391 lines
13 KiB
Dart
391 lines
13 KiB
Dart
import 'package:flutter/material.dart';
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import '../models/channel.dart';
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import '../services/api_service.dart';
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import '../services/auth_service.dart';
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import 'channel_screen.dart';
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import 'login_screen.dart';
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import 'notifications_screen.dart';
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class ChannelListScreen extends StatefulWidget {
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const ChannelListScreen({super.key});
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@override
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State<ChannelListScreen> createState() => _ChannelListScreenState();
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}
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class _ChannelListScreenState extends State<ChannelListScreen> {
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final _authService = AuthService();
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late final ApiService _api;
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List<Channel> _channels = [];
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bool _loading = true;
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String? _error;
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int _pendingNotifCount = 0;
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String? _currentUserId;
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@override
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void initState() {
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super.initState();
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_api = ApiService(_authService);
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_init();
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}
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Future<void> _init() async {
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_currentUserId = await _authService.getUserId();
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await _loadChannels();
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await _loadNotifCount();
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}
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Future<void> _loadChannels() async {
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setState(() {
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_loading = true;
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_error = null;
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});
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final channels = await _api.getChannels();
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if (!mounted) return;
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if (channels.isEmpty && _channels.isEmpty) {
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setState(() {
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_loading = false;
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_error = 'کانالی یافت نشد';
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});
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} else {
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setState(() {
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_channels = channels;
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_loading = false;
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});
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}
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}
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Future<void> _loadNotifCount() async {
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final notifs = await _api.getNotifications();
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if (!mounted) return;
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setState(() {
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_pendingNotifCount = notifs.where((n) => n.isPending).length;
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});
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}
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Future<void> _refresh() async {
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await _loadChannels();
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await _loadNotifCount();
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}
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Future<void> _logout() async {
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await _authService.logout();
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if (!mounted) return;
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => const LoginScreen()),
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);
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}
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void _enterChannel(Channel ch) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => ChannelScreen(channel: ch, currentUserId: _currentUserId),
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),
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);
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}
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void _openNotifications() async {
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await Navigator.push(
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context,
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MaterialPageRoute(builder: (_) => const NotificationsScreen()),
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);
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// refresh notif count + reload channels after returning (user may have accepted invite)
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_refresh();
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}
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Future<void> _showCreateGroupDialog() async {
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String groupName = '';
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => _CreateGroupDialog(
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onNameChanged: (v) => groupName = v,
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),
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);
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if (confirmed == true && groupName.trim().isNotEmpty) {
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final newChannel = await _api.createGroup(groupName.trim());
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if (!mounted) return;
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if (newChannel != null) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('گروه ساخته شد', style: TextStyle(fontSize: 11), textAlign: TextAlign.center),
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backgroundColor: const Color(0xFF1C1C1E),
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behavior: SnackBarBehavior.floating,
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duration: const Duration(seconds: 2),
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 40),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
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),
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);
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_loadChannels();
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('خطا در ساخت گروه', style: TextStyle(fontSize: 11), textAlign: TextAlign.center),
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backgroundColor: const Color(0xFF333333),
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behavior: SnackBarBehavior.floating,
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duration: const Duration(seconds: 2),
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 40),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
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),
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);
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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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return Scaffold(
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backgroundColor: Colors.black,
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body: SafeArea(
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child: Column(
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children: [
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// Header
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
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child: Row(
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children: [
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const SizedBox(width: 4),
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const Icon(Icons.settings_input_antenna,
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color: Color(0xFF00C853), size: 16),
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const SizedBox(width: 4),
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const Expanded(
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child: Text(
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'کانالها',
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style: TextStyle(
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color: Colors.white,
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fontSize: 13,
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fontWeight: FontWeight.bold),
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),
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),
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// Notifications icon with badge
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Stack(
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clipBehavior: Clip.none,
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children: [
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IconButton(
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onPressed: _openNotifications,
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
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icon: const Icon(Icons.notifications_outlined,
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color: Colors.white54, size: 18),
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),
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if (_pendingNotifCount > 0)
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Positioned(
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top: 4,
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right: 4,
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child: Container(
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width: 8,
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height: 8,
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decoration: const BoxDecoration(
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color: Color(0xFFFF1744),
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shape: BoxShape.circle,
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),
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),
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),
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],
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),
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// Create group
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IconButton(
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onPressed: _showCreateGroupDialog,
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padding: EdgeInsets.zero,
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constraints: const BoxConstraints(minWidth: 32, minHeight: 32),
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icon: const Icon(Icons.add_circle_outline,
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color: Color(0xFF00C853), size: 18),
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),
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// Refresh
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IconButton(
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onPressed: _loading ? null : _refresh,
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padding: EdgeInsets.zero,
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constraints:
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const BoxConstraints(minWidth: 32, minHeight: 32),
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icon: const Icon(Icons.refresh,
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color: Colors.white54, size: 18),
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),
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// Logout
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IconButton(
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onPressed: _logout,
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padding: EdgeInsets.zero,
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constraints:
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const BoxConstraints(minWidth: 32, minHeight: 32),
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icon: const Icon(Icons.logout,
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color: Colors.white38, size: 16),
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),
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],
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),
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),
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// Content
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Expanded(
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child: _loading
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? const Center(
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child: CircularProgressIndicator(
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color: Color(0xFF00C853), strokeWidth: 2),
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)
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: _error != null && _channels.isEmpty
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? Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.wifi_off,
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color: Colors.white38, size: 24),
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const SizedBox(height: 6),
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Text(_error!,
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style: const TextStyle(
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color: Colors.white38, fontSize: 11)),
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const SizedBox(height: 8),
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TextButton(
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onPressed: _refresh,
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child: const Text('تلاش مجدد',
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style: TextStyle(
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color: Color(0xFF00C853),
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fontSize: 11)),
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),
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],
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),
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)
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: ListView.builder(
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padding: const EdgeInsets.only(bottom: 4),
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itemCount: _channels.length,
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itemBuilder: (ctx, i) {
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return _ChannelTile(
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channel: _channels[i],
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onTap: () => _enterChannel(_channels[i]),
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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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class _ChannelTile extends StatelessWidget {
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final Channel channel;
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final VoidCallback onTap;
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const _ChannelTile({required this.channel, required this.onTap});
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@override
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Widget build(BuildContext context) {
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return GestureDetector(
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onTap: onTap,
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child: Container(
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margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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height: 44,
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decoration: BoxDecoration(
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color: const Color(0xFF1C1C1E),
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borderRadius: BorderRadius.circular(14),
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),
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padding: const EdgeInsets.symmetric(horizontal: 12),
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child: Row(
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children: [
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Icon(
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channel.type == 'PUBLIC' ? Icons.radio : Icons.lock_outline,
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color: const Color(0xFF00C853),
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size: 16,
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),
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const SizedBox(width: 8),
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Expanded(
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child: Text(
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channel.name,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 12,
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fontWeight: FontWeight.w500),
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overflow: TextOverflow.ellipsis,
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),
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),
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const SizedBox(width: 4),
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const Icon(Icons.chevron_right, color: Colors.white24, size: 16),
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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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// ── Create Group Dialog ────────────────────────────────────────────────────
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class _CreateGroupDialog extends StatefulWidget {
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final ValueChanged<String> onNameChanged;
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const _CreateGroupDialog({required this.onNameChanged});
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@override
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State<_CreateGroupDialog> createState() => _CreateGroupDialogState();
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}
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class _CreateGroupDialogState extends State<_CreateGroupDialog> {
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final _ctrl = TextEditingController();
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@override
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void dispose() {
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_ctrl.dispose();
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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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return AlertDialog(
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backgroundColor: const Color(0xFF1C1C1E),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
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contentPadding: const EdgeInsets.all(16),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.add_circle_outline, color: Color(0xFF00C853), size: 26),
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const SizedBox(height: 8),
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const Text(
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'گروه جدید',
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style: TextStyle(color: Colors.white, fontSize: 12, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 10),
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TextField(
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controller: _ctrl,
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autofocus: true,
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textAlign: TextAlign.center,
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style: const TextStyle(color: Colors.white, fontSize: 12),
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decoration: InputDecoration(
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hintText: 'نام گروه',
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hintStyle: const TextStyle(color: Colors.white38, fontSize: 11),
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filled: true,
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fillColor: Colors.white.withValues(alpha: 0.05),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(10),
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borderSide: BorderSide.none,
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),
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contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
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),
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onChanged: widget.onNameChanged,
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),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('انصراف', style: TextStyle(color: Colors.white54, fontSize: 11)),
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),
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),
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Expanded(
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child: TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('ساخت', style: TextStyle(
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color: Color(0xFF00C853),
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fontSize: 11,
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fontWeight: FontWeight.bold,
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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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