private static void ConvertPost(SiteUris uris, XmlReader r, SequentialTurtleWriter w, UnknownValueStore <string> unknownPostTypeIds)
{
Uri subjectUri;
if (r.MoveToAttribute("Id"))
{
subjectUri = uris.CreatePostUri(r.Value);
w.StartTriple(subjectUri);
}
else
{
r.MoveToElement();
ConsoleHelper.WriteErrorLine("No Id attribute found on element {0}. Skipping element.", r.ReadOuterXml());
return;
}
if (r.MoveToAttribute("PostTypeId"))
{
switch (r.Value)
{
case "1": // question
w.AddToTriple(uris.GeneralUris.TypeProperty, uris.GeneralUris.QuestionType);
uris.LinkToSite(w);
if (r.MoveToAttribute("AcceptedAnswerId"))
{
w.AddToTriple(uris.GeneralUris.AcceptedAnswerProperty, uris.CreatePostUri(r.Value));
}
if (r.MoveToAttribute("ViewCount"))
{
w.AddToTriple(uris.GeneralUris.ViewCountProperty, long.Parse(r.Value));
}
if (r.MoveToAttribute("Title"))
{
w.AddToTriple(uris.GeneralUris.TitleProperty, r.Value);
w.AddToTriple(uris.GeneralUris.LabelProperty, r.Value);
}
if (r.MoveToAttribute("Score"))
{
w.AddToTriple(uris.GeneralUris.ScoreProperty, long.Parse(r.Value));
}
break;
case "2": // answer
w.AddToTriple(uris.GeneralUris.TypeProperty, uris.GeneralUris.AnswerType);
uris.LinkToSite(w);
if (r.MoveToAttribute("ParentId"))
{
w.StartTriple(uris.CreatePostUri(r.Value));
w.AddToTriple(uris.GeneralUris.AnswerProperty, subjectUri);
w.StartTriple(subjectUri);
}
else
{
ConsoleHelper.WriteWarningLine("Orphaned answer: {0}", subjectUri);
}
if (r.MoveToAttribute("Score"))
{
w.AddToTriple(uris.GeneralUris.ScoreProperty, long.Parse(r.Value));
}
break;
case "3": // orphaned tag wiki
break;
case "4": // tag info excerpt
w.AddToTriple(uris.GeneralUris.TypeProperty, uris.GeneralUris.TagExcerptType);
break;
case "5": // tag description
w.AddToTriple(uris.GeneralUris.TypeProperty, uris.GeneralUris.TagDescriptionType);
break;
case "6": // moderator nomination
break;
case "7": // "Wiki placeholder" (seems to only be the election description)
//w.AddToTriple(uris.GeneralUris.TypeProperty, uris.GeneralUris.SiteInfoType);
break;
default:
unknownPostTypeIds.RegisterUnknownValue(r.Value);
break;
}
if (r.MoveToAttribute("CreationDate"))
{
w.AddToTriple(uris.GeneralUris.DateProperty, DateTime.Parse(r.Value, System.Globalization.CultureInfo.InvariantCulture));
}
if (r.MoveToAttribute("LastEditDate"))
{
w.AddToTriple(uris.GeneralUris.LastEditDateProperty, DateTime.Parse(r.Value, System.Globalization.CultureInfo.InvariantCulture));
}
if (r.MoveToAttribute("LastActivity"))
{
w.AddToTriple(uris.GeneralUris.LastActivityDateProperty, DateTime.Parse(r.Value, System.Globalization.CultureInfo.InvariantCulture));
}
if (r.MoveToAttribute("OwnerUserId"))
{
w.AddToTriple(uris.GeneralUris.OwnerProperty, uris.CreateUserUri(r.Value));
}
// TODO: LastEditorUserId (given in post history)
// TODO: FavoriteCount (linked to users?)
if (r.MoveToAttribute("Body"))
{
w.AddToTriple(uris.GeneralUris.DescriptionProperty, r.Value);
}
if (r.MoveToAttribute("Tags"))
{
w.AddToTriple(uris.GeneralUris.TagProperty,
tagRegex.Matches(r.Value).Cast <Match>().Select(m => uris.CreateTagUri(m.Groups[1].Value)));
}
}
else
{
r.MoveToElement();
ConsoleHelper.WriteErrorLine("No PostTypeId attribute found on element {0}. Skipping element.", r.ReadOuterXml());
}
}