mirror of
https://github.com/dz0ny/meshcore-sar.git
synced 2026-08-11 16:30:28 +00:00
848 lines
30 KiB
Dart
848 lines
30 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:provider/provider.dart';
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import 'package:geolocator/geolocator.dart';
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import '../providers/messages_provider.dart';
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import '../providers/contacts_provider.dart';
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import '../providers/map_provider.dart';
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import '../providers/connection_provider.dart';
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import '../models/message.dart';
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import '../models/sar_marker.dart';
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import '../widgets/messages/sar_update_sheet.dart';
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class MessagesTab extends StatefulWidget {
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final VoidCallback onNavigateToMap;
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const MessagesTab({super.key, required this.onNavigateToMap});
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@override
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State<MessagesTab> createState() => _MessagesTabState();
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}
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class _MessagesTabState extends State<MessagesTab> {
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final TextEditingController _textController = TextEditingController();
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final FocusNode _focusNode = FocusNode();
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int _characterCount = 0;
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static const int _maxCharacters = 160;
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@override
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void initState() {
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super.initState();
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_textController.addListener(_updateCharacterCount);
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}
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@override
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void dispose() {
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_textController.dispose();
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_focusNode.dispose();
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super.dispose();
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}
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void _updateCharacterCount() {
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setState(() {
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_characterCount = _textController.text.length;
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});
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}
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Future<void> _sendMessage() async {
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final text = _textController.text.trim();
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if (text.isEmpty) return;
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final connectionProvider = context.read<ConnectionProvider>();
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final messagesProvider = context.read<MessagesProvider>();
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if (!connectionProvider.deviceInfo.isConnected) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Not connected to device'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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try {
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// Create message ID
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final messageId = '${DateTime.now().millisecondsSinceEpoch}_channel_sent';
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final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
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// Get current device's public key (first 6 bytes)
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final devicePublicKey = connectionProvider.deviceInfo.publicKey;
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final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
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// Create sent message object
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final sentMessage = Message(
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id: messageId,
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messageType: MessageType.channel,
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senderPublicKeyPrefix: senderPublicKeyPrefix,
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pathLen: 0,
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textType: MessageTextType.plain,
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senderTimestamp: timestamp,
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text: text,
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receivedAt: DateTime.now(),
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deliveryStatus: MessageDeliveryStatus.sending,
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channelIdx: 0,
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);
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// Add to messages list with "sending" status
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messagesProvider.addSentMessage(sentMessage);
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// Send to public channel (channel 0)
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await connectionProvider.sendChannelMessage(
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channelIdx: 0,
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text: text,
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messageId: messageId,
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);
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_textController.clear();
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_focusNode.unfocus();
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Message sent to public channel'),
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backgroundColor: Colors.green,
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duration: Duration(seconds: 1),
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),
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);
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Failed to send: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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void _showSarDialog() {
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showModalBottomSheet(
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context: context,
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isScrollControlled: true,
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backgroundColor: Colors.transparent,
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builder: (context) => SarUpdateSheet(
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onSend: (sarType, position, notes, roomPublicKey, sendToChannel) async {
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await _sendSarMessage(sarType, position, notes, roomPublicKey, sendToChannel);
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},
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),
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);
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}
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Future<void> _sendSarMessage(
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SarMarkerType sarType,
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Position position,
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String? notes,
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Uint8List? roomPublicKey,
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bool sendToChannel,
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) async {
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final connectionProvider = context.read<ConnectionProvider>();
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final messagesProvider = context.read<MessagesProvider>();
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if (!connectionProvider.deviceInfo.isConnected) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Not connected to device'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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if (!sendToChannel && roomPublicKey == null) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Please select a room to send SAR marker'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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try {
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// Format: S:<emoji>:<latitude>,<longitude>
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final sarMessage = 'S:${sarType.emoji}:${position.latitude},${position.longitude}';
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// Add notes if provided
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final fullMessage = notes != null && notes.isNotEmpty
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? '$sarMessage $notes'
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: sarMessage;
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if (sendToChannel) {
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// Send to public channel (ephemeral, over-the-air only)
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await connectionProvider.sendChannelMessage(
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channelIdx: 0,
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text: fullMessage,
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);
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('${sarType.displayName} marker broadcast to public channel'),
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backgroundColor: Colors.orange,
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duration: const Duration(seconds: 2),
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),
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);
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} else {
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// Create message ID
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final messageId = '${DateTime.now().millisecondsSinceEpoch}_sent';
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final timestamp = DateTime.now().millisecondsSinceEpoch ~/ 1000;
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// Get current device's public key (first 6 bytes)
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final devicePublicKey = connectionProvider.deviceInfo.publicKey;
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final senderPublicKeyPrefix = devicePublicKey?.sublist(0, 6);
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// Create sent message object with recipient public key for retry support
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final sentMessage = Message(
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id: messageId,
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messageType: MessageType.contact,
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senderPublicKeyPrefix: senderPublicKeyPrefix,
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pathLen: 0,
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textType: MessageTextType.plain,
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senderTimestamp: timestamp,
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text: fullMessage,
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receivedAt: DateTime.now(),
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deliveryStatus: MessageDeliveryStatus.sending,
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recipientPublicKey: roomPublicKey, // Store recipient for retry
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// SAR marker data is automatically added by SarMessageParser.enhanceMessage in MessagesProvider
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);
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// Add to messages list with "sending" status
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messagesProvider.addSentMessage(sentMessage);
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// Send SAR message to selected room (persisted and immutable)
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final sentSuccessfully = await connectionProvider.sendTextMessage(
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contactPublicKey: roomPublicKey!,
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text: fullMessage,
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messageId: messageId, // Pass message ID so it can be tracked
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);
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if (!sentSuccessfully) {
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// Mark message as failed if sending failed
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messagesProvider.markMessageFailed(messageId);
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}
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('${sarType.displayName} marker sent to room'),
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backgroundColor: Colors.green,
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duration: const Duration(seconds: 2),
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),
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);
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}
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} catch (e) {
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if (!mounted) return;
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Failed to send SAR marker: $e'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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// Removed _handleRefresh() - messages are synced automatically via PUSH_CODE_MSG_WAITING events
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List<Message> _getFilteredMessages(MessagesProvider messagesProvider) {
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// Show ALL messages regardless of recipient selection
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// The recipient selector only controls where NEW messages are sent
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return messagesProvider.getRecentMessages(count: 100);
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}
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@override
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Widget build(BuildContext context) {
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return Consumer<MessagesProvider>(
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builder: (context, messagesProvider, child) {
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final messages = _getFilteredMessages(messagesProvider);
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return Column(
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children: [
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// Messages list
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Expanded(
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child: messages.isEmpty
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? 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.message_outlined,
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size: 64,
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color: Theme.of(context).disabledColor,
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),
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const SizedBox(height: 16),
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Text(
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'No messages 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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'Connect to a device to start receiving messages',
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style: Theme.of(context).textTheme.bodyMedium,
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textAlign: TextAlign.center,
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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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reverse: true,
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padding: const EdgeInsets.all(8),
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itemCount: messages.length,
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itemBuilder: (context, index) {
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final message = messages[index];
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return _MessageBubble(
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message: message,
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onTap: message.isSarMarker &&
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message.sarGpsCoordinates != null
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? () {
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final mapProvider =
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context.read<MapProvider>();
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mapProvider.navigateToLocation(
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location: message.sarGpsCoordinates!,
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zoom: 15.0,
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);
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widget.onNavigateToMap();
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}
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: null,
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);
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},
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),
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),
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// Message input area
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Container(
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surface,
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border: Border(
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top: BorderSide(
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color: Theme.of(context).dividerColor,
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width: 1,
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),
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),
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),
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 8),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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// SAR quick action button
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IconButton(
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icon: const Icon(Icons.add_location_alt),
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tooltip: 'Send SAR marker',
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onPressed: _showSarDialog,
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style: IconButton.styleFrom(
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backgroundColor: Theme.of(context).colorScheme.primaryContainer,
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foregroundColor: Theme.of(context).colorScheme.onPrimaryContainer,
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),
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),
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const SizedBox(width: 8),
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// Text field with embedded send button
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Expanded(
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child: TextField(
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controller: _textController,
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focusNode: _focusNode,
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maxLength: _maxCharacters,
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maxLines: null,
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maxLengthEnforcement: MaxLengthEnforcement.enforced,
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style: const TextStyle(fontSize: 14),
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decoration: InputDecoration(
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hintText: 'Type a message...',
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hintStyle: const TextStyle(fontSize: 14),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(24),
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),
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 10,
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),
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isDense: true,
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counterText: _characterCount >= 150
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? '$_characterCount/$_maxCharacters'
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: '',
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counterStyle: TextStyle(
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fontSize: 10,
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color: _characterCount > _maxCharacters * 0.9
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? Colors.orange
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: Theme.of(context).textTheme.bodySmall?.color,
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),
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suffixIcon: IconButton(
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icon: Icon(
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Icons.send_rounded,
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size: 22,
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color: _textController.text.trim().isEmpty
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? Theme.of(context).disabledColor
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: Theme.of(context).colorScheme.primary,
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),
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onPressed: _textController.text.trim().isEmpty
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? null
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: _sendMessage,
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tooltip: 'Send',
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),
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),
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textInputAction: TextInputAction.send,
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onSubmitted: (_) => _sendMessage(),
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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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class _MessageBubble extends StatelessWidget {
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final Message message;
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final VoidCallback? onTap;
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const _MessageBubble({
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required this.message,
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this.onTap,
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});
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Future<void> _retryFailedMessage(BuildContext context, Message failedMessage) async {
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final connectionProvider = context.read<ConnectionProvider>();
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final messagesProvider = context.read<MessagesProvider>();
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if (!connectionProvider.deviceInfo.isConnected) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Not connected to device'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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try {
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// Create new message ID for retry
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final retryMessageId = '${failedMessage.id}_retry';
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// Create retry message
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final retryMessage = failedMessage.copyWith(
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id: retryMessageId,
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deliveryStatus: MessageDeliveryStatus.sending,
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);
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// Add retry message to provider
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messagesProvider.addSentMessage(retryMessage);
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// Resend the message
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if (failedMessage.messageType == MessageType.contact) {
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// Direct message retry (for SAR markers sent to rooms)
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if (failedMessage.recipientPublicKey == null) {
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messagesProvider.markMessageFailed(retryMessageId);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Cannot retry: recipient information missing'),
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backgroundColor: Colors.red,
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),
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);
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return;
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}
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// Resend to the same room
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final sentSuccessfully = await connectionProvider.sendTextMessage(
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contactPublicKey: failedMessage.recipientPublicKey!,
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text: failedMessage.text,
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messageId: retryMessageId,
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);
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if (!sentSuccessfully) {
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messagesProvider.markMessageFailed(retryMessageId);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Failed to resend message'),
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backgroundColor: Colors.red,
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),
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);
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} else {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Retrying message...'),
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backgroundColor: Colors.orange,
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duration: Duration(seconds: 2),
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),
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);
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}
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} else if (failedMessage.messageType == MessageType.channel) {
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// Channel message retry
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await connectionProvider.sendChannelMessage(
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channelIdx: failedMessage.channelIdx ?? 0,
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text: failedMessage.text,
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messageId: retryMessageId,
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);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Retrying message...'),
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backgroundColor: Colors.orange,
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duration: const Duration(seconds: 2),
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),
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);
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}
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} catch (e) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Retry failed: $e'),
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backgroundColor: Colors.red,
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),
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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 isSarMarker = message.isSarMarker;
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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// Get device's own public key from ConnectionProvider
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final connectionProvider = context.read<ConnectionProvider>();
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final selfPublicKey = connectionProvider.deviceInfo.publicKey;
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final isOwnMessage = message.isFromSelf(selfPublicKey);
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// Debug: Log message details
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if (message.text.startsWith('S:')) {
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debugPrint('🎨 [MessageBubble] Rendering SAR message:');
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debugPrint(' Text: ${message.text}');
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debugPrint(' isSarMarker: $isSarMarker');
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debugPrint(' sarMarkerType: ${message.sarMarkerType}');
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}
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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.only(bottom: 12),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: isSarMarker
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? _getSarMarkerColor(context, isDarkMode)
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: _getMessageBubbleColor(context, isOwnMessage, isDarkMode),
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borderRadius: BorderRadius.circular(16),
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border: isSarMarker
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? Border.all(
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color: _getSarMarkerBorderColor(context, isDarkMode),
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width: 3,
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)
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: isOwnMessage
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? Border.all(
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color: Theme.of(context).colorScheme.primary.withValues(alpha: 0.3),
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width: 2,
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)
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: null,
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boxShadow: isSarMarker
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? [
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BoxShadow(
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color: _getSarMarkerBorderColor(context, isDarkMode).withValues(alpha: 0.3),
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blurRadius: 8,
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offset: const Offset(0, 2),
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),
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]
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: null,
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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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// Header: Sender and time
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|
Row(
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children: [
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if (isSarMarker)
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(
|
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horizontal: 10,
|
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vertical: 4,
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),
|
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decoration: BoxDecoration(
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color: _getSarMarkerBorderColor(context, isDarkMode),
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borderRadius: BorderRadius.circular(6),
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),
|
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child: Row(
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|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
const Icon(
|
|
Icons.warning_amber_rounded,
|
|
size: 16,
|
|
color: Colors.white,
|
|
),
|
|
const SizedBox(width: 4),
|
|
Text(
|
|
'SAR ALERT',
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
color: Colors.white,
|
|
fontWeight: FontWeight.bold,
|
|
letterSpacing: 0.5,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
)
|
|
else ...[
|
|
if (isOwnMessage)
|
|
Icon(Icons.account_circle, size: 16, color: Theme.of(context).colorScheme.primary)
|
|
else if (message.isChannelMessage)
|
|
const Icon(Icons.tag, size: 16)
|
|
else
|
|
const Icon(Icons.person, size: 16),
|
|
const SizedBox(width: 4),
|
|
Text(
|
|
isOwnMessage ? 'You' : message.displaySender,
|
|
style: Theme.of(context).textTheme.labelMedium?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
color: isOwnMessage ? Theme.of(context).colorScheme.primary : null,
|
|
),
|
|
),
|
|
],
|
|
const Spacer(),
|
|
Text(
|
|
message.timeAgo,
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
fontWeight: isSarMarker ? FontWeight.w600 : FontWeight.normal,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 12),
|
|
|
|
// SAR marker content (simplified design matching message history)
|
|
if (isSarMarker && message.sarMarkerType != null) ...[
|
|
Row(
|
|
children: [
|
|
Text(
|
|
message.sarMarkerType!.emoji,
|
|
style: const TextStyle(fontSize: 32),
|
|
),
|
|
const SizedBox(width: 12),
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(
|
|
message.sarMarkerType!.displayName,
|
|
style: Theme.of(context).textTheme.titleMedium?.copyWith(
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
if (message.sarGpsCoordinates != null)
|
|
Text(
|
|
'${message.sarGpsCoordinates!.latitude.toStringAsFixed(5)}, ${message.sarGpsCoordinates!.longitude.toStringAsFixed(5)}',
|
|
style: Theme.of(context).textTheme.bodySmall?.copyWith(
|
|
fontFamily: 'monospace',
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
Icon(
|
|
Icons.chevron_right,
|
|
color: Theme.of(context).colorScheme.primary,
|
|
),
|
|
],
|
|
),
|
|
const SizedBox(height: 4),
|
|
Text(
|
|
'Tap to view on map',
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
color: Theme.of(context).colorScheme.primary,
|
|
fontStyle: FontStyle.italic,
|
|
),
|
|
),
|
|
]
|
|
// Regular message content
|
|
else
|
|
Text(
|
|
message.text,
|
|
style: Theme.of(context).textTheme.bodyMedium,
|
|
),
|
|
|
|
// Delivery status for sent messages
|
|
if (message.isSentMessage) ...[
|
|
const SizedBox(height: 8),
|
|
Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Icon(
|
|
_getDeliveryStatusIcon(message.deliveryStatus),
|
|
size: 14,
|
|
color: _getDeliveryStatusColor(message.deliveryStatus),
|
|
),
|
|
const SizedBox(width: 4),
|
|
Text(
|
|
message.deliveryStatusText,
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
color: _getDeliveryStatusColor(message.deliveryStatus),
|
|
fontStyle: FontStyle.italic,
|
|
),
|
|
),
|
|
// Show retry button for failed messages
|
|
if (message.deliveryStatus == MessageDeliveryStatus.failed) ...[
|
|
const SizedBox(width: 8),
|
|
GestureDetector(
|
|
onTap: () => _retryFailedMessage(context, message),
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
|
|
decoration: BoxDecoration(
|
|
color: Colors.orange.withOpacity(0.2),
|
|
borderRadius: BorderRadius.circular(4),
|
|
border: Border.all(color: Colors.orange, width: 1),
|
|
),
|
|
child: Row(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
const Icon(Icons.refresh, size: 12, color: Colors.orange),
|
|
const SizedBox(width: 4),
|
|
Text(
|
|
'Retry',
|
|
style: Theme.of(context).textTheme.labelSmall?.copyWith(
|
|
color: Colors.orange,
|
|
fontWeight: FontWeight.bold,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
],
|
|
],
|
|
),
|
|
],
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
IconData _getDeliveryStatusIcon(MessageDeliveryStatus status) {
|
|
switch (status) {
|
|
case MessageDeliveryStatus.sending:
|
|
return Icons.schedule;
|
|
case MessageDeliveryStatus.sent:
|
|
return Icons.check;
|
|
case MessageDeliveryStatus.delivered:
|
|
return Icons.done_all;
|
|
case MessageDeliveryStatus.failed:
|
|
return Icons.error_outline;
|
|
case MessageDeliveryStatus.received:
|
|
return Icons.inbox;
|
|
}
|
|
}
|
|
|
|
Color _getDeliveryStatusColor(MessageDeliveryStatus status) {
|
|
switch (status) {
|
|
case MessageDeliveryStatus.sending:
|
|
return Colors.orange;
|
|
case MessageDeliveryStatus.sent:
|
|
return Colors.blue;
|
|
case MessageDeliveryStatus.delivered:
|
|
return Colors.green;
|
|
case MessageDeliveryStatus.failed:
|
|
return Colors.red;
|
|
case MessageDeliveryStatus.received:
|
|
return Colors.grey;
|
|
}
|
|
}
|
|
|
|
Color _getMessageBubbleColor(BuildContext context, bool isOwnMessage, bool isDarkMode) {
|
|
if (isOwnMessage) {
|
|
// Own messages: slightly highlighted with primary color tint
|
|
return isDarkMode
|
|
? Theme.of(context).colorScheme.primaryContainer.withValues(alpha: 0.3)
|
|
: Theme.of(context).colorScheme.primaryContainer.withValues(alpha: 0.15);
|
|
} else {
|
|
// Others' messages: default surface color
|
|
return Theme.of(context).colorScheme.surfaceVariant;
|
|
}
|
|
}
|
|
|
|
Color _getSarMarkerColor(BuildContext context, bool isDarkMode) {
|
|
if (message.sarMarkerType == null) {
|
|
return Theme.of(context).colorScheme.primaryContainer;
|
|
}
|
|
|
|
// Use type-specific colors with alpha for background
|
|
switch (message.sarMarkerType!) {
|
|
case SarMarkerType.foundPerson:
|
|
return isDarkMode
|
|
? const Color(0xFF1B5E20).withValues(alpha: 0.4) // Dark green
|
|
: const Color(0xFFC8E6C9).withValues(alpha: 0.9); // Light green
|
|
case SarMarkerType.fire:
|
|
return isDarkMode
|
|
? const Color(0xFFB71C1C).withValues(alpha: 0.4) // Dark red
|
|
: const Color(0xFFFFCDD2).withValues(alpha: 0.9); // Light red
|
|
case SarMarkerType.stagingArea:
|
|
return isDarkMode
|
|
? const Color(0xFF0D47A1).withValues(alpha: 0.4) // Dark blue
|
|
: const Color(0xFFBBDEFB).withValues(alpha: 0.9); // Light blue
|
|
case SarMarkerType.object:
|
|
return isDarkMode
|
|
? const Color(0xFF4A148C).withValues(alpha: 0.4) // Dark purple
|
|
: const Color(0xFFE1BEE7).withValues(alpha: 0.9); // Light purple
|
|
case SarMarkerType.unknown:
|
|
return isDarkMode
|
|
? const Color(0xFF424242).withValues(alpha: 0.4) // Dark gray
|
|
: const Color(0xFFEEEEEE).withValues(alpha: 0.9); // Light gray
|
|
}
|
|
}
|
|
|
|
Color _getSarMarkerBorderColor(BuildContext context, bool isDarkMode) {
|
|
if (message.sarMarkerType == null) {
|
|
return Theme.of(context).colorScheme.primary;
|
|
}
|
|
|
|
// Use vibrant type-specific colors for borders
|
|
switch (message.sarMarkerType!) {
|
|
case SarMarkerType.foundPerson:
|
|
return const Color(0xFF4CAF50); // Green
|
|
case SarMarkerType.fire:
|
|
return const Color(0xFFF44336); // Red
|
|
case SarMarkerType.stagingArea:
|
|
return const Color(0xFF2196F3); // Blue
|
|
case SarMarkerType.object:
|
|
return const Color(0xFF9C27B0); // Purple
|
|
case SarMarkerType.unknown:
|
|
return const Color(0xFF9E9E9E); // Gray
|
|
}
|
|
}
|
|
|
|
/// Extract notes from SAR message text
|
|
/// Returns text after the SAR marker format, or null if none
|
|
String? _extractNotesFromMessage(String text) {
|
|
final trimmed = text.trim();
|
|
if (!trimmed.startsWith('S:')) return null;
|
|
|
|
// Extract first line
|
|
final firstLine = trimmed.split('\n').first;
|
|
|
|
// Find the end of coordinates (after second colon and comma-separated numbers)
|
|
final pattern = RegExp(r'^S:.:(-?\d+\.?\d*),(-?\d+\.?\d*)');
|
|
final match = pattern.firstMatch(firstLine);
|
|
if (match == null) return null;
|
|
|
|
// Extract notes from same line
|
|
String? notes;
|
|
if (match.end < firstLine.length) {
|
|
notes = firstLine.substring(match.end).trim();
|
|
}
|
|
|
|
// Check for multi-line notes
|
|
final lines = trimmed.split('\n');
|
|
if (lines.length > 1) {
|
|
final additionalNotes = lines.sublist(1).join('\n').trim();
|
|
if (additionalNotes.isNotEmpty) {
|
|
notes = notes != null && notes.isNotEmpty
|
|
? '$notes\n$additionalNotes'
|
|
: additionalNotes;
|
|
}
|
|
}
|
|
|
|
return notes != null && notes.isNotEmpty ? notes : null;
|
|
}
|
|
}
|
|
|