<?php

/**
 * @file
 *   Install file for l10n remote updates.
 */

/**
 * Implements hook_schema().
 */
function l10n_update_schema() {
  $schema['l10n_update_project'] = array(
    'description' => 'Update information for project translations.',
    'fields' => array(
      'name' => array(
        'description' => 'A unique short name to identify the project.',
        'type' => 'varchar',
        'length' => '50',
        'not null' => TRUE,
      ),
      'project_type' => array(
        'description' => 'Project type, may be core, module, theme',
        'type' => 'varchar',
        'length' => '50',
        'not null' => TRUE,
      ),
      'core' => array(
        'description' => 'Core compatibility string for this project.',
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
        'default' => '',
      ),
      'version' => array(
        'description' => 'Human readable name for project used on the interface.',
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
        'default' => '',
      ),
      'l10n_server' => array(
        'description' => 'Localization server for this project.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
        'default' => '',
      ),
      'l10n_path' => array(
        'description' => 'Server path this project updates.',
        'type' => 'varchar',
        'length' => '255',
        'not null' => TRUE,
        'default' => '',
      ),
      'status' => array(
        'description' => 'Status flag. If TRUE, translations of this module will be updated.',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 1,
      ),
    ),
    'primary key' => array('name'),
  );

  $schema['l10n_update_file'] = array(
    'description' => 'File and download information for project translations.',
    'fields' => array(
      'project' => array(
        'description' => 'A unique short name to identify the project.',
        'type' => 'varchar',
        'length' => '50',
        'not null' => TRUE,
      ),
      'language' => array(
        'description' => 'Reference to the {languages}.language for this translation.',
        'type' => 'varchar',
        'length' => '12',
        'not null' => TRUE,
      ),
      'type' => array(
        'description' => 'File origin: download or localfile',
        'type' => 'varchar',
        'length' => '50',
        'not null' => TRUE,
        'default' => '',
      ),
      'filename' => array(
        'description' => 'Link to translation file for download.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'fileurl' => array(
        'description' => 'Link to translation file for download.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'uri' => array(
        'description' => 'File system path for importing the file.',
        'type' => 'varchar',
        'length' => 255,
        'not null' => TRUE,
        'default' => '',
      ),
      'timestamp' => array(
        'description' => 'Unix timestamp of the time the file was downloaded or saved to disk. Zero if not yet downloaded',
        'type' => 'int',
        'not null' => FALSE,
        'disp-width' => '11',
        'default' => 0,
      ),
      'version' => array(
        'description' => 'Version tag of the downloaded file.',
        'type' => 'varchar',
        'length' => '128',
        'not null' => TRUE,
        'default' => '',
      ),
      'status' => array(
        'description' => 'Status flag. TBD',
        'type' => 'int',
        'not null' => TRUE,
        'default' => 1,
      ),
      'last_checked' => array(
        'description' => 'Unix timestamp of the last time this translation was downloaded from or checked at remote server and confirmed to be the most recent release available.',
        'type' => 'int',
        'not null' => FALSE,
        'disp-width' => '11',
        'default' => 0,
      ),
    ),
    'primary key' => array('project', 'language'),
  );

  $schema['cache_l10n_update'] = drupal_get_schema_unprocessed('system', 'cache');
  $schema['cache_l10n_update']['description'] = 'Cache table for the Localization Update module to store information about available releases, fetched from central server.';

  return $schema;
}

/**
 * Implements hook_schema_alter().
 */
function l10n_update_schema_alter(&$schema) {
  $schema['locales_target']['fields']['l10n_status'] = array(
    'type' => 'int',
    'not null' => TRUE,
    'default' => 0,
    'description' => 'Boolean indicating whether the translation is custom to this site.',
  );
}

/**
 * Implements hook_install().
 */
function l10n_update_install() {
  db_add_field('locales_target', 'l10n_status', array('type' => 'int', 'not null' => TRUE, 'default' => 0));
  variable_set('l10n_update_rebuild_projects', 1);

  // Create the translation directory. We try different alternative paths as the
  // default may not always be writable.
  $directories = array(
    variable_get('l10n_update_download_store', L10N_UPDATE_DEFAULT_TRANSLATION_PATH),
    variable_get('file_public_path', conf_path() . '/files') . '/translations',
    'sites/default/files/translations',
  );
  foreach ($directories as $directory) {
    if (file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
      variable_set('l10n_update_download_store', $directory);
      return;
    }
  }
  watchdog('l10n_update', 'The directory %directory does not exist or is not writable.', array('%directory' => $directories[0]), WATCHDOG_ERROR);
  drupal_set_message(t('The directory %directory does not exist or is not writable.', array('%directory' => $directories[0])), 'error');
}

/**
 * Implements hook_uninstall().
 */
function l10n_update_uninstall() {
  db_drop_field('locales_target', 'l10n_status');

  variable_del('l10n_update_check_disabled');
  variable_del('l10n_update_default_filename');
  variable_del('l10n_update_default_update_url');
  variable_del('l10n_update_import_enabled');
  variable_del('l10n_update_import_mode');
  variable_del('l10n_update_check_frequency');
  variable_del('l10n_update_last_check');
  variable_del('l10n_update_download_store');
  variable_del('l10n_update_translation_status');
  variable_del('l10n_update_check_mode');}

/**
 * Implements hook_requirements().
 */
function l10n_update_requirements($phase) {
  $requirements = array();
  if ($phase == 'runtime') {
    $available_updates = array();
    $untranslated = array();
    $languages = l10n_update_translatable_language_list();

    if ($languages) {
      // Determine the status of the translation updates per language.
      $status = l10n_update_get_status();
      if ($status) {
        foreach ($status as $project) {
          foreach ($project as $langcode => $project_info) {
            if (empty($project_info->type)) {
              $untranslated[$langcode] = $languages[$langcode];
            }
            elseif ($project_info->type == L10N_UPDATE_LOCAL || $project_info->type == L10N_UPDATE_REMOTE) {
              $available_updates[$langcode] = $languages[$langcode];
            }
          }
        }

        if ($available_updates || $untranslated) {
          if ($available_updates) {
            $requirements['l10n_update'] = array(
              'title' => 'Translation update status',
              'value' => l(t('Updates available'), 'admin/config/regional/translate/update'),
              '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' => url('admin/config/regional/translate/update'))),
            );
          }
          else {
            $requirements['l10n_update'] = 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' => url('admin/config/regional/translate/update'))),
            );
          }
        }
        else {
          $requirements['l10n_update'] = array(
            'title' => 'Translation update status',
            'value' => t('Up to date'),
            'severity' => REQUIREMENT_OK,
          );
        }
      }
      else {
        $requirements['locale_translation'] = array(
          'title' => 'Translation update status',
          'value' => l(t('Can not determine status'), 'admin/config/regional/translate/update'),
          'severity' => REQUIREMENT_WARNING,
          'description' => t('No translation status is available. See the <a href="!updates">Available translation updates</a> page for more information.', array('!updates' => url('admin/config/regional/translate/update'))),
        );
      }
    }
  }
  if ($phase == 'update') {
    // Make sure the 'translations' stream wrapper class gets registered.
    // This is needed when upgrading to 7.x-2.x.
    if (!class_exists('TranslationsStreamWrapper')) {
      registry_rebuild();
    }
  }
  return $requirements;
}

/**
 * Rename filepath to uri in {l10n_update_file} table.
 */
function l10n_update_update_7001() {
  // Only do this update if the field exists from D6.
  // If it doesn't, we've got a pure D7 site that doesn't need it.
  if (db_field_exists('l10n_update_file', 'filepath')) {
    db_change_field('l10n_update_file', 'filepath', 'uri', array(
      'description' => 'File system path for importing the file.',
      'type' => 'varchar',
      'length' => 255,
      'not null' => TRUE,
      'default' => '',
    ));
  }
}

/**
 * Delete 'last_updated' field from {l10n_update_file} table.
 */
function l10n_update_update_7002() {
  db_drop_field('l10n_update_file', 'last_updated');
}

/**
 * Delete 'import_date' field from {l10n_update_file} table.
 */
function l10n_update_update_7003() {
  db_drop_field('l10n_update_file', 'import_date');
}

/**
 * Create {cache_l10n_update} table.
 */
function l10n_update_update_7004() {
  if (!db_table_exists('cache_l10n_update')) {
    $schema = drupal_get_schema_unprocessed('system', 'cache');
    $schema['description'] = 'Cache table for the Localization Update module to store information about available releases, fetched from central server.';
    db_create_table('cache_l10n_update', $schema);
  }
}

/**
 * Migration to 7.x-2.x branch.
 */
function l10n_update_update_7200() {
  // Make sure the 'translations' stream wrapper class gets registered.
  if (!class_exists('TranslationsStreamWrapper')) {
    registry_rebuild();
  }

  if (!variable_get('l10n_update_download_store', '')) {
    variable_set('l10n_update_download_store', 'sites/all/translations');
  }
  // Create the translation directory. We try different alternative paths as the
  // default may not always be writable.
  $directories = array(
    variable_get('l10n_update_download_store', L10N_UPDATE_DEFAULT_TRANSLATION_PATH),
    variable_get('file_public_path', conf_path() . '/files') . '/translations',
    'sites/default/files/translations',
  );
  foreach ($directories as $directory) {
    if (file_prepare_directory($directory, FILE_CREATE_DIRECTORY | FILE_MODIFY_PERMISSIONS)) {
      variable_set('l10n_update_download_store', $directory);
      return;
    }
  }
  watchdog('l10n_update', 'The directory %directory does not exist or is not writable.', array('%directory' => $directories[0]), WATCHDOG_ERROR);
  drupal_set_message(t('The directory %directory does not exist or is not writable.', array('%directory' => $directories[0])), 'error');

  // Translation source 'Remote server only' is no longer supported. Use 'Remote
  // and local' instead.
  $mode = variable_get('l10n_update_check_mode', 3); // L10N_UPDATE_USE_SOURCE_REMOTE_AND_LOCAL
  if ($mode == 1) {
    variable_set('l10n_update_check_mode', 3); // L10N_UPDATE_USE_SOURCE_REMOTE_AND_LOCAL
  }

  // Daily cron updates are no longer supported. Use weekly instead.
  $frequency = variable_get('l10n_update_check_frequency', '0');
  if ($frequency == '1') {
    variable_set('l10n_update_check_frequency', '7');
  }

  // Clean up deprecated variables.
  variable_del('l10n_update_default_server');
  variable_del('l10n_update_default_server_url');
  variable_del('l10n_update_rebuild_projects');
}

/**
 * Sets the default translation files directory.
 */
function l10n_update_update_7201() {
  if (!variable_get('l10n_update_download_store', '')) {
   variable_set('l10n_update_download_store', 'sites/all/translations');
  }
}