init: rough companion app stub

2026-05-07 18:35:58 +02:00
commit 5f017ac05d
73 changed files with 3520 additions and 0 deletions
@@ -0,0 +1,139 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../data/sources/localiser/realtime_data_client.dart';
+import '../../providers.dart';
+
+class LoginScreen extends ConsumerStatefulWidget {
+  const LoginScreen({super.key});
+
+  @override
+  ConsumerState<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends ConsumerState<LoginScreen> {
+  final _usernameController = TextEditingController();
+  final _passwordController = TextEditingController();
+  bool _loading = false;
+  String? _error;
+
+  @override
+  void initState() {
+    super.initState();
+    _tryAutoLogin();
+  }
+
+  @override
+  void dispose() {
+    _usernameController.dispose();
+    _passwordController.dispose();
+    super.dispose();
+  }
+
+  Future<void> _tryAutoLogin() async {
+    final store = ref.read(credentialStoreProvider);
+    final saved = await store.load();
+    if (saved == null || !mounted) return;
+
+    _usernameController.text = saved.username;
+    _passwordController.text = saved.password;
+    await _login(saved.username, saved.password, saveCredentials: false);
+  }
+
+  Future<void> _login(String username, String password,
+      {bool saveCredentials = true}) async {
+    setState(() {
+      _loading = true;
+      _error = null;
+    });
+    try {
+      final client = ref.read(sessionClientProvider);
+      final tokenResponse = await client.login(username, password);
+      final token = tokenResponse.token;
+
+      ref.read(authTokenProvider.notifier).state = token;
+
+      final config = ref.read(serverConfigProvider)!;
+      final realtime = RealtimeDataClient(config: config, token: token);
+      await realtime.connect();
+      ref.read(realtimeDataClientProvider.notifier).state = realtime;
+
+      if (saveCredentials) {
+        await ref
+            .read(credentialStoreProvider)
+            .save((username: username, password: password));
+      }
+
+      if (mounted) context.go('/floorplan');
+    } on Exception catch (e) {
+      setState(() => _error = e.toString());
+    } finally {
+      if (mounted) setState(() => _loading = false);
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('Sign In')),
+      body: Padding(
+        padding: const EdgeInsets.all(24),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            TextField(
+              controller: _usernameController,
+              decoration: const InputDecoration(
+                labelText: 'Username',
+                border: OutlineInputBorder(),
+              ),
+              textInputAction: TextInputAction.next,
+              autofillHints: const [AutofillHints.username],
+            ),
+            const SizedBox(height: 12),
+            TextField(
+              controller: _passwordController,
+              decoration: const InputDecoration(
+                labelText: 'Password',
+                border: OutlineInputBorder(),
+              ),
+              obscureText: true,
+              textInputAction: TextInputAction.done,
+              autofillHints: const [AutofillHints.password],
+              onSubmitted: _loading
+                  ? null
+                  : (_) => _login(
+                        _usernameController.text.trim(),
+                        _passwordController.text,
+                      ),
+            ),
+            const SizedBox(height: 16),
+            if (_error != null)
+              Padding(
+                padding: const EdgeInsets.only(bottom: 12),
+                child: Text(
+                  _error!,
+                  style: TextStyle(color: Theme.of(context).colorScheme.error),
+                ),
+              ),
+            FilledButton(
+              onPressed: _loading
+                  ? null
+                  : () => _login(
+                        _usernameController.text.trim(),
+                        _passwordController.text,
+                      ),
+              child: _loading
+                  ? const SizedBox.square(
+                      dimension: 20,
+                      child: CircularProgressIndicator(strokeWidth: 2),
+                    )
+                  : const Text('Sign in'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}