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Improved MacOS support and organized screens and utils

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nullpeer
2025-11-30 12:49:33 +03:00
parent ae6fd57040
commit d793498d0a
56 changed files with 255 additions and 63 deletions
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913
lib/screens/search_channels_screen.dart Normal file
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import 'dart:async';
import 'package:flutter/material.dart';
import 'package:gwid/api/api_service.dart';
import 'package:gwid/models/channel.dart';
class SearchChannelsScreen extends StatefulWidget {
const SearchChannelsScreen({super.key});
@override
State<SearchChannelsScreen> createState() => _SearchChannelsScreenState();
}
class _SearchChannelsScreenState extends State<SearchChannelsScreen> {
final TextEditingController _searchController = TextEditingController();
StreamSubscription? _apiSubscription;
bool _isLoading = false;
List<Channel> _foundChannels = [];
String? _errorMessage;
@override
void initState() {
super.initState();
_listenToApiMessages();
}
@override
void dispose() {
_searchController.dispose();
_apiSubscription?.cancel();
super.dispose();
}
void _listenToApiMessages() {
_apiSubscription = ApiService.instance.messages.listen((message) {
if (!mounted) return;
if (message['type'] == 'channels_found') {
setState(() {
_isLoading = false;
_errorMessage = null;
});
final payload = message['payload'];
final channelsData = payload['contacts'] as List<dynamic>?;
if (channelsData != null) {
_foundChannels = channelsData
.map((channelJson) => Channel.fromJson(channelJson))
.toList();
}
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Найдено каналов: ${_foundChannels.length}'),
backgroundColor: Colors.green,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
if (message['type'] == 'channels_not_found') {
setState(() {
_isLoading = false;
_foundChannels.clear();
});
final payload = message['payload'];
String errorMessage = 'Каналы не найдены';
if (payload != null) {
if (payload['localizedMessage'] != null) {
errorMessage = payload['localizedMessage'];
} else if (payload['message'] != null) {
errorMessage = payload['message'];
}
}
setState(() {
_errorMessage = errorMessage;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(errorMessage),
backgroundColor: Colors.orange,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
});
}
void _searchChannels() async {
final searchQuery = _searchController.text.trim();
if (searchQuery.isEmpty) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Введите поисковый запрос'),
backgroundColor: Colors.orange,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
return;
}
setState(() {
_isLoading = true;
_foundChannels.clear();
_errorMessage = null;
});
try {
await ApiService.instance.searchChannels(searchQuery);
} catch (e) {
setState(() {
_isLoading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Ошибка поиска каналов: ${e.toString()}'),
backgroundColor: Theme.of(context).colorScheme.error,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
}
void _viewChannel(Channel channel) {
Navigator.of(context).push(
MaterialPageRoute(
builder: (context) => ChannelDetailsScreen(channel: channel),
),
);
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Scaffold(
appBar: AppBar(
title: const Text('Поиск каналов'),
backgroundColor: colors.surface,
foregroundColor: colors.onSurface,
),
body: Stack(
children: [
SingleChildScrollView(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: colors.primaryContainer.withOpacity(0.3),
borderRadius: BorderRadius.circular(12),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.broadcast_on_personal,
color: colors.primary,
),
const SizedBox(width: 8),
Text(
'Поиск каналов',
style: TextStyle(
fontWeight: FontWeight.bold,
color: colors.primary,
),
),
],
),
const SizedBox(height: 8),
Text(
'Найдите интересные каналы по названию или описанию. '
'Вы можете просматривать каналы и подписываться на них.',
style: TextStyle(color: colors.onSurfaceVariant),
),
],
),
),
const SizedBox(height: 24),
Text(
'Поисковый запрос',
style: Theme.of(
context,
).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold),
),
const SizedBox(height: 16),
TextField(
controller: _searchController,
decoration: InputDecoration(
labelText: 'Название или описание канала',
hintText: 'Например: новости, технологии, развлечения',
border: OutlineInputBorder(
borderRadius: BorderRadius.circular(12),
),
prefixIcon: const Icon(Icons.search),
),
),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(8),
border: Border.all(color: colors.outline.withOpacity(0.3)),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(
Icons.info_outline,
size: 16,
color: colors.primary,
),
const SizedBox(width: 8),
Text(
'Советы по поиску:',
style: TextStyle(
fontWeight: FontWeight.w600,
color: colors.primary,
fontSize: 14,
),
),
],
),
const SizedBox(height: 8),
Text(
'• Используйте ключевые слова\n'
'• Поиск по названию или описанию\n'
'• Попробуйте разные варианты написания',
style: TextStyle(
color: colors.onSurfaceVariant,
fontSize: 13,
height: 1.4,
),
),
],
),
),
const SizedBox(height: 24),
SizedBox(
width: double.infinity,
child: ElevatedButton.icon(
onPressed: _isLoading ? null : _searchChannels,
icon: _isLoading
? SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(
colors.onPrimary,
),
),
)
: const Icon(Icons.search),
label: Text(_isLoading ? 'Поиск...' : 'Найти каналы'),
style: ElevatedButton.styleFrom(
minimumSize: const Size(double.infinity, 50),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
),
if (_foundChannels.isNotEmpty) ...[
const SizedBox(height: 24),
Text(
'Найденные каналы (${_foundChannels.length})',
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 16),
..._foundChannels.map(
(channel) => _buildChannelCard(channel),
),
],
if (_errorMessage != null) ...[
const SizedBox(height: 24),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.orange.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.orange.withOpacity(0.3)),
),
child: Row(
children: [
Icon(Icons.warning, color: Colors.orange),
const SizedBox(width: 8),
Expanded(
child: Text(
_errorMessage!,
style: TextStyle(
color: Colors.orange.shade800,
fontWeight: FontWeight.w500,
),
),
),
],
),
),
],
],
),
),
if (_isLoading)
Container(
color: Colors.black.withOpacity(0.5),
child: const Center(child: CircularProgressIndicator()),
),
],
),
);
}
Widget _buildChannelCard(Channel channel) {
final colors = Theme.of(context).colorScheme;
return Card(
margin: const EdgeInsets.only(bottom: 12),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
child: ListTile(
contentPadding: const EdgeInsets.all(16),
leading: CircleAvatar(
radius: 24,
backgroundImage: channel.photoBaseUrl != null
? NetworkImage(channel.photoBaseUrl!)
: null,
child: channel.photoBaseUrl == null
? Text(
channel.name.isNotEmpty ? channel.name[0].toUpperCase() : '?',
style: TextStyle(
color: colors.onSurface,
fontWeight: FontWeight.w600,
),
)
: null,
),
title: Text(
channel.name,
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 16),
),
subtitle: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (channel.description?.isNotEmpty == true) ...[
const SizedBox(height: 4),
Text(
channel.description!,
style: TextStyle(color: colors.onSurfaceVariant, fontSize: 14),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
],
const SizedBox(height: 8),
Row(
children: [
if (channel.options.contains('BOT'))
Container(
padding: const EdgeInsets.symmetric(
horizontal: 8,
vertical: 2,
),
decoration: BoxDecoration(
color: colors.primaryContainer,
borderRadius: BorderRadius.circular(12),
),
child: Text(
'Бот',
style: TextStyle(
color: colors.onPrimaryContainer,
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
),
if (channel.options.contains('HAS_WEBAPP')) ...[
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(
horizontal: 8,
vertical: 2,
),
decoration: BoxDecoration(
color: colors.secondaryContainer,
borderRadius: BorderRadius.circular(12),
),
child: Text(
'Веб-приложение',
style: TextStyle(
color: colors.onSecondaryContainer,
fontSize: 12,
fontWeight: FontWeight.w500,
),
),
),
],
],
),
],
),
trailing: Icon(
Icons.arrow_forward_ios,
size: 16,
color: colors.onSurfaceVariant,
),
onTap: () => _viewChannel(channel),
),
);
}
}
class ChannelDetailsScreen extends StatefulWidget {
final Channel channel;
const ChannelDetailsScreen({super.key, required this.channel});
@override
State<ChannelDetailsScreen> createState() => _ChannelDetailsScreenState();
}
class _ChannelDetailsScreenState extends State<ChannelDetailsScreen> {
StreamSubscription? _apiSubscription;
bool _isLoading = false;
String? _webAppUrl;
String? _errorMessage;
@override
void initState() {
super.initState();
_listenToApiMessages();
}
@override
void dispose() {
_apiSubscription?.cancel();
super.dispose();
}
void _listenToApiMessages() {
_apiSubscription = ApiService.instance.messages.listen((message) {
if (!mounted) return;
if (message['type'] == 'channel_entered') {
setState(() {
_isLoading = false;
_errorMessage = null;
});
final payload = message['payload'];
_webAppUrl = payload['url'] as String?;
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Канал открыт'),
backgroundColor: Colors.green,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
if (message['type'] == 'channel_subscribed') {
setState(() {
_isLoading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('Подписка на канал успешна!'),
backgroundColor: Colors.green,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
if (message['type'] == 'channel_error') {
setState(() {
_isLoading = false;
});
final payload = message['payload'];
String errorMessage = 'Произошла ошибка';
if (payload != null) {
if (payload['localizedMessage'] != null) {
errorMessage = payload['localizedMessage'];
} else if (payload['message'] != null) {
errorMessage = payload['message'];
}
}
setState(() {
_errorMessage = errorMessage;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text(errorMessage),
backgroundColor: Colors.red,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
});
}
String _extractChannelLink(String inputLink) {
String link = inputLink.trim();
// Поддержка формата @https://max.ru/...
if (link.startsWith('@')) {
link = link.substring(1).trim();
}
return link;
}
void _enterChannel() async {
if (widget.channel.link == null) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('У канала нет ссылки для входа'),
backgroundColor: Colors.orange,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
return;
}
setState(() {
_isLoading = true;
_errorMessage = null;
});
try {
final processedLink = _extractChannelLink(widget.channel.link!);
await ApiService.instance.enterChannel(processedLink);
} catch (e) {
setState(() {
_isLoading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Ошибка входа в канал: ${e.toString()}'),
backgroundColor: Theme.of(context).colorScheme.error,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
}
void _subscribeToChannel() async {
if (widget.channel.link == null) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text('У канала нет ссылки для подписки'),
backgroundColor: Colors.orange,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
return;
}
setState(() {
_isLoading = true;
_errorMessage = null;
});
try {
final processedLink = _extractChannelLink(widget.channel.link!);
await ApiService.instance.subscribeToChannel(processedLink);
} catch (e) {
setState(() {
_isLoading = false;
});
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Ошибка подписки на канал: ${e.toString()}'),
backgroundColor: Theme.of(context).colorScheme.error,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
}
}
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Scaffold(
appBar: AppBar(
title: const Text('Канал'),
backgroundColor: colors.surface,
foregroundColor: colors.onSurface,
),
body: Stack(
children: [
SingleChildScrollView(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Card(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(16),
),
child: Padding(
padding: const EdgeInsets.all(20),
child: Column(
children: [
CircleAvatar(
radius: 40,
backgroundImage: widget.channel.photoBaseUrl != null
? NetworkImage(widget.channel.photoBaseUrl!)
: null,
child: widget.channel.photoBaseUrl == null
? Text(
widget.channel.name.isNotEmpty
? widget.channel.name[0].toUpperCase()
: '?',
style: TextStyle(
color: colors.onSurface,
fontWeight: FontWeight.w600,
fontSize: 24,
),
)
: null,
),
const SizedBox(height: 16),
Text(
widget.channel.name,
style: Theme.of(context).textTheme.headlineSmall
?.copyWith(fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
if (widget.channel.description?.isNotEmpty == true) ...[
const SizedBox(height: 8),
Text(
widget.channel.description!,
style: TextStyle(
color: colors.onSurfaceVariant,
fontSize: 16,
),
textAlign: TextAlign.center,
),
],
const SizedBox(height: 16),
Wrap(
spacing: 8,
runSpacing: 8,
children: [
if (widget.channel.options.contains('BOT'))
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: colors.primaryContainer,
borderRadius: BorderRadius.circular(16),
),
child: Text(
'Бот',
style: TextStyle(
color: colors.onPrimaryContainer,
fontSize: 14,
fontWeight: FontWeight.w500,
),
),
),
if (widget.channel.options.contains('HAS_WEBAPP'))
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: colors.secondaryContainer,
borderRadius: BorderRadius.circular(16),
),
child: Text(
'Веб-приложение',
style: TextStyle(
color: colors.onSecondaryContainer,
fontSize: 14,
fontWeight: FontWeight.w500,
),
),
),
],
),
],
),
),
),
const SizedBox(height: 24),
Column(
children: [
SizedBox(
width: double.infinity,
child: ElevatedButton.icon(
onPressed: _isLoading ? null : _enterChannel,
icon: _isLoading
? SizedBox(
width: 20,
height: 20,
child: CircularProgressIndicator(
strokeWidth: 2,
valueColor: AlwaysStoppedAnimation<Color>(
colors.onPrimary,
),
),
)
: const Icon(Icons.visibility),
label: Text(
_isLoading ? 'Загрузка...' : 'Просмотреть канал',
),
style: ElevatedButton.styleFrom(
minimumSize: const Size(double.infinity, 50),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
),
const SizedBox(height: 12),
SizedBox(
width: double.infinity,
child: OutlinedButton.icon(
onPressed: _isLoading ? null : _subscribeToChannel,
icon: const Icon(Icons.subscriptions),
label: const Text('Подписаться на канал'),
style: OutlinedButton.styleFrom(
minimumSize: const Size(double.infinity, 50),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
),
],
),
if (_webAppUrl != null) ...[
const SizedBox(height: 24),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: colors.primaryContainer.withOpacity(0.3),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: colors.primary.withOpacity(0.3),
),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
Icon(Icons.web, color: colors.primary),
const SizedBox(width: 8),
Text(
'Веб-приложение канала',
style: TextStyle(
fontWeight: FontWeight.bold,
color: colors.primary,
),
),
],
),
const SizedBox(height: 8),
Text(
'Канал имеет веб-приложение. Вы можете открыть его в браузере.',
style: TextStyle(color: colors.onSurfaceVariant),
),
const SizedBox(height: 12),
SizedBox(
width: double.infinity,
child: ElevatedButton.icon(
onPressed: () {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: const Text(
'Открытие веб-приложения...',
),
backgroundColor: Colors.blue,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
behavior: SnackBarBehavior.floating,
margin: const EdgeInsets.all(10),
),
);
},
icon: const Icon(Icons.open_in_browser),
label: const Text('Открыть веб-приложение'),
style: ElevatedButton.styleFrom(
backgroundColor: colors.primary,
foregroundColor: colors.onPrimary,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(12),
),
),
),
),
],
),
),
],
if (_errorMessage != null) ...[
const SizedBox(height: 24),
Container(
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Colors.red.withOpacity(0.1),
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.red.withOpacity(0.3)),
),
child: Row(
children: [
Icon(Icons.error, color: Colors.red),
const SizedBox(width: 8),
Expanded(
child: Text(
_errorMessage!,
style: TextStyle(
color: Colors.red.shade800,
fontWeight: FontWeight.w500,
),
),
),
],
),
),
],
],
),
),
if (_isLoading)
Container(
color: Colors.black.withOpacity(0.5),
child: const Center(child: CircularProgressIndicator()),
),
],
),
);
}
}