protected function LanguageWithFallback::getReverseLanguageFallbacks in Search API 8

Retrieves all langcodes that fall back to the given entity translation.

Parameters

\Drupal\Core\Entity\ContentEntityInterface $entity: The entity translation.

Return value

string[] The codes of the languages for which the given entity is the fallback.

1 call to LanguageWithFallback::getReverseLanguageFallbacks()

LanguageWithFallback::addFieldValues in src/Plugin/search_api/processor/LanguageWithFallback.php

Adds the values of properties defined by this processor to the item.

File

src/Plugin/search_api/processor/LanguageWithFallback.php, line 161

Class

LanguageWithFallback

Adds the item's language (with fallbacks) to the indexed data.

Namespace

Drupal\search_api\Plugin\search_api\processor

Code

protected function getReverseLanguageFallbacks(ContentEntityInterface $entity) {
  $entityLangcode = $entity
    ->language()
    ->getId();
  $reverseFallbackLangcodes = [
    $entityLangcode,
  ];
  foreach ($this->languageManager
    ->getLanguages() as $langcode => $language) {
    if ($langcode === $entityLangcode) {
      continue;
    }
    $context = [
      // The fallback_to_passed_entity is recognized by language_fallback_fix
      // module and does not change anything if that is not installed.
      // It allows to have languages without fallback and will hopefully be
      // fixed in core this way or another.
      // @see https://www.drupal.org/node/2951294#comment-13127796
      'fallback_to_passed_entity' => FALSE,
      // We use the entity_upcast operation here, as for the entity_view
      // operation, content_translation removes fallbacks that the current
      // user does not have access, which would lead to indexing dependent of
      // user access.
      // @see content_translation_language_fallback_candidates_entity_view_alter()
      'operation' => 'entity_upcast',
    ];
    $fallback = $this->entityRepository
      ->getTranslationFromContext($entity, $langcode, $context);
    if ($fallback && $fallback
      ->language()
      ->getId() === $entityLangcode) {
      $reverseFallbackLangcodes[] = $langcode;
    }
  }
  return $reverseFallbackLangcodes;
}