130 lines
3.7 KiB
Dart
130 lines
3.7 KiB
Dart
import 'package:collection/collection.dart';
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import 'package:flutter/foundation.dart';
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import 'package:pshared/models/payment/wallet.dart';
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import 'package:pshared/provider/payment/wallets.dart';
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class WalletsController with ChangeNotifier {
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late WalletsProvider _wallets;
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// If you want per-org isolation, we reset when org changes.
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String? _orgRef;
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// Visibility is UI-only: store hidden wallet ids here.
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final Set<String> _hiddenWalletIds = <String>{};
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String? _selectedWalletId;
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bool get isLoading => _wallets.isLoading;
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Exception? get error => _wallets.error;
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/// Inject / update dependency (use ProxyProvider).
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void update(WalletsProvider wallets) {
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_wallets = wallets;
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final nextOrgRef = wallets.organizationId;
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final orgChanged = nextOrgRef != _orgRef;
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if (orgChanged) {
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_orgRef = nextOrgRef;
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_hiddenWalletIds.clear();
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_selectedWalletId = null;
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}
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// Prune hidden ids for wallets that no longer exist.
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final ids = wallets.wallets.map((w) => w.id).toSet();
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final beforeHiddenLen = _hiddenWalletIds.length;
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_hiddenWalletIds.removeWhere((id) => !ids.contains(id));
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// Ensure selection is valid.
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final beforeSelected = _selectedWalletId;
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_selectedWalletId = _resolveSelectedId(
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currentId: _selectedWalletId,
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wallets: wallets.wallets,
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hiddenIds: _hiddenWalletIds,
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);
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final selectionChanged = beforeSelected != _selectedWalletId;
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final hiddenChanged = beforeHiddenLen != _hiddenWalletIds.length;
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if (orgChanged || selectionChanged || hiddenChanged) {
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notifyListeners();
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}
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}
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List<Wallet> get wallets => _wallets.wallets;
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bool isHidden(String walletId) => _hiddenWalletIds.contains(walletId);
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List<Wallet> get visibleWallets =>
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wallets.where((w) => !_hiddenWalletIds.contains(w.id)).toList(growable: false);
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Wallet? get selectedWallet {
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final id = _selectedWalletId;
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if (id == null) return null;
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return wallets.firstWhereOrNull((w) => w.id == id);
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}
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String? get selectedWalletId => _selectedWalletId;
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void selectWallet(Wallet wallet) => selectWalletId(wallet.id);
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void selectWalletId(String walletId) {
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if (_selectedWalletId == walletId) return;
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// Allow selecting hidden wallet if you want; if not, block it:
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// if (isHidden(walletId)) return;
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_selectedWalletId = walletId;
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notifyListeners();
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}
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void toggleVisibility(String walletId) {
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final existed = _hiddenWalletIds.remove(walletId);
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if (!existed) _hiddenWalletIds.add(walletId);
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// If we hid the selected wallet, move selection to next visible.
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_selectedWalletId = _resolveSelectedId(
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currentId: _selectedWalletId,
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wallets: wallets,
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hiddenIds: _hiddenWalletIds,
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);
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notifyListeners();
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}
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void showAll() {
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if (_hiddenWalletIds.isEmpty) return;
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_hiddenWalletIds.clear();
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_selectedWalletId = _resolveSelectedId(
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currentId: _selectedWalletId,
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wallets: wallets,
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hiddenIds: _hiddenWalletIds,
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);
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notifyListeners();
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}
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String? _resolveSelectedId({
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required String? currentId,
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required List<Wallet> wallets,
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required Set<String> hiddenIds,
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}) {
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if (wallets.isEmpty) return null;
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// Keep current if exists and is not hidden.
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if (currentId != null) {
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final exists = wallets.any((w) => w.id == currentId);
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if (exists && !hiddenIds.contains(currentId)) return currentId;
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}
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// Pick first visible.
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final firstVisible = wallets.firstWhereOrNull((w) => !hiddenIds.contains(w.id));
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if (firstVisible != null) return firstVisible.id;
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// All hidden: fall back to first wallet id (or return null if you prefer).
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return wallets.first.id;
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}
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}
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