class FarmAssetLogViewsAccessCheck in farmOS 2.x

Checks access for displaying Views of logs that reference assets.

Hierarchy

• class \Drupal\farm_ui_views\Access\FarmAssetLogViewsAccessCheck implements AccessInterface

1 string reference to 'FarmAssetLogViewsAccessCheck'

farm_ui_views.services.yml in modules/core/ui/views/farm_ui_views.services.yml

modules/core/ui/views/farm_ui_views.services.yml

1 service uses FarmAssetLogViewsAccessCheck

farm_ui_views.asset_logs_access in modules/core/ui/views/farm_ui_views.services.yml

Drupal\farm_ui_views\Access\FarmAssetLogViewsAccessCheck

File

modules/core/ui/views/src/Access/FarmAssetLogViewsAccessCheck.php, line 13

Namespace

Drupal\farm_ui_views\Access

class FarmAssetLogViewsAccessCheck implements AccessInterface {

  /**
   * The log storage.
   *
   * @var \Drupal\Core\Entity\EntityStorageInterface
   */
  protected $logStorage;

  /**
   * FarmAssetLogViewsAccessCheck constructor.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager service.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->logStorage = $entity_type_manager
      ->getStorage('log');
  }

  /**
   * 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" or "log_type" parameter, bail.
    $asset_id = $route_match
      ->getParameter('asset');
    $log_type = $route_match
      ->getParameter('log_type');
    if (empty($asset_id) || empty($log_type)) {
      return AccessResult::allowed();
    }

    // If the log type is "all", bail.
    if ($log_type == 'all') {
      return AccessResult::allowed();
    }

    // Build a count query for logs of this type.
    $query = $this->logStorage
      ->getAggregateQuery()
      ->accessCheck(TRUE)
      ->condition('type', $log_type)
      ->count();

    // Only include logs that reference the asset.
    $reference_condition = $query
      ->orConditionGroup()
      ->condition('asset.entity.id', $asset_id)
      ->condition('location.entity.id', $asset_id);
    $query
      ->condition($reference_condition);

    // Determine access based on the log count.
    $count = $query
      ->execute();
    $access = AccessResult::allowedIf($count > 0);

    // Invalidate the access result when logs of this bundle are changed.
    $access
      ->addCacheTags([
      "log_list:{$log_type}",
    ]);
    return $access;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
FarmAssetLogViewsAccessCheck::$logStorage	protected	property	The log storage.
FarmAssetLogViewsAccessCheck::access	public	function	A custom access check.
FarmAssetLogViewsAccessCheck::__construct	public	function	FarmAssetLogViewsAccessCheck constructor.