public void DeleteDebt(DebtEntry item)
{
DebtEntry oldItem = null;
foreach (var entry in _debtEntries)
{
if (entry.Id == item.Id)
{
oldItem = entry;
break;
}
}
if (oldItem != null)
{
_debtEntries.Remove(oldItem);
}
}
public void UpdateDebt(DebtEntry newItem)
{
DebtEntry oldItem = null;
foreach (var entry in _debtEntries)
{
if (entry.Id == newItem.Id)
{
oldItem = entry;
break;
}
}
if (oldItem != null)
{
_debtEntries.Remove(oldItem);
}
_debtEntries.Add(newItem);
}
private AmortizationEntry ApplyMonthlyPayment(DateTime currentDate, DebtEntry debtEntry,
PaymentManager paymentManager, ref double additionalPrincipal, bool applySnowball)
{
double startingBalance = debtEntry.CurrentBalance;
double interestPortion = debtEntry.MonthlyInterest * debtEntry.CurrentBalance;
double minimumMonthlyPayment = debtEntry.MinimumMonthlyPayment;
if (debtEntry.DebtType == DebtType.CreditCard &&
minimumMonthlyPayment < debtEntry.MinimumMonthlyPaymentLimit)
{
minimumMonthlyPayment = debtEntry.MinimumMonthlyPaymentLimit;
}
double minimumPrincipal = debtEntry.MinimumMonthlyPayment - interestPortion;
double principalPortion = minimumPrincipal + additionalPrincipal;
double possibleBalance = debtEntry.CurrentBalance - principalPortion;
if (possibleBalance < 0)
{
if (minimumPrincipal >= debtEntry.CurrentBalance)
{
minimumPrincipal = debtEntry.CurrentBalance - interestPortion;
additionalPrincipal = 0;
}
else
{
additionalPrincipal = debtEntry.CurrentBalance - minimumPrincipal - interestPortion;
}
debtEntry.CurrentBalance = 0;
if (applySnowball)
{
paymentManager.WindfallEntries.Add(new WindfallEntry(string.Empty, Math.Abs(possibleBalance), currentDate.AddMonths(1)));
if (paymentManager.SnowballEntries.Count > 0)
{
paymentManager.SnowballEntries [0].Amount += debtEntry.MinimumMonthlyPayment;
}
else
{
paymentManager.SnowballEntries.Add (new SnowballEntry ("Temp", debtEntry.MinimumMonthlyPayment));
}
}
}
else if (possibleBalance > debtEntry.CurrentBalance)
{
debtEntry.Name += " INVALID!";
debtEntry.CurrentBalance = -9999;
}
else
{
debtEntry.CurrentBalance = possibleBalance;
}
AmortizationEntry output = new AmortizationEntry(
debtEntry.Name, debtEntry.DebtType, currentDate, startingBalance, interestPortion,
minimumPrincipal, additionalPrincipal, debtEntry.CurrentBalance);
// We always use up all of the additional principle, otherwise it gets added as a windfall the
// following month
additionalPrincipal = 0;
return output;
}
public void AssignDebt(DebtEntry debt)
{
if (debt != null)
{
_debtEntry = debt;
}
}
