Initial Commit
This commit is contained in:
ivan2282
317
lib/custom_request_screen.dart
Normal file
317
lib/custom_request_screen.dart
Normal file
@@ -0,0 +1,317 @@
|
||||
import 'dart:async';
|
||||
import 'dart:convert';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:flutter/services.dart';
|
||||
import 'package:gwid/api_service.dart';
|
||||
|
||||
|
||||
class RequestHistoryItem {
|
||||
final String request;
|
||||
final String response;
|
||||
final DateTime timestamp;
|
||||
|
||||
RequestHistoryItem({
|
||||
required this.request,
|
||||
required this.response,
|
||||
required this.timestamp,
|
||||
});
|
||||
}
|
||||
|
||||
class CustomRequestScreen extends StatefulWidget {
|
||||
const CustomRequestScreen({super.key});
|
||||
|
||||
@override
|
||||
State<CustomRequestScreen> createState() => _CustomRequestScreenState();
|
||||
}
|
||||
|
||||
class _CustomRequestScreenState extends State<CustomRequestScreen> {
|
||||
final _requestController = TextEditingController();
|
||||
final _scrollController = ScrollController();
|
||||
|
||||
String? _response;
|
||||
String? _error;
|
||||
bool _isLoading = false;
|
||||
|
||||
final List<RequestHistoryItem> _history = [];
|
||||
|
||||
void _handleResponse(Map<String, dynamic> message, String originalRequest) {
|
||||
const encoder = JsonEncoder.withIndent(' ');
|
||||
final formattedResponse = encoder.convert(message);
|
||||
|
||||
if (!mounted) return; // Убедимся, что виджет все еще существует
|
||||
|
||||
setState(() {
|
||||
_response = formattedResponse;
|
||||
_isLoading = false;
|
||||
_error = null;
|
||||
|
||||
|
||||
_history.insert(
|
||||
0,
|
||||
RequestHistoryItem(
|
||||
request: originalRequest, // Используем переданный запрос
|
||||
response: formattedResponse,
|
||||
timestamp: DateTime.now(),
|
||||
),
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
Future<void> _sendRequest() async {
|
||||
if (_isLoading) return;
|
||||
FocusScope.of(context).unfocus();
|
||||
|
||||
final requestText = _requestController.text.isEmpty
|
||||
? '{}'
|
||||
: _requestController.text;
|
||||
Map<String, dynamic> requestJson;
|
||||
|
||||
try {
|
||||
requestJson = jsonDecode(requestText) as Map<String, dynamic>;
|
||||
} catch (e) {
|
||||
setState(() {
|
||||
_error = 'Ошибка: Невалидный JSON в запросе.\n$e';
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
setState(() {
|
||||
_isLoading = true;
|
||||
_response = null;
|
||||
_error = null;
|
||||
});
|
||||
|
||||
StreamSubscription? subscription;
|
||||
Timer? timeoutTimer;
|
||||
|
||||
try {
|
||||
final int sentSeq = ApiService.instance.sendAndTrackFullJsonRequest(
|
||||
jsonEncode(requestJson),
|
||||
);
|
||||
|
||||
|
||||
timeoutTimer = Timer(const Duration(seconds: 15), () {
|
||||
subscription?.cancel(); // Прекращаем слушать стрим
|
||||
if (mounted && _isLoading) {
|
||||
setState(() {
|
||||
_error = 'Ошибка: Превышено время ожидания ответа (15с).';
|
||||
_isLoading = false;
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
subscription = ApiService.instance.messages.listen((message) {
|
||||
|
||||
if (message['seq'] == sentSeq) {
|
||||
timeoutTimer?.cancel(); // Отменяем таймер
|
||||
subscription?.cancel(); // Отменяем подписку
|
||||
_handleResponse(message, requestText); // Обрабатываем ответ
|
||||
}
|
||||
});
|
||||
} catch (e) {
|
||||
timeoutTimer?.cancel();
|
||||
subscription?.cancel();
|
||||
if (mounted) {
|
||||
setState(() {
|
||||
_error = 'Ошибка при отправке запроса: $e';
|
||||
_isLoading = false;
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void _useHistoryItem(RequestHistoryItem item) {
|
||||
|
||||
_requestController.text = item.request;
|
||||
setState(() {
|
||||
_response = item.response;
|
||||
_error = null;
|
||||
});
|
||||
_scrollController.animateTo(
|
||||
0,
|
||||
duration: const Duration(milliseconds: 300),
|
||||
curve: Curves.easeInOut,
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(title: const Text('Custom WebSocket Request')),
|
||||
body: SingleChildScrollView(
|
||||
controller: _scrollController,
|
||||
padding: const EdgeInsets.all(16.0),
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||||
children: [
|
||||
_buildRequestSection(),
|
||||
const SizedBox(height: 24),
|
||||
_buildResponseSection(),
|
||||
const SizedBox(height: 24),
|
||||
if (_history.isNotEmpty) _buildHistoryWidget(),
|
||||
],
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildRequestSection() {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text('Запрос к серверу', style: Theme.of(context).textTheme.titleLarge),
|
||||
const SizedBox(height: 12),
|
||||
TextField(
|
||||
controller: _requestController,
|
||||
decoration: const InputDecoration(
|
||||
border: OutlineInputBorder(),
|
||||
alignLabelWithHint: true,
|
||||
hintText: 'Введите полный JSON запроса...',
|
||||
),
|
||||
keyboardType: TextInputType.multiline,
|
||||
maxLines: 12,
|
||||
style: const TextStyle(fontFamily: 'monospace', fontSize: 14.0),
|
||||
),
|
||||
const SizedBox(height: 16),
|
||||
FilledButton.icon(
|
||||
onPressed: _isLoading ? null : _sendRequest,
|
||||
icon: _isLoading
|
||||
? const SizedBox(
|
||||
width: 20,
|
||||
height: 20,
|
||||
child: CircularProgressIndicator(
|
||||
strokeWidth: 2,
|
||||
color: Colors.white,
|
||||
),
|
||||
)
|
||||
: const Icon(Icons.send),
|
||||
label: Text(_isLoading ? 'Ожидание...' : 'Отправить запрос'),
|
||||
style: FilledButton.styleFrom(
|
||||
padding: const EdgeInsets.symmetric(vertical: 16),
|
||||
minimumSize: const Size(double.infinity, 50),
|
||||
),
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildResponseSection() {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceBetween,
|
||||
children: [
|
||||
Text(
|
||||
'Ответ от сервера',
|
||||
style: Theme.of(context).textTheme.titleLarge,
|
||||
),
|
||||
if (_response != null)
|
||||
IconButton(
|
||||
icon: const Icon(Icons.copy_all_outlined),
|
||||
tooltip: 'Скопировать ответ',
|
||||
onPressed: () {
|
||||
Clipboard.setData(ClipboardData(text: _response!));
|
||||
ScaffoldMessenger.of(context).showSnackBar(
|
||||
const SnackBar(
|
||||
content: Text('Ответ скопирован в буфер обмена'),
|
||||
backgroundColor: Colors.green,
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
const SizedBox(height: 12),
|
||||
Container(
|
||||
width: double.infinity,
|
||||
constraints: const BoxConstraints(minHeight: 150),
|
||||
padding: const EdgeInsets.all(12),
|
||||
decoration: BoxDecoration(
|
||||
color: Theme.of(context).colorScheme.surfaceContainer,
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
border: Border.all(
|
||||
color: Theme.of(context).colorScheme.outline.withOpacity(0.5),
|
||||
),
|
||||
),
|
||||
child: _buildResponseContent(),
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildResponseContent() {
|
||||
if (_isLoading) {
|
||||
return const Center(child: CircularProgressIndicator());
|
||||
}
|
||||
if (_error != null) {
|
||||
return SelectableText(
|
||||
_error!,
|
||||
style: TextStyle(
|
||||
color: Theme.of(context).colorScheme.error,
|
||||
fontFamily: 'monospace',
|
||||
),
|
||||
);
|
||||
}
|
||||
if (_response != null) {
|
||||
return SelectableText(
|
||||
_response!,
|
||||
style: const TextStyle(fontFamily: 'monospace', fontSize: 14),
|
||||
);
|
||||
}
|
||||
return Center(
|
||||
child: Text(
|
||||
'Здесь появится ответ от сервера...',
|
||||
style: TextStyle(color: Theme.of(context).colorScheme.onSurfaceVariant),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildHistoryWidget() {
|
||||
return Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text('История запросов', style: Theme.of(context).textTheme.titleLarge),
|
||||
const SizedBox(height: 12),
|
||||
ListView.builder(
|
||||
shrinkWrap: true,
|
||||
physics: const NeverScrollableScrollPhysics(),
|
||||
itemCount: _history.length,
|
||||
itemBuilder: (context, index) {
|
||||
final item = _history[index];
|
||||
String opcode = 'N/A';
|
||||
try {
|
||||
final decoded = jsonDecode(item.request);
|
||||
opcode = decoded['opcode']?.toString() ?? 'N/A';
|
||||
} catch (_) {}
|
||||
|
||||
return Card(
|
||||
margin: const EdgeInsets.only(bottom: 8),
|
||||
child: ListTile(
|
||||
leading: CircleAvatar(child: Text(opcode)),
|
||||
title: Text(
|
||||
'Request: ${item.request.replaceAll('\n', ' ').substring(0, (item.request.length > 50) ? 50 : item.request.length)}...',
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: const TextStyle(fontFamily: 'monospace'),
|
||||
),
|
||||
subtitle: Text(
|
||||
'${item.timestamp.hour.toString().padLeft(2, '0')}:${item.timestamp.minute.toString().padLeft(2, '0')}:${item.timestamp.second.toString().padLeft(2, '0')}',
|
||||
),
|
||||
onTap: () => _useHistoryItem(item),
|
||||
),
|
||||
);
|
||||
},
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
_requestController.dispose();
|
||||
_scrollController.dispose();
|
||||
super.dispose();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user