91 lines
2.7 KiB
Dart
91 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:pweb/models/wallet.dart';
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import 'package:pweb/services/wallets.dart';
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import 'package:pshared/provider/resource.dart';
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import 'package:pshared/utils/exception.dart';
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class WalletsProvider with ChangeNotifier {
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final WalletsService _service;
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WalletsProvider(this._service);
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Resource<List<Wallet>> _resource = Resource(data: []);
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Resource<List<Wallet>> get resource => _resource;
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List<Wallet> get wallets => _resource.data ?? [];
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bool get isLoading => _resource.isLoading;
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Exception? get error => _resource.error;
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Wallet? _selectedWallet;
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Wallet? get selectedWallet => _selectedWallet;
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final bool _isHidden = true;
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bool get isHidden => _isHidden;
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bool _isRefreshingBalances = false;
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bool get isRefreshingBalances => _isRefreshingBalances;
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void selectWallet(Wallet wallet) {
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_selectedWallet = wallet;
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notifyListeners();
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}
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Future<void> loadWalletsWithBalances() async {
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_setResource(_resource.copyWith(isLoading: true, error: null));
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try {
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final base = await _service.getWallets();
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final withBalances = <Wallet>[];
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for (final wallet in base) {
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try {
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final balance = await _service.getBalance(wallet.id);
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withBalances.add(wallet.copyWith(balance: balance));
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} catch (e) {
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_setResource(_resource.copyWith(error: toException(e)));
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withBalances.add(wallet);
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}
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}
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_setResource(Resource(data: withBalances, isLoading: false, error: _resource.error));
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} catch (e) {
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_setResource(_resource.copyWith(isLoading: false, error: toException(e)));
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}
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}
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Future<void> refreshBalances() async {
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if (wallets.isEmpty) return;
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_isRefreshingBalances = true;
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notifyListeners();
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try {
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final updated = <Wallet>[];
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for (final wallet in wallets) {
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final balance = await _service.getBalance(wallet.id);
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updated.add(wallet.copyWith(balance: balance));
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}
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_setResource(_resource.copyWith(data: updated));
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} catch (e) {
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_setResource(_resource.copyWith(error: toException(e)));
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} finally {
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_isRefreshingBalances = false;
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notifyListeners();
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}
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}
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void toggleVisibility(String walletId) {
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final index = wallets.indexWhere((w) => w.id == walletId);
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if (index < 0) return;
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final wallet = wallets[index];
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final updated = wallet.copyWith(isHidden: !wallet.isHidden);
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final next = List<Wallet>.from(wallets);
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next[index] = updated;
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_setResource(_resource.copyWith(data: next));
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if (_selectedWallet?.id == walletId) {
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_selectedWallet = updated;
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}
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}
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void _setResource(Resource<List<Wallet>> newResource) {
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_resource = newResource;
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notifyListeners();
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}
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}
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