working on management of poll weights

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

poll/src/main/java/de/srsoftware/umbrella/poll/PollModule.java

@@ -137,8 +137,15 @@ public class PollModule extends BaseHandler implements PollService {
 	}
 
 	private boolean patchWeights(HttpExchange ex, Poll poll) throws IOException {
-		// TODO
-		return notFound(ex);
+		var json = json(ex);
+		for (var key : json.keySet()) try {
+			var weight = Integer.parseInt(key);
+			if (!(json.get(key) instanceof String description)) throw invalidField(Field.DESCRIPTION,Text.STRING);
+			poll.setWeight(weight,description);
+		} catch (NumberFormatException nfe) {
+			throw invalidField(Text.WEIGHT,Text.NUMBER);
+		}
+		return sendContent(ex,pollDb.save(poll));
 	}
 
 	private boolean patchPollOptions(HttpExchange ex, Path path, Poll poll) throws IOException {

poll/src/main/java/de/srsoftware/umbrella/poll/SqliteDb.java

@@ -112,7 +112,7 @@ public class SqliteDb extends BaseDb implements PollDb {
 
 	private void dropWeight(Poll poll, int weight){
 		try {
-			delete().from(TABLE_WEIGHTS).where(POLL_ID, equal(poll.id())).where(ID, equal(weight)).execute(db);
+			delete().from(TABLE_WEIGHTS).where(POLL_ID, equal(poll.id())).where(WEIGHT, equal(weight)).execute(db);
 			poll.weights().remove(weight);
 		} catch (SQLException e){
 			throw failedToDropObject(Text.WEIGHT);