public override void Execute(object parameter)
{
_viewModel.ClearMessages();
try
{
double price = _priceService.GetPrice(_viewModel.ItemName);
double totalPrice = price * _viewModel.Quantity;
_viewModel.StatusMessage = $"Successfully bought {_viewModel.Quantity} {_viewModel.ItemName} for {totalPrice:C}.";
}
catch (ItemPriceNotFoundException)
{
_viewModel.ErrorMessage = $"Failed to buy item. Unable to find price of {_viewModel.ItemName}.";
}
}
