public static decimal GetRestPenalty(this IPayableDocument payableDocument)
{
decimal fullAmountOfDebt = GetActualFullAmountOfDebt(payableDocument);
decimal duty = GetActualDuty(payableDocument);;
decimal penalty = GetActualPenalty(payableDocument);
decimal paid = (duty + penalty) - fullAmountOfDebt;
if ((paid - duty) >= penalty)
{
return(0);
}
return(penalty - (paid - duty));
}
private static decimal GetActualDuty(IPayableDocument payableDocument)
{
return(payableDocument.CorrectedAmountOfDuty != null ?
payableDocument.CorrectedAmountOfDuty.Value :
payableDocument.AmountOfDuty);
}
private static decimal GetActualFullAmountOfDebt(IPayableDocument payableDocument)
{
return payableDocument.FullAmountOfDebt != null ?
payableDocument.FullAmountOfDebt.Value :
0;
}
private static decimal GetActualFullAmountOfDebt(IPayableDocument payableDocument)
{
return(payableDocument.FullAmountOfDebt != null ?
payableDocument.FullAmountOfDebt.Value :
0);
}
private static decimal GetActualPenalty(IPayableDocument payableDocument)
{
return payableDocument.CorrectedAmountOfPenalty != null ?
payableDocument.CorrectedAmountOfPenalty.Value :
payableDocument.AmountOfPenalty;
}