Initial commit

lib/services/authservice.dart

@@ -0,0 +1,68 @@
+import 'package:provider/provider.dart';
+import 'package:flutter/foundation.dart';
+import 'package:mileograph_flutter/objects/objects.dart';
+import 'package:mileograph_flutter/services/apiService.dart';
+
+class AuthService extends ChangeNotifier {
+  final ApiService api;
+
+  AuthService({required this.api});
+
+  AuthenticatedUserData? _user;
+
+  bool get isLoggedIn => _user != null;
+  String? get token => _user?.access_token;
+  String? get userId => _user?.user_id;
+  String? get username => _user?.username;
+  String? get fullName => _user?.full_name;
+
+  void setLoginData({
+    required String userId,
+    required String username,
+    required String fullName,
+    required String accessToken,
+    required String email,
+  }) {
+    _user = AuthenticatedUserData(
+      user_id: userId,
+      username: username,
+      full_name: fullName,
+      access_token: accessToken,
+      email: email,
+    );
+    notifyListeners();
+  }
+
+  Future<void> login(String username, String password) async {
+    final formData = {
+      'grant_type': 'password',
+      'username': username,
+      'password': password,
+      'scope': '',
+      'client_id': 'string',
+      'client_secret': 'string',
+    };
+
+    // 1. Get token
+    final tokenResponse = await api.postForm('/token', formData);
+    final accessToken = tokenResponse['access_token'];
+
+    // 2. Get user details
+    final userResponse = await api.get(
+      '/users/me',
+      headers: {
+        'Authorization': 'Bearer $accessToken',
+        'accept': 'application/json',
+      },
+    );
+
+    // 3. Populate state
+    setLoginData(
+      userId: userResponse['user_id'],
+      username: userResponse['username'],
+      fullName: userResponse['full_name'],
+      accessToken: accessToken,
+      email: userResponse['email'],
+    );
+  }
+}