#22

Enabled Webuntis Holiday query
Implemented Holiday view in Timetable
Hide other special time regions like breaks when shown in holiday

lib/view/pages/talk/chatView.dart

@@ -1,6 +1,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:loader_overlay/loader_overlay.dart';
+import 'package:marianum_mobile/extensions/dateTime.dart';
 import 'package:provider/provider.dart';
 
 import '../../../api/marianumcloud/talk/chat/getChatResponse.dart';
@@ -39,10 +40,6 @@ class _ChatViewState extends State<ChatView> {
     Provider.of<ChatProps>(context, listen: false).setQueryToken(widget.room.token);
   }
 
-  bool isSameDay(DateTime date1, DateTime date2) {
-    return date1.year == date2.year && date1.month == date2.month && date1.day == date2.day;
-  }
-
   @override
   Widget build(BuildContext context) {
     return Consumer<ChatProps>(
@@ -57,7 +54,7 @@ class _ChatViewState extends State<ChatView> {
 
             if(element.systemMessage.contains("reaction")) return;
 
-            if(!isSameDay(elementDate, lastDate)) {
+            if(!elementDate.isSameDay(lastDate)) {
               lastDate = elementDate;
               messages.add(ChatBubble(
                 context: context,