static private void ExportCommentsMeta(Journal.OptionsRow or, ILJServer iLJ, SessionGenerateResponse sgr,
ref int serverMaxID, int localMaxID, UserMapCollection umc, CommentCollection cc)
{
// this is a an unfortunately necessary step
// we call export comments meta is to get the user map and to check if comment state has changed
// it would be better to be able to provide a lastsync, but alas
// see http://www.livejournal.com/developer/exporting.bml for more info
int maxID = -1;
while (maxID < serverMaxID)
{
Uri uri = new Uri(new Uri(or.ServerURL), string.Format(_exportcommentsmetapath, maxID + 1));
if (!or.IsUseJournalNull())
{
uri = new Uri(uri.AbsoluteUri + string.Format("&authas={0}", or.UseJournal));
}
HttpWebRequest w = HttpWebRequestFactory.Create(uri.AbsoluteUri, sgr.ljsession);
using (Stream s = w.GetResponse().GetResponseStream())
{
XmlTextReader xtr = new XmlTextReader(s);
while (xtr.Read())
{
if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "usermap")
{
string id = xtr.GetAttribute("id");
string user = xtr.GetAttribute("user");
if (id != null && user != null && !umc.ContainsID(XmlConvert.ToInt32(id)))
{
umc.Add(new UserMap(XmlConvert.ToInt32(id), user));
}
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "maxid")
{
xtr.Read();
serverMaxID = XmlConvert.ToInt32(xtr.Value);
socb(new SyncOperationEventArgs(SyncOperation.ExportCommentsMeta, Math.Max(maxID, 0), serverMaxID));
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "comment")
{
string id = xtr.GetAttribute("id");
string posterid = xtr.GetAttribute("posterid");
string state = xtr.GetAttribute("state");
if (posterid == null)
{
posterid = "0";
}
if (state == null)
{
state = "A";
}
if (id != null)
{
cc.Add(new Comment(XmlConvert.ToInt32(id), XmlConvert.ToInt32(posterid),
state, 0, 0, string.Empty, string.Empty, DateTime.MinValue));
}
}
else if (xtr.NodeType == XmlNodeType.Element && xtr.Name == "h2")
{
xtr.Read();
if (xtr.Value == "Error" && !or.IsUseJournalNull())
{
throw new ExpectedSyncException(ExpectedError.CommunityAccessDenied, null);
}
}
}
xtr.Close();
}
maxID = cc.GetMaxID();
}
}