function NavigationUserBlock::buildLinks

Lazy builder callback.

File

core/modules/navigation/src/Plugin/Block/NavigationUserBlock.php, line 46

Class

NavigationUserBlock

Defines a user navigation block.

Namespace

Code

public static function buildLinks(string $label) : array {
    $parameters = new MenuTreeParameters();
    $parameters->setMinDepth(0)
        ->setMaxDepth(2)
        ->onlyEnabledLinks();
    
    /** @var \Drupal\Core\Menu\MenuLinkTreeInterface $menu_tree */
    $menu_tree = \Drupal::service('navigation.menu_tree');
    $subtree = $menu_tree->load(static::NAVIGATION_LINKS_MENU, $parameters);
    // Load the current user so that they can be added as a cacheable dependency
    // of the final render array.
    $account = User::load(\Drupal::currentUser()->id());
    $menu_definition = [
        'menu_name' => static::NAVIGATION_LINKS_MENU,
        'route_name' => 'user.page',
        'route_parameters' => [],
        'title' => $account->getDisplayName(),
        'description' => '',
        'options' => [],
        'provider' => 'navigation',
        'enabled' => '1',
    ];
    // Create a parent link that serves as a wrapper.
    // If the menu is removed for any reason, this item shows a link to the
    // user profile page as a fallback.
    $link = MenuLinkDefault::create(\Drupal::getContainer(), [], 'navigation.user_links.user.wrapper', $menu_definition);
    $tree = new MenuLinkTreeElement($link, TRUE, 1, FALSE, $subtree);
    $manipulators = [
        [
            'callable' => 'menu.default_tree_manipulators:checkAccess',
        ],
        [
            'callable' => 'menu.default_tree_manipulators:generateIndexAndSort',
        ],
    ];
    $tree = $menu_tree->transform([
        $tree,
    ], $manipulators);
    $build = $menu_tree->build($tree);
    $build['#title'] = $label;
    $build['#cache']['contexts'][] = 'user';
    $cacheable_metadata = CacheableMetadata::createFromRenderArray($build);
    $cacheable_metadata->addCacheableDependency($account);
    $cacheable_metadata->applyTo($build);
    return $build;
}