private void WithDraw(object sender, EventArgs e)
{
if (_atm.Balance < _view.WithDrawSum)
{
_view.ShowMessage("Недостаточно средств!", "Ошибка!");
return;
}
if (_view.WithDrawSum == 0)
{
_view.ShowMessage("Введите сумму изъятия!", "Ошибка!");
return;
}
var result = _atm.CalculateWithDraw(_view.WithDrawSum, _view.PreferNominal);
var withDrawAmount = 0;
var sb = new StringBuilder();
foreach (var pair in result)
{
sb.Append($"{pair.Key}р.: {pair.Value}шт, ");
withDrawAmount += pair.Key * pair.Value;
}
sb.Append($"Выдано : {withDrawAmount}");
_atm.Balance -= withDrawAmount;
_view.ShowBalance(_atm.Balance);
_view.UpdateAtmLoading(_atm.AtmCurrentLoad, _atm.MaxBankNotesCapacity);
_view.ShowMessage(sb.ToString(), "Готово");
}