FarmAssetChildrenViewsAccessCheck.php in farmOS 2.x
Namespace
Drupal\farm_ui_views\AccessFile
modules/core/ui/views/src/Access/FarmAssetChildrenViewsAccessCheck.phpView source
<?php
namespace Drupal\farm_ui_views\Access;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Routing\Access\AccessInterface;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Access\AccessResult;
use Drupal\farm_location\AssetLocationInterface;
/**
* Checks access for displaying Views of asset children.
*/
class FarmAssetChildrenViewsAccessCheck implements AccessInterface {
/**
* The asset storage.
*
* @var \Drupal\Core\Entity\EntityStorageInterface
*/
protected $assetStorage;
/**
* The asset location service.
*
* @var \Drupal\farm_location\AssetLocationInterface
*/
protected $assetLocation;
/**
* FarmAssetChildrenViewsAccessCheck constructor.
*
* @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
* The entity type manager service.
* @param \Drupal\farm_location\AssetLocationInterface $asset_location
* The asset location service.
*/
public function __construct(EntityTypeManagerInterface $entity_type_manager, AssetLocationInterface $asset_location) {
$this->assetStorage = $entity_type_manager
->getStorage('asset');
$this->assetLocation = $asset_location;
}
/**
* A custom access check.
*
* @param \Drupal\Core\Routing\RouteMatchInterface $route_match
* The route match.
*/
public function access(RouteMatchInterface $route_match) {
// If there is no "asset" parameter, bail.
$asset_id = $route_match
->getParameter('asset');
if (empty($asset_id)) {
return AccessResult::allowed();
}
// If the asset is a location, deny access.
/** @var \Drupal\asset\Entity\AssetInterface $asset */
$asset = $this->assetStorage
->load($asset_id);
if ($this->assetLocation
->isLocation($asset)) {
return AccessResult::forbidden();
}
// Run a count query to see if there are any assets that reference this
// asset as a parent.
$count = $this->assetStorage
->getAggregateQuery()
->accessCheck(TRUE)
->condition('parent.entity.id', $asset_id)
->count()
->execute();
// Determine access based on the child count.
$access = AccessResult::allowedIf($count > 0);
// Invalidate the access result when assets are changed.
$access
->addCacheTags([
"asset_list",
]);
return $access;
}
}
Classes
Name![]() |
Description |
---|---|
FarmAssetChildrenViewsAccessCheck | Checks access for displaying Views of asset children. |