private static void AddExpenseToVatNumber(List <VatNumber> vats)
{
VatNumber selected = SelectVat(vats);
if (selected != null)
{
selected.AddExpense();
}
else
{
Console.WriteLine("The entered VAT number does not exist!");
}
}
private static void CalculateTotalsOfVatNumber(List <VatNumber> vats)
{
VatNumber selected = SelectVat(vats);
if (selected != null)
{
selected.CalculateAndPrint();
}
else
{
Console.WriteLine("The entered VAT number does not exist!");
}
// per essere "a oggetti" al 100% dovrei eliminare tutti branch, if/else, switch, ecc.
// però rischio di scrivere codice più oscuro e più difficile da gestire.
//Dictionary<bool, Action> dict = new Dictionary<bool, Action>
//{
// { true, () => selected.CalculateAndPrint() },
// { false, () => Console.WriteLine("The entered VAT number does not exist!") },
//};
//dict[selected != null]();
}