davide
eb7912421c
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>
63 lines
1.7 KiB
Dart
63 lines
1.7 KiB
Dart
import 'package:flutter/material.dart';
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import '../models/meal_plan.dart';
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import '../../../shared/services/storage_service.dart';
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import '../../../core/constants/app_constants.dart';
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class MealPlannerProvider extends ChangeNotifier {
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MealPlan _plan = MealPlan.empty(kDayIds);
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MealPlan get plan => _plan;
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Future<void> load() async {
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final json = await StorageService.load(kStorageKeyMeals);
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if (json != null) {
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try {
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_plan = MealPlan.fromJsonString(json);
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} catch (_) {
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_plan = MealPlan.empty(kDayIds);
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}
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}
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notifyListeners();
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}
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Future<void> _save() =>
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StorageService.save(kStorageKeyMeals, _plan.toJsonString());
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void addItem(String dayId, String slot, String text) {
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final t = text.trim();
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if (t.isEmpty) return;
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final day = _plan.days[dayId]!;
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final updated = switch (slot) {
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'colazione' => day.copyWith(colazione: [...day.colazione, t]),
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'pranzo' => day.copyWith(pranzo: [...day.pranzo, t]),
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'cena' => day.copyWith(cena: [...day.cena, t]),
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_ => day,
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};
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_plan = _plan.withUpdatedDay(dayId, updated);
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notifyListeners();
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_save();
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}
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void removeItem(String dayId, String slot, int index) {
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final day = _plan.days[dayId]!;
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final updated = switch (slot) {
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'colazione' =>
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day.copyWith(colazione: List.of(day.colazione)..removeAt(index)),
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'pranzo' =>
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day.copyWith(pranzo: List.of(day.pranzo)..removeAt(index)),
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'cena' =>
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day.copyWith(cena: List.of(day.cena)..removeAt(index)),
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_ => day,
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};
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_plan = _plan.withUpdatedDay(dayId, updated);
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notifyListeners();
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_save();
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}
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void clearAll() {
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_plan = MealPlan.empty(kDayIds);
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notifyListeners();
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_save();
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}
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}
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