GndTnTask.java

package mediawiki.task;

import java.net.URLEncoder;
import java.util.Collections;
import java.util.List;

import mediawiki.MediaWikiConnection;
import mediawiki.MediaWikiTask;
import mediawiki.WikidataQuery;
import mediawiki.info.wikibase.Claim;
import mediawiki.info.wikibase.Property;
import mediawiki.info.wikibase.Statement;
import mediawiki.info.wikibase.snaks.ItemSnak;
import mediawiki.request.EditRequest;
import mediawiki.request.wikibase.GetSpecificStatementRequest;
import mediawiki.request.wikibase.RemoveStatementRequest;
import datasets.in.GND;
import datasets.in.MARC;

public class GndTnTask extends MediaWikiTask {

	private String log;
	
	public GndTnTask(MediaWikiConnection con, String log) {
		super(con);
		this.log = log;
	}

	@Override
	public void run() {
		WikidataQuery n = new WikidataQuery("CLAIM[31:5] AND CLAIM[227]");
		
		List<Integer> i;
		try {
			StringBuffer bf = new StringBuffer();
			bf.append("== List ==\n");
			i = n.request();
			Collections.reverse(i);
			
			for(Integer b : i) {
				try{
					List<Statement> s = getConnection().request(new GetSpecificStatementRequest("Q"+b, new Property(227)));
					if(s.size() != 1)
						continue;
					Statement st = s.get(0);
					String gnd = (String) st.getClaim().getSnak().getValue();
					MARC m = GND.getMARCEntry(gnd);
					String typ = m.getSubfield("079", 0, "b", 0);
					System.out.println("Q"+b+"\t"+gnd+"\t"+typ);
					
					if(typ.equals("n")) {
						if(st.hasReference(new Claim(new Property(143), new ItemSnak(54919)))){
							getConnection().requestConcurrently(new RemoveStatementRequest(st, "remove type Tn = placeholder (see [[Property talk:P227#Usage note]])"));
							System.out.println("removed");
						}else{
							bf.append("# [[Q"+b+"]]: [http://d-nb.info/gnd/"+URLEncoder.encode(gnd,"UTF-8")+" "+gnd+"]\n");
						}
					}
				}catch(Exception e) {
					e.printStackTrace();
				}
			}
			
			EditRequest er = new EditRequest(log, bf.toString(), "refresh");
			er.setProperty("section", 1);
			getConnection().request(er);
		} catch (Exception e1) {
			e1.printStackTrace();
		}
	}

}