ModuleInstallConfigTestSubscriber.php

<?php

declare (strict_types=1);
namespace Drupal\module_installer_config_subscriber\EventSubscriber;

use Drupal\Core\Config\ConfigCrudEvent;
use Drupal\Core\Config\ConfigEvents;
use Drupal\Core\Database\Connection;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\KeyValueStore\KeyValueFactoryInterface;
use Symfony\Component\DependencyInjection\Attribute\Autowire;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Test subscriber for configuration CRUD event.
 */
class ModuleInstallConfigTestSubscriber implements EventSubscriberInterface {
  public function __construct(protected readonly EntityTypeManagerInterface $entityTypeManager, protected readonly Connection $connection, #[Autowire(service: 'keyvalue')] protected readonly KeyValueFactoryInterface $keyValue) {
  }
  
  /**
   * Reacts to a test simple configuration object being installed.
   *
   * @param \Drupal\Core\Config\ConfigCrudEvent $event
   *   The ConfigCrudEvent to process.
   */
  public function onSave(ConfigCrudEvent $event) : void {
    if ($event->getConfig()
      ->getName() !== 'module_installer_config_subscriber.settings' || !$definition = $this->entityTypeManager
      ->getDefinition('node', FALSE)) {
      return;
    }
    $table = $definition->get('data_table');
    if (!$this->connection
      ->schema()
      ->tableExists($table)) {
      $this->keyValue
        ->get('module_installer_config_subscriber')
        ->set('node_tables_missing', TRUE);
    }
  }
  
  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() : array {
    $events[ConfigEvents::SAVE][] = [
      'onSave',
    ];
    return $events;
  }

}