diff core/modules/content_moderation/src/EntityOperations.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/content_moderation/src/EntityOperations.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,271 @@
+<?php
+
+namespace Drupal\content_moderation;
+
+use Drupal\content_moderation\Entity\ContentModerationState as ContentModerationStateEntity;
+use Drupal\content_moderation\Entity\ContentModerationStateInterface;
+use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
+use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
+use Drupal\Core\Entity\EntityInterface;
+use Drupal\Core\Entity\EntityTypeBundleInfoInterface;
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\Core\Form\FormBuilderInterface;
+use Drupal\content_moderation\Form\EntityModerationForm;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Defines a class for reacting to entity events.
+ *
+ * @internal
+ */
+class EntityOperations implements ContainerInjectionInterface {
+
+  /**
+   * The Moderation Information service.
+   *
+   * @var \Drupal\content_moderation\ModerationInformationInterface
+   */
+  protected $moderationInfo;
+
+  /**
+   * The Entity Type Manager service.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
+   */
+  protected $entityTypeManager;
+
+  /**
+   * The Form Builder service.
+   *
+   * @var \Drupal\Core\Form\FormBuilderInterface
+   */
+  protected $formBuilder;
+
+  /**
+   * The entity bundle information service.
+   *
+   * @var \Drupal\Core\Entity\EntityTypeBundleInfoInterface
+   */
+  protected $bundleInfo;
+
+  /**
+   * Constructs a new EntityOperations object.
+   *
+   * @param \Drupal\content_moderation\ModerationInformationInterface $moderation_info
+   *   Moderation information service.
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
+   *   Entity type manager service.
+   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
+   *   The form builder.
+   * @param \Drupal\Core\Entity\EntityTypeBundleInfoInterface $bundle_info
+   *   The entity bundle information service.
+   */
+  public function __construct(ModerationInformationInterface $moderation_info, EntityTypeManagerInterface $entity_type_manager, FormBuilderInterface $form_builder, EntityTypeBundleInfoInterface $bundle_info) {
+    $this->moderationInfo = $moderation_info;
+    $this->entityTypeManager = $entity_type_manager;
+    $this->formBuilder = $form_builder;
+    $this->bundleInfo = $bundle_info;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('content_moderation.moderation_information'),
+      $container->get('entity_type.manager'),
+      $container->get('form_builder'),
+      $container->get('entity_type.bundle.info')
+    );
+  }
+
+  /**
+   * Acts on an entity and set published status based on the moderation state.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity being saved.
+   *
+   * @see hook_entity_presave()
+   */
+  public function entityPresave(EntityInterface $entity) {
+    if (!$this->moderationInfo->isModeratedEntity($entity)) {
+      return;
+    }
+
+    if ($entity->moderation_state->value) {
+      $workflow = $this->moderationInfo->getWorkflowForEntity($entity);
+      /** @var \Drupal\content_moderation\ContentModerationState $current_state */
+      $current_state = $workflow->getTypePlugin()
+        ->getState($entity->moderation_state->value);
+
+      // This entity is default if it is new, a new translation, the default
+      // revision, or the default revision is not published.
+      $update_default_revision = $entity->isNew()
+        || $entity->isNewTranslation()
+        || $current_state->isDefaultRevisionState()
+        || !$this->moderationInfo->isDefaultRevisionPublished($entity);
+
+      // Fire per-entity-type logic for handling the save process.
+      $this->entityTypeManager
+        ->getHandler($entity->getEntityTypeId(), 'moderation')
+        ->onPresave($entity, $update_default_revision, $current_state->isPublishedState());
+    }
+  }
+
+  /**
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity that was just saved.
+   *
+   * @see hook_entity_insert()
+   */
+  public function entityInsert(EntityInterface $entity) {
+    if ($this->moderationInfo->isModeratedEntity($entity)) {
+      $this->updateOrCreateFromEntity($entity);
+    }
+  }
+
+  /**
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity that was just saved.
+   *
+   * @see hook_entity_update()
+   */
+  public function entityUpdate(EntityInterface $entity) {
+    if ($this->moderationInfo->isModeratedEntity($entity)) {
+      $this->updateOrCreateFromEntity($entity);
+    }
+  }
+
+  /**
+   * Creates or updates the moderation state of an entity.
+   *
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity to update or create a moderation state for.
+   */
+  protected function updateOrCreateFromEntity(EntityInterface $entity) {
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
+    $entity_revision_id = $entity->getRevisionId();
+    $workflow = $this->moderationInfo->getWorkflowForEntity($entity);
+    $content_moderation_state = ContentModerationStateEntity::loadFromModeratedEntity($entity);
+
+    if (!($content_moderation_state instanceof ContentModerationStateInterface)) {
+      $storage = $this->entityTypeManager->getStorage('content_moderation_state');
+      $content_moderation_state = $storage->create([
+        'content_entity_type_id' => $entity->getEntityTypeId(),
+        'content_entity_id' => $entity->id(),
+        // Make sure that the moderation state entity has the same language code
+        // as the moderated entity.
+        'langcode' => $entity->language()->getId(),
+      ]);
+      $content_moderation_state->workflow->target_id = $workflow->id();
+    }
+    elseif ($content_moderation_state->content_entity_revision_id->value != $entity_revision_id) {
+      // If a new revision of the content has been created, add a new content
+      // moderation state revision.
+      $content_moderation_state->setNewRevision(TRUE);
+    }
+
+    // Sync translations.
+    if ($entity->getEntityType()->hasKey('langcode')) {
+      $entity_langcode = $entity->language()->getId();
+      if (!$content_moderation_state->hasTranslation($entity_langcode)) {
+        $content_moderation_state->addTranslation($entity_langcode);
+      }
+      if ($content_moderation_state->language()->getId() !== $entity_langcode) {
+        $content_moderation_state = $content_moderation_state->getTranslation($entity_langcode);
+      }
+    }
+
+    // Create the ContentModerationState entity for the inserted entity.
+    $moderation_state = $entity->moderation_state->value;
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
+    if (!$moderation_state) {
+      $moderation_state = $workflow->getTypePlugin()->getInitialState($entity)->id();
+    }
+
+    // @todo what if $entity->moderation_state is null at this point?
+    $content_moderation_state->set('content_entity_revision_id', $entity_revision_id);
+    $content_moderation_state->set('moderation_state', $moderation_state);
+    ContentModerationStateEntity::updateOrCreateFromEntity($content_moderation_state);
+  }
+
+  /**
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity being deleted.
+   *
+   * @see hook_entity_delete()
+   */
+  public function entityDelete(EntityInterface $entity) {
+    $content_moderation_state = ContentModerationStateEntity::loadFromModeratedEntity($entity);
+    if ($content_moderation_state) {
+      $content_moderation_state->delete();
+    }
+  }
+
+  /**
+   * @param \Drupal\Core\Entity\EntityInterface $entity
+   *   The entity revision being deleted.
+   *
+   * @see hook_entity_revision_delete()
+   */
+  public function entityRevisionDelete(EntityInterface $entity) {
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
+    if (!$entity->isDefaultRevision()) {
+      $content_moderation_state = ContentModerationStateEntity::loadFromModeratedEntity($entity);
+      if ($content_moderation_state) {
+        $this->entityTypeManager
+          ->getStorage('content_moderation_state')
+          ->deleteRevision($content_moderation_state->getRevisionId());
+      }
+    }
+  }
+
+  /**
+   * @param \Drupal\Core\Entity\EntityInterface $translation
+   *   The entity translation being deleted.
+   *
+   * @see hook_entity_translation_delete()
+   */
+  public function entityTranslationDelete(EntityInterface $translation) {
+    /** @var \Drupal\Core\Entity\ContentEntityInterface $translation */
+    if (!$translation->isDefaultTranslation()) {
+      $langcode = $translation->language()->getId();
+      $content_moderation_state = ContentModerationStateEntity::loadFromModeratedEntity($translation);
+      if ($content_moderation_state && $content_moderation_state->hasTranslation($langcode)) {
+        $content_moderation_state->removeTranslation($langcode);
+        ContentModerationStateEntity::updateOrCreateFromEntity($content_moderation_state);
+      }
+    }
+  }
+
+  /**
+   * Act on entities being assembled before rendering.
+   *
+   * @see hook_entity_view()
+   * @see EntityFieldManagerInterface::getExtraFields()
+   */
+  public function entityView(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) {
+    if (!$this->moderationInfo->isModeratedEntity($entity)) {
+      return;
+    }
+    if (!$this->moderationInfo->isLatestRevision($entity)) {
+      return;
+    }
+    if ($this->moderationInfo->isLiveRevision($entity)) {
+      return;
+    }
+    // Don't display the moderation form when when:
+    // - The revision is not translation affected.
+    // - There are more than one translation languages.
+    // - The entity has pending revisions.
+    if (!$this->moderationInfo->isPendingRevisionAllowed($entity)) {
+      return;
+    }
+
+    $component = $display->getComponent('content_moderation_control');
+    if ($component) {
+      $build['content_moderation_control'] = $this->formBuilder->getForm(EntityModerationForm::class, $entity);
+    }
+  }
+
+}