function TaxonomyTermHierarchyConstraintValidator::validate

File

core/modules/taxonomy/src/Plugin/Validation/Constraint/TaxonomyTermHierarchyConstraintValidator.php, line 46

Class

TaxonomyTermHierarchyConstraintValidator

Constraint validator for changing term parents in pending revisions.

Namespace

Code

public function validate($entity, Constraint $constraint) {
    $term_storage = $this->entityTypeManager
        ->getStorage($entity->getEntityTypeId());
    assert($term_storage instanceof TermStorageInterface);
    // Newly created entities should be able to specify a parent.
    if ($entity && $entity->isNew()) {
        return;
    }
    $is_pending_revision = !$entity->isDefaultRevision();
    $pending_term_ids = $term_storage->getTermIdsWithPendingRevisions();
    $ancestors = $term_storage->loadAllParents($entity->id());
    $ancestor_is_pending_revision = (bool) array_intersect_key($ancestors, array_flip($pending_term_ids));
    $new_parents = array_column($entity->parent
        ->getValue(), 'target_id');
    $original_parents = array_keys($term_storage->loadParents($entity->id())) ?: [
        0,
    ];
    if (($is_pending_revision || $ancestor_is_pending_revision) && $new_parents != $original_parents) {
        $this->context
            ->buildViolation($constraint->message)
            ->atPath('parent')
            ->addViolation();
    }
    $original = $term_storage->loadUnchanged($entity->id());
    if (($is_pending_revision || $ancestor_is_pending_revision) && !$entity->weight
        ->equals($original->weight)) {
        $this->context
            ->buildViolation($constraint->message)
            ->atPath('weight')
            ->addViolation();
    }
}