locale.install in Drupal 9

Install, update, and uninstall functions for the Locale module.

File

core/modules/locale/locale.install

<?php

/**
 * @file
 * Install, update, and uninstall functions for the Locale module.
 */
use Drupal\Core\File\Exception\FileException;
use Drupal\Core\File\FileSystemInterface;
use Drupal\Core\Link;
use Drupal\Core\Url;

/**
 * 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'))) {
    $site_path = \Drupal::getContainer()
      ->getParameter('site.path');
    $directory = $site_path . '/files/translations';
    \Drupal::configFactory()
      ->getEditable('locale.settings')
      ->set('translation.path', $directory)
      ->save();
  }
  \Drupal::service('file_system')
    ->prepareDirectory($directory, FileSystemInterface::CREATE_DIRECTORY | FileSystemInterface::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', []);

    /** @var \Drupal\Core\File\FileSystemInterface $file_system */
    $file_system = \Drupal::service('file_system');
    foreach ($locale_javascripts as $langcode => $file_suffix) {
      if (!empty($file_suffix)) {
        try {
          $file_system
            ->delete($locale_js_directory . '/' . $langcode . '_' . $file_suffix . '.js');
        } catch (FileException $e) {

          // Ignore and continue.
        }
      }
    }

    // Delete the JavaScript translations directory if empty.
    if (is_dir($locale_js_directory)) {
      if (!$file_system
        ->scanDirectory($locale_js_directory, '/.*/')) {
        $file_system
          ->rmdir($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'] = [
    'description' => 'List of English source strings.',
    'fields' => [
      'lid' => [
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Unique identifier of this string.',
      ],
      'source' => [
        'type' => 'text',
        'mysql_type' => 'blob',
        'not null' => TRUE,
        'description' => 'The original string in English.',
      ],
      'context' => [
        'type' => 'varchar_ascii',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The context this string applies to.',
      ],
      'version' => [
        'type' => 'varchar_ascii',
        'length' => 20,
        'not null' => TRUE,
        'default' => 'none',
        'description' => 'Version of Drupal where the string was last used (for locales optimization).',
      ],
    ],
    'primary key' => [
      'lid',
    ],
    'indexes' => [
      'source_context' => [
        [
          'source',
          30,
        ],
        'context',
      ],
    ],
  ];
  $schema['locales_target'] = [
    'description' => 'Stores translated versions of strings.',
    'fields' => [
      'lid' => [
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'Source string ID. References {locales_source}.lid.',
      ],
      'translation' => [
        'type' => 'text',
        'mysql_type' => 'blob',
        'not null' => TRUE,
        'description' => 'Translation string value in this language.',
      ],
      'language' => [
        'type' => 'varchar_ascii',
        'length' => 12,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Language code. References {language}.langcode.',
      ],
      'customized' => [
        'type' => 'int',
        'not null' => TRUE,
        // LOCALE_NOT_CUSTOMIZED
        'default' => 0,
        'description' => 'Boolean indicating whether the translation is custom to this site.',
      ],
    ],
    'primary key' => [
      'language',
      'lid',
    ],
    'foreign keys' => [
      'locales_source' => [
        'table' => 'locales_source',
        'columns' => [
          'lid' => 'lid',
        ],
      ],
    ],
    'indexes' => [
      'lid' => [
        'lid',
      ],
    ],
  ];
  $schema['locales_location'] = [
    'description' => 'Location information for source strings.',
    'fields' => [
      'lid' => [
        'type' => 'serial',
        'not null' => TRUE,
        'description' => 'Unique identifier of this location.',
      ],
      'sid' => [
        'type' => 'int',
        'not null' => TRUE,
        'description' => 'Unique identifier of this string.',
      ],
      'type' => [
        'type' => 'varchar_ascii',
        'length' => 50,
        'not null' => TRUE,
        'default' => '',
        'description' => 'The location type (file, config, path, etc).',
      ],
      'name' => [
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Type dependent location information (file name, path, etc).',
      ],
      'version' => [
        'type' => 'varchar_ascii',
        'length' => 20,
        'not null' => TRUE,
        'default' => 'none',
        'description' => 'Version of Drupal where the location was found.',
      ],
    ],
    'primary key' => [
      'lid',
    ],
    'foreign keys' => [
      'locales_source' => [
        'table' => 'locales_source',
        'columns' => [
          'sid' => 'lid',
        ],
      ],
    ],
    'indexes' => [
      'string_type' => [
        'sid',
        'type',
      ],
    ],
  ];
  $schema['locale_file'] = [
    'description' => 'File import status information for interface translation files.',
    'fields' => [
      'project' => [
        'type' => 'varchar_ascii',
        'length' => '255',
        'not null' => TRUE,
        'default' => '',
        'description' => 'A unique short name to identify the project the file belongs to.',
      ],
      'langcode' => [
        'type' => 'varchar_ascii',
        'length' => '12',
        'not null' => TRUE,
        'default' => '',
        'description' => 'Language code of this translation. References {language}.langcode.',
      ],
      'filename' => [
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'Filename of the imported file.',
      ],
      'version' => [
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
        'default' => '',
        'description' => 'Version tag of the imported file.',
      ],
      'uri' => [
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
        'description' => 'URI of the remote file, the resulting local file or the locally imported file.',
      ],
      'timestamp' => [
        'type' => 'int',
        'not null' => FALSE,
        'default' => 0,
        'description' => 'Unix timestamp of the imported file.',
      ],
      'last_checked' => [
        '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' => [
      'project',
      'langcode',
    ],
  ];
  return $schema;
}

/**
 * Implements hook_requirements().
 */
function locale_requirements($phase) {
  $requirements = [];
  if ($phase == 'runtime') {
    $available_updates = [];
    $untranslated = [];
    $languages = locale_translatable_language_list();
    if ($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]
                ->getName();
            }
            elseif ($project_info->type == LOCALE_TRANSLATION_LOCAL || $project_info->type == LOCALE_TRANSLATION_REMOTE) {
              $available_updates[$langcode] = $languages[$langcode]
                ->getName();
            }
          }
        }
        if ($available_updates || $untranslated) {
          if ($available_updates) {
            $requirements['locale_translation'] = [
              'title' => t('Translation update status'),
              'value' => Link::fromTextAndUrl(t('Updates available'), Url::fromRoute('locale.translate_status'))
                ->toString(),
              'severity' => REQUIREMENT_WARNING,
              'description' => t('Updates available for: @languages. See the <a href=":updates">Available translation updates</a> page for more information.', [
                '@languages' => implode(', ', $available_updates),
                ':updates' => Url::fromRoute('locale.translate_status')
                  ->toString(),
              ]),
            ];
          }
          else {
            $requirements['locale_translation'] = [
              'title' => t('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.', [
                '@languages' => implode(', ', $untranslated),
                ':updates' => Url::fromRoute('locale.translate_status')
                  ->toString(),
              ]),
            ];
          }
        }
        else {
          $requirements['locale_translation'] = [
            'title' => t('Translation update status'),
            'value' => t('Up to date'),
            'severity' => REQUIREMENT_OK,
          ];
        }
      }
      else {
        $requirements['locale_translation'] = [
          'title' => t('Translation update status'),
          'value' => Link::fromTextAndUrl(t('Can not determine status'), Url::fromRoute('locale.translate_status'))
            ->toString(),
          'severity' => REQUIREMENT_WARNING,
          'description' => t('No translation status is available. See the <a href=":updates">Available translation updates</a> page for more information.', [
            ':updates' => Url::fromRoute('locale.translate_status')
              ->toString(),
          ]),
        ];
      }
    }
  }
  return $requirements;
}

/**
 * Delete an unnecessary index on the locales_location table.
 */
function locale_update_9101() {
  $schema = \Drupal::database()
    ->schema();
  $table = 'locales_location';
  if ($schema
    ->indexExists($table, 'string_id')) {
    $schema
      ->dropIndex($table, 'string_id');
  }
}

/**
 * Implements hook_update_last_removed().
 */
function locale_update_last_removed() {
  return 8800;
}

Functions

Name	Description
locale_install	Implements hook_install().
locale_requirements	Implements hook_requirements().
locale_schema	Implements hook_schema().
locale_uninstall	Implements hook_uninstall().
locale_update_9101	Delete an unnecessary index on the locales_location table.
locale_update_last_removed	Implements hook_update_last_removed().