342 lines
11 KiB
Dart
342 lines
11 KiB
Dart
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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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class JoinGroupScreen extends StatefulWidget {
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const JoinGroupScreen({super.key});
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@override
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State<JoinGroupScreen> createState() => _JoinGroupScreenState();
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}
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class _JoinGroupScreenState extends State<JoinGroupScreen> {
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final TextEditingController _linkController = TextEditingController();
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StreamSubscription? _apiSubscription;
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bool _isLoading = false;
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@override
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void initState() {
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super.initState();
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_listenToApiMessages();
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}
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@override
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void dispose() {
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_linkController.dispose();
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_apiSubscription?.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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if (message['type'] == 'group_join_success') {
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setState(() {
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_isLoading = false;
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});
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final payload = message['payload'];
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final chat = payload['chat'];
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final chatTitle = chat?['title'] ?? 'Группа';
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Успешно присоединились к группе "$chatTitle"!'),
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backgroundColor: Colors.green,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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behavior: SnackBarBehavior.floating,
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margin: const EdgeInsets.all(10),
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),
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);
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Navigator.of(context).pop();
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}
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if (message['cmd'] == 3 && message['opcode'] == 57) {
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setState(() {
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_isLoading = false;
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});
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final errorPayload = message['payload'];
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String errorMessage = 'Неизвестная ошибка';
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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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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(errorMessage),
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backgroundColor: Theme.of(context).colorScheme.error,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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behavior: SnackBarBehavior.floating,
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margin: const EdgeInsets.all(10),
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),
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);
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}
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});
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}
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String _extractJoinLink(String inputLink) {
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final link = inputLink.trim();
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if (link.startsWith('join/')) {
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print('Ссылка уже в правильном формате: $link');
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return link;
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}
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final joinIndex = link.indexOf('join/');
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if (joinIndex != -1) {
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final extractedLink = link.substring(joinIndex);
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print('Извлечена ссылка из полной ссылки: $link -> $extractedLink');
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return extractedLink;
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}
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print('Не найдено "join/" в ссылке: $link');
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return link;
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}
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void _joinGroup() async {
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final inputLink = _linkController.text.trim();
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if (inputLink.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text('Введите ссылку на группу'),
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backgroundColor: Colors.orange,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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behavior: SnackBarBehavior.floating,
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margin: const EdgeInsets.all(10),
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),
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);
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return;
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}
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final processedLink = _extractJoinLink(inputLink);
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if (!processedLink.contains('join/')) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: const Text(
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'Неверный формат ссылки. Ссылка должна содержать "join/"',
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),
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backgroundColor: Colors.orange,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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behavior: SnackBarBehavior.floating,
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margin: const EdgeInsets.all(10),
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),
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);
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return;
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}
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setState(() {
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_isLoading = true;
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});
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try {
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await ApiService.instance.joinGroupByLink(processedLink);
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} catch (e) {
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setState(() {
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_isLoading = false;
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});
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Ошибка присоединения к группе: ${e.toString()}'),
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backgroundColor: Theme.of(context).colorScheme.error,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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behavior: SnackBarBehavior.floating,
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margin: const EdgeInsets.all(10),
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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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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('Присоединиться к группе'),
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backgroundColor: colors.surface,
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foregroundColor: colors.onSurface,
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),
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body: Stack(
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children: [
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SingleChildScrollView(
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padding: const EdgeInsets.all(20.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colors.primaryContainer.withOpacity(0.3),
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(Icons.group_add, color: colors.primary),
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const SizedBox(width: 8),
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Text(
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'Присоединение к группе',
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style: TextStyle(
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fontWeight: FontWeight.bold,
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color: colors.primary,
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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'Введите ссылку на группу, чтобы присоединиться к ней. '
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'Можно вводить как полную ссылку (https://max.ru/join/...), '
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'так и короткую (join/...).',
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style: TextStyle(color: colors.onSurfaceVariant),
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),
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],
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),
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),
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const SizedBox(height: 24),
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Text(
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'Ссылка на группу',
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style: Theme.of(
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context,
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).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 16),
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TextField(
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controller: _linkController,
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decoration: InputDecoration(
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labelText: 'Ссылка на группу',
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hintText: 'https://max.ru/join/ABC123DEF456GHI789JKL',
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(12),
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),
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prefixIcon: const Icon(Icons.link),
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),
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maxLines: 3,
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),
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const SizedBox(height: 8),
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outline.withOpacity(0.3)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.info_outline,
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size: 16,
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color: colors.primary,
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),
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const SizedBox(width: 8),
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Text(
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'Формат ссылки:',
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style: TextStyle(
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fontWeight: FontWeight.w600,
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color: colors.primary,
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fontSize: 14,
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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'• Ссылка должна содержать "join/"\n'
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'• После "join/" должен идти уникальный идентификатор группы\n'
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'• Примеры:\n'
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' - https://max.ru/join/ABC123DEF456GHI789JKL\n'
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' - join/ABC123DEF456GHI789JKL',
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style: TextStyle(
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color: colors.onSurfaceVariant,
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fontSize: 13,
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height: 1.4,
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),
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),
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],
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),
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),
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const SizedBox(height: 24),
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SizedBox(
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width: double.infinity,
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child: ElevatedButton.icon(
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onPressed: _isLoading ? null : _joinGroup,
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icon: _isLoading
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? SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(
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colors.onPrimary,
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),
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),
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)
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: const Icon(Icons.group_add),
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label: Text(
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_isLoading
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? 'Присоединение...'
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: 'Присоединиться к группе',
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),
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style: ElevatedButton.styleFrom(
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minimumSize: const Size(double.infinity, 50),
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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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),
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],
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),
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),
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if (_isLoading)
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Container(
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color: Colors.black.withOpacity(0.5),
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child: const Center(child: CircularProgressIndicator()),
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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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