selfprivacy.org.app/lib/ui/pages/setup/recovering/recovery_confirm_server.dart

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import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:selfprivacy/logic/cubit/server_installation/server_installation_cubit.dart';
import 'package:selfprivacy/logic/models/server_basic_info.dart';
import 'package:selfprivacy/ui/components/buttons/brand_button.dart';
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import 'package:selfprivacy/ui/components/cards/filled_card.dart';
import 'package:selfprivacy/ui/layouts/brand_hero_screen.dart';
class RecoveryConfirmServer extends StatefulWidget {
const RecoveryConfirmServer({super.key});
@override
State<RecoveryConfirmServer> createState() => _RecoveryConfirmServerState();
}
class _RecoveryConfirmServerState extends State<RecoveryConfirmServer> {
bool _isExtended = false;
bool _isServerFound(final List<ServerBasicInfoWithValidators> servers) =>
servers
.where((final server) => server.isIpValid && server.isReverseDnsValid)
.length ==
1;
ServerBasicInfoWithValidators _firstValidServer(
final List<ServerBasicInfoWithValidators> servers,
) =>
servers
.where((final server) => server.isIpValid && server.isReverseDnsValid)
.first;
@override
Widget build(final BuildContext context) => BrandHeroScreen(
heroTitle: _isExtended
? 'recovering.choose_server'.tr()
: 'recovering.confirm_server'.tr(),
heroSubtitle: _isExtended
? 'recovering.choose_server_description'.tr()
: 'recovering.confirm_server_description'.tr(),
hasBackButton: true,
ignoreBreakpoints: true,
onBackButtonPressed: () {
Navigator.of(context).popUntil((final route) => route.isFirst);
},
hasFlashButton: false,
children: [
FutureBuilder<List<ServerBasicInfoWithValidators>>(
future:
context.read<ServerInstallationCubit>().getAvailableServers(),
builder: (final context, final snapshot) {
if (snapshot.hasData) {
final servers = snapshot.data;
return Column(
children: [
if (servers != null && servers.isNotEmpty)
Column(
children: [
if (!_isExtended && _isServerFound(servers))
confirmServer(
context,
_firstValidServer(servers),
servers.length > 1,
),
if (_isExtended || !_isServerFound(servers))
chooseServer(context, servers),
],
),
if (servers?.isEmpty ?? true)
Center(
child: Text(
'recovering.no_servers'.tr(),
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style: Theme.of(context).textTheme.titleLarge,
),
),
],
);
} else {
return const Center(
child: CircularProgressIndicator(),
);
}
},
),
],
);
Widget confirmServer(
final BuildContext context,
final ServerBasicInfoWithValidators server,
final bool showMoreServersButton,
) =>
Column(
children: [
serverCard(
context: context,
server: server,
),
const SizedBox(height: 16),
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BrandButton.filled(
child: Text('recovering.confirm_server_accept'.tr()),
onPressed: () => _showConfirmationDialog(context, server),
),
const SizedBox(height: 16),
if (showMoreServersButton)
BrandButton.text(
title: 'recovering.confirm_server_decline'.tr(),
onPressed: () => setState(() => _isExtended = true),
),
],
);
Widget chooseServer(
final BuildContext context,
final List<ServerBasicInfoWithValidators> servers,
) =>
Column(
children: [
for (final server in servers)
Padding(
padding: const EdgeInsets.symmetric(vertical: 8.0),
child: serverCard(
context: context,
server: server,
onTap: () => _showConfirmationDialog(context, server),
),
),
],
);
Widget serverCard({
required final BuildContext context,
required final ServerBasicInfoWithValidators server,
final VoidCallback? onTap,
}) =>
FilledCard(
child: ListTile(
contentPadding:
const EdgeInsets.symmetric(horizontal: 16, vertical: 16),
onTap: onTap,
title: Text(
server.name,
style: Theme.of(context).textTheme.titleMedium!.copyWith(
color: Theme.of(context).colorScheme.onSurface,
),
),
leading: Icon(
Icons.dns_outlined,
color: Theme.of(context).colorScheme.onSurface,
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
server.isReverseDnsValid ? Icons.check : Icons.close,
color: Theme.of(context).colorScheme.onSurface,
),
const SizedBox(width: 8),
Expanded(
child: Text(
'rDNS: ${server.reverseDns}',
style: Theme.of(context).textTheme.bodyMedium!.copyWith(
color: Theme.of(context).colorScheme.onSurface,
),
),
),
],
),
Row(
children: [
Icon(
server.isIpValid ? Icons.check : Icons.close,
color: Theme.of(context).colorScheme.onSurface,
),
const SizedBox(width: 8),
Expanded(
child: Text(
'IP: ${server.ip}',
style: Theme.of(context).textTheme.bodyMedium!.copyWith(
color: Theme.of(context).colorScheme.onSurface,
),
),
),
],
),
],
),
),
);
Future _showConfirmationDialog(
final BuildContext context,
final ServerBasicInfoWithValidators server,
) =>
showDialog(
context: context,
builder: (final context) => AlertDialog(
title: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Icon(Icons.warning_amber_outlined),
const SizedBox(height: 16),
Text(
'recovering.modal_confirmation_title'.tr(),
style: Theme.of(context).textTheme.headlineSmall,
textAlign: TextAlign.center,
),
],
),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Text(
'recovering.modal_confirmation_description'.tr(),
style: Theme.of(context).textTheme.bodyMedium,
),
const SizedBox(height: 12),
const Divider(),
const SizedBox(height: 12),
Text(
server.name,
style: Theme.of(context).textTheme.titleMedium,
textAlign: TextAlign.start,
),
const SizedBox(height: 8),
IsValidStringDisplay(
isValid: server.isReverseDnsValid,
textIfValid: 'recovering.modal_confirmation_dns_valid'.tr(),
textIfInvalid: 'recovering.modal_confirmation_dns_invalid'.tr(),
),
const SizedBox(height: 8),
IsValidStringDisplay(
isValid: server.isIpValid,
textIfValid: 'recovering.modal_confirmation_ip_valid'.tr(),
textIfInvalid: 'recovering.modal_confirmation_ip_invalid'.tr(),
),
],
),
actions: <Widget>[
TextButton(
child: Text('modals.no'.tr()),
onPressed: () {
Navigator.of(context).pop();
},
),
TextButton(
child: Text('modals.yes'.tr()),
onPressed: () {
context.read<ServerInstallationCubit>().setServerId(server);
Navigator.of(context).pop();
},
),
],
),
);
}
class IsValidStringDisplay extends StatelessWidget {
const IsValidStringDisplay({
required this.isValid,
required this.textIfValid,
required this.textIfInvalid,
super.key,
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});
final bool isValid;
final String textIfValid;
final String textIfInvalid;
@override
Widget build(final BuildContext context) => Row(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
if (isValid)
Icon(Icons.check, color: Theme.of(context).colorScheme.onSurface)
else
Icon(Icons.close, color: Theme.of(context).colorScheme.error),
const SizedBox(width: 8),
Expanded(
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child: isValid
? Text(
textIfValid,
style: Theme.of(context).textTheme.bodyMedium!.copyWith(
color: Theme.of(context).colorScheme.onSurface,
),
)
: Text(
textIfInvalid,
style: Theme.of(context).textTheme.bodyMedium!.copyWith(
color: Theme.of(context).colorScheme.error,
),
),
),
],
);
}