Implement last heard and info
This commit is contained in:
276
lib/views/last_heard_view.dart
Normal file
276
lib/views/last_heard_view.dart
Normal file
@@ -0,0 +1,276 @@
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import 'dart:async';
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import 'dart:convert';
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import 'package:flutter/material.dart';
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import '../models/last_heard_item.dart';
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import '../services/lastheard_websocket_client.dart';
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class LastHeardView extends StatefulWidget {
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const LastHeardView({super.key});
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@override
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State<LastHeardView> createState() => _LastHeardViewState();
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}
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class _LastHeardViewState extends State<LastHeardView> {
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LastHeardWebSocketClient? _wsClient;
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StreamSubscription<Map<String, dynamic>>? _wsSubscription;
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final List<LastHeardItem> _items = [];
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static const int _maxItems = 200;
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bool _isConnecting = true;
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@override
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void initState() {
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super.initState();
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_connectWebSocket();
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}
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@override
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void dispose() {
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_wsSubscription?.cancel();
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_wsClient?.dispose();
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super.dispose();
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}
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Future<void> _connectWebSocket() async {
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setState(() {
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_isConnecting = true;
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});
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_wsClient = LastHeardWebSocketClient();
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await _wsClient!.connect();
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_wsSubscription = _wsClient!.messageStream.listen((message) {
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if (message['event'] == 'mqtt' && message['data'] is Map) {
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_handleMqttMessage(message['data'] as Map<String, dynamic>);
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}
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});
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setState(() {
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_isConnecting = false;
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});
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}
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void _handleMqttMessage(Map<String, dynamic> data) {
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try {
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final topic = data['topic'] as String?;
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if (topic == 'LH') {
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final payloadStr = data['payload'] as String?;
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if (payloadStr != null) {
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final payload = jsonDecode(payloadStr) as Map<String, dynamic>;
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final item = LastHeardItem.fromJson(payload);
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setState(() {
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// Add to the beginning of the list
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_items.insert(0, item);
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// Keep only the latest 200 items
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if (_items.length > _maxItems) {
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_items.removeRange(_maxItems, _items.length);
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}
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});
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}
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}
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} catch (e) {
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debugPrint('Error handling MQTT message: $e');
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text('Last Heard'),
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actions: [
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if (_items.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(right: 16),
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child: Center(
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child: Text(
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'${_items.length} ${_items.length == 1 ? "entry" : "entries"}',
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Theme.of(context).colorScheme.onPrimaryContainer,
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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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body: _buildBody(),
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);
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}
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Widget _buildBody() {
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if (_isConnecting) {
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return const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircularProgressIndicator(),
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SizedBox(height: 16),
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Text('Connecting to Last Heard...'),
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],
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),
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);
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}
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if (_items.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.history,
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size: 64,
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color: Colors.grey[400],
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),
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const SizedBox(height: 16),
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Text(
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'No activity yet',
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style: Theme.of(context).textTheme.titleLarge,
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),
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const SizedBox(height: 8),
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Text(
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'Waiting for Last Heard data...',
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style: TextStyle(color: Colors.grey[600]),
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),
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],
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),
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);
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}
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return ListView.builder(
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itemCount: _items.length,
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itemBuilder: (context, index) {
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final item = _items[index];
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return _LastHeardItemTile(item: item);
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},
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);
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}
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}
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class _LastHeardItemTile extends StatelessWidget {
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final LastHeardItem item;
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const _LastHeardItemTile({required this.item});
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Color _getEventColor() {
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switch (item.event) {
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case 'Session-Start':
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return Colors.green;
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case 'Session-Stop':
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return Colors.red;
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default:
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return Colors.blue;
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}
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}
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IconData _getEventIcon() {
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switch (item.event) {
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case 'Session-Start':
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return Icons.phone_in_talk;
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case 'Session-Stop':
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return Icons.call_end;
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default:
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return Icons.radio;
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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 eventColor = _getEventColor();
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return Card(
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margin: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: ListTile(
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leading: CircleAvatar(
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backgroundColor: eventColor.withValues(alpha: 0.2),
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child: Icon(
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_getEventIcon(),
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color: eventColor,
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size: 20,
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),
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),
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title: Row(
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children: [
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Expanded(
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child: Text(
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item.displayName,
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style: const TextStyle(fontWeight: FontWeight.bold),
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),
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),
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if (item.rssi != null)
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
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decoration: BoxDecoration(
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color: Colors.grey[200],
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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'${item.rssi} dBm',
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style: TextStyle(
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fontSize: 11,
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color: Colors.grey[700],
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),
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),
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),
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],
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),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const SizedBox(height: 4),
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Row(
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children: [
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Icon(Icons.arrow_forward, size: 12, color: Colors.grey[600]),
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const SizedBox(width: 4),
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Expanded(
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child: Text(
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item.destinationDisplayName,
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style: TextStyle(color: Colors.grey[700]),
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),
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),
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],
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),
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const SizedBox(height: 2),
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Row(
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children: [
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Container(
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padding:
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const EdgeInsets.symmetric(horizontal: 4, vertical: 1),
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decoration: BoxDecoration(
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color: eventColor.withValues(alpha: 0.1),
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borderRadius: BorderRadius.circular(3),
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),
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child: Text(
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'TS${item.slot}',
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style: TextStyle(
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fontSize: 10,
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color: eventColor,
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fontWeight: FontWeight.bold,
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),
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),
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),
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const SizedBox(width: 6),
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Text(
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item.linkTypeName,
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style: TextStyle(fontSize: 11, color: Colors.grey[600]),
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),
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const SizedBox(width: 6),
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Text(
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'•',
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style: TextStyle(color: Colors.grey[400]),
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),
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const SizedBox(width: 6),
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Text(
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item.timeAgo,
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style: TextStyle(fontSize: 11, color: Colors.grey[600]),
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),
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],
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),
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],
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),
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isThreeLine: true,
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),
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);
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}
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}
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