/**
* #post_render_cache callback; attaches "X new comments" link metadata.
*
* @param array $element
* A render array with the following keys:
* - #markup
* - #attached
* @param array $context
* An array with the following keys:
* - entity_type: an entity type
* - entity_id: an entity ID
* - field_name: a comment field name
*
* @return array
* The updated $element.
*/
public function attachNewCommentsLinkMetadata(array $element, array $context)
{
$entity = $this->entityManager->getStorage($context['entity_type'])->load($context['entity_id']);
// Build "X new comments" link metadata.
$new = $this->commentManager->getCountNewComments($entity);
// Early-return if there are zero new comments for the current user.
if ($new === 0) {
return $element;
}
$field_name = $context['field_name'];
$page_number = $this->entityManager->getStorage('comment')->getNewCommentPageNumber($entity->{$field_name}->comment_count, $new, $entity);
$query = $page_number ? array('page' => $page_number) : NULL;
// Attach metadata.
$element['#attached']['js'][] = array('type' => 'setting', 'data' => array('comment' => array('newCommentsLinks' => array($context['entity_type'] => array($context['field_name'] => array($context['entity_id'] => array('new_comment_count' => (int) $new, 'first_new_comment_link' => $entity->url('canonical', ['query' => $query, 'fragment' => 'new']))))))));
return $element;
}
/**
* Returns a set of nodes' last read timestamps.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* The request of the page.
*
* @throws \Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException
* @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
* @return \Symfony\Component\HttpFoundation\JsonResponse
* The JSON response.
*/
public function renderNewCommentsNodeLinks(Request $request)
{
if ($this->currentUser()->isAnonymous()) {
throw new AccessDeniedHttpException();
}
$nids = $request->request->get('node_ids');
$field_name = $request->request->get('field_name');
if (!isset($nids)) {
throw new NotFoundHttpException();
}
// Only handle up to 100 nodes.
$nids = array_slice($nids, 0, 100);
$links = array();
foreach ($nids as $nid) {
$node = $this->entityManager->getStorage('node')->load($nid);
$new = $this->commentManager->getCountNewComments($node);
$page_number = $this->entityManager()->getStorage('comment')->getNewCommentPageNumber($node->{$field_name}->comment_count, $new, $node);
$query = $page_number ? array('page' => $page_number) : NULL;
$links[$nid] = array('new_comment_count' => (int) $new, 'first_new_comment_link' => $this->getUrlGenerator()->generateFromRoute('entity.node.canonical', array('node' => $node->id()), array('query' => $query, 'fragment' => 'new')));
}
return new JsonResponse($links);
}
/**
* {@inheritdoc}
*/
public function buildCommentedEntityLinks(FieldableEntityInterface $entity, array &$context)
{
$entity_links = array();
$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 array();
}
$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 = array();
$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'] = array('title' => $this->formatPlural($entity->get($field_name)->comment_count, '1 comment', '@count comments'), 'attributes' => array('title' => $this->t('Jump to the first comment.')), 'fragment' => 'comments', 'url' => $entity->urlInfo());
if ($this->moduleHandler->moduleExists('history')) {
$links['comment-new-comments'] = array('title' => '', 'url' => Url::fromRoute('<current>'), 'attributes' => array('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'] = array('title' => $this->t('Add new comments'), 'language' => $entity->language(), 'attributes' => array('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'] = array('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'] = array('title' => $this->t('Add new comment'), 'attributes' => array('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'] = array('title' => $this->commentManager->forbiddenMessage($entity, $field_name));
}
}
}
}
if (!empty($links)) {
$entity_links['comment__' . $field_name] = array('#theme' => 'links__entity__comment__' . $field_name, '#links' => $links, '#attributes' => array('class' => array('links', 'inline')));
if ($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 $entity_links;
}
/**
* {@inheritdoc}
*/
public function getTopics($tid, AccountInterface $account)
{
$config = $this->configFactory->get('forum.settings');
$forum_per_page = $config->get('topics.page_limit');
$sortby = $config->get('topics.order');
$header = array(array('data' => $this->t('Topic'), 'field' => 'f.title'), array('data' => $this->t('Replies'), 'field' => 'f.comment_count'), array('data' => $this->t('Last reply'), 'field' => 'f.last_comment_timestamp'));
$order = $this->getTopicOrder($sortby);
for ($i = 0; $i < count($header); $i++) {
if ($header[$i]['field'] == $order['field']) {
$header[$i]['sort'] = $order['sort'];
}
}
$query = $this->connection->select('forum_index', 'f')->extend('Drupal\\Core\\Database\\Query\\PagerSelectExtender')->extend('Drupal\\Core\\Database\\Query\\TableSortExtender');
$query->fields('f');
$query->condition('f.tid', $tid)->addTag('node_access')->addMetaData('base_table', 'forum_index')->orderBy('f.sticky', 'DESC')->orderByHeader($header)->limit($forum_per_page);
$count_query = $this->connection->select('forum_index', 'f');
$count_query->condition('f.tid', $tid);
$count_query->addExpression('COUNT(*)');
$count_query->addTag('node_access');
$count_query->addMetaData('base_table', 'forum_index');
$query->setCountQuery($count_query);
$result = $query->execute();
$nids = array();
foreach ($result as $record) {
$nids[] = $record->nid;
}
if ($nids) {
$nodes = $this->entityManager->getStorage('node')->loadMultiple($nids);
$query = $this->connection->select('node_field_data', 'n')->extend('Drupal\\Core\\Database\\Query\\TableSortExtender');
$query->fields('n', array('nid'));
$query->join('comment_entity_statistics', 'ces', "n.nid = ces.entity_id AND ces.field_name = 'comment_forum' AND ces.entity_type = 'node'");
$query->fields('ces', array('cid', 'last_comment_uid', 'last_comment_timestamp', 'comment_count'));
$query->join('forum_index', 'f', 'f.nid = n.nid');
$query->addField('f', 'tid', 'forum_tid');
$query->join('users_field_data', 'u', 'n.uid = u.uid AND u.default_langcode = 1');
$query->addField('u', 'name');
$query->join('users_field_data', 'u2', 'ces.last_comment_uid = u2.uid AND u.default_langcode = 1');
$query->addExpression('CASE ces.last_comment_uid WHEN 0 THEN ces.last_comment_name ELSE u2.name END', 'last_comment_name');
$query->orderBy('f.sticky', 'DESC')->orderByHeader($header)->condition('n.nid', $nids, 'IN')->condition('n.default_langcode', 1);
$result = array();
foreach ($query->execute() as $row) {
$topic = $nodes[$row->nid];
$topic->comment_mode = $topic->comment_forum->status;
foreach ($row as $key => $value) {
$topic->{$key} = $value;
}
$result[] = $topic;
}
} else {
$result = array();
}
$topics = array();
$first_new_found = FALSE;
foreach ($result as $topic) {
if ($account->isAuthenticated()) {
// A forum is new if the topic is new, or if there are new comments since
// the user's last visit.
if ($topic->forum_tid != $tid) {
$topic->new = 0;
} else {
$history = $this->lastVisit($topic->id(), $account);
$topic->new_replies = $this->commentManager->getCountNewComments($topic, 'comment_forum', $history);
$topic->new = $topic->new_replies || $topic->last_comment_timestamp > $history;
}
} else {
// Do not track "new replies" status for topics if the user is anonymous.
$topic->new_replies = 0;
$topic->new = 0;
}
// Make sure only one topic is indicated as the first new topic.
$topic->first_new = FALSE;
if ($topic->new != 0 && !$first_new_found) {
$topic->first_new = TRUE;
$first_new_found = TRUE;
}
if ($topic->comment_count > 0) {
$last_reply = new \stdClass();
$last_reply->created = $topic->last_comment_timestamp;
$last_reply->name = $topic->last_comment_name;
$last_reply->uid = $topic->last_comment_uid;
$topic->last_reply = $last_reply;
}
$topics[$topic->id()] = $topic;
}
return array('topics' => $topics, 'header' => $header);
}
