UserLazyBuilder.php

<?php

declare (strict_types=1);
namespace Drupal\navigation;

use Drupal\Core\Extension\ModuleHandlerInterface;
use Drupal\Core\Security\TrustedCallbackInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Url;

/**
 * User navigation block lazy builder.
 *
 * @internal The navigation module is experimental.
 */
final class UserLazyBuilder implements TrustedCallbackInterface {
    use StringTranslationTrait;
    
    /**
     * Constructs an UserLazyBuilder object.
     *
     * @param \Drupal\Core\Extension\ModuleHandlerInterface $moduleHandler
     *   The module handler.
     * @param \Drupal\Core\Session\AccountProxyInterface $account
     *   The current user.
     */
    public function __construct(ModuleHandlerInterface $moduleHandler, AccountProxyInterface $account) {
    }
    
    /**
     * Lazy builder callback for rendering navigation links.
     *
     * @return array
     *   A renderable array as expected by the renderer service.
     */
    public function renderNavigationLinks() {
        return [
            '#help' => $this->moduleHandler
                ->moduleExists('help'),
            '#theme' => 'menu_region__footer',
            '#items' => $this->userOperationLinks(),
            '#menu_name' => 'user',
            '#title' => $this->account
                ->getDisplayName(),
            '#cache' => [
                'contexts' => [
                    'user',
                ],
            ],
        ];
    }
    
    /**
     * Returns the user operation links in navigation expected format.
     *
     * @param bool $include_edit
     *   (Optional) Whether to include the edit account link or not.
     *
     * @return array
     *   List of operation links for the current user.
     */
    public function userOperationLinks(bool $include_edit = TRUE) : array {
        $links = [
            'account' => [
                'title' => $this->t('View profile'),
                'url' => Url::fromRoute('user.page'),
                'attributes' => [
                    'title' => $this->t('User account'),
                ],
            ],
            'account_edit' => [
                'title' => $this->t('Edit profile'),
                'url' => Url::fromRoute('entity.user.edit_form', [
                    'user' => $this->account
                        ->id(),
                ]),
                'attributes' => [
                    'title' => $this->t('Edit user account'),
                ],
            ],
            'logout' => [
                'title' => $this->t('Log out'),
                'url' => Url::fromRoute('user.logout'),
            ],
        ];
        if (!$include_edit) {
            unset($links['account_edit']);
        }
        return $links;
    }
    
    /**
     * {@inheritdoc}
     */
    public static function trustedCallbacks() {
        return [
            'renderNavigationLinks',
        ];
    }

}