inverted appointment order, implemented loading by date range

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

de.srsoftware.cal.web/src/main/java/de/srsoftware/cal/ApiEndpoint.java

@@ -147,7 +147,10 @@ public class ApiEndpoint extends PathHandler {
 			return HttpError.of(400,"Count (count=%s) is not a number!", o);
 		}
 
-		return db.list(startDate, null, count, offset).map(res -> filterByTags(res, tags));
+		Result<LocalDateTime> end = parseDate(param.get(END));
+		var     endDate = (end == null) ? null: end.optional().orElse(null);
+
+		return db.list(startDate, endDate, count, offset).map(res -> filterByTags(res, tags));
 	}
 
 	private Result<List<Appointment>> filterByTags(Result<List<Appointment>> res, List<String> tags) {

de.srsoftware.cal.web/src/main/resources/script/index.js

@@ -93,6 +93,7 @@ function fetchLastYear(){
 async function handleEvents(response){
     if (response.ok){
         var json = await response.json();
+        json.reverse();
         json.forEach(addRow);
         updateTagVisibility();
         if (highlight){