CatalogLinkDerivative.php in Commerce Demo 8.2

Namespace

Drupal\commerce_demo\Plugin\Derivative

File

src/Plugin/Derivative/CatalogLinkDerivative.php

<?php

namespace Drupal\commerce_demo\Plugin\Derivative;

use Drupal\Component\Plugin\Derivative\DeriverBase;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
use Drupal\taxonomy\TermInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides product catalog menu links.
 */
final class CatalogLinkDerivative extends DeriverBase implements ContainerDeriverInterface {

  /**
   * The taxonomy term storage.
   *
   * @var \Drupal\taxonomy\TermStorageInterface
   */
  protected $termStorage;

  /**
   * Constructs a new CatalogLinkDerivative object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entity type manager.
   *
   * @throws \Drupal\Component\Plugin\Exception\InvalidPluginDefinitionException
   * @throws \Drupal\Component\Plugin\Exception\PluginNotFoundException
   */
  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
    $this->termStorage = $entityTypeManager
      ->getStorage('taxonomy_term');
  }

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

  /**
   * {@inheritdoc}
   */
  public function getDerivativeDefinitions($base_plugin_definition) {
    $this->derivatives = [];
    $terms = $this->termStorage
      ->loadTree('product_categories', 0, NULL, TRUE);
    foreach ($terms as $term) {
      assert($term instanceof TermInterface);
      if (!$term
        ->isPublished()) {
        continue;
      }
      $parents = $this->termStorage
        ->loadParents($term
        ->id());
      $parent = reset($parents);
      if ($parent && !$parent
        ->isPublished()) {
        continue;
      }
      $menu_link_parent = NULL;
      if ($parent) {
        $menu_link_parent = 'catalog:' . $parent
          ->uuid();
      }
      $this->derivatives[$term
        ->uuid()] = [
        'route_name' => 'entity.taxonomy_term.canonical',
        'route_parameters' => [
          'taxonomy_term' => $term
            ->id(),
        ],
        'title' => $term
          ->label(),
        'expanded' => 1,
        'menu_name' => 'main',
        'parent' => $menu_link_parent,
      ] + $base_plugin_definition;
    }
    return $this->derivatives;
  }

}

Classes

Name	Description
CatalogLinkDerivative	Provides product catalog menu links.