public function TransitionAccessConstraintValidator::validate in Scheduler content moderation integration 8

File

src/Plugin/Validation/Constraint/TransitionAccessConstraintValidator.php, line 15

Class

TransitionAccessConstraintValidator

Validator for the TransitionAccessConstraint.

Namespace

Drupal\scheduler_content_moderation_integration\Plugin\Validation\Constraint

Code

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

  /** @var \Drupal\Core\Field\FieldItemList $value */
  assert($constraint instanceof TransitionAccessConstraint);
  $entity = $value
    ->getEntity();

  // No need to validate entities that are not moderated.
  if (!$this->moderationInformation
    ->isModeratedEntity($entity)) {
    return;
  }

  // No need to validate if a moderation state has not ben set.
  if ($value
    ->isEmpty()) {
    return;
  }
  $field_name = $value
    ->getName();

  // No need to validate when there is no time set.
  if ($field_name === 'publish_state' && !isset($entity->publish_on->value) || $field_name === 'unpublish_state' && !isset($entity->unpublish_on->value)) {
    return;
  }
  $from_state = $entity->moderation_state->value;
  $to_state = $value->value;

  // No need to validate if transition does not exist.
  if (!$this
    ->isValidTransition($entity, $from_state, $to_state)) {
    return;
  }
  $workflow = $this->moderationInformation
    ->getWorkflowForEntity($entity);
  $workflow_type = $workflow
    ->getTypePlugin();
  $from = $workflow_type
    ->getState($from_state);
  $to = $workflow_type
    ->getState($to_state);
  $transition = $from
    ->getTransitionTo($to_state);
  if (!$this->account
    ->hasPermission('use ' . $workflow
    ->id() . ' transition ' . $transition
    ->id())) {
    $this->context
      ->buildViolation($constraint->noAccessMessage, [
      '%original_state' => $from
        ->label(),
      '%new_state' => $to
        ->label(),
    ])
      ->atPath($field_name)
      ->addViolation();
  }
}