drupal/core/modules/locale/locale.install

<?php

/**
 * @file
 * Install, update, and uninstall functions for the Locale module.
 */

use Drupal\Core\Url;
use Drupal\Core\Language\Language;
use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationSelected;

/**
 * Implements hook_install().
 */
function locale_install() {
  // Create the interface translations directory and ensure it's writable.
  if (!$directory = \Drupal::config('locale.settings')->get('translation.path')) {
    $directory = conf_path() . '/files/translations';
    \Drupal::config('locale.settings')->set('translation.path', $directory)->save();
  }
  file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS);
}

/**
 * Implements hook_uninstall().
 */
function locale_uninstall() {
  $config = \Drupal::config('locale.settings');
  // Delete all JavaScript translation files.
  $locale_js_directory = 'public://' . $config->get('javascript.directory');

  if (is_dir($locale_js_directory)) {
    $locale_javascripts = \Drupal::state()->get('locale.translation.javascript') ?: array();
    foreach ($locale_javascripts as $langcode => $file_suffix) {
      if (!empty($file_suffix)) {
        file_unmanaged_delete($locale_js_directory . '/' . $langcode . '_' . $file_suffix . '.js');
      }
    }
    // Delete the JavaScript translations directory if empty.
    if (!file_scan_directory($locale_js_directory, '/.*/')) {
      drupal_rmdir($locale_js_directory);
    }
  }

  // Clear variables.
  \Drupal::state()->delete('system.javascript_parsed');
  \Drupal::state()->delete('locale.translation.plurals');
  \Drupal::state()->delete('locale.translation.javascript');
}

/**
 * Implements hook_schema().
 */
function locale_schema() {
  $schema['locales_source'] = array(
    'description' => 'List of English source strings.',
    'fields' => array(
      'lid' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Unique identifier of this string.',
      ),
      'source' => array(
        'type' => 'text',
        'mysql_type' => 'blob',
        'not null' => TRUE,
        'description' => 'The original string in English.',
      ),
      'context' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The context this string applies to.',
      ),
      'version' => array(
        'type' => 'varchar',
        'length' => 20,
        'not null' => TRUE,
        'default' => 'none',
        'description' => 'Version of Drupal where the string was last used (for locales optimization).',
      ),
    ),
    'primary key' => array('lid'),
    'indexes' => array(
      'source_context' => array(array('source', 30), 'context'),
    ),
  );

  $schema['locales_target'] = array(
    'description' => 'Stores translated versions of strings.',
    'fields' => array(
      'lid' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Source string ID. References {locales_source}.lid.',
      ),
      'translation' => array(
        'type' => 'text',
        'mysql_type' => 'blob',
        'not null' => TRUE,
        'description' => 'Translation string value in this language.',
      ),
      'language' => array(
        'type' => 'varchar',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Language code. References {language}.langcode.',
      ),
      'customized' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0, // LOCALE_NOT_CUSTOMIZED
        'description' => 'Boolean indicating whether the translation is custom to this site.',
      ),
    ),
    'primary key' => array('language', 'lid'),
    'foreign keys' => array(
      'locales_source' => array(
        'table' => 'locales_source',
        'columns' => array('lid' => 'lid'),
      ),
    ),
    'indexes' => array(
      'lid' => array('lid'),
    ),
  );

  $schema['locales_location'] = array(
    'description' => 'Location information for source strings.',
    'fields' => array(
      'lid' => array(
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Unique identifier of this location.',
      ),
      'sid' => array(
        'type' => 'int',
        'not null' => TRUE,
        'description' => 'Unique identifier of this string.',
      ),
      'type' => array(
        'type' => 'varchar',
        'length' => 50,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The location type (file, config, path, etc).',
      ),
      'name' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Type dependent location information (file name, path, etc).',
      ),
      'version' => array(
        'type' => 'varchar',
        'length' => 20,
        'not null' => TRUE,
        'default' => 'none',
        'description' => 'Version of Drupal where the location was found.',
      ),
    ),
    'primary key' => array('lid'),
    'foreign keys' => array(
      'locales_source' => array(
        'table' => 'locales_source',
        'columns' => array('sid' => 'lid'),
      ),
    ),
    'indexes' => array(
      'string_id' => array('sid'),
      'string_type' => array('sid', 'type'),
    ),
  );

  $schema['locale_file'] = array(
    'description' => 'File import status information for interface translation files.',
    'fields' => array(
      'project' => array(
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
        'default' => '',
        'description' => 'A unique short name to identify the project the file belongs to.',
      ),
      'langcode' => array(
        'type' => 'varchar',
        'length' => '12',
        'not null' => TRUE,
        'default' => '',
        'description' => 'Language code of this translation. References {language}.langcode.',
      ),
      'filename' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Filename of the imported file.',
      ),
      'version' => array(
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
        'default' => '',
        'description' => 'Version tag of the imported file.',
      ),
      'uri' => array(
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'URI of the remote file, the resulting local file or the locally imported file.',
      ),
      'timestamp' => array(
        'type' => 'int',
        'not null' => FALSE,
        'default' => 0,
        'description' => 'Unix timestamp of the imported file.',
      ),
      'last_checked' => array(
        'type' => 'int',
        'not null' => FALSE,
        'default' => 0,
        'description' => 'Unix timestamp of the last time this translation was confirmed to be the most recent release available.',
      ),
    ),
    'primary key' => array('project', 'langcode'),
  );
  return $schema;
}

/**
 * Implements hook_requirements().
 */
function locale_requirements($phase) {
  $requirements = array();
  if ($phase == 'runtime') {
    $available_updates = array();
    $untranslated = array();
    $languages = locale_translatable_language_list();

    if ($languages) {
      // Determine the status of the translation updates per language.
      $status = locale_translation_get_status();
      if ($status) {
        foreach ($status as $project) {
          foreach ($project as $langcode => $project_info) {
            if (empty($project_info->type)) {
              $untranslated[$langcode] = $languages[$langcode]->name;
            }
            elseif ($project_info->type == LOCALE_TRANSLATION_LOCAL || $project_info->type == LOCALE_TRANSLATION_REMOTE) {
              $available_updates[$langcode] = $languages[$langcode]->name;
            }
          }
        }

        if ($available_updates || $untranslated) {
          if ($available_updates) {
            $requirements['locale_translation'] = array(
              'title' => 'Translation update status',
              'value' => \Drupal::l(t('Updates available'), new Url('locale.translate_status')),
              'severity' => REQUIREMENT_WARNING,
              'description' => t('Updates available for: @languages. See the <a href="@updates">Available translation updates</a> page for more information.', array('@languages' => implode(', ', $available_updates), '@updates' => \Drupal::url('locale.translate_status'))),
            );
          }
          else {
            $requirements['locale_translation'] = array(
              'title' => 'Translation update status',
              'value' => t('Missing translations'),
              'severity' => REQUIREMENT_INFO,
              'description' => t('Missing translations for: @languages. See the <a href="@updates">Available translation updates</a> page for more information.', array('@languages' => implode(', ', $untranslated), '@updates' => \Drupal::url('locale.translate_status'))),
            );
          }
        }
        else {
          $requirements['locale_translation'] = array(
            'title' => 'Translation update status',
            'value' => t('Up to date'),
            'severity' => REQUIREMENT_OK,
          );
        }
      }
      else {
        $requirements['locale_translation'] = array(
          'title' => 'Translation update status',
          'value' => \Drupal::l(t('Can not determine status'), new Url('locale.translate_status')),
          'severity' => REQUIREMENT_WARNING,
          'description' => t('No translation status is available. See the <a href="@updates">Available translation updates</a> page for more information.', array('@updates' => \Drupal::url('locale.translate_status'))),
        );
      }
    }
  }
  return $requirements;
}