118 lines
3.4 KiB
Dart
118 lines
3.4 KiB
Dart
import 'dart:collection';
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import 'package:flutter/material.dart';
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import 'package:pshared/models/payment/operation.dart';
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import 'package:pshared/models/payment/status.dart';
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import 'package:pshared/provider/payment/payments.dart';
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import 'package:pweb/models/state/load_more_state.dart';
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import 'package:pweb/utils/report/operations/operations.dart';
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import 'package:pweb/utils/report/payment_mapper.dart';
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class ReportOperationsController extends ChangeNotifier {
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PaymentsProvider? _payments;
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DateTimeRange? _selectedRange;
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final Set<OperationStatus> _selectedStatuses = {};
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List<OperationItem> _operations = const [];
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List<OperationItem> _filtered = const [];
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List<OperationItem> get operations => _operations;
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List<OperationItem> get filteredOperations => _filtered;
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DateTimeRange? get selectedRange => _selectedRange;
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Set<OperationStatus> get selectedStatuses =>
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UnmodifiableSetView(_selectedStatuses);
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bool get isLoading => _payments?.isLoading ?? false;
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Exception? get error => _payments?.error;
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LoadMoreState get loadMoreState {
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if (_payments?.isLoadingMore ?? false) {
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return LoadMoreState.loading;
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}
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if (_payments?.canLoadMore ?? false) {
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return LoadMoreState.available;
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}
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return LoadMoreState.hidden;
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}
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void update(PaymentsProvider provider) {
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if (!identical(_payments, provider)) {
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_payments = provider;
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}
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_rebuildOperations();
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}
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void setRange(DateTimeRange? range) {
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if (_isSameRange(_selectedRange, range)) return;
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_selectedRange = range;
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_rebuildFiltered();
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}
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void toggleStatus(OperationStatus status) {
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if (_selectedStatuses.contains(status)) {
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_selectedStatuses.remove(status);
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} else {
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_selectedStatuses.add(status);
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}
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_rebuildFiltered();
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}
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void clearFilters() {
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if (_selectedRange == null && _selectedStatuses.isEmpty) return;
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_selectedRange = null;
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_selectedStatuses.clear();
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_rebuildFiltered();
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}
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Future<void> refresh() async {
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await _payments?.refresh();
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}
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Future<void> loadMore() async {
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await _payments?.loadMore();
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}
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void _rebuildOperations() {
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final items = _payments?.payments ?? const [];
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_operations = items.map(mapPaymentToOperation).toList();
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_rebuildFiltered(notify: true);
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}
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void _rebuildFiltered({bool notify = true}) {
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_filtered = _applyFilters(_operations);
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if (notify) {
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notifyListeners();
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}
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}
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List<OperationItem> _applyFilters(List<OperationItem> operations) {
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if (_selectedRange == null && _selectedStatuses.isEmpty) {
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return sortOperations(operations);
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}
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final filtered = operations.where((op) {
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final statusMatch =
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_selectedStatuses.isEmpty || _selectedStatuses.contains(op.status);
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final dateMatch = _selectedRange == null ||
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isUnknownDate(op.date) ||
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(op.date.isAfter(
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_selectedRange!.start.subtract(const Duration(seconds: 1)),
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) &&
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op.date.isBefore(
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_selectedRange!.end.add(const Duration(seconds: 1)),
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));
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return statusMatch && dateMatch;
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}).toList();
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return sortOperations(filtered);
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}
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bool _isSameRange(DateTimeRange? left, DateTimeRange? right) {
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if (left == null && right == null) return true;
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if (left == null || right == null) return false;
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return left.start.isAtSameMomentAs(right.start) &&
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left.end.isAtSameMomentAs(right.end);
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}
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}
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