feat: export/import JSON des sessions, stats et armurerie via partage systeme
This commit is contained in:
@@ -7,7 +7,12 @@ import '../../data/repositories/session_repository.dart';
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import 'weapon_detail_screen.dart';
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class WeaponListScreen extends StatefulWidget {
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const WeaponListScreen({super.key});
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/// Incrémenté par la navigation à chaque ouverture de l'onglet Armurerie
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/// (l'écran est gardé vivant par l'IndexedStack et ne se rafraîchit pas
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/// seul : sans ça, un import de sauvegarde resterait invisible).
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final int refreshTick;
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const WeaponListScreen({super.key, this.refreshTick = 0});
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@override
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State<WeaponListScreen> createState() => _WeaponListScreenState();
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@@ -23,6 +28,14 @@ class _WeaponListScreenState extends State<WeaponListScreen> {
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_loadWeapons();
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}
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@override
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void didUpdateWidget(WeaponListScreen oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.refreshTick != widget.refreshTick) {
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_loadWeapons();
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}
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}
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Future<void> _loadWeapons() async {
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final repository = context.read<SessionRepository>();
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final weapons = await repository.getWeapons();
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@@ -15,7 +15,12 @@ import '../session/session_provider.dart';
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import 'widgets/stats_card.dart';
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class HomeScreen extends StatefulWidget {
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const HomeScreen({super.key});
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/// Incrémenté par la navigation à chaque ouverture de l'onglet Accueil
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/// (l'écran est gardé vivant par l'IndexedStack : sans ça, un import de
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/// sauvegarde resterait invisible sur le dashboard).
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final int refreshTick;
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const HomeScreen({super.key, this.refreshTick = 0});
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@override
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State<HomeScreen> createState() => _HomeScreenState();
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@@ -35,6 +40,14 @@ class _HomeScreenState extends State<HomeScreen> {
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_loadStats();
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}
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@override
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void didUpdateWidget(HomeScreen oldWidget) {
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super.didUpdateWidget(oldWidget);
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if (oldWidget.refreshTick != widget.refreshTick) {
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_loadStats();
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}
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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@@ -1,11 +1,16 @@
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import 'dart:io';
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import 'dart:math' as math;
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import 'dart:ui' as ui;
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import 'package:file_selector/file_selector.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:fl_chart/fl_chart.dart'; // La librairie pour les courbes
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import 'package:path/path.dart' as p;
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import 'package:share_plus/share_plus.dart';
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import '../../core/widgets/metric_info_button.dart';
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import '../../data/models/session.dart';
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import '../../data/repositories/session_repository.dart';
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import '../../services/backup_service.dart';
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import '../../services/statistics_service.dart';
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class StatisticsScreen extends StatefulWidget {
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@@ -43,6 +48,10 @@ class _StatisticsScreenState extends State<StatisticsScreen> {
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bool _showingB = false; // false = on affiche A, true = on affiche B
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bool get _compareMode => _compareA != null && _compareB != null;
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// --- Sauvegarde (export/import JSON) ---
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bool _isBackupBusy = false;
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final GlobalKey _exportButtonKey = GlobalKey();
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@override
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void initState() {
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super.initState();
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@@ -374,6 +383,11 @@ class _StatisticsScreenState extends State<StatisticsScreen> {
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_buildBiasWarning(),
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],
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const SizedBox(height: 25),
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// 5. SAUVEGARDE : export/import de toutes les données
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_buildBackupSection(),
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const SizedBox(height: 30),
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],
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),
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@@ -882,6 +896,263 @@ class _StatisticsScreenState extends State<StatisticsScreen> {
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),
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);
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}
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// --- SAUVEGARDE : EXPORT / IMPORT JSON ---
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Widget _buildBackupSection() {
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final theme = Theme.of(context);
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return Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: theme.colorScheme.surfaceContainerHighest.withValues(alpha: 0.5),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(Icons.save_alt, color: theme.textTheme.titleMedium?.color, size: 20),
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const SizedBox(width: 8),
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Text(
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'Sauvegarde',
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style: TextStyle(
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color: theme.textTheme.titleMedium?.color,
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fontSize: 16,
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fontWeight: FontWeight.bold,
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),
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),
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],
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),
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const SizedBox(height: 4),
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Text(
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'Exporte toutes tes sessions, tes stats et ton armurerie dans un '
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'fichier JSON, à envoyer où tu veux. L\'import fusionne le fichier '
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'avec tes données actuelles (rien n\'est effacé).',
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style: TextStyle(
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color: theme.textTheme.bodySmall?.color?.withValues(alpha: 0.6),
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fontSize: 12,
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),
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),
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const SizedBox(height: 16),
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Row(
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children: [
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Expanded(
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child: ElevatedButton.icon(
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key: _exportButtonKey,
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onPressed: _isBackupBusy ? null : _exportBackup,
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icon: const Icon(Icons.ios_share, size: 18),
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label: const Text('Exporter'),
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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),
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: OutlinedButton.icon(
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onPressed: _isBackupBusy ? null : _importBackup,
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icon: const Icon(Icons.file_download_outlined, size: 18),
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label: const Text('Importer'),
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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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 (_isBackupBusy) ...[
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const SizedBox(height: 12),
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const LinearProgressIndicator(minHeight: 2),
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],
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],
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),
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);
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}
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BackupService _backupService() =>
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BackupService(repository: context.read<SessionRepository>());
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Future<void> _exportBackup() async {
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final includeImages = await _askIncludeImages();
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if (includeImages == null || !mounted) return;
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setState(() => _isBackupBusy = true);
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try {
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final file = await _backupService().exportToFile(
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includeImages: includeImages,
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);
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if (!mounted) return;
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// sharePositionOrigin : obligatoire pour l'iPad, ignoré ailleurs.
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final box = _exportButtonKey.currentContext?.findRenderObject() as RenderBox?;
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final origin = box != null && box.hasSize
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? box.localToGlobal(Offset.zero) & box.size
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: null;
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await SharePlus.instance.share(
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ShareParams(
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files: [XFile(file.path, mimeType: 'application/json')],
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fileNameOverrides: [p.basename(file.path)],
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subject: 'Sauvegarde IMPACT',
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text: 'Sauvegarde de mes sessions de tir (${p.basename(file.path)})',
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sharePositionOrigin: origin,
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),
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);
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} catch (e) {
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_showMessage('Export impossible : $e', isError: true);
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} finally {
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if (mounted) setState(() => _isBackupBusy = false);
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}
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}
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/// Les photos de cibles alourdissent énormément le fichier : on laisse le
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/// choix entre une sauvegarde légère (données seules) et une sauvegarde
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/// complète (photos encodées dans le JSON).
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Future<bool?> _askIncludeImages() {
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var includeImages = false;
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return showDialog<bool>(
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context: context,
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builder: (context) => StatefulBuilder(
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builder: (context, setDialogState) => AlertDialog(
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title: const Text('Exporter mes données'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text(
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'Le fichier contiendra toutes tes sessions (cibles, impacts, '
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'scores), tes statistiques et ton armurerie.',
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),
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const SizedBox(height: 8),
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SwitchListTile(
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contentPadding: EdgeInsets.zero,
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value: includeImages,
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onChanged: (v) => setDialogState(() => includeImages = v),
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title: const Text('Inclure les photos des cibles'),
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subtitle: const Text(
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'Sauvegarde complète, mais fichier beaucoup plus lourd.',
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style: TextStyle(fontSize: 12),
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),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Annuler'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, includeImages),
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child: const Text('Exporter'),
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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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Future<void> _importBackup() async {
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const jsonGroup = XTypeGroup(
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label: 'Sauvegarde IMPACT (.json)',
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extensions: ['json'],
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// Android renvoie parfois un type générique pour un .json : on accepte
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// large, le contenu est validé à la lecture de toute façon.
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mimeTypes: ['application/json', 'text/plain', 'application/octet-stream'],
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uniformTypeIdentifiers: ['public.json', 'public.text'],
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);
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final picked = await openFile(acceptedTypeGroups: const [jsonGroup]);
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if (picked == null || !mounted) return;
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setState(() => _isBackupBusy = true);
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try {
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final service = _backupService();
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final preview = await service.readBackup(File(picked.path));
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if (!mounted) return;
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final confirmed = await _confirmImport(preview);
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if (confirmed != true || !mounted) return;
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final result = await service.applyBackup(preview);
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await _loadStatistics();
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if (!mounted) return;
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final details = [
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'${result.sessions} session(s)',
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'${result.weapons} arme(s)',
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if (result.maintenance > 0) '${result.maintenance} entretien(s)',
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if (result.images > 0) '${result.images} photo(s)',
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].join(' · ');
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_showMessage(
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result.errors.isEmpty
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? 'Import terminé : $details'
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: 'Import terminé : $details — ${result.errors.length} entrée(s) ignorée(s)',
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);
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} on BackupFormatException catch (e) {
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_showMessage(e.message, isError: true);
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} catch (e) {
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_showMessage('Import impossible : $e', isError: true);
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} finally {
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if (mounted) setState(() => _isBackupBusy = false);
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}
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}
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Future<bool?> _confirmImport(BackupPreview preview) {
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final date = preview.exportedAt;
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final dateLabel = date == null
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? null
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: '${date.day.toString().padLeft(2, '0')}/'
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'${date.month.toString().padLeft(2, '0')}/${date.year}';
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return showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Importer cette sauvegarde ?'),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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if (dateLabel != null) Text('Exportée le $dateLabel'),
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if (dateLabel != null) const SizedBox(height: 8),
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Text('• ${preview.sessionCount} session(s)'),
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Text('• ${preview.targetCount} cible(s), ${preview.shotCount} impact(s)'),
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Text('• ${preview.weaponCount} arme(s), ${preview.maintenanceCount} entretien(s)'),
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Text(preview.hasImages
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? '• Photos des cibles incluses'
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: '• Sans photos de cibles'),
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const SizedBox(height: 12),
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const Text(
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'Les données actuelles sont conservées. Une session déjà '
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'présente est simplement mise à jour.',
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style: TextStyle(fontSize: 12),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('Annuler'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('Importer'),
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),
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],
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),
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);
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}
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void _showMessage(String message, {bool isError = false}) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(message),
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backgroundColor: isError ? Colors.red.shade700 : null,
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duration: const Duration(seconds: 4),
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),
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);
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}
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}
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class _HeatMapPainter extends CustomPainter {
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