MenuTokenTreeStorage.php in Menu Token 8

Namespace

Drupal\menu_token\Service

File

src/Service/MenuTokenTreeStorage.php

<?php

namespace Drupal\menu_token\Service;

use Drupal\Core\Cache\Cache;
use Drupal\Core\Menu\MenuTreeStorage;

/**
 * Provides a menu tree storage using the database.
 */
class MenuTokenTreeStorage extends MenuTreeStorage {

  /**
   * {@inheritdoc}
   */
  public function rebuildNonDestructive(array $definitions) {
    $links = [];
    $children = [];
    $top_links = [];

    // Fetch the list of existing menus, in case some are not longer populated
    // after the rebuild.
    $before_menus = $this
      ->getMenuNames();
    if ($definitions) {
      foreach ($definitions as $id => $link) {

        // Flag this link as discovered, i.e. saved via rebuild().
        $link['discovered'] = 1;

        // Note: The parent we set here might be just stored in the {menu_tree}
        // table, so it will not end up in $top_links. Therefore the later loop
        // on the orphan links, will handle those cases.
        if (!empty($link['parent'])) {
          $children[$link['parent']][$id] = $id;
        }
        else {

          // A top level link - we need them to root our tree.
          $top_links[$id] = $id;
          $link['parent'] = '';
        }
        $links[$id] = $link;
      }
    }
    foreach ($top_links as $id) {
      $this
        ->saveRecursive($id, $children, $links);
    }

    // Handle any children we didn't find starting from top-level links.
    foreach ($children as $orphan_links) {
      foreach ($orphan_links as $id) {

        // Check for a parent that is not loaded above since only internal links
        // are loaded above.
        $parent = $this
          ->loadFull($links[$id]['parent']);

        // If there is a parent add it to the links to be used in
        // ::saveRecursive().
        if ($parent) {
          $links[$links[$id]['parent']] = $parent;
        }
        else {

          // Force it to the top level.
          $links[$id]['parent'] = '';
        }
        $this
          ->saveRecursive($id, $children, $links);
      }
    }
    $this
      ->resetDefinitions();
    $affected_menus = $this
      ->getMenuNames() + $before_menus;

    // Invalidate any cache tagged with any menu name.
    $cache_tags = Cache::buildTags('config:system.menu', $affected_menus, '.');
    $this->cacheTagsInvalidator
      ->invalidateTags($cache_tags);
    $this
      ->resetDefinitions();

    // Every item in the cache bin should have one of the menu cache tags but it
    // is not guaranteed, so invalidate everything in the bin.
    $this->menuCacheBackend
      ->invalidateAll();
  }

}

Classes

Name	Description
MenuTokenTreeStorage	Provides a menu tree storage using the database.