ClusterDeleteForm.php in Elasticsearch Connector 8.6        
                          
                  
                        
  
  
  
  
File
  src/Form/ClusterDeleteForm.php
  
    View source  
  <?php
namespace Drupal\elasticsearch_connector\Form;
use Drupal\Core\Entity\EntityConfirmFormBase;
use Drupal\Core\Entity\EntityTypeManager;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Url;
use Drupal\elasticsearch_connector\ClusterManager;
use Drupal\elasticsearch_connector\ElasticSearch\ClientManagerInterface;
use Drupal\elasticsearch_connector\Entity\Cluster;
use Symfony\Component\DependencyInjection\ContainerInterface;
class ClusterDeleteForm extends EntityConfirmFormBase {
  
  private $clientManager;
  
  protected $entityManager;
  
  protected $clusterManager;
  
  public function __construct(EntityTypeManager $entity_manager, ClientManagerInterface $client_manager, ClusterManager $cluster_manager) {
    $this->entityManager = $entity_manager;
    $this->clientManager = $client_manager;
    $this->clusterManager = $cluster_manager;
  }
  
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager'), $container
      ->get('elasticsearch_connector.client_manager'), $container
      ->get('elasticsearch_connector.cluster_manager'));
  }
  
  public function getQuestion() {
    return t('Are you sure you want to delete the cluster %title?', [
      '%title' => $this->entity
        ->label(),
    ]);
  }
  
  public function getDescription() {
    return $this
      ->t('Deleting a cluster will disable all its indexes and their searches.');
  }
  
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $storage = $this->entityManager
      ->getStorage('elasticsearch_index');
    $indices = $storage
      ->loadByProperties([
      'server' => $this->entity->cluster_id,
    ]);
    
    if (count($indices)) {
      $this
        ->messenger()
        ->addError($this
        ->t('The cluster %title cannot be deleted as it still has indices.', [
        '%title' => $this->entity
          ->label(),
      ]));
      return;
    }
    if ($this->entity
      ->id() == $this->clusterManager
      ->getDefaultCluster()) {
      $this
        ->messenger()
        ->addError($this
        ->t('The cluster %title cannot be deleted as it is set as the default cluster.', [
        '%title' => $this->entity
          ->label(),
      ]));
    }
    else {
      $this->entity
        ->delete();
      $this
        ->messenger()
        ->addMessage($this
        ->t('The cluster %title has been deleted.', [
        '%title' => $this->entity
          ->label(),
      ]));
      $form_state
        ->setRedirect('elasticsearch_connector.config_entity.list');
    }
  }
  
  public function getConfirmText() {
    return $this
      ->t('Delete');
  }
  
  public function getCancelUrl() {
    return new Url('elasticsearch_connector.config_entity.list');
  }
}