Issue #3104660 by jasonawant: Replace global drupal class usage in PriceSpiderRoutes

namespace Drupal\pricespider\Routing;

use Drupal\Core\Config\ConfigFactoryInterface;

use Drupal\Core\DependencyInjection\ContainerInjectionInterface;

use Symfony\Component\DependencyInjection\ContainerInterface;

use Symfony\Component\Routing\Route;

/**

 * Class PriceSpiderRoutes.

 */

class PriceSpiderRoutes {

class PriceSpiderRoutes implements ContainerInjectionInterface {

  /**

   * The Drupal Config Factory.

   *

   * @var \Drupal\Core\Config\ConfigFactoryInterface

   */

  protected $configFactory;

  /**

   * Constructs a new PriceSpiderRoutes object.

   *

   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory

   *   Drupal config factory.

   */

  public function __construct(ConfigFactoryInterface $config_factory) {

    $this->configFactory = $config_factory;

  }

  /**

   * {@inheritdoc}

   */

  public static function create(ContainerInterface $container) {

    return new static(

      $container->get('config.factory')

    );

  }

  /**

   * Returns an array of route objects.

    $routes = [];

    // Have a uri for the Where to buy page?

    if ($wtb_uri = \Drupal::config('pricespider.settings')->get('wtb.uri')) {

    if ($wtb_uri = $this->configFactory->get('pricespider.settings')->get('wtb.uri')) {

      $routes['pricespider.wtb'] = new Route(

      // Path to attach route to.

        $wtb_uri,