372 lines
14 KiB
Dart
372 lines
14 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:lucide_icons/lucide_icons.dart';
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import '../../providers/sake_list_provider.dart';
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import '../../providers/theme_provider.dart';
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import '../../services/backup_service.dart';
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import '../../theme/app_colors.dart';
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class BackupSettingsSection extends ConsumerStatefulWidget {
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final String title;
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const BackupSettingsSection({
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super.key,
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this.title = 'バックアップ・復元',
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});
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@override
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ConsumerState<BackupSettingsSection> createState() => _BackupSettingsSectionState();
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}
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enum _BackupState { idle, signingIn, signingOut, backingUp, restoring }
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class _BackupSettingsSectionState extends ConsumerState<BackupSettingsSection> {
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final BackupService _backupService = BackupService();
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_BackupState _state = _BackupState.idle;
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@override
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void initState() {
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super.initState();
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_initBackupService();
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}
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Future<void> _initBackupService() async {
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try {
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await _backupService.init();
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} catch (e) {
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debugPrint('[Backup] Init error (silent sign-in failed): $e');
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}
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if (mounted) {
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setState(() {});
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}
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}
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Future<void> _signIn() async {
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final messenger = ScaffoldMessenger.of(context);
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setState(() => _state = _BackupState.signingIn);
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final account = await _backupService.signIn();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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if (account != null) {
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messenger.showSnackBar(
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SnackBar(content: Text('${account.email} で連携しました')),
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);
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} else {
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messenger.showSnackBar(
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const SnackBar(content: Text('連携がキャンセルされました')),
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);
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}
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}
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}
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Future<void> _signOut() async {
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final messenger = ScaffoldMessenger.of(context);
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('連携解除'),
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content: const Text('Googleアカウントとの連携を解除しますか？\n安全にログアウトできます。'),
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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('キャンセル'),
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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('解除'),
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),
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],
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),
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);
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if (confirmed == true) {
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setState(() => _state = _BackupState.signingOut);
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await _backupService.signOut();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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messenger.showSnackBar(
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const SnackBar(content: Text('連携を解除しました')),
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);
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}
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}
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}
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Future<void> _createBackup() async {
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final messenger = ScaffoldMessenger.of(context);
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final appColors = Theme.of(context).extension<AppColors>()!;
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setState(() => _state = _BackupState.backingUp);
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final success = await _backupService.createBackup();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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messenger.showSnackBar(
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SnackBar(
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content: Text(success ? 'バックアップが完了しました' : 'バックアップに失敗しました'),
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backgroundColor: success ? appColors.success : appColors.error,
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),
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);
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}
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}
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Future<void> _confirmBackup() async {
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final appColors = Theme.of(context).extension<AppColors>()!;
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('バックアップ'),
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content: const Text('Google Driveに最新データのみ保存（過去分は上書き）されます。\n本当に続行しますか？'),
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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('キャンセル'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: appColors.brandPrimary,
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foregroundColor: appColors.surfaceSubtle,
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),
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child: const Text('バックアップ'),
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),
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],
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),
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);
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if (confirmed == true && mounted) {
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await _createBackup();
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}
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}
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Future<void> _restoreBackup() async {
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final messenger = ScaffoldMessenger.of(context);
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final appColors = Theme.of(context).extension<AppColors>()!;
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final hasBackup = await _backupService.hasBackupOnDrive();
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if (!hasBackup) {
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if (mounted) {
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messenger.showSnackBar(
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const SnackBar(content: Text('バックアップファイルが見つかりません')),
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);
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}
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return;
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}
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if (!mounted) return;
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: Row(
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children: [
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Icon(LucideIcons.alertTriangle, color: appColors.warning, size: 24),
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const SizedBox(width: 8),
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const Text('データ復元'),
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],
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),
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content: const Text('現在のデータは上書きされます。\n削除されたデータは元に戻りません。\n\n本当に続行しますか？'),
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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('キャンセル'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: appColors.warning,
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foregroundColor: appColors.surfaceSubtle,
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),
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child: const Text('復元'),
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),
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],
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),
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);
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if (confirmed != true || !mounted) return;
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await _executeRestore(forceSkipPreBackup: false);
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}
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/// 実際の復元処理。PreRestoreBackupException を受けた場合はダイアログで続行確認する。
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Future<void> _executeRestore({required bool forceSkipPreBackup}) async {
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final messenger = ScaffoldMessenger.of(context);
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final appColors = Theme.of(context).extension<AppColors>()!;
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setState(() => _state = _BackupState.restoring);
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try {
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final success = forceSkipPreBackup
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? await _backupService.restoreBackupSkippingPreBackup()
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: await _backupService.restoreBackup();
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if (mounted) {
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setState(() => _state = _BackupState.idle);
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if (success) {
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ref.invalidate(rawSakeListItemsProvider);
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ref.invalidate(sakeSortOrderProvider);
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ref.invalidate(userProfileProvider);
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}
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messenger.showSnackBar(
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SnackBar(
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content: Text(success ? '復元が完了しました' : '復元に失敗しました'),
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backgroundColor: success ? appColors.success : appColors.error,
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),
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);
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}
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} on PreRestoreBackupException {
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if (!mounted) return;
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setState(() => _state = _BackupState.idle);
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// 事前バックアップ失敗 → ユーザーに警告して続行するか確認
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final continueAnyway = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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title: Row(
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children: [
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Icon(LucideIcons.alertTriangle, color: appColors.error, size: 24),
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const SizedBox(width: 8),
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const Text('安全バックアップに失敗'),
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],
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),
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content: const Text(
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'復元前の安全コピー作成に失敗しました。\n'
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'このまま続行すると、現在のデータが失われた場合に\n'
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'元に戻せない可能性があります。\n\n'
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'続行しますか？',
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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('中断'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(context, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: appColors.error,
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foregroundColor: appColors.surfaceSubtle,
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),
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child: const Text('それでも続行'),
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),
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],
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),
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);
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if (continueAnyway == true && mounted) {
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await _executeRestore(forceSkipPreBackup: true);
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}
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}
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}
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@override
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Widget build(BuildContext context) {
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final currentUser = _backupService.currentUser;
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final isAnyProcessing = _state != _BackupState.idle;
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final appColors = Theme.of(context).extension<AppColors>()!;
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return Column(
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children: [
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_buildSectionHeader(context, widget.title, LucideIcons.cloud),
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// Wi-Fi warning
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Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: appColors.info.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: appColors.info.withValues(alpha: 0.3)),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Icon(LucideIcons.wifi, color: appColors.info, size: 20),
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const SizedBox(width: 12),
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Expanded(
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child: Text(
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'Wi-Fi環境下での実行を推奨します\nデータ量が100MB以上になる可能性があります',
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style: TextStyle(
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fontSize: 12,
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color: appColors.textSecondary,
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fontWeight: FontWeight.w500,
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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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Card(
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color: appColors.surfaceSubtle,
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elevation: 0,
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margin: EdgeInsets.zero,
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child: Column(
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children: [
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ListTile(
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leading: Icon(
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currentUser != null ? LucideIcons.checkCircle2 : LucideIcons.user,
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color: currentUser != null ? appColors.success : appColors.iconSubtle,
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),
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title: Text(currentUser == null ? 'Googleアカウント連携' : currentUser.email,
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style: TextStyle(color: appColors.textPrimary)),
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subtitle: currentUser == null ? Text('Google Driveにバックアップ',
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style: TextStyle(color: appColors.textSecondary)) : null,
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trailing: (_state == _BackupState.signingIn || _state == _BackupState.signingOut)
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: ElevatedButton(
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style: ElevatedButton.styleFrom(
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backgroundColor: currentUser == null ? appColors.brandPrimary : appColors.error,
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foregroundColor: appColors.surfaceSubtle,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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),
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onPressed: isAnyProcessing ? null : (currentUser == null ? _signIn : _signOut),
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child: Text(
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currentUser == null ? '連携' : '解除',
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style: const TextStyle(fontWeight: FontWeight.bold),
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),
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),
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),
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if (currentUser != null) ...[
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Divider(height: 1, color: appColors.divider),
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ListTile(
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leading: Icon(LucideIcons.uploadCloud, color: appColors.iconDefault),
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title: Text('バックアップ', style: TextStyle(color: appColors.textPrimary)),
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trailing: _state == _BackupState.backingUp
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: null,
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onTap: isAnyProcessing ? null : _confirmBackup,
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),
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Divider(height: 1, color: appColors.divider),
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ListTile(
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leading: Icon(LucideIcons.downloadCloud, color: appColors.iconDefault),
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title: Text('データ復元', style: TextStyle(color: appColors.textPrimary)),
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trailing: _state == _BackupState.restoring
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? const SizedBox(width: 24, height: 24, child: CircularProgressIndicator(strokeWidth: 2))
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: null,
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onTap: isAnyProcessing ? null : _restoreBackup,
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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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);
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}
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Widget _buildSectionHeader(BuildContext context, String title, IconData icon) {
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final appColors = Theme.of(context).extension<AppColors>()!;
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 4),
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child: Row(
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children: [
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Icon(icon, size: 20, color: appColors.iconDefault),
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const SizedBox(width: 8),
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Text(
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title,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: appColors.textPrimary,
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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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}
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