/**
  * {@inheritdoc}
  */
 public function update(CommentInterface $comment)
 {
     // Allow bulk updates and inserts to temporarily disable the maintenance of
     // the {comment_entity_statistics} table.
     if (!$this->state->get('comment.maintain_entity_statistics')) {
         return;
     }
     $query = $this->database->select('comment_field_data', 'c');
     $query->addExpression('COUNT(cid)');
     $count = $query->condition('c.entity_id', $comment->getCommentedEntityId())->condition('c.entity_type', $comment->getCommentedEntityTypeId())->condition('c.field_name', $comment->getFieldName())->condition('c.status', CommentInterface::PUBLISHED)->condition('c._deleted', FALSE)->condition('default_langcode', 1)->execute()->fetchField();
     if ($count > 0) {
         // Comments exist.
         $last_reply = $this->database->select('comment_field_data', 'c')->fields('c', array('cid', 'name', 'changed', 'uid'))->condition('c.entity_id', $comment->getCommentedEntityId())->condition('c.entity_type', $comment->getCommentedEntityTypeId())->condition('c.field_name', $comment->getFieldName())->condition('c.status', CommentInterface::PUBLISHED)->condition('c._deleted', FALSE)->condition('default_langcode', 1)->orderBy('c.created', 'DESC')->range(0, 1)->execute()->fetchObject();
         // Use merge here because entity could be created before comment field.
         $this->database->merge('comment_entity_statistics')->fields(array('cid' => $last_reply->cid, 'comment_count' => $count, 'last_comment_timestamp' => $last_reply->changed, 'last_comment_name' => $last_reply->uid ? '' : $last_reply->name, 'last_comment_uid' => $last_reply->uid))->keys(array('entity_id' => $comment->getCommentedEntityId(), 'entity_type' => $comment->getCommentedEntityTypeId(), 'field_name' => $comment->getFieldName()))->execute();
     } else {
         // Comments do not exist.
         $entity = $comment->getCommentedEntity();
         // Get the user ID from the entity if it's set, or default to the
         // currently logged in user.
         if ($entity instanceof EntityOwnerInterface) {
             $last_comment_uid = $entity->getOwnerId();
         }
         if (!isset($last_comment_uid)) {
             // Default to current user when entity does not implement
             // EntityOwnerInterface or author is not set.
             $last_comment_uid = $this->currentUser->id();
         }
         $this->database->update('comment_entity_statistics')->fields(array('cid' => 0, 'comment_count' => 0, 'last_comment_timestamp' => $entity instanceof EntityChangedInterface ? $entity->getChangedTimeAcrossTranslations() : REQUEST_TIME, 'last_comment_name' => '', 'last_comment_uid' => $last_comment_uid))->condition('entity_id', $comment->getCommentedEntityId())->condition('entity_type', $comment->getCommentedEntityTypeId())->condition('field_name', $comment->getFieldName())->execute();
     }
     // Reset the cache of the commented entity so that when the entity is loaded
     // the next time, the statistics will be loaded again. But don't do this for
     // stub entities since they don't have all the necessary data at this point.
     if (!$comment->_rev->is_stub) {
         $this->entityManager->getStorage($comment->getCommentedEntityTypeId())->resetCache([$comment->getCommentedEntityId()]);
     }
 }
 /**
  * Build the default links (reply, edit, delete …) for a comment.
  *
  * @param \Drupal\comment\CommentInterface $entity
  *   The comment object.
  * @param \Drupal\Core\Entity\EntityInterface $commented_entity
  *   The entity to which the comment is attached.
  *
  * @return array
  *   An array that can be processed by drupal_pre_render_links().
  */
 protected function buildLinks(CommentInterface $entity, EntityInterface $commented_entity)
 {
     $links = array();
     $status = $commented_entity->get($entity->getFieldName())->status;
     if ($status == CommentItemInterface::OPEN) {
         if ($entity->access('delete')) {
             $links['comment-delete'] = array('title' => t('Delete'), 'url' => $entity->urlInfo('delete-form'));
         }
         if ($entity->access('update')) {
             $links['comment-edit'] = array('title' => t('Edit'), 'url' => $entity->urlInfo('edit-form'));
         }
         if ($entity->access('create')) {
             $links['comment-reply'] = array('title' => t('Reply'), 'url' => Url::fromRoute('comment.reply', ['entity_type' => $entity->getCommentedEntityTypeId(), 'entity' => $entity->getCommentedEntityId(), 'field_name' => $entity->getFieldName(), 'pid' => $entity->id()]));
         }
         if (!$entity->isPublished() && $entity->access('approve')) {
             $links['comment-approve'] = array('title' => t('Approve'), 'url' => Url::fromRoute('comment.approve', ['comment' => $entity->id()]));
         }
         if (empty($links) && $this->currentUser->isAnonymous()) {
             $links['comment-forbidden']['title'] = $this->commentManager->forbiddenMessage($commented_entity, $entity->getFieldName());
         }
     }
     // Add translations link for translation-enabled comment bundles.
     if ($this->moduleHandler->moduleExists('content_translation') && $this->access($entity)->isAllowed()) {
         $links['comment-translations'] = array('title' => t('Translate'), 'url' => $entity->urlInfo('drupal:content-translation-overview'));
     }
     return array('#theme' => 'links__comment__comment', '#links' => $links, '#attributes' => array('class' => array('links', 'inline')));
 }
 /**
  * {@inheritdoc}
  */
 public function getMaxThreadPerThread(CommentInterface $comment)
 {
     $query = $this->database->select('comment_field_data', 'c')->condition('entity_id', $comment->getCommentedEntityId())->condition('field_name', $comment->getFieldName())->condition('entity_type', $comment->getCommentedEntityTypeId())->condition('thread', $comment->getParentComment()->getThread() . '.%', 'LIKE')->condition('default_langcode', 1);
     $query->addExpression('MAX(thread)', 'thread');
     return $query->execute()->fetchField();
 }
 /**
  * Build the default links (reply, edit, delete …) for a comment.
  *
  * @param \Drupal\comment\CommentInterface $entity
  *   The comment object.
  * @param \Drupal\Core\Entity\EntityInterface $commented_entity
  *   The entity to which the comment is attached.
  *
  * @return array
  *   An array that can be processed by drupal_pre_render_links().
  */
 protected static function buildLinks(CommentInterface $entity, EntityInterface $commented_entity)
 {
     $links = array();
     $status = $commented_entity->get($entity->getFieldName())->status;
     $container = \Drupal::getContainer();
     if ($status == CommentItemInterface::OPEN) {
         if ($entity->access('delete')) {
             $links['comment-delete'] = array('title' => t('Delete'), 'href' => "comment/{$entity->id()}/delete", 'html' => TRUE);
         }
         if ($entity->access('update')) {
             $links['comment-edit'] = array('title' => t('Edit'), 'href' => "comment/{$entity->id()}/edit", 'html' => TRUE);
         }
         if ($entity->access('create')) {
             $links['comment-reply'] = array('title' => t('Reply'), 'href' => "comment/reply/{$entity->getCommentedEntityTypeId()}/{$entity->getCommentedEntityId()}/{$entity->getFieldName()}/{$entity->id()}", 'html' => TRUE);
         }
         if (!$entity->isPublished() && $entity->access('approve')) {
             $links['comment-approve'] = array('title' => t('Approve'), 'route_name' => 'comment.approve', 'route_parameters' => array('comment' => $entity->id()), 'html' => TRUE);
         }
         if (empty($links) && \Drupal::currentUser()->isAnonymous()) {
             $links['comment-forbidden']['title'] = \Drupal::service('comment.manager')->forbiddenMessage($commented_entity, $entity->getFieldName());
             $links['comment-forbidden']['html'] = TRUE;
         }
     }
     // Add translations link for translation-enabled comment bundles.
     if (\Drupal::moduleHandler()->moduleExists('content_translation') && content_translation_translate_access($entity)) {
         $links['comment-translations'] = array('title' => t('Translate'), 'href' => 'comment/' . $entity->id() . '/translations', 'html' => TRUE);
     }
     return array('#theme' => 'links__comment__comment', '#links' => $links, '#attributes' => array('class' => array('links', 'inline')));
 }