public IScreen HandleInput(string input)
{
if (input == "q")
{
dataBus.Remove(Constants.DataKeys.SelectedProduct);
}
else
{
int quantity = -1;
if (!int.TryParse(input, out quantity) || quantity < 1)
{
throw new InvalidInputException("Invalid quantity");
}
User currentUser = dataBus.GetData <User>(Constants.DataKeys.User)
.Assert(() => new InvalidOperationException("Select user"));
transactionsFacade.Buy(currentUser.Name, _product.Id, quantity);
dataBus.SetData(Constants.DataKeys.User, usersRepository.GetByName(currentUser.Name));
}
return(mainScreen.Value);
}
private void ShowUserInfo()
{
User user = dataBus.GetData <User>(Constants.DataKeys.User);
if (user != null)
{
presenter.WriteLine($"Selected user: {user.Name}. Money: {user.Amount}");
presenter.WriteLine("--------------------------------\n");
}
else
{
presenter.WriteLine("Please, select user");
presenter.WriteLine("--------------------------------\n");
}
}
public IScreen HandleInput(string input)
{
switch (input)
{
case "1": return(selectUserScreen.Value);
case "2": return(inputUserScreen.Value);
case "3":
{
if (dataBus.GetData <User>(Constants.DataKeys.User) == null)
{
throw new InvalidInputException("To buy products select the user first");
}
return(productsScreen.Value);
}
default: return(null);
}
}