RestMenuItemsCacheableDependency.php in Rest menu items 8.2

Namespace

Drupal\rest_menu_items\Plugin\rest\resource

File

src/Plugin/rest/resource/RestMenuItemsCacheableDependency.php

<?php

namespace Drupal\rest_menu_items\Plugin\rest\resource;

use Drupal\Core\Cache\CacheableDependencyInterface;
use Drupal\Core\Cache\Cache;
class RestMenuItemsCacheableDependency implements CacheableDependencyInterface {

  // Minimum depth parameter
  protected $minDepth = 1;

  // Maximum depth parameter
  protected $maxDepth = 1;

  // the menu being exposed
  protected $menuName = '';

  /**
   * RestMenuItemsCachableDependency constructor.
   *
   * @param int $minDepth The minimum depth to be used as a cache context
   * @param int $maxDepth The maximum depth to be used as a cache context
   */
  public function __construct($menuName, $minDepth, $maxDepth) {
    $this->menuName = $menuName;
    $this->minDepth = $minDepth;
    $this->maxDepth = $maxDepth;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheContexts() {
    $contexts = [];

    // URL parameters as contexts
    if ($this->minDepth != 1 || $this->maxDepth != 1) {
      $contexts[] = 'url.query_args';
      $contexts[] = 'user.permissions';
    }
    return $contexts;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheTags() {
    $tags = [];
    $tags[] = 'config:system.menu.' . $this->menuName;
    return $tags;
  }

  /**
   * {@inheritdoc}
   */
  public function getCacheMaxAge() {
    return Cache::PERMANENT;
  }

}

Classes

Name	Description
RestMenuItemsCacheableDependency