Adds path alias language fallback conditions to a select query object.

Parameters

\Drupal\Core\Database\Query\SelectInterface $query: A Select query object.

string $langcode: Language code to search the path with. If there's no path defined for that language it will search paths without language.

3 calls to AliasRepository::addLanguageFallback()

AliasRepository::lookupByAlias in core/modules/path_alias/src/AliasRepository.php

Searches a path alias for a given alias.

AliasRepository::lookupBySystemPath in core/modules/path_alias/src/AliasRepository.php

Searches a path alias for a given Drupal system path.

AliasRepository::preloadPathAlias in core/modules/path_alias/src/AliasRepository.php

Pre-loads path alias information for a given list of system paths.

File

core/modules/path_alias/src/AliasRepository.php, line 124

Class

AliasRepository

Provides the default path alias lookup operations.

Namespace

Drupal\path_alias

Code

protected function addLanguageFallback(SelectInterface $query, $langcode) {
  // Always get the language-specific alias before the language-neutral one.
  // For example 'de' is less than 'und' so the order needs to be ASC, while
  // 'xx-lolspeak' is more than 'und' so the order needs to be DESC.
  $langcode_list = [
    $langcode,
    LanguageInterface::LANGCODE_NOT_SPECIFIED,
  ];
  if ($langcode === LanguageInterface::LANGCODE_NOT_SPECIFIED) {
    array_pop($langcode_list);
  }
  elseif ($langcode > LanguageInterface::LANGCODE_NOT_SPECIFIED) {
    $query->orderBy('base_table.langcode', 'DESC');
  }
  else {
    $query->orderBy('base_table.langcode', 'ASC');
  }
  $query->condition('base_table.langcode', $langcode_list, 'IN');
}

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