cake_wallet/lib/view_model/buy/buy_view_model.dart
2022-07-01 12:04:00 +01:00

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3 KiB
Dart

import 'package:cake_wallet/buy/buy_provider.dart';
import 'package:cake_wallet/buy/moonpay/moonpay_buy_provider.dart';
import 'package:cake_wallet/buy/wyre/wyre_buy_provider.dart';
import 'package:cw_core/crypto_currency.dart';
import 'package:cake_wallet/entities/fiat_currency.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cake_wallet/view_model/buy/buy_item.dart';
import 'package:flutter/foundation.dart';
import 'package:hive/hive.dart';
import 'package:cake_wallet/buy/order.dart';
import 'package:cake_wallet/store/dashboard/orders_store.dart';
import 'package:mobx/mobx.dart';
import 'package:cw_core/wallet_base.dart';
import 'buy_amount_view_model.dart';
part 'buy_view_model.g.dart';
class BuyViewModel = BuyViewModelBase with _$BuyViewModel;
abstract class BuyViewModelBase with Store {
BuyViewModelBase(this.ordersSource, this.ordersStore, this.settingsStore,
this.buyAmountViewModel, {@required this.wallet}) {
_fetchBuyItems();
isRunning = false;
isDisabled = true;
isShowProviderButtons = false;
}
final Box<Order> ordersSource;
final OrdersStore ordersStore;
final SettingsStore settingsStore;
final BuyAmountViewModel buyAmountViewModel;
final WalletBase wallet;
@observable
BuyProvider selectedProvider;
@observable
List<BuyItem> items;
@observable
bool isRunning;
@observable
bool isDisabled;
@observable
bool isShowProviderButtons;
WalletType get type => wallet.type;
double get doubleAmount => buyAmountViewModel.doubleAmount;
@computed
FiatCurrency get fiatCurrency => buyAmountViewModel.fiatCurrency;
CryptoCurrency get cryptoCurrency => walletTypeToCryptoCurrency(type);
Future <String> fetchUrl() async {
String _url = '';
try {
_url = await selectedProvider
?.requestUrl(doubleAmount?.toString(), fiatCurrency.title);
} catch (e) {
print(e.toString());
}
return _url;
}
Future<void> saveOrder(String orderId) async {
try {
final order = await selectedProvider?.findOrderById(orderId);
order.from = fiatCurrency.title;
order.to = cryptoCurrency.title;
await ordersSource.add(order);
ordersStore.setOrder(order);
} catch (e) {
print(e.toString());
}
}
void reset() {
buyAmountViewModel.amount = '';
selectedProvider = null;
}
Future<void> _fetchBuyItems() async {
final List<BuyProvider> _providerList = [];
if (wallet.type == WalletType.bitcoin) {
_providerList.add(WyreBuyProvider(wallet: wallet));
}
var isMoonPayEnabled = false;
try {
isMoonPayEnabled = await MoonPayBuyProvider.onEnabled();
} catch (e) {
isMoonPayEnabled = false;
print(e.toString());
}
if (isMoonPayEnabled ?? false) {
_providerList.add(MoonPayBuyProvider(wallet: wallet));
}
items = _providerList.map((provider) =>
BuyItem(provider: provider, buyAmountViewModel: buyAmountViewModel))
.toList();
}
}