) {
- continue;
- }
- $items = $entity->get($field_name)->filterEmptyItems();
- $original_items = $original->get($field_name)->filterEmptyItems();
- if ($items->hasAffectingChanges($original_items, $entity->getUntranslated()->language()->getId())) {
- return TRUE;
- }
- }
- return FALSE;
- }
- }
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