cloud-8.x-2.0-beta1/modules/cloud_service_providers/k8s/src/Form/K8sNamespaceDeleteForm.php

<?php

namespace Drupal\k8s\Form;

use Drupal\Core\Form\FormStateInterface;
use Drupal\k8s\Service\K8sServiceException;

/**
 * Provides a form for deleting a Namespace entity.
 *
 * @ingroup k8s
 */
class K8sNamespaceDeleteForm extends K8sDeleteForm {

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $entity = $this->entity;

    try {
      $this->k8sService->setCloudContext($entity->getCloudContext());
      $this->k8sService->deleteNamespace([
        'metadata' => [
          'name' => $entity->getName(),
        ],
      ]);
      $message = $this->t('The @type "@label" has been deleted.', [
        '@type'  => $entity->getEntityType()->getLabel(),
        '@label' => $entity->label(),
      ]);

      $entity->delete();
      $this->messenger->addMessage($message);
    }
    catch (K8sServiceException $e) {
      $message = $this->t('The @type "@label" couldn\'t delete.', [
        '@type'  => $entity->getEntityType()->getLabel(),
        '@label' => $entity->label(),
      ]);
      $this->messenger->addError($message);
    }

    $form_state->setRedirect('view.k8s_namespace.list', ['cloud_context' => $entity->getCloudContext()]);
  }

}