Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\comment;
Chris@0: 
Chris@0: use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
Chris@0: use Drupal\Core\Config\ConfigFactoryInterface;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\Core\Entity\EntityManagerInterface;
Chris@0: use Drupal\Core\Entity\FieldableEntityInterface;
Chris@0: use Drupal\Core\Extension\ModuleHandlerInterface;
Chris@0: use Drupal\Core\Routing\UrlGeneratorInterface;
Chris@0: use Drupal\Core\Routing\UrlGeneratorTrait;
Chris@0: use Drupal\Core\Session\AccountInterface;
Chris@0: use Drupal\Core\StringTranslation\StringTranslationTrait;
Chris@0: use Drupal\Core\StringTranslation\TranslationInterface;
Chris@0: use Drupal\field\Entity\FieldStorageConfig;
Chris@0: use Drupal\field\Entity\FieldConfig;
Chris@0: use Drupal\user\RoleInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Comment manager contains common functions to manage comment fields.
Chris@0:  */
Chris@0: class CommentManager implements CommentManagerInterface {
Chris@0:   use StringTranslationTrait;
Chris@0:   use UrlGeneratorTrait;
Chris@0: 
Chris@0:   /**
Chris@0:    * The entity manager service.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Entity\EntityManagerInterface
Chris@0:    */
Chris@0:   protected $entityManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Whether the \Drupal\user\RoleInterface::AUTHENTICATED_ID can post comments.
Chris@0:    *
Chris@0:    * @var bool
Chris@0:    */
Chris@0:   protected $authenticatedCanPostComments;
Chris@0: 
Chris@0:   /**
Chris@0:    * The user settings config object.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Config\Config
Chris@0:    */
Chris@0:   protected $userConfig;
Chris@0: 
Chris@0:   /**
Chris@0:    * The module handler service.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Extension\ModuleHandlerInterface
Chris@0:    */
Chris@0:   protected $moduleHandler;
Chris@0: 
Chris@0:   /**
Chris@0:    * The current user.
Chris@0:    *
Chris@0:    * @var \Drupal\Core\Session\AccountInterface
Chris@0:    */
Chris@0:   protected $currentUser;
Chris@0: 
Chris@0:   /**
Chris@0:    * Construct the CommentManager object.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
Chris@0:    *   The entity manager service.
Chris@0:    * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
Chris@0:    *   The config factory.
Chris@0:    * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
Chris@0:    *   The string translation service.
Chris@0:    * @param \Drupal\Core\Routing\UrlGeneratorInterface $url_generator
Chris@0:    *   The url generator service.
Chris@0:    *  @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
Chris@0:    *   The module handler service.
Chris@0:    * @param \Drupal\Core\Session\AccountInterface $current_user
Chris@0:    *   The current user.
Chris@0:    */
Chris@0:   public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, TranslationInterface $string_translation, UrlGeneratorInterface $url_generator, ModuleHandlerInterface $module_handler, AccountInterface $current_user) {
Chris@0:     $this->entityManager = $entity_manager;
Chris@0:     $this->userConfig = $config_factory->get('user.settings');
Chris@0:     $this->stringTranslation = $string_translation;
Chris@0:     $this->urlGenerator = $url_generator;
Chris@0:     $this->moduleHandler = $module_handler;
Chris@0:     $this->currentUser = $current_user;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getFields($entity_type_id) {
Chris@0:     $entity_type = $this->entityManager->getDefinition($entity_type_id);
Chris@0:     if (!$entity_type->entityClassImplements(FieldableEntityInterface::class)) {
Chris@0:       return [];
Chris@0:     }
Chris@0: 
Chris@0:     $map = $this->entityManager->getFieldMapByFieldType('comment');
Chris@0:     return isset($map[$entity_type_id]) ? $map[$entity_type_id] : [];
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function addBodyField($comment_type_id) {
Chris@0:     if (!FieldConfig::loadByName('comment', $comment_type_id, 'comment_body')) {
Chris@0:       // Attaches the body field by default.
Chris@0:       $field = $this->entityManager->getStorage('field_config')->create([
Chris@0:         'label' => 'Comment',
Chris@0:         'bundle' => $comment_type_id,
Chris@0:         'required' => TRUE,
Chris@0:         'field_storage' => FieldStorageConfig::loadByName('comment', 'comment_body'),
Chris@0:       ]);
Chris@0:       $field->save();
Chris@0: 
Chris@0:       // Assign widget settings for the 'default' form mode.
Chris@0:       entity_get_form_display('comment', $comment_type_id, 'default')
Chris@0:         ->setComponent('comment_body', [
Chris@0:           'type' => 'text_textarea',
Chris@0:         ])
Chris@0:         ->save();
Chris@0: 
Chris@0:       // Assign display settings for the 'default' view mode.
Chris@0:       entity_get_display('comment', $comment_type_id, 'default')
Chris@0:         ->setComponent('comment_body', [
Chris@0:           'label' => 'hidden',
Chris@0:           'type' => 'text_default',
Chris@0:           'weight' => 0,
Chris@0:         ])
Chris@0:         ->save();
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function forbiddenMessage(EntityInterface $entity, $field_name) {
Chris@0:     if (!isset($this->authenticatedCanPostComments)) {
Chris@0:       // We only output a link if we are certain that users will get the
Chris@0:       // permission to post comments by logging in.
Chris@0:       $this->authenticatedCanPostComments = $this->entityManager
Chris@0:         ->getStorage('user_role')
Chris@0:         ->load(RoleInterface::AUTHENTICATED_ID)
Chris@0:         ->hasPermission('post comments');
Chris@0:     }
Chris@0: 
Chris@0:     if ($this->authenticatedCanPostComments) {
Chris@0:       // We cannot use the redirect.destination service here because these links
Chris@0:       // sometimes appear on /node and taxonomy listing pages.
Chris@0:       if ($entity->get($field_name)->getFieldDefinition()->getSetting('form_location') == CommentItemInterface::FORM_SEPARATE_PAGE) {
Chris@0:         $comment_reply_parameters = [
Chris@0:           'entity_type' => $entity->getEntityTypeId(),
Chris@0:           'entity' => $entity->id(),
Chris@0:           'field_name' => $field_name,
Chris@0:         ];
Chris@0:         $destination = ['destination' => $this->url('comment.reply', $comment_reply_parameters, ['fragment' => 'comment-form'])];
Chris@0:       }
Chris@0:       else {
Chris@0:         $destination = ['destination' => $entity->url('canonical', ['fragment' => 'comment-form'])];
Chris@0:       }
Chris@0: 
Chris@0:       if ($this->userConfig->get('register') != USER_REGISTER_ADMINISTRATORS_ONLY) {
Chris@0:         // Users can register themselves.
Chris@0:         return $this->t('<a href=":login">Log in</a> or <a href=":register">register</a> to post comments', [
Chris@0:           ':login' => $this->urlGenerator->generateFromRoute('user.login', [], ['query' => $destination]),
Chris@0:           ':register' => $this->urlGenerator->generateFromRoute('user.register', [], ['query' => $destination]),
Chris@0:         ]);
Chris@0:       }
Chris@0:       else {
Chris@0:         // Only admins can add new users, no public registration.
Chris@0:         return $this->t('<a href=":login">Log in</a> to post comments', [
Chris@0:           ':login' => $this->urlGenerator->generateFromRoute('user.login', [], ['query' => $destination]),
Chris@0:         ]);
Chris@0:       }
Chris@0:     }
Chris@0:     return '';
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function getCountNewComments(EntityInterface $entity, $field_name = NULL, $timestamp = 0) {
Chris@0:     // @todo Replace module handler with optional history service injection
Chris@0:     //   after https://www.drupal.org/node/2081585.
Chris@0:     if ($this->currentUser->isAuthenticated() && $this->moduleHandler->moduleExists('history')) {
Chris@0:       // Retrieve the timestamp at which the current user last viewed this entity.
Chris@0:       if (!$timestamp) {
Chris@0:         if ($entity->getEntityTypeId() == 'node') {
Chris@0:           $timestamp = history_read($entity->id());
Chris@0:         }
Chris@0:         else {
Chris@0:           $function = $entity->getEntityTypeId() . '_last_viewed';
Chris@0:           if (function_exists($function)) {
Chris@0:             $timestamp = $function($entity->id());
Chris@0:           }
Chris@0:           else {
Chris@0:             // Default to 30 days ago.
Chris@0:             // @todo Remove once https://www.drupal.org/node/1029708 lands.
Chris@0:             $timestamp = COMMENT_NEW_LIMIT;
Chris@0:           }
Chris@0:         }
Chris@0:       }
Chris@0:       $timestamp = ($timestamp > HISTORY_READ_LIMIT ? $timestamp : HISTORY_READ_LIMIT);
Chris@0: 
Chris@0:       // Use the timestamp to retrieve the number of new comments.
Chris@0:       $query = $this->entityManager->getStorage('comment')->getQuery()
Chris@0:         ->condition('entity_type', $entity->getEntityTypeId())
Chris@0:         ->condition('entity_id', $entity->id())
Chris@0:         ->condition('created', $timestamp, '>')
Chris@0:         ->condition('status', CommentInterface::PUBLISHED);
Chris@0:       if ($field_name) {
Chris@0:         // Limit to a particular field.
Chris@0:         $query->condition('field_name', $field_name);
Chris@0:       }
Chris@0: 
Chris@0:       return $query->count()->execute();
Chris@0:     }
Chris@0:     return FALSE;
Chris@0:   }
Chris@0: 
Chris@0: }