public async Task <Result <PurseDto> > FillUpPurse(MoneyTransactionParam param)
{
var availableCurrencies = await _currencyProvider.GetAvailableCurrencies();
if (!availableCurrencies.Contains(param.Currency))
{
return(new Result <PurseDto>().SetUnprocessable($"Currency {param.Currency} not supported"));
}
var purse = await _purseRepository.GetOrCreatePurse(param.UserId.Value);
purse.FillUp(param.Currency, param.Sum.Value);
await _purseRepository.Commit();
return(new Result <PurseDto>(purse.ToDto()));
}
public MainWindowViewModel(ICurrencyConverter currencyConverter,
ICurrencyProvider currencyProvider)
{
_currencyConverter = currencyConverter;
ConvertCommand = new RelayCommand(Convert, CanConvert);
Currencies = new ObservableCollection <CurrencyCodes>(currencyProvider.GetAvailableCurrencies());
SelectedFromCurrency = Currencies.FirstOrDefault();
SelectedToCurrency = Currencies.LastOrDefault();
}