aleph1.co.uk Git - yaffs-website/blob - web/core/modules/content_translation/src/Access/ContentTranslationDeleteAccess.php

   1 <?php
   2
   3 namespace Drupal\content_translation\Access;
   4
   5 use Drupal\content_translation\ContentTranslationManager;
   6 use Drupal\content_translation\ContentTranslationManagerInterface;
   7 use Drupal\Core\Access\AccessResult;
   8 use Drupal\Core\Entity\ContentEntityInterface;
   9 use Drupal\Core\Entity\EntityTypeManagerInterface;
  10 use Drupal\Core\Routing\Access\AccessInterface;
  11 use Drupal\Core\Routing\RouteMatchInterface;
  12 use Drupal\Core\Session\AccountInterface;
  13 use Drupal\language\Entity\ContentLanguageSettings;
  14 use Drupal\workflows\Entity\Workflow;
  15
  16 /**
  17  * Access check for entity translation deletion.
  18  *
  19  * @internal This additional access checker only aims to prevent deletions in
  20  *   pending revisions until we are able to flag revision translations as
  21  *   deleted.
  22  *
  23  * @todo Remove this in https://www.drupal.org/node/2945956.
  24  */
  25 class ContentTranslationDeleteAccess implements AccessInterface {
  26
  27   /**
  28    * The entity type manager.
  29    *
  30    * @var \Drupal\Core\Entity\EntityTypeManagerInterface
  31    */
  32   protected $entityTypeManager;
  33
  34   /**
  35    * The content translation manager.
  36    *
  37    * @var \Drupal\content_translation\ContentTranslationManagerInterface
  38    */
  39   protected $contentTranslationManager;
  40
  41   /**
  42    * Constructs a ContentTranslationDeleteAccess object.
  43    *
  44    * @param \Drupal\Core\Entity\EntityTypeManagerInterface $manager
  45    *   The entity type manager.
  46    * @param \Drupal\content_translation\ContentTranslationManagerInterface $content_translation_manager
  47    *   The content translation manager.
  48    */
  49   public function __construct(EntityTypeManagerInterface $manager, ContentTranslationManagerInterface $content_translation_manager) {
  50     $this->entityTypeManager = $manager;
  51     $this->contentTranslationManager = $content_translation_manager;
  52   }
  53
  54   /**
  55    * Checks access to translation deletion for the specified route match.
  56    *
  57    * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
  58    *   The parameterized route.
  59    * @param \Drupal\Core\Session\AccountInterface $account
  60    *   The currently logged in account.
  61    *
  62    * @return \Drupal\Core\Access\AccessResultInterface
  63    *   The access result.
  64    */
  65   public function access(RouteMatchInterface $route_match, AccountInterface $account) {
  66     $requirement = $route_match->getRouteObject()->getRequirement('_access_content_translation_delete');
  67     $entity_type_id = current(explode('.', $requirement));
  68     $entity = $route_match->getParameter($entity_type_id);
  69     return $this->checkAccess($entity);
  70   }
  71
  72   /**
  73    * Checks access to translation deletion for the specified entity.
  74    *
  75    * @param \Drupal\Core\Entity\ContentEntityInterface $entity
  76    *   The entity translation to be deleted.
  77    *
  78    * @return \Drupal\Core\Access\AccessResultInterface
  79    *   The access result.
  80    */
  81   public function checkAccess(ContentEntityInterface $entity) {
  82     $result = AccessResult::allowed();
  83
  84     $entity_type_id = $entity->getEntityTypeId();
  85     $result->addCacheableDependency($entity);
  86     // Add the cache dependencies used by
  87     // ContentTranslationManager::isPendingRevisionSupportEnabled().
  88     if (\Drupal::moduleHandler()->moduleExists('content_moderation')) {
  89       foreach (Workflow::loadMultipleByType('content_moderation') as $workflow) {
  90         $result->addCacheableDependency($workflow);
  91       }
  92     }
  93     if (!ContentTranslationManager::isPendingRevisionSupportEnabled($entity_type_id, $entity->bundle())) {
  94       return $result;
  95     }
  96
  97     if ($entity->isDefaultTranslation()) {
  98       return $result;
  99     }
 100
 101     $config = ContentLanguageSettings::load($entity_type_id . '.' . $entity->bundle());
 102     $result->addCacheableDependency($config);
 103     if (!$this->contentTranslationManager->isEnabled($entity_type_id, $entity->bundle())) {
 104       return $result;
 105     }
 106
 107     /** @var \Drupal\Core\Entity\ContentEntityStorageInterface $storage */
 108     $storage = $this->entityTypeManager->getStorage($entity_type_id);
 109     $revision_id = $storage->getLatestTranslationAffectedRevisionId($entity->id(), $entity->language()->getId());
 110     if (!$revision_id) {
 111       return $result;
 112     }
 113
 114     /** @var \Drupal\Core\Entity\ContentEntityInterface $revision */
 115     $revision = $storage->loadRevision($revision_id);
 116     if ($revision->wasDefaultRevision()) {
 117       return $result;
 118     }
 119
 120     $result = $result->andIf(AccessResult::forbidden());
 121     return $result;
 122   }
 123
 124 }