--- /dev/null
+<?php
+
+namespace Drupal\comment;
+
+use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\Component\Utility\NestedArray;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Entity\FieldableEntityInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Session\AccountInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\Url;
+
+/**
+ * Defines a class for building markup for comment links on a commented entity.
+ *
+ * Comment links include 'log in to post new comment', 'add new comment' etc.
+ */
+class CommentLinkBuilder implements CommentLinkBuilderInterface {
+
+ use StringTranslationTrait;
+
+ /**
+ * Current user.
+ *
+ * @var \Drupal\Core\Session\AccountInterface
+ */
+ protected $currentUser;
+
+ /**
+ * Comment manager service.
+ *
+ * @var \Drupal\comment\CommentManagerInterface
+ */
+ protected $commentManager;
+
+ /**
+ * Module handler service.
+ *
+ * @var \Drupal\Core\Extension\ModuleHandlerInterface
+ */
+ protected $moduleHandler;
+
+ /**
+ * The entity manager service.
+ *
+ * @var \Drupal\Core\Entity\EntityManagerInterface
+ */
+ protected $entityManager;
+
+ /**
+ * Constructs a new CommentLinkBuilder object.
+ *
+ * @param \Drupal\Core\Session\AccountInterface $current_user
+ * Current user.
+ * @param \Drupal\comment\CommentManagerInterface $comment_manager
+ * Comment manager service.
+ * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+ * Module handler service.
+ * @param \Drupal\Core\StringTranslation\TranslationInterface $string_translation
+ * String translation service.
+ * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+ * The entity manager service.
+ */
+ public function __construct(AccountInterface $current_user, CommentManagerInterface $comment_manager, ModuleHandlerInterface $module_handler, TranslationInterface $string_translation, EntityManagerInterface $entity_manager) {
+ $this->currentUser = $current_user;
+ $this->commentManager = $comment_manager;
+ $this->moduleHandler = $module_handler;
+ $this->stringTranslation = $string_translation;
+ $this->entityManager = $entity_manager;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function buildCommentedEntityLinks(FieldableEntityInterface $entity, array &$context) {
+ $entity_links = [];
+ $view_mode = $context['view_mode'];
+ if ($view_mode == 'search_index' || $view_mode == 'search_result' || $view_mode == 'print' || $view_mode == 'rss') {
+ // Do not add any links if the entity is displayed for:
+ // - search indexing.
+ // - constructing a search result excerpt.
+ // - print.
+ // - rss.
+ return [];
+ }
+
+ $fields = $this->commentManager->getFields($entity->getEntityTypeId());
+ foreach ($fields as $field_name => $detail) {
+ // Skip fields that the entity does not have.
+ if (!$entity->hasField($field_name)) {
+ continue;
+ }
+ $links = [];
+ $commenting_status = $entity->get($field_name)->status;
+ if ($commenting_status != CommentItemInterface::HIDDEN) {
+ // Entity has commenting status open or closed.
+ $field_definition = $entity->getFieldDefinition($field_name);
+ if ($view_mode == 'teaser') {
+ // Teaser view: display the number of comments that have been posted,
+ // or a link to add new comments if the user has permission, the
+ // entity is open to new comments, and there currently are none.
+ if ($this->currentUser->hasPermission('access comments')) {
+ if (!empty($entity->get($field_name)->comment_count)) {
+ $links['comment-comments'] = [
+ 'title' => $this->formatPlural($entity->get($field_name)->comment_count, '1 comment', '@count comments'),
+ 'attributes' => ['title' => $this->t('Jump to the first comment.')],
+ 'fragment' => 'comments',
+ 'url' => $entity->urlInfo(),
+ ];
+ if ($this->moduleHandler->moduleExists('history')) {
+ $links['comment-new-comments'] = [
+ 'title' => '',
+ 'url' => Url::fromRoute('<current>'),
+ 'attributes' => [
+ 'class' => 'hidden',
+ 'title' => $this->t('Jump to the first new comment.'),
+ 'data-history-node-last-comment-timestamp' => $entity->get($field_name)->last_comment_timestamp,
+ 'data-history-node-field-name' => $field_name,
+ ],
+ ];
+ }
+ }
+ }
+ // Provide a link to new comment form.
+ if ($commenting_status == CommentItemInterface::OPEN) {
+ $comment_form_location = $field_definition->getSetting('form_location');
+ if ($this->currentUser->hasPermission('post comments')) {
+ $links['comment-add'] = [
+ 'title' => $this->t('Add new comment'),
+ 'language' => $entity->language(),
+ 'attributes' => ['title' => $this->t('Share your thoughts and opinions.')],
+ 'fragment' => 'comment-form',
+ ];
+ if ($comment_form_location == CommentItemInterface::FORM_SEPARATE_PAGE) {
+ $links['comment-add']['url'] = Url::fromRoute('comment.reply', [
+ 'entity_type' => $entity->getEntityTypeId(),
+ 'entity' => $entity->id(),
+ 'field_name' => $field_name,
+ ]);
+ }
+ else {
+ $links['comment-add'] += ['url' => $entity->urlInfo()];
+ }
+ }
+ elseif ($this->currentUser->isAnonymous()) {
+ $links['comment-forbidden'] = [
+ 'title' => $this->commentManager->forbiddenMessage($entity, $field_name),
+ ];
+ }
+ }
+ }
+ else {
+ // Entity in other view modes: add a "post comment" link if the user
+ // is allowed to post comments and if this entity is allowing new
+ // comments.
+ if ($commenting_status == CommentItemInterface::OPEN) {
+ $comment_form_location = $field_definition->getSetting('form_location');
+ if ($this->currentUser->hasPermission('post comments')) {
+ // Show the "post comment" link if the form is on another page, or
+ // if there are existing comments that the link will skip past.
+ if ($comment_form_location == CommentItemInterface::FORM_SEPARATE_PAGE || (!empty($entity->get($field_name)->comment_count) && $this->currentUser->hasPermission('access comments'))) {
+ $links['comment-add'] = [
+ 'title' => $this->t('Add new comment'),
+ 'attributes' => ['title' => $this->t('Share your thoughts and opinions.')],
+ 'fragment' => 'comment-form',
+ ];
+ if ($comment_form_location == CommentItemInterface::FORM_SEPARATE_PAGE) {
+ $links['comment-add']['url'] = Url::fromRoute('comment.reply', [
+ 'entity_type' => $entity->getEntityTypeId(),
+ 'entity' => $entity->id(),
+ 'field_name' => $field_name,
+ ]);
+ }
+ else {
+ $links['comment-add']['url'] = $entity->urlInfo();
+ }
+ }
+ }
+ elseif ($this->currentUser->isAnonymous()) {
+ $links['comment-forbidden'] = [
+ 'title' => $this->commentManager->forbiddenMessage($entity, $field_name),
+ ];
+ }
+ }
+ }
+ }
+
+ if (!empty($links)) {
+ $entity_links['comment__' . $field_name] = [
+ '#theme' => 'links__entity__comment__' . $field_name,
+ '#links' => $links,
+ '#attributes' => ['class' => ['links', 'inline']],
+ ];
+ if ($view_mode == 'teaser' && $this->moduleHandler->moduleExists('history') && $this->currentUser->isAuthenticated()) {
+ $entity_links['comment__' . $field_name]['#cache']['contexts'][] = 'user';
+ $entity_links['comment__' . $field_name]['#attached']['library'][] = 'comment/drupal.node-new-comments-link';
+ // Embed the metadata for the "X new comments" link (if any) on this
+ // entity.
+ $entity_links['comment__' . $field_name]['#attached']['drupalSettings']['history']['lastReadTimestamps'][$entity->id()] = (int) history_read($entity->id());
+ $new_comments = $this->commentManager->getCountNewComments($entity);
+ if ($new_comments > 0) {
+ $page_number = $this->entityManager
+ ->getStorage('comment')
+ ->getNewCommentPageNumber($entity->{$field_name}->comment_count, $new_comments, $entity, $field_name);
+ $query = $page_number ? ['page' => $page_number] : NULL;
+ $value = [
+ 'new_comment_count' => (int) $new_comments,
+ 'first_new_comment_link' => $entity->url('canonical', [
+ 'query' => $query,
+ 'fragment' => 'new',
+ ]),
+ ];
+ $parents = ['comment', 'newCommentsLinks', $entity->getEntityTypeId(), $field_name, $entity->id()];
+ NestedArray::setValue($entity_links['comment__' . $field_name]['#attached']['drupalSettings'], $parents, $value);
+ }
+ }
+ }
+ }
+ return $entity_links;
+ }
+
+}
projects / yaffs-website / blobdiff