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ivan2282
251
lib/screens/settings/sessions_screen.dart
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251
lib/screens/settings/sessions_screen.dart
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import 'package:flutter/material.dart';
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import 'package:gwid/api_service.dart';
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import 'dart:async';
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import 'package:intl/intl.dart';
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class Session {
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final String client;
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final String location;
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final bool current;
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final int time;
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final String info;
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Session({
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required this.client,
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required this.location,
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required this.current,
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required this.time,
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required this.info,
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});
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factory Session.fromJson(Map<String, dynamic> json) {
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return Session(
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client: json['client'] ?? 'Неизвестное устройство',
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location: json['location'] ?? 'Неизвестное местоположение',
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current: json['current'] ?? false,
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time: json['time'] ?? 0,
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info: json['info'] ?? 'Нет дополнительной информации',
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);
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}
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}
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class SessionsScreen extends StatefulWidget {
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const SessionsScreen({super.key});
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@override
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State<SessionsScreen> createState() => _SessionsScreenState();
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}
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class _SessionsScreenState extends State<SessionsScreen> {
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List<Session> _sessions = [];
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bool _isLoading = true;
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StreamSubscription? _apiSubscription;
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@override
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void initState() {
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super.initState();
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_listenToApi();
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_loadSessions();
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}
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void _listenToApi() {
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_apiSubscription = ApiService.instance.messages.listen((message) {
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if (message['opcode'] == 96 && mounted) {
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final payload = message['payload'];
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if (payload != null && payload['sessions'] != null) {
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final sessionsList = payload['sessions'] as List;
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setState(() {
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_sessions = sessionsList
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.map((session) => Session.fromJson(session))
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.toList();
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_isLoading = false;
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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 _loadSessions() {
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setState(() => _isLoading = true);
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ApiService.instance.requestSessions();
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}
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void _terminateAllSessions() async {
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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('Завершить другие сессии?'),
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content: const Text(
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'Все сессии, кроме текущей, будут завершены. Вы уверены?',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(false),
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child: const Text('Отмена'),
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),
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FilledButton(
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onPressed: () => Navigator.of(context).pop(true),
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style: FilledButton.styleFrom(
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backgroundColor: Theme.of(context).colorScheme.error,
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),
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child: const Text('Завершить'),
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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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ApiService.instance.terminateAllSessions();
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Future.delayed(const Duration(seconds: 1), _loadSessions);
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}
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}
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String _formatTime(int timestamp) {
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final date = DateTime.fromMillisecondsSinceEpoch(timestamp);
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final now = DateTime.now();
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final difference = now.difference(date);
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if (difference.inDays > 0) {
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return '${difference.inDays} д. назад';
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} else if (difference.inHours > 0) {
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return '${difference.inHours} ч. назад';
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} else if (difference.inMinutes > 0) {
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return '${difference.inMinutes} м. назад';
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} else {
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return 'Только что';
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}
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}
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IconData _getDeviceIcon(String clientInfo) {
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final lowerInfo = clientInfo.toLowerCase();
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if (lowerInfo.contains('windows') ||
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lowerInfo.contains('linux') ||
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lowerInfo.contains('macos')) {
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return Icons.computer_outlined;
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} else if (lowerInfo.contains('iphone') || lowerInfo.contains('ios')) {
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return Icons.phone_iphone;
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} else if (lowerInfo.contains('android')) {
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return Icons.phone_android;
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}
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return Icons.web_asset;
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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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super.dispose();
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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 Scaffold(
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appBar: AppBar(
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title: const Text("Активные сессии"),
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actions: [
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IconButton(onPressed: _loadSessions, icon: const Icon(Icons.refresh)),
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],
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),
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body: Column(
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children: [
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if (_sessions.any((s) => !s.current))
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
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child: SizedBox(
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width: double.infinity,
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child: FilledButton.icon(
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onPressed: _terminateAllSessions,
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icon: const Icon(Icons.logout),
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label: const Text("Завершить другие сессии"),
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style: FilledButton.styleFrom(
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backgroundColor: colors.errorContainer,
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foregroundColor: colors.onErrorContainer,
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),
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),
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),
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),
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Expanded(
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child: _isLoading
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? const Center(child: CircularProgressIndicator())
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: _sessions.isEmpty
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? Center(
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child: Text(
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"Активных сессий не найдено.",
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style: TextStyle(color: colors.onSurfaceVariant),
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),
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)
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: ListView.separated(
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padding: const EdgeInsets.all(16),
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itemCount: _sessions.length,
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separatorBuilder: (context, index) =>
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const SizedBox(height: 12),
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itemBuilder: (context, index) {
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final session = _sessions[index];
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final deviceIcon = _getDeviceIcon(session.client);
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return Card(
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elevation: session.current ? 4 : 1,
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shape: RoundedRectangleBorder(
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side: BorderSide(
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color: session.current
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? colors.primary
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: Colors.transparent,
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width: 1.5,
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),
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borderRadius: BorderRadius.circular(12),
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),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Row(
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children: [
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Icon(deviceIcon, size: 40, color: colors.primary),
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const SizedBox(width: 16),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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session.client,
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style: const TextStyle(
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fontWeight: FontWeight.bold,
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fontSize: 16,
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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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session.location,
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style: TextStyle(
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color: colors.onSurfaceVariant,
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fontSize: 14,
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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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"Последняя активность: ${_formatTime(session.time)}",
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style: TextStyle(
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color: colors.onSurfaceVariant,
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fontSize: 12,
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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 (session.current)
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const Icon(
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Icons.check_circle,
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color: Colors.green,
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size: 24,
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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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