Method RunCountriesCheckAsync

libs/storage/storage.cpp:1325–1362

@todo(pastk): cleanup unused functions

/// @todo(pastk): cleanup unused functions
void Storage::RunCountriesCheckAsync()
{
  m_downloader->DownloadAsString(SERVER_MAPS_FILE, [this](std::string const & buffer)
  {
    LOG(LDEBUG, (SERVER_MAPS_FILE, "downloaded"));

    int64_t const dataVersion = ParseIndexAndGetDataVersion(buffer);
    if (dataVersion <= m_currentVersion)
      return false;

    LOG(LDEBUG, ("Try download", COUNTRIES_FILE, "for", dataVersion));

    m_downloader->DownloadAsString(downloader::GetFileDownloadUrl(COUNTRIES_FILE, dataVersion),
                                   [this, dataVersion](std::string const & buffer)
    {
      LOG(LDEBUG, (COUNTRIES_FILE, "downloaded"));

      std::shared_ptr<Storage> storage(new Storage(7 /* dummy */));
      storage->m_currentVersion =
          LoadCountriesFromBuffer(buffer, storage->m_countries, storage->m_affiliations, storage->m_countryNameSynonyms,
                                  storage->m_mwmTopCityGeoIds, storage->m_mwmTopCountryGeoIds, storage->m_mapSeries);
      if (storage->m_currentVersion > 0)
      {
        LOG(LDEBUG, ("Apply new version", storage->m_currentVersion, dataVersion));
        ASSERT_EQUAL(storage->m_currentVersion, dataVersion, ());

        /// @todo Or use simple but reliable strategy: download new file and ask to restart the app?
        GetPlatform().RunTask(Platform::Thread::Gui,
                              [this, storage, buffer = std::move(buffer)]() { ApplyCountries(buffer, *storage); });
      }

      return false;
    }, true /* force reset */);

    // True when new download was requested.
    return true;
  }, false /* force reset */);
}

int64_t Storage::ParseIndexAndGetDataVersion(std::string const & index) const
{