public function DrushLanguageCliService::add in Drush Language Commands 8

Add and import one or more new language definitions.

Parameters

\Symfony\Component\Console\Style\StyleInterface|\Drupal\drush_language\Drush8Io $io: The $io interface of the cli tool calling.

callable $t: The translation function akin to t().

array $langcodes: A list of langcodes for which a definition will be added.

File

src/Service/DrushLanguageCliService.php, line 106

Class

DrushLanguageCliService

Class DrushLanguageCliService.

Namespace

Drupal\drush_language\Service

Code

public function add($io, callable $t, array $langcodes) {
  if (empty($langcodes)) {
    $io
      ->error($t('Please provide one or more comma-separated language codes as arguments.'));
    return;
  }
  foreach ($langcodes as $langcode) {
    $messageArgs = [
      '@langcode' => $langcode,
    ];

    // In the foreach loop because the list changes on successful iterations.
    $languages = $this->languageManager
      ->getLanguages();

    // Do not re-add existing languages.
    if (isset($languages[$langcode])) {
      $io
        ->warning($t('The language with code @langcode already exists.', $messageArgs));
      continue;
    }

    // Only allow adding languages for predefined langcodes.
    // In the foreach loop because the list changes on successful iterations.
    $predefined = $this->languageManager
      ->getStandardLanguageListWithoutConfigured();
    if (!isset($predefined[$langcode])) {
      $io
        ->warning($t('Invalid language code: @langcode', $messageArgs));
      continue;
    }

    // Add the language definition.
    $language = ConfigurableLanguage::createFromLangcode($langcode);
    $language
      ->save();

    // Download and import translations for the newly added language if
    // interface translation is enabled.
    if ($this->moduleHandler
      ->moduleExists('locale')) {
      module_load_include('fetch.inc', 'locale');
      $options = _locale_translation_default_update_options();
      if ($batch = locale_translation_batch_update_build([], [
        $langcode,
      ], $options)) {
        batch_set($batch);
        $batch =& batch_get();
        $batch['progressive'] = FALSE;

        // Process the batch.
        drush_backend_batch_process();
      }
    }
    $io
      ->text($t('Added language: @langcode', $messageArgs));
  }
}