function AccountPermissionsCacheContext::getCacheableMetadata

File

core/lib/Drupal/Core/Cache/Context/AccountPermissionsCacheContext.php, line 53

Class

AccountPermissionsCacheContext

Defines the AccountPermissionsCacheContext service, for "per permission" caching.

Namespace

Code

public function getCacheableMetadata() {
  $cacheable_metadata = new CacheableMetadata();
  // The permissions hash changes when:
  // - a user is updated to have different roles;
  $tags = [
    'user:' . $this->user
      ->id(),
  ];
  // - a role is updated to have different permissions.
  foreach ($this->user
    ->getRoles() as $rid) {
    $tags[] = "config:user.role.{$rid}";
  }
  return $cacheable_metadata->setCacheTags($tags);
}