taxonomy_build_node_index($node)
Builds and inserts taxonomy index entries for a given node.
The index lists all terms that are related to a given node entity, and is therefore maintained at the entity level.
Parameters
\Drupal\node\Entity\Node $node: The node entity.
Related topics
- Taxonomy indexing
- Functions to maintain taxonomy indexing.
File
- core/modules/taxonomy/taxonomy.module, line 501
- Enables the organization of content into categories.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | function taxonomy_build_node_index($node) { // We maintain a denormalized table of term/node relationships, containing // only data for current, published nodes. if (!\Drupal::config('taxonomy.settings')->get('maintain_index_table') || !(\Drupal::entityManager()->getStorage('node') instanceof SqlContentEntityStorage)) { return; } $status = $node->isPublished(); $sticky = (int) $node->isSticky(); // We only maintain the taxonomy index for published nodes. if ($status && $node->isDefaultRevision()) { // Collect a unique list of all the term IDs from all node fields. $tid_all = array(); $entity_reference_class = 'Drupal\Core\Field\Plugin\Field\FieldType\EntityReferenceItem'; foreach ($node->getFieldDefinitions() as $field) { $field_name = $field->getName(); $class = $field->getItemDefinition()->getClass(); $is_entity_reference_class = ($class === $entity_reference_class) || is_subclass_of($class, $entity_reference_class); if ($is_entity_reference_class && $field->getSetting('target_type') == 'taxonomy_term') { foreach ($node->getTranslationLanguages() as $language) { foreach ($node->getTranslation($language->getId())->$field_name as $item) { if (!$item->isEmpty()) { $tid_all[$item->target_id] = $item->target_id; } } } } } // Insert index entries for all the node's terms. if (!empty($tid_all)) { foreach ($tid_all as $tid) { db_merge('taxonomy_index') ->key(array('nid' => $node->id(), 'tid' => $tid, 'status' => $node->isPublished())) ->fields(array('sticky' => $sticky, 'created' => $node->getCreatedTime())) ->execute(); } } }} |
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