public override Trancation refill(double sum)
{
ResSum += sum;
TrancationOperation transaction = new TrancationOperation(this, sum);
return(transaction);
}
public override Trancation withdrawals(Person person, double sum)
{
if (sum <= ResSum + CreditLimit && person.Reliable)
{
ResSum -= sum;
TrancationOperation transaction = new TrancationOperation(this, -sum);
return(transaction);
}
else
{
if (sum <= ResSum + CreditLimit && sum <= MaxTransSum)
{
ResSum -= sum;
TrancationOperation transaction = new TrancationOperation(this, -sum);
return(transaction);
}
else
{
throw new Exception("sum > ResSum or person not reliable");
}
}
}
