refactored broad range of the application, split files, modularized calendar and file views, centralized bottom sheets and clipboard handling, and implemented unit test coverage

lib/view/pages/timetable/details/webuntis_lesson_sheet.dart

@@ -1,38 +1,35 @@
-import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:jiffy/jiffy.dart';
 import 'package:syncfusion_flutter_calendar/calendar.dart';
 
-import '../../../../api/webuntis/queries/get_rooms/get_rooms_response.dart';
-import '../../../../api/webuntis/queries/get_subjects/get_subjects_response.dart';
 import '../../../../api/webuntis/queries/get_timetable/get_timetable_response.dart';
+import '../../../../api/webuntis/services/lesson_resolver.dart';
+import '../../../../extensions/date_time.dart';
+import '../../../../extensions/text.dart';
 import '../../../../routing/app_routes.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_bloc.dart';
 import '../../../../state/app/modules/timetable/bloc/timetable_state.dart';
 import '../../../../widget/debug/debug_tile.dart';
+import '../../../../widget/details_bottom_sheet.dart';
 import '../../../../widget/unimplemented_dialog.dart';
-import 'bottom_sheet.dart';
 
 class WebuntisLessonSheet {
   static void show(BuildContext context, TimetableBloc bloc, Appointment appointment, GetTimetableResponseObject lesson) {
     final state = bloc.state.data;
     if (state == null) return;
 
-    final headerSubject = _resolveSubject(state, lesson.su.firstOrNull?.id);
-    final headerTitle = _firstNonEmpty([headerSubject.alternateName, headerSubject.name, headerSubject.longName, '?']);
+    final headerSubject = LessonResolver.resolveSubject(state, lesson.su.firstOrNull?.id);
+    final headerTitle = firstNonEmpty([headerSubject.alternateName, headerSubject.name, headerSubject.longName, '?']);
     final headerLongName = headerSubject.longName.isNotEmpty && headerSubject.longName != headerTitle ? headerSubject.longName : '';
 
-    final timeRange =
-        '${Jiffy.parseFromDateTime(appointment.startTime).format(pattern: 'HH:mm')} - '
-        '${Jiffy.parseFromDateTime(appointment.endTime).format(pattern: 'HH:mm')}';
+    final timeRange = appointment.startTime.timeRangeTo(appointment.endTime);
 
-    showAppointmentBottomSheet(
+    showDetailsBottomSheet(
       context,
       header: ListTile(
-        leading: Icon(_iconForCode(lesson.code), size: 32),
+        leading: Icon(LessonFormatter.iconForCode(lesson.code), size: 32),
         title: Text(
-          '${_codePrefix(lesson.code)}$headerTitle',
+          '${LessonFormatter.codePrefix(lesson.code)}$headerTitle',
           style: const TextStyle(fontWeight: FontWeight.bold),
         ),
         subtitle: Text(headerLongName.isNotEmpty
@@ -43,17 +40,17 @@ class WebuntisLessonSheet {
       children: (_) => <Widget>[
         ListTile(
           leading: const Icon(Icons.notifications_active),
-          title: Text('Status: ${_statusLabel(lesson.code)}'),
+          title: Text('Status: ${LessonFormatter.statusLabel(lesson.code)}'),
         ),
         if (lesson.su.length > 1)
           _listTile(
             icon: Icons.book_outlined,
             label: 'Fächer',
             entries: lesson.su.map((s) {
-              final resolved = _resolveSubject(state, s.id);
-              return _formatLine(
-                _firstNonEmpty([resolved.name, s.name, '?']),
-                longname: _firstNonEmpty([resolved.longName, s.longname, '']),
+              final resolved = LessonResolver.resolveSubject(state, s.id);
+              return LessonFormatter.formatLine(
+                firstNonEmpty([resolved.name, s.name, '?']),
+                longname: firstNonEmpty([resolved.longName, s.longname, '']),
               );
             }).toList(),
           ),
@@ -69,7 +66,7 @@ class WebuntisLessonSheet {
             icon: Icons.people,
             label: lesson.kl.length == 1 ? 'Klasse' : 'Klassen',
             entries: lesson.kl
-                .map((k) => _formatLine(
+                .map((k) => LessonFormatter.formatLine(
                       k.name.isNotEmpty ? k.name : '?',
                       longname: k.longname,
                     ))
@@ -81,17 +78,6 @@ class WebuntisLessonSheet {
     );
   }
 
-  static IconData _iconForCode(String? code) {
-    switch (code) {
-      case 'cancelled':
-        return Icons.event_busy_outlined;
-      case 'irregular':
-        return Icons.swap_horiz;
-      default:
-        return Icons.school_outlined;
-    }
-  }
-
   static Widget _roomTile(BuildContext context, TimetableState state, GetTimetableResponseObject lesson) {
     final trailing = IconButton(
       icon: const Icon(Icons.house_outlined),
@@ -107,11 +93,11 @@ class WebuntisLessonSheet {
     }
 
     final entries = lesson.ro.map((r) {
-      final resolved = _resolveRoom(state, r.id);
-      final name = _firstNonEmpty([resolved.name, r.name, '?']);
-      final longname = _firstNonEmpty([resolved.longName, r.longname, '']);
+      final resolved = LessonResolver.resolveRoom(state, r.id);
+      final name = firstNonEmpty([resolved.name, r.name, '?']);
+      final longname = firstNonEmpty([resolved.longName, r.longname, '']);
       final building = resolved.building.trim();
-      return _formatLine(
+      return LessonFormatter.formatLine(
         name,
         longname: longname,
         extra: (building.isNotEmpty && building != '?') ? building : null,
@@ -144,7 +130,7 @@ class WebuntisLessonSheet {
     }
 
     final entries = lesson.te.map((t) {
-      final base = _formatLine(
+      final base = LessonFormatter.formatLine(
         t.name.isNotEmpty ? t.name : '?',
         longname: t.longname,
       );
@@ -206,54 +192,4 @@ class WebuntisLessonSheet {
       subtitle: Text(text),
     );
   }
-
-  static String _formatLine(String name, {String? longname, String? extra}) {
-    final parts = <String>[
-      if (name.isNotEmpty) name else '?',
-    ];
-    final ln = (longname ?? '').trim();
-    if (ln.isNotEmpty && ln != name) parts.add('($ln)');
-    final ex = (extra ?? '').trim();
-    if (ex.isNotEmpty) parts.add('· $ex');
-    return parts.join(' ');
-  }
-
-  static String _firstNonEmpty(List<String> values) {
-    for (final v in values) {
-      if (v.trim().isNotEmpty) return v;
-    }
-    return '';
-  }
-
-  static String _statusLabel(String? code) {
-    switch (code) {
-      case null:
-      case '':
-        return 'Regulär';
-      case 'cancelled':
-        return 'Entfällt';
-      case 'irregular':
-        return 'Geändert';
-      default:
-        return code;
-    }
-  }
-
-  static String _codePrefix(String? code) {
-    if (code == 'cancelled') return 'Entfällt: ';
-    if (code == 'irregular') return 'Änderung: ';
-    return code ?? '';
-  }
-
-  static GetSubjectsResponseObject _resolveSubject(TimetableState state, int? id) {
-    final fallback = GetSubjectsResponseObject(0, '?', 'Unbekannt', '?', true);
-    if (id == null) return fallback;
-    return state.subjects?.result.firstWhereOrNull((s) => s.id == id) ?? fallback;
-  }
-
-  static GetRoomsResponseObject _resolveRoom(TimetableState state, int? id) {
-    final fallback = GetRoomsResponseObject(0, '?', 'Unbekannt', true, '');
-    if (id == null) return fallback;
-    return state.rooms?.result.firstWhereOrNull((r) => r.id == id) ?? fallback;
-  }
 }