implemented editing of notes

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

notes/src/main/java/de/srsoftware/umbrella/notes/NoteModule.java

@@ -89,6 +89,28 @@ public class NoteModule extends BaseHandler implements NoteService {
 		return sendEmptyResponse(HTTP_OK,ex);
 	}
 
+	@Override
+	public boolean doPatch(Path path, HttpExchange ex) throws IOException {
+		addCors(ex);
+		try {
+			Optional<Token> token = SessionToken.from(ex).map(Token::of);
+			var user = users.loadUser(token);
+			if (user.isEmpty()) return unauthorized(ex);
+			var head = path.pop();
+			long noteId = Long.parseLong(head);
+			String text = body(ex);
+			if (text.isBlank()) throw missingFieldException("Note text");
+			var note = notesDb.load(noteId);
+			note = new Note(note.id(),note.module(),note.entityId(),note.authorId(),text,LocalDateTime.now());
+			note = save(note);
+			return sendContent(ex,note);
+		} catch (NumberFormatException e) {
+			return sendContent(ex, HTTP_UNPROCESSABLE, "Entity id missing in path.");
+		} catch (UmbrellaException e){
+			return send(ex,e);
+		}
+	}
+
 	@Override
 	public boolean doPost(Path path, HttpExchange ex) throws IOException {
 		addCors(ex);

notes/src/main/java/de/srsoftware/umbrella/notes/NotesDb.java

@@ -12,5 +12,7 @@ public interface NotesDb {
 
 	Map<Long, Note> list(String module, long entityId);
 
+	Note load(long noteId);
+
 	Note save(Note note);
 }

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

@@ -129,11 +129,24 @@ CREATE TABLE IF NOT EXISTS "{0}" (
 		}
 	}
 
+	@Override
+	public Note load(long noteId) {
+		try {
+			Note note = null;
+			var rs = select(ALL).from(TABLE_NOTES).where(ID,equal(noteId)).exec(db);
+			if (rs.next()) note = Note.of(rs);
+			rs.close();
+			return note;
+		} catch (SQLException e) {
+			throw new UmbrellaException("Failed to load note {0}",noteId);
+		}
+	}
+
 	@Override
 	public Note save(Note note) {
 		try {
 			if (note.id() == 0) {
-				var rs = replaceInto(TABLE_NOTES, USER_ID, MODULE, ENTITY_ID, NOTE, TIMESTAMP)
+				var rs = insertInto(TABLE_NOTES, USER_ID, MODULE, ENTITY_ID, NOTE, TIMESTAMP)
 						.values(note.authorId(), note.module(), note.entityId(), note.text(), note.timestamp().toEpochSecond(UTC))
 						.execute(db)
 						.getGeneratedKeys();
@@ -141,10 +154,13 @@ CREATE TABLE IF NOT EXISTS "{0}" (
 				if (rs.next()) id = rs.getLong(1);
 				rs.close();
 				if (id != 0) return new Note(id,note.module(),note.entityId(),note.authorId(),note.text(),note.timestamp());
-				return note;
 			} else {
-				throw new RuntimeException("note.update not implemented");
+				replaceInto(TABLE_NOTES, ID, USER_ID, MODULE, ENTITY_ID, NOTE, TIMESTAMP)
+						.values(note.id(), note.authorId(), note.module(), note.entityId(), note.text(), note.timestamp().toEpochSecond(UTC))
+						.execute(db).close();
+
 			}
+			return note;
 		} catch (SQLException e){
 			throw new UmbrellaException("Failed to save note: {0}",note.text());
 		}