ForumController::build

protected ForumController::build($forums, TermInterface $term, $topics = array(), $parents = array(), $header = array())

protected function build($forums, TermInterface $term, $topics = array(), $parents = array(), $header = array()) {
  $config = $this->config('forum.settings');
  $build = array(
    '#theme' => 'forums',
    '#forums' => $forums,
    '#topics' => $topics,
    '#parents' => $parents,
    '#header' => $header,
    '#term' => $term,
    '#sortby' => $config->get('topics.order'),
    '#forums_per_page' => $config->get('topics.page_limit'),
  );
  if (empty($term->forum_container->value)) {
    $build['#attached']['feed'][] = array('taxonomy/term/' . $term->id() . '/feed', 'RSS - ' . $term->getName());
  }
  $this->renderer->addCacheableDependency($build, $config);

  foreach ($forums as $forum) {
    $this->renderer->addCacheableDependency($build, $forum);
  }
  foreach ($topics as $topic) {
    $this->renderer->addCacheableDependency($build, $topic);
  }
  foreach ($parents as $parent) {
    $this->renderer->addCacheableDependency($build, $parent);
  }
  $this->renderer->addCacheableDependency($build, $term);

  return [
    'action' => $this->buildActionLinks($config->get('vocabulary'), $term),
    'forum' => $build,
    '#cache' => [
      'tags' => Cache::mergeTags($this->nodeEntityTypeDefinition->getListCacheTags(), $this->commentEntityTypeDefinition->getListCacheTags()),
    ],
  ];
}