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sendico/frontend/pweb/lib/controllers/operations/wallet_transactions.dart

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3.0 KiB
Dart

import 'package:flutter/material.dart';
import 'package:pshared/models/payment/status.dart';
import 'package:pweb/models/wallet/wallet_transaction.dart';
import 'package:pweb/providers/wallet_transactions.dart';
class WalletTransactionsController extends ChangeNotifier {
List<WalletTransaction> _filteredTransactions = [];
DateTimeRange? _dateRange;
final Set<OperationStatus> _selectedStatuses = {};
final Set<WalletTransactionType> _selectedTypes = {};
WalletTransactionsProvider? _provider;
List<WalletTransaction> get transactions =>
_provider?.transactions ?? const [];
List<WalletTransaction> get filteredTransactions => _filteredTransactions;
DateTimeRange? get dateRange => _dateRange;
Set<OperationStatus> get selectedStatuses => _selectedStatuses;
Set<WalletTransactionType> get selectedTypes => _selectedTypes;
bool get isLoading => _provider?.isLoading ?? false;
String? get error => _provider?.error;
bool get hasFilters =>
_dateRange != null ||
_selectedStatuses.isNotEmpty ||
_selectedTypes.isNotEmpty;
void update(WalletTransactionsProvider provider) {
if (identical(_provider, provider)) return;
_provider?.removeListener(_onProviderChanged);
_provider = provider;
_provider?.addListener(_onProviderChanged);
_rebuildFiltered(notify: false);
notifyListeners();
}
void setDateRange(DateTimeRange? range) {
_dateRange = range;
_rebuildFiltered();
}
void toggleStatus(OperationStatus status) {
if (_selectedStatuses.contains(status)) {
_selectedStatuses.remove(status);
} else {
_selectedStatuses.add(status);
}
_rebuildFiltered();
}
void toggleType(WalletTransactionType type) {
if (_selectedTypes.contains(type)) {
_selectedTypes.remove(type);
} else {
_selectedTypes.add(type);
}
_rebuildFiltered();
}
void resetFilters() {
_dateRange = null;
_selectedStatuses.clear();
_selectedTypes.clear();
_rebuildFiltered();
}
void _onProviderChanged() {
_rebuildFiltered();
}
void _rebuildFiltered({bool notify = true}) {
final source = _provider?.transactions ?? const <WalletTransaction>[];
final activeWalletId = _provider?.walletId;
_filteredTransactions = source.where((tx) {
final walletMatch =
activeWalletId == null || tx.walletId == activeWalletId;
final statusMatch =
_selectedStatuses.isEmpty || _selectedStatuses.contains(tx.status);
final typeMatch =
_selectedTypes.isEmpty || _selectedTypes.contains(tx.type);
final dateMatch =
_dateRange == null ||
(tx.date.isAfter(
_dateRange!.start.subtract(const Duration(seconds: 1)),
) &&
tx.date.isBefore(
_dateRange!.end.add(const Duration(seconds: 1)),
));
return walletMatch && statusMatch && typeMatch && dateMatch;
}).toList();
if (notify) notifyListeners();
}
@override
void dispose() {
_provider?.removeListener(_onProviderChanged);
super.dispose();
}
}