Initial Flutter scaffold: Riverpod + GoRouter + Dio

2026-01-27 13:20:01 +00:00
commit c8ac4ec8bc
18 changed files with 2728 additions and 0 deletions
--- a/lib/shared/providers/auth_provider.dart
+++ b/lib/shared/providers/auth_provider.dart
@@ -0,0 +1,115 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../services/api_client.dart';
+
+class AuthState {
+  final bool isAuthenticated;
+  final Map<String, dynamic>? user;
+  final bool isLoading;
+  final String? error;
+  
+  const AuthState({
+    this.isAuthenticated = false,
+    this.user,
+    this.isLoading = false,
+    this.error,
+  });
+  
+  AuthState copyWith({
+    bool? isAuthenticated,
+    Map<String, dynamic>? user,
+    bool? isLoading,
+    String? error,
+  }) {
+    return AuthState(
+      isAuthenticated: isAuthenticated ?? this.isAuthenticated,
+      user: user ?? this.user,
+      isLoading: isLoading ?? this.isLoading,
+      error: error,
+    );
+  }
+}
+
+class AuthNotifier extends StateNotifier<AsyncValue<AuthState>> {
+  final ApiClient _apiClient;
+  
+  AuthNotifier(this._apiClient) : super(const AsyncValue.loading()) {
+    _checkSession();
+  }
+  
+  Future<void> _checkSession() async {
+    try {
+      final session = await _apiClient.getSession();
+      if (session != null && session['user'] != null) {
+        state = AsyncValue.data(AuthState(
+          isAuthenticated: true,
+          user: session['user'],
+        ));
+      } else {
+        state = const AsyncValue.data(AuthState(isAuthenticated: false));
+      }
+    } catch (e) {
+      state = const AsyncValue.data(AuthState(isAuthenticated: false));
+    }
+  }
+  
+  Future<void> signUp({
+    required String email,
+    required String password,
+    required String name,
+  }) async {
+    state = const AsyncValue.loading();
+    try {
+      final result = await _apiClient.signUp(
+        email: email,
+        password: password,
+        name: name,
+      );
+      state = AsyncValue.data(AuthState(
+        isAuthenticated: true,
+        user: result['user'],
+      ));
+    } catch (e) {
+      state = AsyncValue.data(AuthState(
+        isAuthenticated: false,
+        error: e.toString(),
+      ));
+      rethrow;
+    }
+  }
+  
+  Future<void> signIn({
+    required String email,
+    required String password,
+  }) async {
+    state = const AsyncValue.loading();
+    try {
+      final result = await _apiClient.signIn(
+        email: email,
+        password: password,
+      );
+      state = AsyncValue.data(AuthState(
+        isAuthenticated: true,
+        user: result['user'],
+      ));
+    } catch (e) {
+      state = AsyncValue.data(AuthState(
+        isAuthenticated: false,
+        error: e.toString(),
+      ));
+      rethrow;
+    }
+  }
+  
+  Future<void> signOut() async {
+    try {
+      await _apiClient.signOut();
+    } finally {
+      state = const AsyncValue.data(AuthState(isAuthenticated: false));
+    }
+  }
+}
+
+final authStateProvider = StateNotifierProvider<AuthNotifier, AsyncValue<AuthState>>((ref) {
+  final apiClient = ref.watch(apiClientProvider);
+  return AuthNotifier(apiClient);
+});