migrated timetable integration from WebUntis to the MarianumConnect API, implementing a Dio-based client with bearer token authentication, background session validation, and auto-refresh logic.

lib/view/pages/timetable/data/lesson_period_schedule.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 
-import '../../../../api/webuntis/queries/get_timegrid_units/get_timegrid_units_response.dart';
+import '../../../../api/marianumconnect/queries/timetable_get_timegrid/timetable_get_timegrid_response.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
 
 class LessonPeriod {
@@ -28,22 +28,30 @@ class LessonPeriodSchedule {
 
   const LessonPeriodSchedule(this.periods);
 
-  static LessonPeriodSchedule? fromApi(GetTimegridUnitsResponse response) {
-    final canonical = response.result.firstWhere(
-      (d) => d.day == 1,
-      orElse: () => response.result.isNotEmpty
-          ? response.result.first
-          : GetTimegridUnitsResponseDay(0, []),
-    );
-    if (canonical.timeUnits.isEmpty) return null;
+  static LessonPeriodSchedule? fromApi(TimetableGetTimegridResponse response) {
+    // The Marianum-Connect endpoint returns one entry per (weekday, unit). The
+    // school's bell schedule is identical Mon–Fri, so we pick Monday as the
+    // canonical day and fall back to the first available weekday if Monday is
+    // missing.
+    final monday = response.result
+        .where((u) => u.dayOfWeek == McDayOfWeek.monday)
+        .toList();
+    final source = monday.isNotEmpty ? monday : response.result;
+    if (source.isEmpty) return null;
 
     final periods =
-        canonical.timeUnits
+        source
             .map(
               (u) => LessonPeriod(
-                name: u.name,
-                start: _fromHHMM(u.startTime),
-                end: _fromHHMM(u.endTime),
+                name: u.label,
+                start: TimeOfDay(
+                  hour: u.startTime.hour,
+                  minute: u.startTime.minute,
+                ),
+                end: TimeOfDay(
+                  hour: u.endTime.hour,
+                  minute: u.endTime.minute,
+                ),
               ),
             )
             .toList()
@@ -144,7 +152,4 @@ class LessonPeriodSchedule {
     }
     return LessonPeriodSchedule(result);
   }
-
-  static TimeOfDay _fromHHMM(int hhmm) =>
-      TimeOfDay(hour: hhmm ~/ 100, minute: hhmm % 100);
 }