TransitionAccessConstraintValidator.php in Scheduler content moderation integration 8

Namespace

Drupal\scheduler_content_moderation_integration\Plugin\Validation\Constraint

File

src/Plugin/Validation/Constraint/TransitionAccessConstraintValidator.php

<?php

namespace Drupal\scheduler_content_moderation_integration\Plugin\Validation\Constraint;

use Symfony\Component\Validator\Constraint;

/**
 * Validator for the TransitionAccessConstraint.
 */
class TransitionAccessConstraintValidator extends ConstraintValidatorBase {

  /**
   * {@inheritdoc}
   */
  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();
    }
  }

}

Classes

Name	Description
TransitionAccessConstraintValidator	Validator for the TransitionAccessConstraint.