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ivan2282
298
lib/screens/settings/reconnection_screen.dart
Normal file
298
lib/screens/settings/reconnection_screen.dart
Normal file
@@ -0,0 +1,298 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:gwid/api_service.dart';
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import 'package:gwid/home_screen.dart';
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class ReconnectionScreen extends StatefulWidget {
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const ReconnectionScreen({super.key});
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@override
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State<ReconnectionScreen> createState() => _ReconnectionScreenState();
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}
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class _ReconnectionScreenState extends State<ReconnectionScreen> {
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StreamSubscription? _apiSubscription;
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String _statusMessage = 'Переподключение...';
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bool _isReconnecting = true;
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Timer? _timeoutTimer;
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@override
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void initState() {
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super.initState();
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_startFullReconnection();
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_listenToApiMessages();
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}
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@override
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void dispose() {
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_apiSubscription?.cancel();
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_timeoutTimer?.cancel();
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super.dispose();
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}
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void _listenToApiMessages() {
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_apiSubscription = ApiService.instance.messages.listen((message) {
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if (!mounted) return;
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print(
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'ReconnectionScreen: Получено сообщение: opcode=${message['opcode']}, cmd=${message['cmd']}',
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);
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if (message['opcode'] == 19 && message['cmd'] == 1) {
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final payload = message['payload'];
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print('ReconnectionScreen: Получен opcode 19, payload: $payload');
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if (payload != null && payload['token'] != null) {
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print('ReconnectionScreen: Вызываем _onReconnectionSuccess()');
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_onReconnectionSuccess();
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return;
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}
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}
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if (message['cmd'] == 3) {
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final errorPayload = message['payload'];
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String errorMessage = 'Ошибка переподключения';
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if (errorPayload != null) {
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if (errorPayload['localizedMessage'] != null) {
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errorMessage = errorPayload['localizedMessage'];
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} else if (errorPayload['message'] != null) {
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errorMessage = errorPayload['message'];
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}
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}
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_onReconnectionError(errorMessage);
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}
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});
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}
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void _onReconnectionSuccess() {
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if (!mounted) return;
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print('ReconnectionScreen: _onReconnectionSuccess() вызван');
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_timeoutTimer?.cancel();
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setState(() {
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_statusMessage = 'Переподключение успешно!';
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_isReconnecting = false;
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});
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print('ReconnectionScreen: Устанавливаем таймер для навигации...');
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Timer(const Duration(milliseconds: 1500), () {
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if (mounted) {
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print('ReconnectionScreen: Навигация к HomeScreen...');
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Navigator.of(context).pushAndRemoveUntil(
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MaterialPageRoute(builder: (context) => const HomeScreen()),
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(route) => false,
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);
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}
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});
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}
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void _onReconnectionError(String error) {
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if (!mounted) return;
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_timeoutTimer?.cancel();
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setState(() {
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_statusMessage = 'Ошибка: $error';
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_isReconnecting = false;
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});
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Timer(const Duration(seconds: 3), () {
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if (mounted) {
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setState(() {
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_statusMessage = 'Нажмите для повторной попытки';
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});
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}
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});
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}
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Future<void> _startFullReconnection() async {
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try {
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print('ReconnectionScreen: Начинаем полное переподключение...');
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_timeoutTimer = Timer(const Duration(seconds: 30), () {
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if (mounted && _isReconnecting) {
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_onReconnectionError('Таймаут переподключения');
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}
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});
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setState(() {
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_statusMessage = 'Отключение от сервера...';
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});
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ApiService.instance.disconnect();
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setState(() {
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_statusMessage = 'Очистка кэшей...';
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});
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ApiService.instance.clearAllCaches();
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setState(() {
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_statusMessage = 'Подключение к серверу...';
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});
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await ApiService.instance.performFullReconnection();
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setState(() {
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_statusMessage = 'Аутентификация...';
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});
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final hasToken = await ApiService.instance.hasToken();
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if (hasToken) {
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setState(() {
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_statusMessage = 'Аутентификация...';
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});
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await ApiService.instance.getChatsAndContacts();
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setState(() {
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_statusMessage = 'Загрузка данных...';
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});
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} else {
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_onReconnectionError('Токен аутентификации не найден');
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}
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} catch (e) {
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_onReconnectionError('Ошибка переподключения: ${e.toString()}');
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}
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}
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void _retryReconnection() {
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setState(() {
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_statusMessage = 'Переподключение...';
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_isReconnecting = true;
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});
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_startFullReconnection();
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}
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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return WillPopScope(
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onWillPop: () async => false, // Блокируем кнопку "Назад"
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child: Scaffold(
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backgroundColor: colors.surface,
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body: Container(
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width: double.infinity,
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height: double.infinity,
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color: colors.surface.withOpacity(0.95),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 120,
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height: 120,
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decoration: BoxDecoration(
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color: colors.primaryContainer,
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shape: BoxShape.circle,
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),
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child: _isReconnecting
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? CircularProgressIndicator(
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strokeWidth: 4,
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valueColor: AlwaysStoppedAnimation<Color>(
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colors.primary,
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),
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)
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: Icon(
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_statusMessage.contains('Ошибка')
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? Icons.error_outline
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: Icons.check_circle_outline,
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size: 60,
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color: _statusMessage.contains('Ошибка')
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? colors.error
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: colors.primary,
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),
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),
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const SizedBox(height: 32),
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Text(
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'Переподключение',
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style: Theme.of(context).textTheme.headlineMedium?.copyWith(
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fontWeight: FontWeight.bold,
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color: colors.onSurface,
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),
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),
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const SizedBox(height: 16),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 32),
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child: Text(
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_statusMessage,
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(
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color: colors.onSurfaceVariant,
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),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 48),
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if (!_isReconnecting && _statusMessage.contains('Нажмите'))
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ElevatedButton.icon(
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onPressed: _retryReconnection,
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icon: const Icon(Icons.refresh),
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label: const Text('Повторить'),
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: 32,
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vertical: 16,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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),
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const SizedBox(height: 32),
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Container(
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margin: const EdgeInsets.symmetric(horizontal: 32),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: colors.outline.withOpacity(0.3)),
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),
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child: Row(
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children: [
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Icon(Icons.info_outline, color: colors.primary, 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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'Выполняется полное переподключение к серверу. Пожалуйста, подождите.',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: colors.onSurfaceVariant,
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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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),
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),
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);
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}
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}
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