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 +1,31 @@
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+typedef Credentials = ({String username, String password});
+
+class CredentialStore {
+  static const _usernameKey = 'localiserd_username';
+  static const _passwordKey = 'localiserd_password';
+
+  final _storage = const FlutterSecureStorage();
+
+  Future<void> save(Credentials credentials) => Future.wait([
+        _storage.write(key: _usernameKey, value: credentials.username),
+        _storage.write(key: _passwordKey, value: credentials.password),
+      ]).then((_) {});
+
+  Future<Credentials?> load() async {
+    final results = await Future.wait([
+      _storage.read(key: _usernameKey),
+      _storage.read(key: _passwordKey),
+    ]);
+    final username = results[0];
+    final password = results[1];
+    if (username == null || password == null) return null;
+    return (username: username, password: password);
+  }
+
+  Future<void> clear() => Future.wait([
+        _storage.delete(key: _usernameKey),
+        _storage.delete(key: _passwordKey),
+      ]).then((_) {});
+}