commerce-8.x-2.8/modules/payment/src/Form/PaymentMethodDeleteForm.php

<?php

namespace Drupal\commerce_payment\Form;

use Drupal\commerce_payment\Exception\PaymentGatewayException;
use Drupal\Core\Entity\ContentEntityDeleteForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides the payment method delete form.
 */
class PaymentMethodDeleteForm extends ContentEntityDeleteForm {

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    /** @var \Drupal\commerce_payment\Entity\PaymentMethodInterface $payment_method */
    $payment_method = $this->getEntity();
    /** @var \Drupal\commerce_payment\Plugin\Commerce\PaymentGateway\SupportsStoredPaymentMethodsInterface $payment_gateway_plugin */
    $payment_gateway_plugin = $payment_method->getPaymentGateway()->getPlugin();
    $form_state->setRedirectUrl($this->getRedirectUrl());
    try {
      $payment_gateway_plugin->deletePaymentMethod($payment_method);
    }
    catch (PaymentGatewayException $e) {
      $this->messenger()->addError($e->getMessage());
      return;
    }

    $this->messenger()->addMessage($this->getDeletionMessage());
    $this->logDeletionMessage();
  }

}