Nils-Johan Gynther
42 lines
1.3 KiB
Dart
42 lines
1.3 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../../core/api/api_providers.dart';
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import '../../../core/platform/platform_providers.dart';
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import '../../../core/auth/jwt_decoder.dart';
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import 'auth_repository.dart';
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final authRepositoryProvider = Provider<AuthRepository>((ref) {
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return AuthRepository(
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ref.watch(apiClientProvider),
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ref.watch(tokenStorageProvider),
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);
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});
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final authStateProvider = AsyncNotifierProvider<AuthNotifier, String?>(() {
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return AuthNotifier();
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});
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class AuthNotifier extends AsyncNotifier<String?> {
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@override
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Future<String?> build() async {
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return ref.watch(authRepositoryProvider).getToken();
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}
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Future<void> login(String username, String password) async {
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state = const AsyncLoading();
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state = await AsyncValue.guard(
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() => ref.read(authRepositoryProvider).login(username, password),
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);
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}
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Future<void> logout() async {
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await ref.read(authRepositoryProvider).logout();
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state = const AsyncData(null);
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}
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}
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/// Synchronously derived provider — true when the current token has role == 'admin'.
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final isAdminProvider = Provider<bool>((ref) {
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final token = ref.watch(authStateProvider).maybeWhen(data: (t) => t, orElse: () => null);
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return jwtIsAdmin(token);
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});
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