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refactor(meal_planner): estrai logica QR in qr_codec.dart

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buildQrPayload e parseMealPlanFromQr erano metodi privati non testabili.
Estratti in un modulo dedicato e importati da qr_share_sheet e qr_scan_page.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Davide Grilli
2026-05-17 23:26:55 +02:00
parent 9c24651ec2
commit 49e7bcdbfa
3 changed files with 74 additions and 60 deletions
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lib/features/meal_planner/presentation/pages/qr_scan_page.dart
+12 -46
View File
@@ -1,10 +1,8 @@
import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:provider/provider.dart';
import '../../models/meal_plan.dart';
import '../../providers/meal_planner_provider.dart';
import '../../../../core/constants/app_constants.dart';
import '../../qr_codec.dart';
class QrScanPage extends StatefulWidget {
const QrScanPage({super.key});
@@ -23,51 +21,19 @@ class _QrScanPageState extends State<QrScanPage> {
setState(() => _handled = true);
try {
final parsed = jsonDecode(raw) as Map<String, dynamic>;
if (parsed['v'] != 1 || parsed['meals'] is! Map) {
_showError(context, 'QR non valido: dati non riconosciuti.');
return;
}
final mealsMap = parsed['meals'] as Map<String, dynamic>;
for (final day in kDayIds) {
final dayData = mealsMap[day];
if (dayData is! Map) {
_showError(context, 'QR non valido: struttura dati errata.');
return;
}
for (final slot in kMealSlots) {
if (dayData[slot] is! List) {
_showError(context, 'QR non valido: struttura dati errata.');
return;
}
}
}
final (plan, error) = parseMealPlanFromQr(raw);
if (error != null) {
_showError(context, error);
return;
}
final plan = MealPlan(Map.fromEntries(
kDayIds.map((day) {
final d = mealsMap[day] as Map<String, dynamic>;
return MapEntry(
day,
DayPlan(
colazione: List<String>.from(d['colazione'] as List),
pranzo: List<String>.from(d['pranzo'] as List),
cena: List<String>.from(d['cena'] as List),
),
);
}),
));
context.read<MealPlannerProvider>().importPlan(plan!);
context.read<MealPlannerProvider>().importPlan(plan);
if (context.mounted) {
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Piano ricevuto!')),
);
}
} catch (_) {
_showError(context, 'QR non riconosciuto.');
if (context.mounted) {
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Piano ricevuto!')),
);
}
}