Method GetNodeAttrs

libs/storage/storage.cpp:1916–2006

}

void Storage::GetNodeAttrs(CountryId const & countryId, NodeAttrs & nodeAttrs) const
{
  CHECK_THREAD_CHECKER(m_threadChecker, ());

  CountryTree::NodesBufferT nodes;
  m_countries.Find(countryId, nodes);
  CHECK(!nodes.empty(), (countryId));
  // If nodes.size() > 1 countryId corresponds to a disputed territories.
  // In that case it's guaranteed that most of attributes are equal for
  // each element of nodes. See Country class description for further details.
  CountryTree::Node const * const node = nodes[0];

  Country const & nodeValue = node->Value();
  nodeAttrs.m_mwmCounter = nodeValue.GetSubtreeMwmCounter();
  nodeAttrs.m_mwmSize = nodeValue.GetSubtreeMwmSizeBytes();
  StatusAndError statusAndErr = GetNodeStatus(*node);
  nodeAttrs.m_status = statusAndErr.status;
  nodeAttrs.m_error = statusAndErr.error;
  nodeAttrs.m_nodeLocalName = m_countryNameGetter(countryId);
  nodeAttrs.m_nodeLocalDescription = m_countryNameGetter.Get(countryId + LOCALIZATION_DESCRIPTION_SUFFIX);

  // Progress.
  if (nodeAttrs.m_status == NodeStatus::OnDisk)
  {
    // Group or leaf node is on disk and up to date.
    MwmSize const subTreeSizeBytes = node->Value().GetSubtreeMwmSizeBytes();
    nodeAttrs.m_downloadingProgress.m_bytesDownloaded = subTreeSizeBytes;
    nodeAttrs.m_downloadingProgress.m_bytesTotal = subTreeSizeBytes;
  }
  else
  {
    CountriesVec subtree;
    node->ForEachInSubtree([&subtree](CountryTree::Node const & d) { subtree.push_back(d.Value().Name()); });

    nodeAttrs.m_downloadingProgress = CalculateProgress(subtree);
  }

  // Local mwm information and information about downloading mwms.
  nodeAttrs.m_localMwmCounter = 0;
  nodeAttrs.m_localMwmSize = 0;
  nodeAttrs.m_downloadingMwmCounter = 0;
  nodeAttrs.m_downloadingMwmSize = 0;
  CountriesSet visitedLocalNodes;
  node->ForEachInSubtree([this, &nodeAttrs, &visitedLocalNodes](CountryTree::Node const & d)
  {
    CountryId const & countryId = d.Value().Name();
    if (!visitedLocalNodes.insert(countryId).second)
      return;

    // Downloading mwm information.
    StatusAndError const statusAndErr = GetNodeStatus(d);
    ASSERT_NOT_EQUAL(statusAndErr.status, NodeStatus::Undefined, ());
    if (statusAndErr.status != NodeStatus::NotDownloaded && statusAndErr.status != NodeStatus::Partly &&
        d.ChildrenCount() == 0)
    {
      nodeAttrs.m_downloadingMwmCounter += 1;
      nodeAttrs.m_downloadingMwmSize += d.Value().GetSubtreeMwmSizeBytes();
    }