cms_content_sync-3.0.x-dev/src/Plugin/cms_content_sync/field_handler/DefaultPanelizerHandler.php

<?php

namespace Drupal\cms_content_sync\Plugin\cms_content_sync\field_handler;

use Drupal\cms_content_sync\Plugin\FieldHandlerBase;
use Drupal\cms_content_sync\PullIntent;
use Drupal\cms_content_sync\PushIntent;
use Drupal\cms_content_sync\SyncIntent;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\ctools\Plugin\BlockPluginCollection;

/**
 * Providing a handler for the panelizer module.
 *
 * @FieldHandler(
 *   id = "cms_content_sync_panelizer_field_handler",
 *   label = @Translation("Panelizer"),
 *   weight = 90
 * )
 */
class DefaultPanelizerHandler extends FieldHandlerBase {
  public const SUPPORTED_PROVIDERS = [
    'block_content',
    'ctools_block',
    'views',
    'system',
    'core',
    'language',
    'social_media',
  ];

  /**
   * {@inheritdoc}
   */
  public static function supports($entity_type, $bundle, $field_name, FieldDefinitionInterface $field) {
    $allowed = [
      'panelizer',
    ];

    return FALSE !== in_array($field->getType(), $allowed);
  }

  /**
   * {@inheritdoc}
   */
  public function getHandlerSettings($current_values, $type = 'both') {
    $options = [];

    if ('pull' !== $type) {
      $options = [
        'export_referenced_custom_blocks' => [
          '#type' => 'checkbox',
          '#title' => 'Push referenced custom blocks',
          '#default_value' => $this->shouldPushReferencedBlocks(),
        ],
      ];
    }

    return $options;
  }

  /**
   * {@inheritdoc}
   */
  public function pull(PullIntent $intent) {
    $action = $intent->getAction();
    $entity = $intent->getEntity();

    // Deletion doesn't require any action on field basis for static data.
    if (SyncIntent::ACTION_DELETE == $action) {
      return FALSE;
    }

    if ($intent->shouldMergeChanges()) {
      return FALSE;
    }

    if (PullIntent::PULL_AUTOMATICALLY != $this->settings['import']) {
      return FALSE;
    }

    $data = $intent->getProperty($this->fieldName);

    if (empty($data)) {
      $entity->set($this->fieldName, NULL);
    }
    else {
      $blockManager = \Drupal::service('plugin.manager.block');
      foreach ($data as &$item) {
        $display = &$item['panels_display'];
        if (!empty($display['blocks'])) {
          $values = [];
          $blockCollection = new BlockPluginCollection($blockManager, $display['blocks']);
          foreach ($display['blocks'] as $uuid => $definition) {
            if ('block_content' == $definition['provider']) {
              // Use entity ID, not config ID.
              [$type, $block_uuid] = explode(':', $definition['id']);
              $block = \Drupal::service('entity.repository')
                ->loadEntityByUuid($type, $block_uuid);
              if (!$block) {
                continue;
              }
            }
            elseif (!in_array($definition['provider'], self::SUPPORTED_PROVIDERS)) {
              continue;
            }

            if (!$blockCollection->get($uuid)) {
              $blockCollection->addInstanceId($uuid, $definition);
            }

            $values[$uuid] = $definition;
          }
          $display['blocks'] = $values;
        }
      }

      $entity->set($this->fieldName, $data);
    }

    return TRUE;
  }

  /**
   * {@inheritdoc}
   */
  public function push(PushIntent $intent) {
    $action = $intent->getAction();
    $entity = $intent->getEntity();

    if (PushIntent::PUSH_AUTOMATICALLY != $this->settings['export']) {
      return FALSE;
    }

    // Deletion doesn't require any action on field basis for static data.
    if (SyncIntent::ACTION_DELETE == $action) {
      return FALSE;
    }

    $data = $entity->get($this->fieldName)->getValue();

    foreach ($data as &$item) {
      $display = &$item['panels_display'];
      unset($display['storage_id']);

      if (!empty($display['blocks'])) {
        $blocks = [];
        foreach ($display['blocks'] as $uuid => $definition) {
          if ('block_content' == $definition['provider']) {
            // Use entity ID, not config ID.
            [$type, $uuid] = explode(':', $definition['id']);
            $block = \Drupal::service('entity.repository')
              ->loadEntityByUuid($type, $uuid);

            if ($this->shouldPushReferencedBlocks()) {
              $intent->addDependency($block);
            }
            else {
              $intent->addReference($block);
            }
          }
          elseif (!in_array($definition['provider'], self::SUPPORTED_PROVIDERS)) {
            continue;
          }

          $blocks[$uuid] = $definition;
        }

        $display['blocks'] = $blocks;
      }
    }

    $intent->setProperty($this->fieldName, $data);

    return TRUE;
  }

  /**
   *
   */
  protected function shouldPushReferencedBlocks() {
    return isset($this->settings['handler_settings']['export_referenced_custom_blocks']) && 0 === $this->settings['handler_settings']['export_referenced_custom_blocks'] ? 0 : 1;
  }

}