function multiversion_menu_links_discovered_alter in Multiversion 8

Same name and namespace in other branches

1. 8.2 multiversion.module \multiversion_menu_links_discovered_alter()

Implements hook_menu_links_discovered_alter().

File

./multiversion.module, line 552

Code

function multiversion_menu_links_discovered_alter(&$links) {

  // Get all custom menu links and set links with the correct ID.
  // The ID format now will be 'menu_link_content:ENTITY_UUID:ENTITY_ID' - we
  // need to change it because we need new entry in the menu_tree table for the
  // same link on different workspaces.
  // The old ID format is 'menu_link_content:ENTITY_UUID'.
  if (\Drupal::moduleHandler()
    ->moduleExists('menu_link_content')) {
    $storage = \Drupal::entityTypeManager()
      ->getStorage('menu_link_content');
    if (\Drupal::service('multiversion.manager')
      ->isEnabledEntityType($storage
      ->getEntityType())) {
      $workspaces = Workspace::loadMultiple();
      foreach ($workspaces as $workspace_id => $workspace) {
        $storage
          ->useWorkspace($workspace_id);
        $menu_link_content_entities = $storage
          ->loadMultiple();
        $new_ids = [];
        $links_to_purge = [];

        /** @var \Drupal\menu_link_content\MenuLinkContentInterface $menu_link_content */
        foreach ($menu_link_content_entities as $menu_link_content) {

          // Unset links with old ID format.
          $uuid = $menu_link_content
            ->uuid();
          $old_id = "menu_link_content:{$uuid}";
          $new_id = "{$old_id}:" . $menu_link_content
            ->id();
          if (isset($links[$old_id])) {
            $links_to_purge[] = $old_id;
            unset($links[$old_id]);
          }
          $new_ids[$old_id] = $new_id;
          if (!isset($links[$new_id])) {
            $links[$new_id] = $menu_link_content
              ->getPluginDefinition();
          }

          // Set a new plugin class tha will handle new ID format.
          $links[$new_id]['class'] = 'Drupal\\multiversion\\Plugin\\Menu\\MenuLinkContent';
        }
        if ($links_to_purge) {
          \Drupal::service('menu.tree_storage')
            ->purgeMultiple($links_to_purge);
        }
        foreach ($links as $id => $link) {
          if (!empty($link['parent']) && in_array($link['parent'], array_keys($new_ids))) {
            $links[$id]['parent'] = $new_ids[$link['parent']];
          }
        }
        $storage
          ->useWorkspace(NULL);
      }
    }
  }
}