second commit

2026-07-29 11:41:53 +05:30
parent fcccf22bac
commit d72522e737
211 changed files with 19260 additions and 0 deletions
--- a/lib/core/router/app_router.dart
+++ b/lib/core/router/app_router.dart
@@ -0,0 +1,140 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:go_router/go_router.dart';
+
+import '../../domain/entities/transaction.dart';
+import '../../presentation/auth/providers/auth_controller.dart';
+import '../../presentation/auth/screens/login_screen.dart';
+import '../../presentation/customer/screens/customer_registration_screen.dart';
+import '../../presentation/customer/screens/existing_customer_screen.dart';
+import '../../presentation/payment/screens/payment_screen.dart';
+import '../../presentation/pos/screens/pos_dashboard_screen.dart';
+import '../../presentation/receipt/screens/receipt_screen.dart';
+import '../../presentation/welcome/screens/welcome_screen.dart';
+
+class AppRoutes {
+  const AppRoutes._();
+
+  static const String login = '/login';
+  static const String welcome = '/';
+  static const String registerCustomer = '/customer/new';
+  static const String existingCustomer = '/customer/find';
+  static const String pos = '/pos';
+  static const String payment = '/pos/payment';
+  static const String receipt = '/pos/receipt';
+}
+
+/// Router with an authentication guard.
+///
+/// Every route except [AppRoutes.login] requires a signed-in store, and an
+/// already-signed-in terminal is bounced away from the login screen.
+final routerProvider = Provider<GoRouter>((ref) {
+  // GoRouter re-evaluates `redirect` whenever this notifier fires.
+  final authChanged = ValueNotifier<bool>(
+    ref.read(authControllerProvider).isAuthenticated,
+  );
+  ref.listen<AuthState>(
+    authControllerProvider,
+    (_, next) => authChanged.value = next.isAuthenticated,
+  );
+  ref.onDispose(authChanged.dispose);
+
+  return GoRouter(
+    initialLocation: AppRoutes.login,
+    refreshListenable: authChanged,
+    debugLogDiagnostics: false,
+    redirect: (context, state) {
+      final signedIn = ref.read(authControllerProvider).isAuthenticated;
+      final atLogin = state.matchedLocation == AppRoutes.login;
+
+      if (!signedIn) return atLogin ? null : AppRoutes.login;
+      if (atLogin) return AppRoutes.welcome;
+      return null;
+    },
+    routes: [
+      GoRoute(
+        path: AppRoutes.login,
+        name: 'login',
+        pageBuilder: (context, state) => _fade(state, const LoginScreen()),
+      ),
+      GoRoute(
+        path: AppRoutes.welcome,
+        name: 'welcome',
+        pageBuilder: (context, state) => _fade(state, const WelcomeScreen()),
+      ),
+      GoRoute(
+        path: AppRoutes.registerCustomer,
+        name: 'registerCustomer',
+        pageBuilder: (context, state) => _slide(
+          state,
+          CustomerRegistrationScreen(
+            prefillMobile: state.uri.queryParameters['mobile'],
+          ),
+        ),
+      ),
+      GoRoute(
+        path: AppRoutes.existingCustomer,
+        name: 'existingCustomer',
+        pageBuilder: (context, state) =>
+            _slide(state, const ExistingCustomerScreen()),
+      ),
+      GoRoute(
+        path: AppRoutes.pos,
+        name: 'pos',
+        pageBuilder: (context, state) =>
+            _fade(state, const PosDashboardScreen()),
+        routes: [
+          GoRoute(
+            path: 'payment',
+            name: 'payment',
+            pageBuilder: (context, state) =>
+                _slide(state, const PaymentScreen()),
+          ),
+          GoRoute(
+            path: 'receipt',
+            name: 'receipt',
+            pageBuilder: (context, state) => _fade(
+              state,
+              ReceiptScreen(transaction: state.extra! as SaleTransaction),
+            ),
+          ),
+        ],
+      ),
+    ],
+    errorBuilder: (context, state) => Scaffold(
+      body: Center(child: Text('Route not found: ${state.uri}')),
+    ),
+  );
+});
+
+CustomTransitionPage<void> _fade(GoRouterState state, Widget child) {
+  return CustomTransitionPage(
+    key: state.pageKey,
+    child: child,
+    transitionDuration: const Duration(milliseconds: 220),
+    transitionsBuilder: (_, animation, __, child) =>
+        FadeTransition(opacity: animation, child: child),
+  );
+}
+
+CustomTransitionPage<void> _slide(GoRouterState state, Widget child) {
+  return CustomTransitionPage(
+    key: state.pageKey,
+    child: child,
+    transitionDuration: const Duration(milliseconds: 260),
+    transitionsBuilder: (_, animation, __, child) {
+      final curved =
+          CurvedAnimation(parent: animation, curve: Curves.easeOutCubic);
+      return FadeTransition(
+        opacity: curved,
+        child: SlideTransition(
+          position: Tween<Offset>(
+            begin: const Offset(0, 0.03),
+            end: Offset.zero,
+          ).animate(curved),
+          child: child,
+        ),
+      );
+    },
+  );
+}