cake_wallet/lib/view_model/lightning_invoice_page_view_model.dart

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2024-02-14 17:34:52 +00:00
import 'package:cake_wallet/anonpay/anonpay_api.dart';
import 'package:cake_wallet/anonpay/anonpay_invoice_info.dart';
import 'package:cake_wallet/anonpay/anonpay_request.dart';
import 'package:cake_wallet/core/execution_state.dart';
import 'package:cake_wallet/entities/fiat_currency.dart';
import 'package:cake_wallet/entities/preferences_key.dart';
import 'package:cake_wallet/entities/receive_page_option.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:cw_core/crypto_currency.dart';
import 'package:cw_core/currency.dart';
import 'package:cw_core/wallet_base.dart';
import 'package:cw_core/wallet_type.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
import 'package:shared_preferences/shared_preferences.dart';
part 'lightning_invoice_page_view_model.g.dart';
class LightningInvoicePageViewModel = LightningInvoicePageViewModelBase with _$LightningInvoicePageViewModel;
abstract class LightningInvoicePageViewModelBase with Store {
LightningInvoicePageViewModelBase(
this.address,
this.settingsStore,
this._wallet,
// this._anonpayInvoiceInfoSource,
this.sharedPreferences,
this.pageOption,
) : description = '',
amount = '',
state = InitialExecutionState(),
selectedCurrency = walletTypeToCryptoCurrency(_wallet.type),
cryptoCurrency = walletTypeToCryptoCurrency(_wallet.type) {
// _getPreviousDonationLink();
// _fetchLimits();
}
List<Currency> get currencies => [walletTypeToCryptoCurrency(_wallet.type), ...FiatCurrency.all];
final String address;
final SettingsStore settingsStore;
final WalletBase _wallet;
// final Box<AnonpayInvoiceInfo> _anonpayInvoiceInfoSource;
final SharedPreferences sharedPreferences;
final ReceivePageOption pageOption;
@observable
Currency selectedCurrency;
CryptoCurrency cryptoCurrency;
@observable
String description;
@observable
String amount;
@observable
ExecutionState state;
@computed
int get selectedCurrencyIndex => currencies.indexOf(selectedCurrency);
@observable
double? minimum;
@observable
double? maximum;
@action
void selectCurrency(Currency currency) {
selectedCurrency = currency;
maximum = minimum = null;
if (currency is CryptoCurrency) {
cryptoCurrency = currency;
} else {
cryptoCurrency = walletTypeToCryptoCurrency(_wallet.type);
}
_fetchLimits();
}
@action
Future<void> createInvoice() async {
state = IsExecutingState();
if (amount.isNotEmpty) {
final amountInCrypto = double.tryParse(amount);
if (amountInCrypto == null) {
state = FailureState('Amount is invalid');
return;
}
if (minimum != null && amountInCrypto < minimum!) {
state = FailureState('Amount is too small');
return;
}
if (maximum != null && amountInCrypto > maximum!) {
state = FailureState('Amount is too big');
return;
}
}
// final result = await anonPayApi.createInvoice(AnonPayRequest(
// cryptoCurrency: cryptoCurrency,
// address: address,
// amount: amount.isEmpty ? null : amount,
// description: description,
// fiatEquivalent:
// selectedCurrency is FiatCurrency ? (selectedCurrency as FiatCurrency).raw : null,
// ));
// _anonpayInvoiceInfoSource.add(result);
// state = ExecutedSuccessfullyState(payload: result);
}
@action
void setRequestParams({
required String inputAmount,
required String inputDescription,
}) {
description = inputDescription;
amount = inputAmount;
}
Future<void> _fetchLimits() async {
// final limit = await anonPayApi.fetchLimits(
// cryptoCurrency: cryptoCurrency,
// fiatCurrency: selectedCurrency is FiatCurrency ? selectedCurrency as FiatCurrency : null,
// );
// minimum = limit.min;
// maximum = limit.max != null ? limit.max! / 4 : null;
}
@action
void reset() {
selectedCurrency = walletTypeToCryptoCurrency(_wallet.type);
cryptoCurrency = walletTypeToCryptoCurrency(_wallet.type);
description = '';
amount = '';
_fetchLimits();
}
}