public ICardOperator GetInstance(CardFlag flag)
{
switch (flag)
{
case CardFlag.Visa:
return(new Visa());
case CardFlag.Master:
return(new Master());
default:
throw new ArgumentOutOfRangeException(nameof(flag));
}
}
public void AddCredit(int userId, string cardNumber, int verificationCode, string name, CardFlag flag, decimal value)
{
_factory.GetInstance(flag).Debit(name, cardNumber, verificationCode, value);
var wallet = GetOrCreateWallet(userId);
wallet.AddCredit(value);
_ctx.SaveChanges();
}
