www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/book/src/Plugin/Validation/Constraint/BookOutlineConstraintValidator.php

   1 <?php
   2
   3 namespace Drupal\book\Plugin\Validation\Constraint;
   4
   5 use Drupal\book\BookManagerInterface;
   6 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
   7 use Symfony\Component\DependencyInjection\ContainerInterface;
   8 use Symfony\Component\Validator\Constraint;
   9 use Symfony\Component\Validator\ConstraintValidator;
  10
  11 /**
  12  * Constraint validator for changing the book outline in pending revisions.
  13  */
  14 class BookOutlineConstraintValidator extends ConstraintValidator implements ContainerInjectionInterface {
  15
  16   /**
  17    * The book manager.
  18    *
  19    * @var \Drupal\book\BookManagerInterface
  20    */
  21   protected $bookManager;
  22
  23   /**
  24    * Creates a new BookOutlineConstraintValidator instance.
  25    *
  26    * @param \Drupal\book\BookManagerInterface $book_manager
  27    *   The book manager.
  28    */
  29   public function __construct(BookManagerInterface $book_manager) {
  30     $this->bookManager = $book_manager;
  31   }
  32
  33   /**
  34    * {@inheritdoc}
  35    */
  36   public static function create(ContainerInterface $container) {
  37     return new static(
  38       $container->get('book.manager')
  39     );
  40   }
  41
  42   /**
  43    * {@inheritdoc}
  44    */
  45   public function validate($entity, Constraint $constraint) {
  46     if (isset($entity) && !$entity->isNew() && !$entity->isDefaultRevision()) {
  47       /** @var \Drupal\Core\Entity\ContentEntityInterface $original */
  48       $original = $this->bookManager->loadBookLink($entity->id(), FALSE) ?: [
  49         'bid' => 0,
  50         'weight' => 0,
  51       ];
  52       if (empty($original['pid'])) {
  53         $original['pid'] = -1;
  54       }
  55
  56       if ($entity->book['bid'] != $original['bid']) {
  57         $this->context->buildViolation($constraint->message)
  58           ->atPath('book.bid')
  59           ->setInvalidValue($entity)
  60           ->addViolation();
  61       }
  62       if ($entity->book['pid'] != $original['pid']) {
  63         $this->context->buildViolation($constraint->message)
  64           ->atPath('book.pid')
  65           ->setInvalidValue($entity)
  66           ->addViolation();
  67       }
  68       if ($entity->book['weight'] != $original['weight']) {
  69         $this->context->buildViolation($constraint->message)
  70           ->atPath('book.weight')
  71           ->setInvalidValue($entity)
  72           ->addViolation();
  73       }
  74     }
  75   }
  76
  77 }