ReusableBlockProcessor.php in Gutenberg 8.2

Namespace

Drupal\gutenberg\BlockProcessor

File

src/BlockProcessor/ReusableBlockProcessor.php

<?php

namespace Drupal\gutenberg\BlockProcessor;

use Drupal\block_content\Entity\BlockContent;
use Drupal\Core\Cache\CacheableMetadata;
use Drupal\Core\Cache\RefinableCacheableDependencyInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Render\RendererInterface;
use Psr\Log\LoggerInterface;

/**
 * Processes Gutenberg reusable blocks.
 */
class ReusableBlockProcessor implements GutenbergBlockProcessorInterface {

  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Drupal\Core\Render\RendererInterface instance.
   *
   * @var \Drupal\Core\Render\RendererInterface
   */
  protected $renderer;

  /**
   * The Gutenberg logger.
   *
   * @var \Psr\Log\LoggerInterface
   */
  protected $logger;

  /**
   * ReusableBlockProcessor constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   * @param \Drupal\Core\Render\RendererInterface $renderer
   *   The renderer.
   * @param \Psr\Log\LoggerInterface $logger
   *   Gutenberg logger interface.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager, RendererInterface $renderer, LoggerInterface $logger) {
    $this->entityTypeManager = $entity_type_manager;
    $this->renderer = $renderer;
    $this->logger = $logger;
  }

  /**
   * {@inheritdoc}
   */
  public function processBlock(array &$block, &$block_content, RefinableCacheableDependencyInterface $bubbleable_metadata) {
    $block_attributes = $block['attrs'];
    if (empty($block_attributes['ref'])) {

      // This should not happen, and typically means there's a bug somewhere.
      $this->logger
        ->error('Missing reusable block reference ID.');
      return;
    }
    $bid = $block_attributes['ref'];
    $block_entity = BlockContent::load($bid);
    if ($block_entity) {
      $render = $this->entityTypeManager
        ->getViewBuilder('block_content')
        ->view($block_entity, 'reusable_block');
      $block_content = $this->renderer
        ->render($render);
      $bubbleable_metadata
        ->addCacheableDependency(CacheableMetadata::createFromRenderArray($render));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function isSupported(array $block, $block_content = '') {
    return $block['blockName'] === 'core/block';
  }

}

Classes

Name	Description
ReusableBlockProcessor	Processes Gutenberg reusable blocks.