CalDavSynchronizer.ProfileExportProcessor.PrepareForImport C# (CSharp) Метод

    private void PrepareForImport(Options[] options, Action<string> logger)
    {
      var folderIdsByName = new Dictionary<string, List<Tuple<string, string>>>();
      AddFoldersRecusive(_session.Folders, folderIdsByName);

      foreach (var profile in options)
      {
        var ids = folderIdsByName.GetOrAdd(profile.OutlookFolderEntryId).FirstOrDefault();
        if (ids != null)
        {
          profile.OutlookFolderEntryId = ids.Item1;
          profile.OutlookFolderStoreId = ids.Item2;

          profile.OutlookFolderAccountName = _optionTasks.GetFolderAccountNameOrNull(profile.OutlookFolderStoreId);
        }
        else
        {
          logger($"Warning: did not find Folder '{profile.OutlookFolderEntryId}'");
          profile.OutlookFolderEntryId = null;
          profile.OutlookFolderStoreId = null;
          profile.OutlookFolderAccountName = null;
        }
      }
    }