function EntityUntranslatableFieldsConstraintValidator::validate

File

core/lib/Drupal/Core/Entity/Plugin/Validation/Constraint/EntityUntranslatableFieldsConstraintValidator.php, line 49

Class

EntityUntranslatableFieldsConstraintValidator

Validates the EntityChanged constraint.

Namespace

Code

public function validate($entity, Constraint $constraint) : void {
    
    /** @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);
        }
    }
}