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sendico/frontend/pshared/lib/controllers/wallets.dart
2026-01-22 16:15:43 +01:00

128 lines
3.3 KiB
Dart

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: which wallets are allowed to be visible
final Set<String> _visibleWalletIds = <String>{};
String? _selectedWalletId;
bool get isLoading => _wallets.isLoading;
Exception? get error => _wallets.error;
void update(WalletsProvider wallets) {
_wallets = wallets;
final nextOrgRef = wallets.organizationId;
final orgChanged = nextOrgRef != _orgRef;
if (orgChanged) {
_orgRef = nextOrgRef;
_visibleWalletIds.clear(); // All wallets hidden on org change
_selectedWalletId = null;
}
// Remove ids that no longer exist
final ids = wallets.wallets.map((w) => w.id).toSet();
_visibleWalletIds.removeWhere((id) => !ids.contains(id));
final beforeSelected = _selectedWalletId;
_selectedWalletId = _resolveSelectedId(
currentId: _selectedWalletId,
wallets: wallets.wallets,
visibleIds: _visibleWalletIds,
);
if (beforeSelected != _selectedWalletId || orgChanged) {
notifyListeners();
}
}
List<Wallet> get wallets => _wallets.wallets;
bool isVisible(String walletId) => _visibleWalletIds.contains(walletId);
bool isHidden(String walletId) => !isVisible(walletId);
List<Wallet> get visibleWallets =>
wallets.where((w) => _visibleWalletIds.contains(w.id)).toList(growable: false);
Wallet? get selectedWallet {
final id = _selectedWalletId;
if (id == null) return null;
return wallets.firstWhereOrNull((w) => w.id == id);
}
String? get selectedWalletId => _selectedWalletId;
void selectWallet(Wallet wallet) => selectWalletId(wallet.id);
void selectWalletId(String walletId) {
if (_selectedWalletId == walletId) return;
// Prevent selecting a hidden wallet
if (!_visibleWalletIds.contains(walletId)) return;
_selectedWalletId = walletId;
notifyListeners();
}
/// Toggle wallet visibility
void toggleVisibility(String walletId) {
final existed = _visibleWalletIds.remove(walletId);
if (!existed) _visibleWalletIds.add(walletId);
_selectedWalletId = _resolveSelectedId(
currentId: _selectedWalletId,
wallets: wallets,
visibleIds: _visibleWalletIds,
);
notifyListeners();
}
/// Show all wallets (bulk action)
void showAll() {
final allIds = wallets.map((w) => w.id);
_visibleWalletIds
..clear()
..addAll(allIds);
_selectedWalletId = _resolveSelectedId(
currentId: _selectedWalletId,
wallets: wallets,
visibleIds: _visibleWalletIds,
);
notifyListeners();
}
String? _resolveSelectedId({
required String? currentId,
required List<Wallet> wallets,
required Set<String> visibleIds,
}) {
if (wallets.isEmpty) return null;
// Keep current selection if it still exists and is visible
if (currentId != null &&
visibleIds.contains(currentId) &&
wallets.any((w) => w.id == currentId)) {
return currentId;
}
// Select the first visible wallet
final firstVisible = wallets.firstWhereOrNull((w) => visibleIds.contains(w.id));
return firstVisible?.id;
}
}