Phase 2 scaffold: mitra online status & pairing logic

Add mitra online/offline status with heartbeat-based auto-offline,
customer-mitra pairing via Valkey pub/sub blast, session management,
and control center dashboard with real-time stats.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-04-05 23:17:49 +08:00
parent a7a2a32d27
commit d668112edd
44 changed files with 2800 additions and 80 deletions

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import '../../../core/pairing/pairing_bloc.dart';
class BestieFoundScreen extends StatelessWidget {
final String sessionId;
final String mitraName;
const BestieFoundScreen({
super.key,
required this.sessionId,
required this.mitraName,
});
@override
Widget build(BuildContext context) {
return BlocListener<PairingBloc, PairingState>(
listener: (context, state) {
if (state is PairingActive) {
context.go('/chat/session/${state.sessionId}', extra: state.mitraName);
}
},
child: Scaffold(
body: Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.check_circle, size: 80, color: Colors.green),
const SizedBox(height: 24),
const Text(
'Bestie ditemukan!',
style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
Text(
'Menghubungkan kamu ke $mitraName',
textAlign: TextAlign.center,
style: const TextStyle(fontSize: 16, color: Colors.grey),
),
const SizedBox(height: 24),
const CircularProgressIndicator(),
],
),
),
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
class NoBestieScreen extends StatelessWidget {
const NoBestieScreen({super.key});
@override
Widget build(BuildContext context) {
return Scaffold(
body: Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.sentiment_dissatisfied, size: 80, color: Colors.orange),
const SizedBox(height: 24),
const Text(
'Bestie belum tersedia',
style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Maaf, semua Bestie sedang sibuk. Coba lagi nanti ya.',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16, color: Colors.grey),
),
const SizedBox(height: 48),
ElevatedButton(
onPressed: () => context.go('/home'),
child: const Text('Kembali'),
),
],
),
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import '../../../core/pairing/pairing_bloc.dart';
class SearchingScreen extends StatelessWidget {
const SearchingScreen({super.key});
@override
Widget build(BuildContext context) {
return BlocListener<PairingBloc, PairingState>(
listener: (context, state) {
if (state is PairingBestieFound) {
context.go('/chat/found', extra: {
'sessionId': state.sessionId,
'mitraName': state.mitraName,
});
} else if (state is PairingNoBestie) {
context.go('/chat/no-bestie');
} else if (state is PairingCancelled) {
context.go('/home');
}
},
child: Scaffold(
body: Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const CircularProgressIndicator(),
const SizedBox(height: 32),
const Text(
'Mencari Bestie...',
style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
),
const SizedBox(height: 8),
const Text(
'Tunggu sebentar ya, kami sedang mencarikan Bestie untukmu',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 16, color: Colors.grey),
),
const SizedBox(height: 48),
OutlinedButton(
onPressed: () => context.read<PairingBloc>().add(CancelPairing()),
child: const Text('Batalkan'),
),
],
),
),
),
),
);
}
}

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import 'package:flutter/material.dart';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:go_router/go_router.dart';
import '../../../core/api/api_client.dart';
class SessionActiveScreen extends StatelessWidget {
final String sessionId;
final String mitraName;
const SessionActiveScreen({
super.key,
required this.sessionId,
required this.mitraName,
});
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Sesi Aktif'),
automaticallyImplyLeading: false,
),
body: Center(
child: Padding(
padding: const EdgeInsets.all(32),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.chat_bubble, size: 80, color: Colors.blue),
const SizedBox(height: 24),
Text(
'Terhubung dengan $mitraName',
style: const TextStyle(fontSize: 20, fontWeight: FontWeight.bold),
textAlign: TextAlign.center,
),
const SizedBox(height: 8),
const Text(
'Sesi chat akan tersedia di fase berikutnya.',
textAlign: TextAlign.center,
style: TextStyle(fontSize: 14, color: Colors.grey),
),
const SizedBox(height: 48),
ElevatedButton(
style: ElevatedButton.styleFrom(backgroundColor: Colors.red),
onPressed: () => _endSession(context),
child: const Text('Akhiri Sesi', style: TextStyle(color: Colors.white)),
),
],
),
),
),
);
}
Future<void> _endSession(BuildContext context) async {
final confirmed = await showDialog<bool>(
context: context,
builder: (ctx) => AlertDialog(
title: const Text('Akhiri Sesi?'),
content: const Text('Apakah kamu yakin ingin mengakhiri sesi ini?'),
actions: [
TextButton(onPressed: () => Navigator.of(ctx).pop(false), child: const Text('Batal')),
TextButton(onPressed: () => Navigator.of(ctx).pop(true), child: const Text('Ya, Akhiri')),
],
),
);
if (confirmed == true && context.mounted) {
try {
final apiClient = context.read<ApiClient>();
await apiClient.post('/api/client/chat/session/$sessionId/end');
if (context.mounted) context.go('/home');
} catch (_) {
if (context.mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Gagal mengakhiri sesi. Coba lagi.')),
);
}
}
}
}
}