vjrj
2812c99280
Interchange export/import for Phase 1 (data-model §7): - JSON: canonical, versioned envelope (formatVersion 1) with all sync metadata verbatim, photos embedded as base64, tombstones excluded. Species are re-resolved on import by scientific name (catalog ids are per-install). Reader tolerates unknown fields/enum values (§5.2) and rejects newer format versions with a clear error. - CSV: export-only spreadsheet flatten, one row per lot, RFC 4180 escaping, never any photo bytes. - Import merges by UUIDv7 id in one transaction: insert-if-unknown preserving original stamps, last-writer-wins by packed HLC for known mutable rows, append-only movements; afterwards the local clock receiveEvent()s the newest imported stamp so it never runs behind. - Settings gains a Backup section (export CSV/JSON, import JSON with confirmation); file dialogs behind a FileService interface backed by file_picker (MIT). - Tests: codec round-trip and tolerance, reconciler LWW, repository export→import round-trip (fresh DB, idempotent re-import, newer-local wins, clock monotonicity, species re-resolution), backup widget flows.
99 lines
2.8 KiB
Dart
99 lines
2.8 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:go_router/go_router.dart';
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import '../i18n/strings.g.dart';
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import '../services/export_import_service.dart';
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import 'backup_section.dart';
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import 'theme.dart';
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/// Basic settings: app language, backup (export/import) and an "about"
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/// section. [exportImport] is injectable so widget tests can pass a fake;
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/// the app resolves it lazily from the service locator.
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class SettingsScreen extends StatelessWidget {
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const SettingsScreen({this.exportImport, super.key});
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final ExportImportService? exportImport;
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@override
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Widget build(BuildContext context) {
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final t = context.t;
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final current = TranslationProvider.of(context).flutterLocale.languageCode;
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return Scaffold(
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appBar: AppBar(title: Text(t.menu.settings)),
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body: ListView(
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children: [
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_SectionHeader(t.settings.language),
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_LanguageTile(
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label: t.settings.langEs,
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selected: current == 'es',
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onTap: () => LocaleSettings.setLocale(AppLocale.es),
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),
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_LanguageTile(
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label: t.settings.langEn,
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selected: current == 'en',
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onTap: () => LocaleSettings.setLocale(AppLocale.en),
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),
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ListTile(
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leading: const Icon(Icons.smartphone_outlined),
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title: Text(t.settings.systemLanguage),
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onTap: () => LocaleSettings.useDeviceLocale(),
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),
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const Divider(),
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_SectionHeader(t.backup.title),
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BackupSection(service: exportImport),
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const Divider(),
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_SectionHeader(t.settings.about),
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ListTile(
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leading: Image.asset('assets/logo.png', width: 32),
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title: Text(t.settings.aboutOpen),
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subtitle: Text(t.settings.aboutText),
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trailing: const Icon(Icons.chevron_right),
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onTap: () => context.push('/about'),
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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 _SectionHeader extends StatelessWidget {
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const _SectionHeader(this.text);
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final String text;
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@override
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Widget build(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 16, 16, 4),
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child: Text(
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text,
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style: Theme.of(context).textTheme.titleSmall?.copyWith(
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color: seedGreen,
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fontWeight: FontWeight.w600,
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letterSpacing: 0.4,
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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 _LanguageTile extends StatelessWidget {
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const _LanguageTile({
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required this.label,
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required this.selected,
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required this.onTap,
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});
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final String label;
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final bool selected;
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final VoidCallback onTap;
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@override
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Widget build(BuildContext context) {
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return ListTile(
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title: Text(label),
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trailing: selected ? const Icon(Icons.check, color: seedGreen) : null,
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onTap: onTap,
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);
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}
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}
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