function commerce_file_commerce_license_access in Commerce File 8.2

Implements hook_ENTITY_TYPE_access() for licenses.

File

./commerce_file.module, line 61

Extends Commerce License with the ability to sell access to files.

Code

function commerce_file_commerce_license_access(EntityInterface $entity, $operation, AccountInterface $account) {

  // Note this logic should probably live in Commerce License, but since we
  // limit our logic to file licenses, it's probably fine to keep the logic here
  // for the time being.
  assert($entity instanceof LicenseInterface);
  if ($operation !== 'view' || $entity
    ->bundle() !== 'commerce_file' || $entity
    ->getState()
    ->getId() !== 'active') {
    return AccessResult::neutral();
  }

  // Grand access to file licenses if they're referenced by an order item
  // the user has access to.
  $order_item_storage = \Drupal::entityTypeManager()
    ->getStorage('commerce_order_item');
  $result = $order_item_storage
    ->getQuery()
    ->condition('license', $entity
    ->id())
    ->accessCheck(FALSE)
    ->execute();
  if (!$result) {
    return AccessResult::neutral();
  }
  $order_item = $order_item_storage
    ->load(reset($result));
  return AccessResult::allowedIf($order_item
    ->access('view', $account))
    ->addCacheableDependency($order_item);
}