implemented backend wallet service connection

frontend/pweb/lib/app/router/router.dart

@@ -1,5 +1,9 @@
+import 'package:provider/provider.dart';
+
 import 'package:go_router/go_router.dart';
 
+import 'package:pshared/provider/organizations.dart';
+
 import 'package:pweb/app/router/pages.dart';
 import 'package:pweb/app/router/page_params.dart';
 import 'package:pweb/pages/2fa/page.dart';
@@ -32,7 +36,11 @@ GoRouter createRouter() => GoRouter(
           name: Pages.sfactor.name,
           path: routerPage(Pages.sfactor),
           builder: (context, _) => TwoFactorCodePage(
-            onVerificationSuccess: () => context.goNamed(Pages.dashboard.name),
+            onVerificationSuccess: () {
+              // trigger organization load
+              context.read<OrganizationsProvider>().load();
+              context.goNamed(Pages.dashboard.name);
+            },
           ),
         ),
         GoRoute(

frontend/pweb/lib/data/mappers/wallet_ui.dart

@@ -0,0 +1,26 @@
+import 'package:pshared/models/wallet/wallet.dart' as domain;
+
+import 'package:pweb/models/currency.dart';
+import 'package:pweb/models/wallet.dart';
+
+
+extension WalletUiMapper on domain.WalletModel {
+  Wallet toUi() {
+    final amountStr = availableMoney?.amount ?? balance?.available?.amount ?? '0';
+    final currencyStr = availableMoney?.currency ?? balance?.available?.currency ?? Currency.usd.toString().toUpperCase();
+    final parsedAmount = double.tryParse(amountStr) ?? 0;
+    final currency = Currency.values.firstWhere(
+      (c) => c.name.toUpperCase() == currencyStr.toUpperCase(),
+      orElse: () => Currency.usd,
+    );
+    return Wallet(
+      id: walletRef,
+      walletUserID: walletRef,
+      name: metadata?['name'] ?? walletRef,
+      balance: parsedAmount,
+      currency: currency,
+      isHidden: true,
+      calculatedAt: balance?.calculatedAt ?? DateTime.now(),
+    );
+  }
+}

frontend/pweb/lib/main.dart

@@ -72,8 +72,9 @@ void main() async {
         ChangeNotifierProvider(
           create: (_) => PaymentMethodsProvider(service: MockPaymentMethodsService())..loadMethods(),
         ),
-        ChangeNotifierProvider(
-          create: (_) => WalletsProvider(MockWalletsService())..loadData(),
+        ChangeNotifierProxyProvider<OrganizationsProvider, WalletsProvider>(
+          create: (_) => WalletsProvider(ApiWalletsService()),
+          update: (context, organizations, provider) => provider!..update(organizations),
         ),
         ChangeNotifierProvider(
           create: (_) => WalletTransactionsProvider(MockWalletTransactionsService())..load(),

frontend/pweb/lib/models/wallet.dart

@@ -8,6 +8,7 @@ class Wallet {
   final double balance;
   final Currency currency;
   final bool isHidden;
+  final DateTime calculatedAt;
 
   Wallet({
     required this.id,
@@ -15,6 +16,7 @@ class Wallet {
     required this.name,
     required this.balance,
     required this.currency,
+    required this.calculatedAt,
     this.isHidden = true,
   });
 
@@ -25,14 +27,13 @@ class Wallet {
     Currency? currency,
     String? walletUserID,
     bool? isHidden,
-  }) {
-    return Wallet(
-      id: id ?? this.id,
-      name: name ?? this.name,
-      balance: balance ?? this.balance,
-      currency: currency ?? this.currency,
-      walletUserID: walletUserID ?? this.walletUserID,
-      isHidden: isHidden ?? this.isHidden,
-    );
-  }
+  }) => Wallet(
+    id: id ?? this.id,
+    name: name ?? this.name,
+    balance: balance ?? this.balance,
+    currency: currency ?? this.currency,
+    walletUserID: walletUserID ?? this.walletUserID,
+    isHidden: isHidden ?? this.isHidden,
+    calculatedAt: calculatedAt,
+  );
 }

frontend/pweb/lib/pages/login/form.dart

@@ -44,6 +44,7 @@ class _LoginFormState extends State<LoginForm> {
         locale: context.read<LocaleProvider>().locale.languageCode,
       );
       if (outcome.isPending) {
+        // TODO: fix context usage
         navigateAndReplace(context, Pages.sfactor);
       } else {
         onLogin();

frontend/pweb/lib/pages/payout_page/wallet/edit/header.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 import 'package:pweb/providers/wallets.dart';
+import 'package:pweb/widgets/error/snackbar.dart';
 
 
 class WalletEditHeader extends StatefulWidget {
@@ -85,10 +86,11 @@ class _WalletEditHeaderState extends State<WalletEditHeader> {
                       icon: const Icon(Icons.check),
                       color: theme.colorScheme.primary,
                       onPressed: () async {
-                        provider.updateName(wallet.id, _controller.text);
-                        await provider.updateWallet(wallet.copyWith(name: _controller.text));
-                        ScaffoldMessenger.of(context).showSnackBar(
-                          const SnackBar(content: Text('Wallet name saved')),
+                        await executeActionWithNotification(
+                          context: context, 
+                          action: () async => await provider.updateWallet(wallet.copyWith(name: _controller.text)), 
+                          errorMessage: 'Failed to update wallet name',
+                          successMessage: 'Wallet name saved',
                         );
                         setState(() {
                           _isEditing = false;

frontend/pweb/lib/providers/wallets.dart

@@ -1,12 +1,16 @@
 import 'package:flutter/material.dart';
 
-import 'package:pweb/models/wallet.dart';
-import 'package:pweb/services/wallets.dart';
+import 'package:pshared/provider/organizations.dart';
 import 'package:pshared/provider/resource.dart';
 import 'package:pshared/utils/exception.dart';
 
+import 'package:pweb/models/wallet.dart';
+import 'package:pweb/services/wallets.dart';
+
+
 class WalletsProvider with ChangeNotifier {
   final WalletsService _service;
+  late OrganizationsProvider _organizations;
 
   WalletsProvider(this._service);
 
@@ -25,6 +29,15 @@ class WalletsProvider with ChangeNotifier {
   bool _isRefreshingBalances = false;
   bool get isRefreshingBalances => _isRefreshingBalances;
 
+  void update(OrganizationsProvider organizations) {
+    _organizations = organizations;
+    if (_organizations.isOrganizationSet) loadWalletsWithBalances();
+  }
+
+  Future<Wallet> updateWallet(Wallet newWallet) {
+    throw Exception('update wallet is not implemented');
+  }
+
   void selectWallet(Wallet wallet) {
     _selectedWallet = wallet;
     notifyListeners();
@@ -33,11 +46,11 @@ class WalletsProvider with ChangeNotifier {
   Future<void> loadWalletsWithBalances() async {
     _setResource(_resource.copyWith(isLoading: true, error: null));
     try {
-      final base = await _service.getWallets();
+      final base = await _service.getWallets(_organizations.current.id);
       final withBalances = <Wallet>[];
       for (final wallet in base) {
         try {
-          final balance = await _service.getBalance(wallet.id);
+          final balance = await _service.getBalance(_organizations.current.id, wallet.id);
           withBalances.add(wallet.copyWith(balance: balance));
         } catch (e) {
           _setResource(_resource.copyWith(error: toException(e)));
@@ -58,7 +71,7 @@ class WalletsProvider with ChangeNotifier {
     try {
       final updated = <Wallet>[];
       for (final wallet in wallets) {
-        final balance = await _service.getBalance(wallet.id);
+        final balance = await _service.getBalance(_organizations.current.id, wallet.id);
         updated.add(wallet.copyWith(balance: balance));
       }
       _setResource(_resource.copyWith(data: updated));

frontend/pweb/lib/services/wallets.dart

@@ -1,33 +1,28 @@
+import 'package:pshared/service/wallet.dart' as shared_wallet_service;
+
 import 'package:pweb/models/currency.dart';
 import 'package:pweb/models/wallet.dart';
+import 'package:pweb/data/mappers/wallet_ui.dart';
 
 
 abstract class WalletsService {
-  Future<List<Wallet>> getWallets();
-  Future<double> getBalance(String walletRef);
+  Future<List<Wallet>> getWallets(String organizationRef);
+  Future<double> getBalance(String organizationRef, String walletRef);
 }
 
 class MockWalletsService implements WalletsService {
   final List<Wallet> _wallets = [
-    Wallet(id: '1124', walletUserID: 'WA-12345667', name: 'Main Wallet', balance: 10000000.0, currency: Currency.rub),
-    Wallet(id: '2124', walletUserID: 'WA-76654321', name: 'Savings', balance: 2500.5, currency: Currency.usd),
+    Wallet(id: '1124', walletUserID: 'WA-12345667', name: 'Main Wallet', balance: 10000000.0, currency: Currency.rub, calculatedAt: DateTime.now()),
+    Wallet(id: '2124', walletUserID: 'WA-76654321', name: 'Savings', balance: 2500.5, currency: Currency.usd, calculatedAt: DateTime.now()),
   ];
 
   @override
-  Future<List<Wallet>> getWallets() async {
+  Future<List<Wallet>> getWallets(String _) async {
     return _wallets;
   }
 
   @override
-  Future<Wallet> getWallet(String walletId) async {
-    return _wallets.firstWhere(
-      (wallet) => wallet.id == walletId,
-      orElse: () => throw Exception('Wallet not found'),
-    );
-  }
-
-  @override
-  Future<double> getBalance(String walletRef) async {
+  Future<double> getBalance(String _, String walletRef) async {
     final wallet = _wallets.firstWhere(
       (w) => w.id == walletRef,
       orElse: () => throw Exception('Wallet not found'),
@@ -35,3 +30,21 @@ class MockWalletsService implements WalletsService {
     return wallet.balance;
   }
 }
+
+class ApiWalletsService implements WalletsService {
+  @override
+  Future<List<Wallet>> getWallets(String organizationRef) async {
+    final models = await shared_wallet_service.WalletService.list(organizationRef);
+    return models.map((m) => m.toUi()).toList();
+  }
+
+  @override
+  Future<double> getBalance(String organizationRef, String walletRef) async {
+    final balance = await shared_wallet_service.WalletService.getBalance(
+      organizationRef: organizationRef,
+      walletRef: walletRef,
+    );
+    final amount = balance.available?.amount;
+    return amount == null ? 0 : double.tryParse(amount) ?? 0;
+  }
+}

frontend/pweb/lib/widgets/error/snackbar.dart

@@ -3,6 +3,7 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 
 import 'package:pweb/utils/error_handler.dart';
+import 'package:pweb/utils/snackbar.dart';
 import 'package:pweb/widgets/error/content.dart'; 
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
@@ -52,13 +53,18 @@ Future<T?> executeActionWithNotification<T>({
   required BuildContext context,
   required Future<T> Function() action,
   required String errorMessage,
+  String? successMessage,
   int delaySeconds = 3,
 }) async {
   final scaffoldMessenger = ScaffoldMessenger.of(context);
   final localizations = AppLocalizations.of(context)!;
 
   try {
-    return await action();
+    final res = await action();
+    if (successMessage != null) {
+      notifyUserX(scaffoldMessenger, successMessage, delaySeconds: delaySeconds);
+    }
+    return res;
   } catch (e) {
     // Report the error using your existing notifier.
     notifyUserOfErrorX(