391 lines
14 KiB
Dart
391 lines
14 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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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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@override
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void initState() {
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super.initState();
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_api = ApiService(_authService);
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_loadChannels();
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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> _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(builder: (_) => ChannelScreen(channel: ch)),
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);
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}
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Future<void> _showPrivateJoin() async {
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final keyCtrl = TextEditingController();
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bool joining = false;
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String? joinError;
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await showDialog<void>(
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context: context,
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builder: (ctx) {
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return StatefulBuilder(builder: (ctx, setDialog) {
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return Dialog(
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backgroundColor: const Color(0xFF1C1C1E),
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shape:
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RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
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child: Padding(
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padding: const EdgeInsets.all(16),
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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.lock_outline,
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color: Color(0xFFFFAB00), size: 22),
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const SizedBox(height: 6),
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const Text(
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'کانال خصوصی',
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style: TextStyle(
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color: Colors.white,
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fontSize: 12,
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fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 10),
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SizedBox(
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height: 34,
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child: TextField(
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controller: keyCtrl,
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style:
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const TextStyle(color: Colors.white, fontSize: 12),
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textAlign: TextAlign.center,
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decoration: InputDecoration(
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hintText: 'کلید ورود',
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hintStyle: const TextStyle(
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color: Colors.white38, fontSize: 11),
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filled: true,
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fillColor: const Color(0xFF2C2C2E),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide.none,
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 10, vertical: 0),
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),
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),
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),
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if (joinError != null) ...[
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const SizedBox(height: 4),
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Text(joinError!,
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style: const TextStyle(
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color: Color(0xFFFF1744), fontSize: 10)),
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],
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const SizedBox(height: 10),
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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(ctx),
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style: TextButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 8),
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),
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child: const Text('انصراف',
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style: TextStyle(
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color: Colors.white54, fontSize: 11)),
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),
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),
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const SizedBox(width: 8),
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Expanded(
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child: ElevatedButton(
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onPressed: joining
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? null
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: () async {
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final key = keyCtrl.text.trim();
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if (key.isEmpty) {
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setDialog(
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() => joinError = 'کلید را وارد کنید');
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return;
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}
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setDialog(() {
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joining = true;
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joinError = null;
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});
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final ch =
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await _api.joinPrivateChannel(key);
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if (!ctx.mounted) return;
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if (ch != null) {
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Navigator.pop(ctx);
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_enterChannel(ch);
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} else {
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setDialog(() {
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joining = false;
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joinError = 'کلید نادرست';
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});
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}
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: const Color(0xFFFFAB00),
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foregroundColor: Colors.black,
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padding: const EdgeInsets.symmetric(vertical: 8),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14)),
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),
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child: joining
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? const SizedBox(
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width: 14,
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height: 14,
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child: CircularProgressIndicator(
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color: Colors.black, strokeWidth: 2),
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)
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: const Text('ورود',
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style: TextStyle(
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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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);
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keyCtrl.dispose();
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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:
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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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// Refresh
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IconButton(
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onPressed: _loading ? null : _loadChannels,
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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: _loadChannels,
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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 + 1,
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itemBuilder: (ctx, i) {
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if (i == _channels.length) {
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// Private join button
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return _PrivateJoinTile(
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onTap: _showPrivateJoin);
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}
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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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const Icon(Icons.radio, color: Color(0xFF00C853), size: 16),
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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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if (channel.memberCount > 0) ...[
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Text(
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'${channel.memberCount}',
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style: const TextStyle(color: Colors.white38, fontSize: 10),
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),
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const SizedBox(width: 2),
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const Icon(Icons.person_outline,
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color: Colors.white38, size: 11),
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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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class _PrivateJoinTile extends StatelessWidget {
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final VoidCallback onTap;
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const _PrivateJoinTile({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(0xFF2C2400),
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borderRadius: BorderRadius.circular(14),
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border: Border.all(
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color: const Color(0xFFFFAB00).withValues(alpha: 0.4),
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width: 1,
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),
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),
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padding: const EdgeInsets.symmetric(horizontal: 12),
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child: const Row(
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children: [
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Icon(Icons.lock_open_outlined,
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color: Color(0xFFFFAB00), size: 16),
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SizedBox(width: 8),
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Expanded(
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child: Text(
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'ورود به کانال خصوصی',
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style: TextStyle(
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color: Color(0xFFFFAB00),
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fontSize: 11,
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fontWeight: FontWeight.w500),
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),
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),
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Icon(Icons.chevron_right, color: Color(0xFFFFAB00), 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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