mirror of
https://github.com/cypherstack/stack_wallet.git
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77 lines
2 KiB
Dart
77 lines
2 KiB
Dart
/*
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* This file is part of Stack Wallet.
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*
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* Copyright (c) 2023 Cypher Stack
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* All Rights Reserved.
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* The code is distributed under GPLv3 license, see LICENSE file for details.
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* Generated by Cypher Stack on 2023-05-26
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*
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*/
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import 'package:flutter/cupertino.dart';
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import 'package:stackwallet/db/hive/db.dart';
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import 'package:stackwallet/models/exchange/response_objects/trade.dart';
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class TradesService extends ChangeNotifier {
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List<Trade> get trades {
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final list = DB.instance.values<Trade>(boxName: DB.boxNameTradesV2);
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list.sort((a, b) =>
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b.timestamp.millisecondsSinceEpoch -
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a.timestamp.millisecondsSinceEpoch);
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return list;
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}
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Trade? get(String tradeId) {
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try {
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return DB.instance
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.values<Trade>(boxName: DB.boxNameTradesV2)
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.firstWhere((e) => e.tradeId == tradeId);
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} catch (_) {
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return null;
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}
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}
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Future<void> add({
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required Trade trade,
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required bool shouldNotifyListeners,
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}) async {
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await DB.instance
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.put<Trade>(boxName: DB.boxNameTradesV2, key: trade.uuid, value: trade);
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if (shouldNotifyListeners) {
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notifyListeners();
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}
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}
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Future<void> edit({
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required Trade trade,
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required bool shouldNotifyListeners,
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}) async {
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if (DB.instance.get<Trade>(boxName: DB.boxNameTradesV2, key: trade.uuid) ==
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null) {
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throw Exception("Attempted to edit a trade that does not exist in Hive!");
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}
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// add overwrites so this edit function is just a wrapper with an extra check
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await add(trade: trade, shouldNotifyListeners: shouldNotifyListeners);
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}
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Future<void> delete({
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required Trade trade,
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required bool shouldNotifyListeners,
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}) async {
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await deleteByUuid(
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uuid: trade.uuid, shouldNotifyListeners: shouldNotifyListeners);
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}
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Future<void> deleteByUuid({
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required String uuid,
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required bool shouldNotifyListeners,
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}) async {
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await DB.instance.delete<Trade>(boxName: DB.boxNameTradesV2, key: uuid);
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if (shouldNotifyListeners) {
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notifyListeners();
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}
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}
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}
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