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>
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import 'package:flutter/material.dart';
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import '../../models/meal_plan.dart';
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import '../../../../core/constants/app_constants.dart';
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class MealCard extends StatefulWidget {
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final String dayId;
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final String dayLabel;
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final DayPlan dayPlan;
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final bool initiallyExpanded;
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final void Function(String slot, String text) onAdd;
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final void Function(String slot, int index) onRemove;
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const MealCard({
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super.key,
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required this.dayId,
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required this.dayLabel,
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required this.dayPlan,
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required this.onAdd,
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required this.onRemove,
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this.initiallyExpanded = false,
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});
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@override
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State<MealCard> createState() => _MealCardState();
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}
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class _MealCardState extends State<MealCard> {
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late final Map<String, TextEditingController> _controllers = {
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for (final slot in kMealSlots) slot: TextEditingController(),
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};
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@override
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void dispose() {
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for (final c in _controllers.values) {
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c.dispose();
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}
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super.dispose();
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}
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void _add(String slot) {
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final text = _controllers[slot]!.text.trim();
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if (text.isEmpty) return;
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widget.onAdd(slot, text);
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_controllers[slot]!.clear();
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final totalItems = widget.dayPlan.colazione.length +
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widget.dayPlan.pranzo.length +
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widget.dayPlan.cena.length;
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return Card(
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margin: const EdgeInsets.only(bottom: 8),
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clipBehavior: Clip.antiAlias,
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child: ExpansionTile(
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initiallyExpanded: widget.initiallyExpanded,
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title: Text(
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widget.dayLabel,
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style: theme.textTheme.titleMedium
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?.copyWith(fontWeight: FontWeight.w600),
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),
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subtitle: totalItems > 0
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? Text('$totalItems voc${totalItems == 1 ? 'e' : 'i'}')
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: null,
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children: [
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const Divider(height: 1),
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for (final slot in kMealSlots)
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_SlotSection(
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label: kMealSlotLabels[slot]!,
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items: widget.dayPlan.slot(slot),
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controller: _controllers[slot]!,
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onAdd: () => _add(slot),
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onRemove: (i) => widget.onRemove(slot, i),
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isLast: slot == kMealSlots.last,
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),
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],
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),
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);
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}
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}
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class _SlotSection extends StatelessWidget {
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final String label;
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final List<String> items;
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final TextEditingController controller;
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final VoidCallback onAdd;
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final void Function(int) onRemove;
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final bool isLast;
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const _SlotSection({
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required this.label,
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required this.items,
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required this.controller,
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required this.onAdd,
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required this.onRemove,
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required this.isLast,
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});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 12, 16, 6),
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child: Text(
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label,
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style: theme.textTheme.labelMedium?.copyWith(
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color: theme.colorScheme.primary,
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fontWeight: FontWeight.w700,
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letterSpacing: 0.3,
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),
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),
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),
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for (int i = 0; i < items.length; i++)
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_ItemRow(text: items[i], onRemove: () => onRemove(i)),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 6, 16, 12),
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child: Row(
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children: [
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Expanded(
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child: TextField(
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controller: controller,
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decoration: InputDecoration(
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hintText: 'Aggiungi a ${label.toLowerCase()}…',
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isDense: true,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 10,
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),
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),
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onSubmitted: (_) => onAdd(),
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textInputAction: TextInputAction.done,
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),
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),
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const SizedBox(width: 8),
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SizedBox(
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width: 44,
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height: 44,
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child: FilledButton(
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onPressed: onAdd,
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style: FilledButton.styleFrom(
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padding: EdgeInsets.zero,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(10),
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),
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),
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child: const Icon(Icons.add, size: 20),
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),
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),
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],
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),
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),
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if (!isLast) const Divider(height: 1),
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],
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);
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}
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}
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class _ItemRow extends StatelessWidget {
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final String text;
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final VoidCallback onRemove;
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const _ItemRow({required this.text, required this.onRemove});
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 3),
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child: Row(
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children: [
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Icon(
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Icons.circle,
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size: 5,
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color: theme.colorScheme.onSurface.withValues(alpha: 0.3),
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),
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const SizedBox(width: 10),
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Expanded(child: Text(text, style: theme.textTheme.bodyMedium)),
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IconButton(
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onPressed: onRemove,
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icon: const Icon(Icons.close, size: 16),
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visualDensity: VisualDensity.compact,
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color: theme.colorScheme.onSurface.withValues(alpha: 0.35),
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),
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],
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),
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);
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}
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}
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