Sven laptop
80 lines
2.0 KiB
Dart
80 lines
2.0 KiB
Dart
import 'dart:convert';
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import 'package:http/http.dart' as http;
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import 'package:shared_preferences/shared_preferences.dart';
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import '../models/user.dart';
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/// Authentication Service
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class AuthService {
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// TODO: Implement API connector - configure base URL from env/config
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static const String _apiBaseUrl = 'http://localhost:5000';
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static const String _tokenKey = 'auth_token';
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late SharedPreferences _prefs;
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Future<void> _initPrefs() async {
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_prefs = await SharedPreferences.getInstance();
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}
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/// Login with userCode and password
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Future<AuthResponse> login({
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required String userCode,
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required String password,
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}) async {
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await _initPrefs();
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try {
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final response = await http.post(
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Uri.parse('$_apiBaseUrl/login'),
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headers: {'Content-Type': 'application/json'},
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body: jsonEncode({
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'userCode': userCode,
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'password': password,
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}),
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);
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if (response.statusCode == 200) {
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final data = jsonDecode(response.body) as Map<String, dynamic>;
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final authResponse = AuthResponse.fromJson(data);
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// Store token
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await _prefs.setString(_tokenKey, authResponse.token);
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return authResponse;
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} else if (response.statusCode == 401) {
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throw Exception('Invalid credentials');
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} else {
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throw Exception('Login failed: ${response.statusCode}');
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}
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} catch (e) {
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throw Exception('Login error: $e');
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}
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}
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/// Get stored token
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Future<String?> getToken() async {
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await _initPrefs();
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return _prefs.getString(_tokenKey);
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}
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/// Check if user is logged in
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Future<bool> isLoggedIn() async {
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final token = await getToken();
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return token != null;
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}
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/// Logout
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Future<void> logout() async {
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await _initPrefs();
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await _prefs.remove(_tokenKey);
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}
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/// Get Authorization header
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Future<Map<String, String>> getAuthHeaders() async {
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final token = await getToken();
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return {
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'Authorization': 'Bearer $token',
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'Content-Type': 'application/json',
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};
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}
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}
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