257 lines
8.3 KiB
Dart
257 lines
8.3 KiB
Dart
// ignore_for_file: use_build_context_synchronously
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import 'dart:async';
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import 'package:dio/dio.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:go_router/go_router.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../../app/app_cubit.dart';
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import '../../app/injection_container.dart';
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import '../../core/constants/app_constants.dart';
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import '../../core/network/api_client.dart';
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import '../../core/services/offline_queue_service.dart';
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import '../../core/services/tts_service.dart';
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import '../../core/services/websocket_service.dart';
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import '../../core/storage/secure_storage.dart';
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// ---------------------------------------------------------------------------
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// LoginScreen
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// ---------------------------------------------------------------------------
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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final _email = TextEditingController();
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final _password = TextEditingController();
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bool _loading = false;
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bool _showPassword = false;
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@override
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void initState() {
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super.initState();
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_loadPendingLoginEmail();
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}
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@override
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void dispose() {
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_email.dispose();
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_password.dispose();
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super.dispose();
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}
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Future<void> _loadPendingLoginEmail() async {
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final prefs = await SharedPreferences.getInstance();
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final pendingEmail = prefs.getString('pending_login_email');
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if (!mounted) return;
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setState(() {
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if (pendingEmail != null && pendingEmail.isNotEmpty) {
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_email.text = pendingEmail;
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}
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});
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await prefs.remove('pending_login_email');
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}
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Future<void> _login() async {
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if (_email.text.trim().isEmpty || _password.text.isEmpty) {
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_snack(context, 'Isi email dan password dulu.');
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return;
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}
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setState(() => _loading = true);
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try {
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final res = await sl<ApiClient>().dio.post('/auth/login', data: {
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'email': _email.text.trim(),
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'password': _password.text,
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});
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await _saveAuthAndRoute(
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context, Map<String, dynamic>.from(res.data['data'] as Map));
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} on DioException catch (e) {
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_snack(context, _friendlyDioMessage(e, fallback: 'Login gagal'));
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} catch (e) {
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_snack(context, 'Login gagal: $e');
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} finally {
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if (mounted) setState(() => _loading = false);
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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 _AuthFrame(
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title: 'Sign in',
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subtitle: 'Masuk sebagai Guardian atau User.',
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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TextField(
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controller: _email,
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keyboardType: TextInputType.emailAddress,
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textInputAction: TextInputAction.next,
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decoration: const InputDecoration(
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labelText: 'Email',
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prefixIcon: Icon(Icons.email_outlined),
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)),
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const SizedBox(height: 12),
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TextField(
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controller: _password,
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obscureText: !_showPassword,
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textInputAction: TextInputAction.done,
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onSubmitted: (_) => _login(),
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decoration: InputDecoration(
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labelText: 'Password',
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prefixIcon: const Icon(Icons.lock_outline),
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suffixIcon: IconButton(
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icon: Icon(
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_showPassword ? Icons.visibility_off : Icons.visibility),
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onPressed: () =>
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setState(() => _showPassword = !_showPassword),
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),
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)),
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const SizedBox(height: 18),
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FilledButton.icon(
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onPressed: _loading ? null : _login,
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icon: _loading
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? const SizedBox(
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width: 18,
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height: 18,
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child: CircularProgressIndicator(strokeWidth: 2))
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: const Icon(Icons.login),
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label: const Text('Login'),
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),
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TextButton(
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onPressed: () => context.go('/register'),
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child: const Text('Buat akun baru')),
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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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// Shared private widgets
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// ---------------------------------------------------------------------------
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class _AuthFrame extends StatelessWidget {
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final String title;
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final String subtitle;
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final Widget child;
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const _AuthFrame(
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{required this.title, required this.subtitle, required this.child});
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Center(
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(24),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 460),
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child: Card(
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(18),
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side: const BorderSide(color: Color(0xFFE2E8F0))),
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child: Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const Icon(Icons.navigation_rounded,
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color: Color(0xFF1A56DB), size: 42),
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const SizedBox(height: 14),
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Text(title,
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textAlign: TextAlign.center,
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style: Theme.of(context)
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.textTheme
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.headlineSmall
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?.copyWith(fontWeight: FontWeight.w800)),
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const SizedBox(height: 4),
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Text(subtitle,
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textAlign: TextAlign.center,
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style: const TextStyle(color: Color(0xFF64748B))),
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const SizedBox(height: 22),
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child,
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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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// Helpers (shared for login flow)
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// ---------------------------------------------------------------------------
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Future<void> _saveAuthAndRoute(
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BuildContext context, Map<String, dynamic> data) async {
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await sl<SecureStorage>().saveTokens(
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accessToken: data['accessToken'],
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refreshToken: data['refreshToken'],
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role: data['role'],
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userId: data['userId'].toString(),
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displayName: data['displayName'],
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uniqueUserId: data['uniqueUserId'],
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);
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final serverUrl = await AppConstants.getServerUrl();
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if (serverUrl != null) {
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context
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.read<AppCubit>()
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.setSession(role: data['role'], serverUrl: serverUrl);
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_startPostLoginServices(serverUrl);
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}
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sl<TtsService>().speak('Selamat datang ${data['displayName'] ?? ''}');
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if (context.mounted) {
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context.go(data['role'] == 'ROLE_GUARDIAN'
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? '/guardian/dashboard'
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: '/user/walkguide');
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}
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}
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void _startPostLoginServices(String serverUrl) {
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Future.microtask(() async {
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try {
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await sl<WebSocketService>()
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.connect(serverUrl)
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.timeout(const Duration(seconds: 2));
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await sl<OfflineQueueService>()
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.syncPending(sl<ApiClient>())
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.timeout(const Duration(seconds: 3));
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} catch (e) {
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debugPrint('Post-login services skipped: $e');
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}
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});
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}
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void _snack(BuildContext context, String message) {
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if (context.mounted) {
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ScaffoldMessenger.of(context)
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.showSnackBar(SnackBar(content: Text(message)));
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}
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}
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String _friendlyDioMessage(DioException e, {required String fallback}) {
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final data = e.response?.data;
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if (data is Map && data['message'] != null) return data['message'].toString();
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if (e.response?.statusCode == 401) {
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return 'Email atau password salah.';
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}
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if (e.type == DioExceptionType.connectionTimeout ||
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e.type == DioExceptionType.receiveTimeout) {
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return 'Server terlalu lama merespons. Pastikan backend masih running dan URL server benar.';
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}
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if (e.type == DioExceptionType.connectionError) {
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return 'Tidak bisa ke server. Di Chrome pakai http://localhost:8080. Di HP pakai IP laptop/server, bukan localhost.';
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}
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return fallback;
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}
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