Chris@17: <?php
Chris@17: 
Chris@17: namespace Drupal\workspaces;
Chris@17: 
Chris@17: use Drupal\Core\Cache\CacheableMetadata;
Chris@17: use Drupal\Core\Cache\Context\CacheContextInterface;
Chris@17: 
Chris@17: /**
Chris@17:  * Defines the WorkspaceCacheContext service, for "per workspace" caching.
Chris@17:  *
Chris@17:  * Cache context ID: 'workspace'.
Chris@17:  */
Chris@17: class WorkspaceCacheContext implements CacheContextInterface {
Chris@17: 
Chris@17:   /**
Chris@17:    * The workspace manager.
Chris@17:    *
Chris@17:    * @var \Drupal\workspaces\WorkspaceManagerInterface
Chris@17:    */
Chris@17:   protected $workspaceManager;
Chris@17: 
Chris@17:   /**
Chris@17:    * Constructs a new WorkspaceCacheContext service.
Chris@17:    *
Chris@17:    * @param \Drupal\workspaces\WorkspaceManagerInterface $workspace_manager
Chris@17:    *   The workspace manager.
Chris@17:    */
Chris@17:   public function __construct(WorkspaceManagerInterface $workspace_manager) {
Chris@17:     $this->workspaceManager = $workspace_manager;
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   public static function getLabel() {
Chris@17:     return t('Workspace');
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   public function getContext() {
Chris@17:     return $this->workspaceManager->getActiveWorkspace()->id();
Chris@17:   }
Chris@17: 
Chris@17:   /**
Chris@17:    * {@inheritdoc}
Chris@17:    */
Chris@17:   public function getCacheableMetadata($type = NULL) {
Chris@17:     // The active workspace will always be stored in the user's session.
Chris@17:     $cacheability = new CacheableMetadata();
Chris@17:     $cacheability->addCacheContexts(['session']);
Chris@17: 
Chris@17:     return $cacheability;
Chris@17:   }
Chris@17: 
Chris@17: }