cloudwords-8.x-1.x-dev/modules/cloudwords_interface_translation/cloudwords_interface_translation.module

<?php

/**
 * Implements hook_cloudwords_translatable_info().
 */
function cloudwords_interface_translation_cloudwords_translatable_info() {
  $entity_controllers['interface'] = [
    'controller class' => '\Drupal\cloudwords_interface_translation\CloudwordsInterfaceSourceController',
  ];
  return $entity_controllers;
}

// @todo refresh translatables
/**
 * Implements hook_cloudwords_refresh_translatables().
 */

function cloudwords_interface_translation_cloudwords_refresh_translatables(&$context){
  // @todo exclude source language - ie en
  $langcodes = array_keys(cloudwords_language_list());
  $default_language = \Drupal::languageManager()->getCurrentLanguage()->getId();
  $langcodes = array_diff($langcodes, [$default_language]);

  $context['finished'] = 0;
  $batch_limit = 50;
  if (!isset($context['sandbox']['processed_runs'])) {
    $context['sandbox']['processed_runs'] = 0;
  }

  if (!isset($context['sandbox']['translatable_items'])) {
    $context['sandbox']['translatables_created'] = 0;
    // @todo need translation module type field - replace these with translation bundle module type
    $connection = \Drupal\Core\Database\Database::getConnection();

    //translatables
    $ct_data = $connection->select('cloudwords_translatable', 'ct')->fields('ct')->condition('ct.translation_module', CLOUDWORDS_INTERFACE_TRANSLATION_TYPE)->execute();
    $ct_results = $ct_data->fetchAll(\PDO::FETCH_OBJ);
    $translatables = [];
    foreach ($ct_results as $ct) {
      $translatables[$ct->objectid][$ct->language] = $ct;
    }

    $ls_data = $connection->select('locales_source', 'ls')->fields('ls')->execute();
    $ls_results = $ls_data->fetchAll(\PDO::FETCH_OBJ);

    foreach ($ls_results as $ls) {
      foreach($langcodes as $langcode) {
          if (!isset($translatables[$ls->lid][$langcode])){
            $context['sandbox']['translatable_items'][$ls->lid]['langs'][$langcode] = $langcode;
          }
      }
      if(!empty($context['sandbox']['translatable_items'][$ls->lid]['langs'])) {
        $context['sandbox']['translatable_items'][$ls->lid]['lid'] = $ls->lid;
        $context['sandbox']['translatable_items'][$ls->lid]['name'] = $ls->source;
      }
    }

  }else{
    $processed_in_batch = 0;

    foreach($context['sandbox']['translatable_items'] as $translatable_item){
      $context['message'] = 'Scanning interface translatable items.  ' .count($context['sandbox']['translatable_items']).' remaining';
      if(!empty($translatable_item['langs'])){

        foreach($translatable_item['langs'] as $lang){
          // add translatable
          $lid = $translatable_item['lid'];
          $new = cloudwords_translatable_create([
            'translation_module' => CLOUDWORDS_INTERFACE_TRANSLATION_TYPE,
            'objectid' => $lid,
            'language' => $lang,
            'name' => mb_strimwidth($translatable_item['name'], 0, 45),
            'textgroup' => 'interface',
            'type' => 'interface',
            'bundle' => 'interface',
            'user_id' => 0,
          ]);
          $new->save();
          $context['sandbox']['translatables_created'] += 1;
          $processed_in_batch++;

          unset($context['sandbox']['translatable_items'][$lid]['langs'][$lang]);
          if(empty($context['sandbox']['translatable_items'][$lid]['langs'])){
            unset($context['sandbox']['translatable_items'][$lid]);
          }
        }


      }
      unset($context['sandbox']['translatable_items'][$translatable_item['lid']]);

      if ($processed_in_batch >= $batch_limit) {
        break;
      }
    }
  }

  // @todo delete translatables where lids don't exist

  if (empty($context['sandbox']['translatable_items'])) {
    $msg = \Drupal::translation()->formatPlural($context['sandbox']['translatables_created'],
      'Interface Translation: Created @count translatable',
      'Interface Translation: Created @count translatables',
      ['%count' => $context['sandbox']['translatables_created']]);
    drupal_set_message($msg);
    $context['finished'] = 1;
  }

  // safeguard to prevent batch from running forever in the case of a data anomaly
  $context['sandbox']['processed_runs'] += 1;
  if($context['sandbox']['processed_runs'] == 1000){
    $context['finished'] = 1;
  }
}