SyndicateBlock.php

<?php

namespace Drupal\node\Plugin\Block;

use Drupal\Core\Access\AccessResult;
use Drupal\Core\Block\Attribute\Block;
use Drupal\Core\Block\BlockBase;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Url;

/**
 * Provides a 'Syndicate' block that links to the site's RSS feed.
 *
 * @deprecated in drupal:11.2.0 and is removed from drupal:12.0.0. There is no
 *   replacement.
 *
 * @see https://www.drupal.org/node/3519248
 */
class SyndicateBlock extends BlockBase implements ContainerFactoryPluginInterface {
  
  /**
   * The config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactoryInterface
   */
  protected $configFactory;
  
  /**
   * Constructs a SyndicateBlock object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin ID for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Config\ConfigFactoryInterface $configFactory
   *   The config factory.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, ConfigFactoryInterface $configFactory) {
    @trigger_error('The Syndicate block is deprecated in drupal:11.2.0 and will be removed from drupal:12.0.0. There is no replacement. See https://www.drupal.org/node/3519248', E_USER_DEPRECATED);
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->configFactory = $configFactory;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static($configuration, $plugin_id, $plugin_definition, $container->get('config.factory'));
  }
  
  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'block_count' => 10,
    ];
  }
  
  /**
   * {@inheritdoc}
   */
  protected function blockAccess(AccountInterface $account) {
    return AccessResult::allowedIfHasPermission($account, 'access content');
  }
  
  /**
   * {@inheritdoc}
   */
  public function build() {
    $title = $this->configuration['label'];
    return [
      '#theme' => 'feed_icon',
      '#url' => Url::fromUri('internal:/rss.xml'),
      '#title' => $title,
    ];
  }

}