rdf_entity.install

<?php

/**
 * @file
 * Includes installation functions for the rdf_entity module.
 */

use Drupal\Core\Serialization\Yaml;
use Drupal\rdf_entity\Entity\RdfEntityGraph;
use Drupal\rdf_entity\Entity\RdfEntityMapping;
use Drupal\rdf_entity\Entity\RdfEntitySparqlStorage;

/**
 * Implements hook_requirements().
 */
function rdf_entity_requirements($phase) {
  $requirements = [];
  if ($phase !== 'runtime') {
    return $requirements;
  }

  $requirements += rdf_entity_virtuoso_version_requirements();
  // If the endpoint is not available, return early.
  if (
    isset($requirements['rdf_entity_endpoint']['severity']) &&
    $requirements['rdf_entity_endpoint']['severity'] === REQUIREMENT_ERROR
  ) {
    return $requirements;
  }

  $requirements += rdf_entity_virtuoso_permission_requirements();
  return $requirements;
}

/**
 * Move RDF entity mapping data from bundle entities into dedicated entities.
 */
function rdf_entity_update_8001() {
  $entity_type_manager = \Drupal::entityTypeManager();
  // Clear the cache, so the new entity type definitions are available.
  $entity_type_manager->clearCachedDefinitions();

  // Update or post-update scripts might need this config entity available when
  // they run. We don't wait on configuration synchronization, because that runs
  // usually after the database update, so we make this entity available in an
  // early stage of updates.
  $values = Yaml::decode(file_get_contents(__DIR__ . '/config/install/rdf_entity.graph.default.yml'));
  RdfEntityGraph::create($values)->save();

  // Iterate over all entities that are bundles of content entities with
  // RdfEntitySparqlStorage and move their 3rd party settings belonging to
  // rdf_entity module into their dedicated rdf_entity_mapping config entities.
  foreach ($entity_type_manager->getDefinitions() as $entity_type_id => $entity_type) {
    $storage = $entity_type_manager->getStorage($entity_type_id);
    if (!$storage instanceof RdfEntitySparqlStorage) {
      continue;
    }

    if ($bundle_entity_type_id = $entity_type->getBundleEntityType()) {
      $bundle_storage = $entity_type_manager->getStorage($bundle_entity_type_id);
      /** @var \Drupal\Core\Config\Entity\ConfigEntityBase $bundle_entity */
      foreach ($bundle_storage->loadMultiple() as $bundle => $bundle_entity) {
        $third_party_settings = $bundle_entity->getThirdPartySettings('rdf_entity');
        $values = [
          'entity_type_id' => $entity_type_id,
          'bundle' => $bundle,
        ] + $third_party_settings;
        // Rename key 'mapping' to 'base_fields_mapping'.
        $values['base_fields_mapping'] = $values['mapping'] ?? [];
        unset($values['mapping']);

        // Create and save the new 'rdf_entity_mapping' entity.
        RdfEntityMapping::create($values)->save();

        // Cleanup 3rd party settings from the bundle entity.
        foreach ($third_party_settings as $key => $value) {
          $bundle_entity->unsetThirdPartySetting('rdf_entity', $key);
        }
        $bundle_entity->save();
      }
    }
  }
}