arch-8.x-1.x-dev/modules/checkout/src/Routing/OrderIdParamConverter.php

<?php

namespace Drupal\arch_checkout\Routing;

use Drupal\Component\Utility\Xss;
use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\ParamConverter\ParamConverterInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\Routing\Route;

/**
 * Parameter converter for upcasting order id to order object.
 */
class OrderIdParamConverter implements ParamConverterInterface, ContainerInjectionInterface {

  /**
   * Entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;

  /**
   * Order storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $orderStorage;

  /**
   * OrderIdParamConverter constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   Entity type manager.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function __construct(
    EntityTypeManagerInterface $entityTypeManager,
  ) {
    $this->entityTypeManager = $entityTypeManager;

    $this->orderStorage = $entityTypeManager->getStorage('order');
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('entity_type.manager')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function applies($definition, $name, Route $route) {
    return isset($definition['type']) && $definition['type'] == 'arch_checkout_order_id';
  }

  /**
   * {@inheritdoc}
   */
  public function convert($value, $definition, $name, array $defaults) {
    $order_id = Xss::filter($value);

    // First, we try loading order by id.
    $order = $this->orderStorage->load($order_id);
    if (empty($order)) {
      // Second, we also try loading order by order number.
      $order = $this->orderStorage->loadByProperties(['order_number' => $order_id]);
    }

    // If no order found, we return NULL.
    if (empty($order)) {
      return NULL;
    }

    return $order;
  }

}