fixed ledger account listing + quotation listing

frontend/pshared/lib/controllers/balance_mask/wallets.dart

@@ -0,0 +1,106 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:collection/collection.dart';
+
+import 'package:pshared/models/payment/wallet.dart';
+import 'package:pshared/provider/payment/wallets.dart';
+
+
+class WalletsController with ChangeNotifier {
+  late WalletsProvider _wallets;
+
+  String? _orgRef;
+
+  /// UI-only: wallet refs with masked balances
+  final Set<String> _maskedBalanceWalletRefs = <String>{};
+  Set<String> _knownWalletRefs = <String>{};
+
+  String? _selectedWalletRef;
+
+  bool get isLoading => _wallets.isLoading;
+  Exception? get error => _wallets.error;
+
+  void update(WalletsProvider wallets) {
+    _wallets = wallets;
+
+    final nextOrgRef = wallets.organizationRef;
+    final orgChanged = nextOrgRef != _orgRef;
+
+    if (orgChanged) {
+      _orgRef = nextOrgRef;
+      _maskedBalanceWalletRefs.clear();
+      _knownWalletRefs = <String>{};
+      _selectedWalletRef = null;
+    }
+
+    // Remove ids that no longer exist
+    final ids = wallets.wallets.map((w) => w.id).toSet();
+    _maskedBalanceWalletRefs.removeWhere((id) => !ids.contains(id));
+
+    final newIds = ids.difference(_knownWalletRefs);
+    if (newIds.isNotEmpty) {
+      _maskedBalanceWalletRefs.addAll(newIds);
+    }
+    _knownWalletRefs = ids;
+
+    _selectedWalletRef = _resolveSelectedId(
+      currentRef: _selectedWalletRef,
+      wallets: wallets.wallets,
+    );
+
+    notifyListeners();
+  }
+
+  List<Wallet> get wallets => _wallets.wallets;
+
+  bool isBalanceMasked(String walletRef) => _maskedBalanceWalletRefs.contains(walletRef);
+  bool isBalanceVisible(String walletRef) => !isBalanceMasked(walletRef);
+
+  List<Wallet> get unmaskedWallets =>
+      wallets.where((w) => !_maskedBalanceWalletRefs.contains(w.id)).toList(growable: false);
+
+  Wallet? get selectedWallet {
+    final id = _selectedWalletRef;
+    if (id == null) return null;
+    return wallets.firstWhereOrNull((w) => w.id == id);
+  }
+
+  String? get selectedWalletRef => _selectedWalletRef;
+
+  void selectWallet(Wallet wallet) => selectWalletByRef(wallet.id);
+
+  void selectWalletByRef(String walletRef) {
+    if (_selectedWalletRef == walletRef) return;
+
+    _selectedWalletRef = walletRef;
+    notifyListeners();
+  }
+
+  /// Toggle wallet balance masking
+  void toggleBalanceMask(String walletRef) {
+    final existed = _maskedBalanceWalletRefs.remove(walletRef);
+    if (!existed) _maskedBalanceWalletRefs.add(walletRef);
+    notifyListeners();
+  }
+
+  /// Unmask balances for all wallets (bulk action)
+  void unmaskAllBalances() {
+    _maskedBalanceWalletRefs.clear();
+    notifyListeners();
+  }
+
+  String? _resolveSelectedId({
+    required String? currentRef,
+    required List<Wallet> wallets,
+  }) {
+    if (wallets.isEmpty) return null;
+
+    // Keep current selection if it still exists
+    if (currentRef != null && wallets.any((w) => w.id == currentRef)) {
+      return currentRef;
+    }
+
+    // Fallback to the first wallet
+    return wallets.first.id;
+  }
+}