/**
* Indexes a single node.
*
* @param \Drupal\node\NodeInterface $node
* The node to index.
*/
protected function indexNode(NodeInterface $node)
{
// Save the changed time of the most recent indexed node, for the search
// results half-life calculation.
$this->state->set('node.cron_last', $node->getChangedTime());
$languages = $node->getTranslationLanguages();
$node_render = $this->entityManager->getViewBuilder('node');
foreach ($languages as $language) {
$node = $node->getTranslation($language->id);
// Render the node.
$build = $node_render->view($node, 'search_index', $language->id);
unset($build['#theme']);
$node->rendered = drupal_render($build);
$text = '<h1>' . String::checkPlain($node->label($language->id)) . '</h1>' . $node->rendered;
// Fetch extra data normally not visible.
$extra = $this->moduleHandler->invokeAll('node_update_index', array($node, $language->id));
foreach ($extra as $t) {
$text .= $t;
}
// Update index.
search_index($node->id(), $this->getPluginId(), $text, $language->id);
}
}
