public void CalculateLiabilityTest(
decimal amount,
decimal extraMoney,
int days,
int daysDelay,
decimal interestRate,
decimal liability)
{
var payment = new Payment
{
Amount = amount,
DueDate = DateTime.Now.AddDays(-daysDelay)
};
var result = PaymentHelper.CalculateLiability(payment, extraMoney, interestRate, days);
Assert.IsTrue(Math.Abs(result - liability) < NumericConstants.Eps);
}
public static IEnumerable <Payment> CalculateLiability(this IEnumerable <Payment> data, decimal extraMoney, Deal deal)
{
foreach (var payment in data.Where(x => !x.IsPaid).OrderBy(x => x.DueDate))
{
if (extraMoney > 0)
{
payment.Liability = PaymentHelper.CalculateLiability(payment, extraMoney, deal.InterestRate, deal.DealPeriod);
extraMoney = 0;
}
else
{
payment.Liability = PaymentHelper.CalculateLiability(payment, 0, deal.InterestRate, deal.DealPeriod);
}
}
return(data);
}