function MediaMappingsConstraintValidator::validate

File

core/modules/media/src/Plugin/Validation/Constraint/MediaMappingsConstraintValidator.php, line 19

Class

MediaMappingsConstraintValidator

Validates media mappings.

Namespace

Code

public function validate($value, Constraint $constraint) : void {
  if (!$constraint instanceof MediaMappingsConstraint) {
    throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\MediaMappingsConstraint');
  }
  if (!$value instanceof MediaTypeInterface) {
    throw new UnexpectedTypeException($value, MediaTypeInterface::class);
  }
  // The source field cannot be the target of a field mapping because that
  // would cause it to be overwritten, possibly with invalid data. This is
  // also enforced in the UI.
  if (is_array($value->getFieldMap())) {
    try {
      $source_field_name = $value->getSource()
        ->getSourceFieldDefinition($value)?->getName();
      if (in_array($source_field_name, $value->getFieldMap(), TRUE)) {
        $this->context
          ->addViolation($constraint->invalidMappingMessage, [
          '@source_field_name' => $source_field_name,
        ]);
      }
    } catch (PluginException) {
      // The source references an invalid plugin.
    }
  }
}