www.aleph1.co.uk Git - yaffs-website/blob - web/modules/contrib/pathauto/src/EventSubscriber/PathautoSettingsCacheTag.php

   1 <?php
   2
   3 namespace Drupal\pathauto\EventSubscriber;
   4
   5 use Drupal\Core\Config\ConfigCrudEvent;
   6 use Drupal\Core\Config\ConfigEvents;
   7 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
   8 use Drupal\Core\Entity\EntityFieldManagerInterface;
   9 use Drupal\pathauto\AliasTypeManager;
  10
  11 /**
  12  * A subscriber to clear fielddefinition cache when saving pathauto settings.
  13  */
  14 class PathautoSettingsCacheTag implements EventSubscriberInterface {
  15
  16   /**
  17    * @var \Drupal\Core\Entity\EntityFieldManagerInterface
  18    */
  19   protected $entityFieldManager;
  20
  21   /**
  22    * The alias type manager.
  23    *
  24    * @var \Drupal\pathauto\AliasTypeManager
  25    */
  26   protected $aliasTypeManager;
  27
  28   /**
  29    * Constructs a PathautoSettingsCacheTag object.
  30    *
  31    * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
  32    *   The entity field manager.
  33    * @param \Drupal\pathauto\AliasTypeManager $alias_type_manager
  34    *   The alias type manager.
  35    */
  36   public function __construct(EntityFieldManagerInterface $entity_field_manager, AliasTypeManager $alias_type_manager) {
  37     $this->entityFieldManager = $entity_field_manager;
  38     $this->aliasTypeManager = $alias_type_manager;
  39   }
  40
  41   /**
  42    * Invalidate the 'rendered' cache tag whenever the settings are modified.
  43    *
  44    * @param \Drupal\Core\Config\ConfigCrudEvent $event
  45    *   The Event to process.
  46    */
  47   public function onSave(ConfigCrudEvent $event) {
  48     if ($event->getConfig()->getName() === 'pathauto.settings') {
  49       $config = $event->getConfig();
  50       $original_entity_types = $config->getOriginal('enabled_entity_types');
  51
  52       // Clear cached field definitions if the values are changed.
  53       if ($original_entity_types != $config->get('enabled_entity_types')) {
  54         $this->entityFieldManager->clearCachedFieldDefinitions();
  55         $this->aliasTypeManager->clearCachedDefinitions();
  56       }
  57     }
  58   }
  59
  60   /**
  61    * {@inheritdoc}
  62    */
  63   public static function getSubscribedEvents() {
  64     $events[ConfigEvents::SAVE][] = ['onSave'];
  65     return $events;
  66   }
  67
  68 }