241 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			241 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace Drupal\comment;
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use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
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use Drupal\Core\Config\ConfigFactoryInterface;
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use Drupal\Core\Entity\EntityDisplayRepositoryInterface;
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use Drupal\Core\Entity\EntityFieldManagerInterface;
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use Drupal\Core\Entity\EntityInterface;
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use Drupal\Core\Entity\EntityTypeManagerInterface;
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use Drupal\Core\Entity\FieldableEntityInterface;
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use Drupal\Core\Extension\ModuleHandlerInterface;
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use Drupal\Core\Session\AccountInterface;
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use Drupal\Core\StringTranslation\StringTranslationTrait;
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use Drupal\Core\StringTranslation\TranslationInterface;
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use Drupal\Core\Url;
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use Drupal\field\Entity\FieldStorageConfig;
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use Drupal\field\Entity\FieldConfig;
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use Drupal\user\RoleInterface;
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use Drupal\user\UserInterface;
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/**
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 * Comment manager contains common functions to manage comment fields.
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 */
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class CommentManager implements CommentManagerInterface {
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  use StringTranslationTrait;
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  /**
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   * The entity field manager.
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   *
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   * @var \Drupal\Core\Entity\EntityFieldManagerInterface
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   */
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  protected $entityFieldManager;
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  /**
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   * The entity display repository.
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   *
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   * @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface
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   */
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  protected $entityDisplayRepository;
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  /**
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   * The entity type manager.
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   *
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   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
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   */
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  protected $entityTypeManager;
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  /**
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   * Whether the \Drupal\user\RoleInterface::AUTHENTICATED_ID can post comments.
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   *
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   * @var bool
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   */
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  protected $authenticatedCanPostComments;
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  /**
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   * The user settings config object.
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   *
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   * @var \Drupal\Core\Config\Config
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   */
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  protected $userConfig;
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  /**
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   * The module handler service.
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   *
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   * @var \Drupal\Core\Extension\ModuleHandlerInterface
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   */
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  protected $moduleHandler;
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  /**
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   * The current user.
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   *
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   * @var \Drupal\Core\Session\AccountInterface
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   */
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  protected $currentUser;
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  /**
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   * Construct the CommentManager object.
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   *
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   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
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   *   The entity type manager service.
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   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
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   *   The config factory.
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   * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
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   *   The string translation service.
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   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
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   *   The module handler service.
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   * @param \Drupal\Core\Session\AccountInterface $current_user
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   *   The current user.
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   * @param \Drupal\Core\Entity\EntityFieldManagerInterface $entity_field_manager
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   *   The entity field manager service.
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   * @param \Drupal\Core\Entity\EntityDisplayRepositoryInterface $entity_display_repository
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   *   The entity display repository service.
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   */
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  public function __construct(EntityTypeManagerInterface $entity_type_manager, ConfigFactoryInterface $config_factory, TranslationInterface $string_translation, ModuleHandlerInterface $module_handler, AccountInterface $current_user, EntityFieldManagerInterface $entity_field_manager, EntityDisplayRepositoryInterface $entity_display_repository) {
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    $this->entityTypeManager = $entity_type_manager;
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    $this->userConfig = $config_factory->get('user.settings');
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    $this->stringTranslation = $string_translation;
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    $this->moduleHandler = $module_handler;
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    $this->currentUser = $current_user;
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    $this->entityFieldManager = $entity_field_manager;
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    $this->entityDisplayRepository = $entity_display_repository;
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function getFields($entity_type_id) {
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    $entity_type = $this->entityTypeManager->getDefinition($entity_type_id);
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    if (!$entity_type->entityClassImplements(FieldableEntityInterface::class)) {
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      return [];
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    }
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    $map = $this->entityFieldManager->getFieldMapByFieldType('comment');
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    return $map[$entity_type_id] ?? [];
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function addBodyField($comment_type_id) {
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    if (!FieldConfig::loadByName('comment', $comment_type_id, 'comment_body')) {
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      // Attaches the body field by default.
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      $field = $this->entityTypeManager->getStorage('field_config')->create([
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        'label' => 'Comment',
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        'bundle' => $comment_type_id,
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        'required' => TRUE,
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        'field_storage' => FieldStorageConfig::loadByName('comment', 'comment_body'),
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      ]);
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      $field->save();
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      // Assign widget settings for the default form mode.
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      $this->entityDisplayRepository->getFormDisplay('comment', $comment_type_id)
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        ->setComponent('comment_body', [
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          'type' => 'text_textarea',
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        ])
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        ->save();
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      // Assign display settings for the default view mode.
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      $this->entityDisplayRepository->getViewDisplay('comment', $comment_type_id)
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        ->setComponent('comment_body', [
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          'label' => 'hidden',
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          'type' => 'text_default',
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          'weight' => 0,
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        ])
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        ->save();
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    }
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function forbiddenMessage(EntityInterface $entity, $field_name) {
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    if (!isset($this->authenticatedCanPostComments)) {
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      // We only output a link if we are certain that users will get the
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      // permission to post comments by logging in.
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      $this->authenticatedCanPostComments = $this->entityTypeManager
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        ->getStorage('user_role')
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        ->load(RoleInterface::AUTHENTICATED_ID)
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        ->hasPermission('post comments');
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    }
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    if ($this->authenticatedCanPostComments) {
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      // We cannot use the redirect.destination service here because these links
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      // sometimes appear on /node and taxonomy listing pages.
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      if ($entity->get($field_name)->getFieldDefinition()->getSetting('form_location') == CommentItemInterface::FORM_SEPARATE_PAGE) {
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        $comment_reply_parameters = [
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          'entity_type' => $entity->getEntityTypeId(),
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          'entity' => $entity->id(),
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          'field_name' => $field_name,
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        ];
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        $destination = ['destination' => Url::fromRoute('comment.reply', $comment_reply_parameters, ['fragment' => 'comment-form'])->toString()];
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      }
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      else {
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        $destination = ['destination' => $entity->toUrl('canonical', ['fragment' => 'comment-form'])->toString()];
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      }
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      if ($this->userConfig->get('register') != UserInterface::REGISTER_ADMINISTRATORS_ONLY) {
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        // Users can register themselves.
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        return $this->t('<a href=":login">Log in</a> or <a href=":register">register</a> to post comments', [
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          ':login' => Url::fromRoute('user.login', [], ['query' => $destination])->toString(),
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          ':register' => Url::fromRoute('user.register', [], ['query' => $destination])->toString(),
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        ]);
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      }
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      else {
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        // Only admins can add new users, no public registration.
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        return $this->t('<a href=":login">Log in</a> to post comments', [
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          ':login' => Url::fromRoute('user.login', [], ['query' => $destination])->toString(),
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        ]);
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      }
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    }
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    return '';
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  }
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  /**
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   * {@inheritdoc}
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   */
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  public function getCountNewComments(EntityInterface $entity, $field_name = NULL, $timestamp = 0) {
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    // @todo Replace module handler with optional history service injection
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    //   after https://www.drupal.org/node/2081585.
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    if ($this->currentUser->isAuthenticated() && $this->moduleHandler->moduleExists('history')) {
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      // Retrieve the timestamp at which the current user last viewed this
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      // entity.
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      if (!$timestamp) {
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        if ($entity->getEntityTypeId() == 'node') {
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          $timestamp = history_read($entity->id());
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        }
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        else {
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          $function = $entity->getEntityTypeId() . '_last_viewed';
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          if (function_exists($function)) {
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            $timestamp = $function($entity->id());
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          }
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          else {
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            // Default to 30 days ago.
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            // @todo Remove this else branch when we have a generic
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            //   HistoryRepository service in https://www.drupal.org/i/3267011.
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            $timestamp = COMMENT_NEW_LIMIT;
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          }
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        }
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      }
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      $timestamp = ($timestamp > HISTORY_READ_LIMIT ? $timestamp : HISTORY_READ_LIMIT);
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      // Use the timestamp to retrieve the number of new comments.
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      $query = $this->entityTypeManager->getStorage('comment')->getQuery()
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        ->accessCheck(TRUE)
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        ->condition('entity_type', $entity->getEntityTypeId())
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        ->condition('entity_id', $entity->id())
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        ->condition('created', $timestamp, '>')
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        ->condition('status', CommentInterface::PUBLISHED);
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      if ($field_name) {
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        // Limit to a particular field.
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        $query->condition('field_name', $field_name);
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      }
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      return $query->count()->execute();
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    }
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    return FALSE;
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  }
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}
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