public function SingleLegalDocumentPublishedVersionConstraintValidator::validate in Entity Legal 4.0.x

Same name and namespace in other branches

1. 8.2 src/Plugin/Validation/Constraint/SingleLegalDocumentPublishedVersionConstraintValidator.php \Drupal\entity_legal\Plugin\Validation\Constraint\SingleLegalDocumentPublishedVersionConstraintValidator::validate()
2. 3.0.x src/Plugin/Validation/Constraint/SingleLegalDocumentPublishedVersionConstraintValidator.php \Drupal\entity_legal\Plugin\Validation\Constraint\SingleLegalDocumentPublishedVersionConstraintValidator::validate()

File

src/Plugin/Validation/Constraint/SingleLegalDocumentPublishedVersionConstraintValidator.php, line 17

Class

SingleLegalDocumentPublishedVersionConstraintValidator

Provides a validator for the SingleLegalDocumentPublishedVersion constraint.

Namespace

Drupal\entity_legal\Plugin\Validation\Constraint

Code

public function validate($items, Constraint $constraint) {

  /** @var \Drupal\Core\Field\FieldItemListInterface $items */
  if ($items
    ->isEmpty()) {
    return;
  }
  $published = $items->value;
  if (!$published) {

    // Don't validate anything if the FALSE has been set.
    return;
  }

  /** @var \Drupal\Core\Entity\EntityInterface $entity */
  $entity = $items
    ->getEntity();
  $entity_type_id = $entity
    ->getEntityTypeId();
  if ($items
    ->getFieldDefinition()
    ->getName() !== 'published' || $entity_type_id !== 'entity_legal_document_version') {

    // The constraint has been set on wrong field.
    throw new \Exception("The SingleLegalDocumentPublishedVersion constraint cannot be set on other field than 'published' of 'entity_legal_document_version' entity type.");
  }
  $query = \Drupal::entityQuery($entity_type_id);

  // Using isset() instead of !empty() as 0 and '0' are valid ID values for
  // entity types using string IDs.
  if (isset($entity_id)) {
    $query
      ->condition('id', $entity_id, '<>');
  }
  $ids = $query
    ->condition('published', TRUE)
    ->condition('document_name', $entity
    ->bundle())
    ->range(0, 1)
    ->execute();
  if ($ids) {
    $id = reset($ids);
    $published_version = EntityLegalDocumentVersion::load($id);
    $legal_document = $published_version
      ->get('document_name')->entity
      ->label();
    $this->context
      ->addViolation($constraint->message, [
      '%legal_document' => $legal_document,
      '%version' => $published_version
        ->label(),
    ]);
  }
}