added guardian letters with chat and multiple answer functionalities

2026-09-20 16:12:45 +02:00
parent 67c935c05b
commit 2423c1a75e
68 changed files with 8348 additions and 226 deletions
@@ -0,0 +1,132 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+import '../../../api/marianumconnect/queries/get_capabilities/guardian_child.dart';
+import '../../../push/notification_permission_prompt.dart';
+import '../../../routing/app_routes.dart';
+import '../../../state/app/infrastructure/loadable_state/view/loadable_state_consumer.dart';
+import '../../../state/app/modules/capabilities/bloc/capabilities_cubit.dart';
+import '../../../state/app/modules/parent_letters/bloc/parent_letters_bloc.dart';
+import '../../../state/app/modules/parent_letters/bloc/parent_letters_state.dart';
+import '../../../state/app/modules/parent_letters/parent_letters_logic.dart';
+import '../../../widget/async_action_button.dart';
+import '../../../widget/child_switcher.dart';
+import '../../../widget/placeholder_view.dart';
+import 'widgets/parent_letter_tile.dart';
+
+class ParentLettersView extends StatefulWidget {
+  const ParentLettersView({super.key});
+
+  @override
+  State<ParentLettersView> createState() => _ParentLettersViewState();
+}
+
+class _ParentLettersViewState extends State<ParentLettersView> {
+  /// Null shows the letters of all children. Deliberately independent of the
+  /// app-wide child selection: the inbox must not hide a sibling's letters.
+  String? _childFilter;
+
+  @override
+  void initState() {
+    super.initState();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted) return;
+      context.read<ParentLettersBloc>().refresh(silent: true);
+      maybePromptParentLetterNotifications(context);
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final children = context.watch<CapabilitiesCubit>().state.children;
+    final filter = children.any((child) => child.id == _childFilter)
+        ? _childFilter
+        : null;
+    return Scaffold(
+      appBar: AppBar(title: const Text('Elternbriefe')),
+      body: Column(
+        children: [
+          if (children.length > 1)
+            _ChildFilterBar(
+              children: children,
+              selected: filter,
+              onSelected: (id) => setState(() => _childFilter = id),
+            ),
+          Expanded(
+            child: LoadableStateConsumer<ParentLettersBloc, ParentLettersState>(
+              child: (state, loading) {
+                if (children.isEmpty) return const NoChildrenPlaceholder();
+                final letters = filterLettersByChild(state.letters, filter);
+                if (letters.isEmpty && !state.hasMore) {
+                  return const PlaceholderView(
+                    icon: Icons.mark_email_read_outlined,
+                    text: 'Keine Elternbriefe vorhanden.',
+                  );
+                }
+                return ListView.separated(
+                  physics: const AlwaysScrollableScrollPhysics(),
+                  itemCount: letters.length + (state.hasMore ? 1 : 0),
+                  separatorBuilder: (_, _) => const Divider(height: 1),
+                  itemBuilder: (context, index) {
+                    if (index == letters.length) {
+                      return Padding(
+                        padding: const EdgeInsets.all(8),
+                        child: AsyncTextButton(
+                          onPressed: context
+                              .read<ParentLettersBloc>()
+                              .loadOlder,
+                          child: const Text('Ältere Elternbriefe laden'),
+                        ),
+                      );
+                    }
+                    final letter = letters[index];
+                    return ParentLetterTile(
+                      letter: letter,
+                      children: children,
+                      onTap: () =>
+                          AppRoutes.openParentLetter(context, id: letter.id),
+                    );
+                  },
+                );
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _ChildFilterBar extends StatelessWidget {
+  final List<GuardianChild> children;
+  final String? selected;
+  final ValueChanged<String?> onSelected;
+
+  const _ChildFilterBar({
+    required this.children,
+    required this.selected,
+    required this.onSelected,
+  });
+
+  @override
+  Widget build(BuildContext context) => SingleChildScrollView(
+    scrollDirection: Axis.horizontal,
+    padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
+    child: Row(
+      spacing: 8,
+      children: [
+        ChoiceChip(
+          label: const Text('Alle'),
+          selected: selected == null,
+          onSelected: (_) => onSelected(null),
+        ),
+        for (final child in children)
+          ChoiceChip(
+            label: Text(child.firstName),
+            selected: selected == child.id,
+            onSelected: (_) => onSelected(child.id),
+          ),
+      ],
+    ),
+  );
+}