feat: riscrivi app in Flutter

Riscrittura completa da Vue 3 + Capacitor a Flutter/Dart. Architettura feature-based (lib/features/): - meal_planner: modello MealPlan/DayPlan, provider, pagina e widget - converter: modello ConversionEntry, provider con ricerca, pagina - shopping_list: modello ShoppingItem, provider con deduplicazione, pagina e widget Core: - Material 3 con seed color #2d6a4f - NavigationBar + IndexedStack (preserva stato dei tab) - Portrait lock via SystemChrome - Persistenza con shared_preferences - 50+ alimenti × metodi cottura in assets/data/conversions.json Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-16 17:41:26 +02:00
parent d49b31f21d
commit eb7912421c
20 changed files with 1656 additions and 0 deletions
@@ -0,0 +1,145 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import '../../providers/meal_planner_provider.dart';
+import '../widgets/meal_card.dart';
+import '../../../shopping_list/providers/shopping_list_provider.dart';
+import '../../../../core/constants/app_constants.dart';
+
+class MealPlannerPage extends StatelessWidget {
+  final VoidCallback onGoShopping;
+
+  const MealPlannerPage({super.key, required this.onGoShopping});
+
+  String get _todayId {
+    const ids = [
+      '',
+      'lunedi',
+      'martedi',
+      'mercoledi',
+      'giovedi',
+      'venerdi',
+      'sabato',
+      'domenica',
+    ];
+    return ids[DateTime.now().weekday];
+  }
+
+  String get _todayFormatted {
+    final now = DateTime.now();
+    const months = [
+      'gennaio', 'febbraio', 'marzo', 'aprile', 'maggio', 'giugno',
+      'luglio', 'agosto', 'settembre', 'ottobre', 'novembre', 'dicembre',
+    ];
+    const weekdays = [
+      '', 'lunedì', 'martedì', 'mercoledì', 'giovedì', 'venerdì', 'sabato', 'domenica',
+    ];
+    return 'Oggi, ${weekdays[now.weekday]} ${now.day} ${months[now.month - 1]}';
+  }
+
+  Future<void> _confirmClear(BuildContext context) async {
+    final ok = await showDialog<bool>(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        title: const Text('Svuota piano'),
+        content: const Text('Svuotare tutto il piano settimanale?'),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(ctx, false),
+            child: const Text('Annulla'),
+          ),
+          TextButton(
+            onPressed: () => Navigator.pop(ctx, true),
+            style: TextButton.styleFrom(
+              foregroundColor: Theme.of(ctx).colorScheme.error,
+            ),
+            child: const Text('Svuota'),
+          ),
+        ],
+      ),
+    );
+    if (ok == true && context.mounted) {
+      context.read<MealPlannerProvider>().clearAll();
+    }
+  }
+
+  void _generateShopping(BuildContext context) {
+    final plan = context.read<MealPlannerProvider>().plan;
+    context.read<ShoppingListProvider>().addAll(plan.allItems);
+    onGoShopping();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final provider = context.watch<MealPlannerProvider>();
+    final todayId = _todayId;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.stretch,
+      children: [
+        Padding(
+          padding: const EdgeInsets.fromLTRB(16, 56, 16, 8),
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                'Piano Pasti',
+                style: theme.textTheme.headlineSmall
+                    ?.copyWith(fontWeight: FontWeight.bold),
+              ),
+              Text(
+                _todayFormatted,
+                style: theme.textTheme.bodyMedium?.copyWith(
+                  color: theme.colorScheme.onSurface.withValues(alpha: 0.6),
+                ),
+              ),
+            ],
+          ),
+        ),
+        Expanded(
+          child: ListView(
+            padding: const EdgeInsets.fromLTRB(16, 4, 16, 16),
+            children: [
+              for (final dayId in kDayIds)
+                MealCard(
+                  key: ValueKey(dayId),
+                  dayId: dayId,
+                  dayLabel: kDayLabels[dayId]!,
+                  dayPlan: provider.plan.days[dayId] ??
+                      (throw StateError('Day $dayId not found')),
+                  initiallyExpanded: dayId == todayId,
+                  onAdd: (slot, text) =>
+                      context.read<MealPlannerProvider>().addItem(dayId, slot, text),
+                  onRemove: (slot, index) =>
+                      context.read<MealPlannerProvider>().removeItem(dayId, slot, index),
+                ),
+              const SizedBox(height: 8),
+              FilledButton.icon(
+                onPressed: () => _generateShopping(context),
+                icon: const Icon(Icons.shopping_cart_outlined),
+                label: const Text('Genera lista della spesa'),
+                style: FilledButton.styleFrom(
+                  minimumSize: const Size(double.infinity, 52),
+                ),
+              ),
+              if (provider.plan.hasAnyMeal) ...[
+                const SizedBox(height: 8),
+                OutlinedButton(
+                  onPressed: () => _confirmClear(context),
+                  style: OutlinedButton.styleFrom(
+                    foregroundColor: theme.colorScheme.error,
+                    side: BorderSide(
+                      color: theme.colorScheme.error.withValues(alpha: 0.4),
+                    ),
+                    minimumSize: const Size(double.infinity, 48),
+                  ),
+                  child: const Text('Svuota piano'),
+                ),
+              ],
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}