parser logic added

2026-08-30 12:24:29 +02:00
parent 35d5c90d81
commit 3b698a3667
28 changed files with 3018 additions and 346 deletions
@@ -0,0 +1,151 @@
+/// Named shopping lists of things to buy.
+library;
+
+import 'package:flutter/material.dart';
+
+import 'models/shopping_list.dart';
+import 'services/product_repository.dart';
+import 'shopping_list_detail_screen.dart';
+import 'widgets/confirm_dialog.dart';
+import 'widgets/name_dialog.dart';
+import 'widgets/settings_button.dart';
+
+class ShoppingListsScreen extends StatefulWidget {
+  const ShoppingListsScreen({super.key, required this.repository});
+
+  final ProductRepository repository;
+
+  @override
+  State<ShoppingListsScreen> createState() => _ShoppingListsScreenState();
+}
+
+class _ShoppingListsScreenState extends State<ShoppingListsScreen> {
+  late Future<List<ShoppingList>> _future;
+  bool _editing = false;
+
+  @override
+  void initState() {
+    super.initState();
+    _future = widget.repository.getShoppingLists();
+  }
+
+  void _reload() {
+    setState(() => _future = widget.repository.getShoppingLists());
+  }
+
+  Future<void> _create() async {
+    final name = await showNameDialog(
+      context,
+      title: 'New shopping list',
+      label: 'List name',
+      confirmLabel: 'Create',
+    );
+    if (name == null || !mounted) return;
+    final id = await widget.repository.createShoppingList(name);
+    if (!mounted) return;
+    await _openList(id);
+  }
+
+  Future<void> _openList(int id) async {
+    await Navigator.of(context).push<void>(
+      MaterialPageRoute(
+        builder: (_) =>
+            ShoppingListDetailScreen(repository: widget.repository, listId: id),
+      ),
+    );
+    if (mounted) _reload();
+  }
+
+  Future<void> _removeList(ShoppingList list) async {
+    final confirmed = await confirmAction(
+      context,
+      title: 'Delete shopping list?',
+      message: '"${list.name}" and its items will be deleted.',
+    );
+    if (!confirmed || !mounted) return;
+    await widget.repository.deleteShoppingList(list.id);
+    if (mounted) _reload();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(
+        title: const Text('Shopping lists'),
+        actions: [
+          IconButton(
+            tooltip: _editing ? 'Done' : 'Edit',
+            onPressed: () => setState(() => _editing = !_editing),
+            icon: Icon(_editing ? Icons.check : Icons.edit_outlined),
+          ),
+          const SettingsButton(),
+        ],
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _create,
+        tooltip: 'New list',
+        child: const Icon(Icons.add),
+      ),
+      body: FutureBuilder<List<ShoppingList>>(
+        future: _future,
+        builder: (context, snapshot) {
+          if (snapshot.hasError) {
+            return Center(
+              child: Text(
+                'Could not load shopping lists.',
+                style: theme.textTheme.bodyLarge,
+              ),
+            );
+          }
+          if (!snapshot.hasData) {
+            return const Center(child: CircularProgressIndicator());
+          }
+
+          final lists = snapshot.data!;
+          if (lists.isEmpty) {
+            return Center(
+              child: Text(
+                'Create a list for your next shop.',
+                textAlign: TextAlign.center,
+                style: theme.textTheme.bodyLarge,
+              ),
+            );
+          }
+
+          return ListView.separated(
+            padding: const EdgeInsets.fromLTRB(8, 8, 8, 88),
+            itemCount: lists.length,
+            separatorBuilder: (_, _) => const SizedBox(height: 4),
+            itemBuilder: (context, index) {
+              final list = lists[index];
+              final remaining = list.itemCount - list.checkedCount;
+              return ListTile(
+                leading: CircleAvatar(child: Text('${list.itemCount}')),
+                title: Text(list.name),
+                subtitle: Text(
+                  list.itemCount == 0
+                      ? 'Empty'
+                      : remaining == 0
+                      ? 'All done'
+                      : remaining == 1
+                      ? '1 item left'
+                      : '$remaining items left',
+                ),
+                trailing: _editing
+                    ? IconButton(
+                        tooltip: 'Delete',
+                        onPressed: () => _removeList(list),
+                        icon: const Icon(Icons.delete_outline),
+                      )
+                    : const Icon(Icons.chevron_right),
+                onTap: _editing ? null : () => _openList(list.id),
+              );
+            },
+          );
+        },
+      ),
+    );
+  }
+}