Initial commit

lib/providers/auth_provider.dart

@@ -0,0 +1,57 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../models/user.dart';
+import '../services/storage_service.dart';
+import '../services/api_service.dart';
+
+class AuthState {
+  final User? user;
+  final bool isLoading;
+  final String? error;
+
+  const AuthState({this.user, this.isLoading = false, this.error});
+
+  bool get isLoggedIn => user != null;
+
+  AuthState copyWith({User? user, bool? isLoading, String? error}) {
+    return AuthState(
+      user: user ?? this.user,
+      isLoading: isLoading ?? this.isLoading,
+      error: error,
+    );
+  }
+}
+
+class AuthNotifier extends StateNotifier<AuthState> {
+  AuthNotifier() : super(const AuthState()) {
+    _checkLoginStatus();
+  }
+
+  Future<void> _checkLoginStatus() async {
+    await storageService.init();
+    final user = storageService.getUser();
+    if (user != null) {
+      state = state.copyWith(user: user);
+    }
+  }
+
+  Future<void> login(String phone, String password) async {
+    state = state.copyWith(isLoading: true, error: null);
+    try {
+      final response = await apiService.login(phone, password);
+      final user = User.fromJson(response['user']);
+      await storageService.saveUser(user);
+      state = state.copyWith(user: user, isLoading: false);
+    } catch (e) {
+      state = state.copyWith(isLoading: false, error: e.toString());
+    }
+  }
+
+  Future<void> logout() async {
+    await storageService.clearUser();
+    state = const AuthState();
+  }
+}
+
+final authProvider = StateNotifierProvider<AuthNotifier, AuthState>((ref) {
+  return AuthNotifier();
+});