code fixes, added isSameOrAfter for DateTime objects, added check for teacher room and status

lib/extensions/dateTime.dart

@@ -16,4 +16,15 @@ extension IsSameDay on DateTime {
   TimeOfDay toTimeOfDay() {
     return TimeOfDay(hour: hour, minute: minute);
   }
+
+  bool isSameDateTime(DateTime other) {
+    bool isSameDay = this.isSameDay(other);
+    bool isSameTimeOfDay = (toTimeOfDay() == other.toTimeOfDay());
+
+    return isSameDay && isSameTimeOfDay;
+  }
+
+  bool isSameOrAfter(DateTime other) {
+    return isSameDateTime(other) || isAfter(other);
+  }
 }

lib/view/pages/timetable/timetable.dart

@@ -246,9 +246,9 @@ class _TimetableState extends State<Timetable> {
 
   List<GetTimetableResponseObject> _removeDuplicates(TimetableProps data, Duration maxTimeBetweenDouble) {
 
-    List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList();
+    List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList( );
 
-    if(timetableList.isEmpty){ return timetableList; }
+    if ( timetableList.isEmpty ) return timetableList;
 
     timetableList.sort((a, b) => _parseWebuntisTimestamp(a.date, a.startTime).compareTo(_parseWebuntisTimestamp(b.date, b.startTime)));
 
@@ -256,15 +256,38 @@ class _TimetableState extends State<Timetable> {
     for (var i = 1; i < timetableList.length; i++) {
       GetTimetableResponseObject currentElement = timetableList.elementAt(i);
 
-      bool isSameSubject() => (currentElement.su.firstOrNull?.id ?? 1) == (previousElement.su.firstOrNull?.id ?? 2);
+      bool isSameLesson() {
-      bool isNotSeparated() => _parseWebuntisTimestamp(previousElement.date, previousElement.endTime).add(maxTimeBetweenDouble).add(const Duration(seconds: 1))
+        int? currentSubjectId = currentElement.su.firstOrNull?.id;
-          .isAfter(_parseWebuntisTimestamp(currentElement.date, currentElement.startTime));
+        int? previousSubjectId = previousElement.su.firstOrNull?.id;
 
-      if(isSameSubject() && isNotSeparated()){
+        if( currentSubjectId == null || previousSubjectId == null || currentSubjectId != previousSubjectId ) return false;
+
+        int? currentRoomId = currentElement.ro.firstOrNull?.id;
+        int? previousRoomId = previousElement.ro.firstOrNull?.id;
+
+        if( currentRoomId != previousRoomId ) return false;
+
+        int? currentTeacherId = currentElement.te.firstOrNull?.id;
+        int? previousTeacherId = previousElement.te.firstOrNull?.id;
+
+        if( currentTeacherId != previousTeacherId ) return false;
+
+        String? currentStatusCode = currentElement.code;
+        String? previousStatusCode = previousElement.code;
+
+        if( currentStatusCode != previousStatusCode ) return false;
+
+        return true;
+      }
+
+      bool isNotSeparated() =>  _parseWebuntisTimestamp( previousElement.date, previousElement.endTime ).add( maxTimeBetweenDouble )
+          .isSameOrAfter( _parseWebuntisTimestamp( currentElement.date, currentElement.startTime ) );
+
+      if ( isSameLesson() && isNotSeparated() ) {
         previousElement.endTime = currentElement.endTime;
-        timetableList.remove(currentElement);
+        timetableList.remove( currentElement );
         i--;
-      }else{
+      } else {
         previousElement = currentElement;
       }
     }
@@ -274,10 +297,10 @@ class _TimetableState extends State<Timetable> {
 
   TimetableEvents _buildTableEvents(TimetableProps data) {
 
-    List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList();
+    List<GetTimetableResponseObject> timetableList = data.getTimetableResponse.result.toList( );
 
-    if(settings.val().timetableSettings.connectDoubleLessons){
+    if( settings.val().timetableSettings.connectDoubleLessons ){
-      timetableList = _removeDuplicates(data, const Duration(minutes: 5));
+      timetableList = _removeDuplicates( data, const Duration(minutes: 5) );
     }
 
     List<Appointment> appointments = timetableList.map((element) {

lib/view/settings/settings.dart

@@ -8,6 +8,7 @@ import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../model/accountData.dart';
+import '../../model/timetable/timetableProps.dart';
 import '../../notification/notifyUpdater.dart';
 import '../../storage/base/settingsProvider.dart';
 import '../../theming/appTheme.dart';
@@ -100,11 +101,12 @@ class _SettingsState extends State<Settings> {
 
             ListTile(
               leading: const Icon(Icons.calendar_view_day_outlined),
-              title: const Text("Doppelstunden als eine Stunde anzeigen"),
+              title: const Text('Doppelstunden zusammenhängend anzeigen'),
               trailing: Checkbox(
                 value: settings.val().timetableSettings.connectDoubleLessons,
                 onChanged: (e) {
                   settings.val(write: true).timetableSettings.connectDoubleLessons = e!;
+                  Provider.of<TimetableProps>(context, listen: false).run(renew: false);
                 },
               ),
             ),