/// <summary>
/// Processes the extra repayment.
/// </summary>
/// <param name="balance">The balance.</param>
/// <param name="extraRepaymentAmount">The extra repayment amount.</param>
/// <param name="currentDate">The current date.</param>
/// <param name="result">The result.</param>
private double ProcessExtraRepayment(double balance, double extraRepaymentAmount, DateTime currentDate, LoanCalculationOutput result)
{
if(balance >= extraRepaymentAmount)
{
// add extra repay transaction (if amount is more than 0)
balance -= extraRepaymentAmount;
LoanTransaction transaction = new LoanTransaction(currentDate, TransactionType.ExtraRepayment, extraRepaymentAmount, 0.0d, balance);
result.Transactions.Add(transaction);
}
return (balance);
}
/// <summary>
/// Processes the minimum repayment.
/// </summary>
/// <param name="balance">The balance.</param>
/// <param name="context">The context.</param>
/// <param name="currentDate">The current date.</param>
/// <param name="monthlyInterest">The monthly interest.</param>
/// <param name="result">The result.</param>
private double ProcessMinRepayment(double balance, double minRepaymentAmount, DateTime currentDate, double monthlyInterest, LoanCalculationOutput result)
{
// add min repay transaction
if ((balance + monthlyInterest) <= minRepaymentAmount)
{
double finalRepayment = 0.0d;
balance += monthlyInterest;
finalRepayment = balance;
balance -= finalRepayment;
LoanTransaction transaction = new LoanTransaction(currentDate, TransactionType.FinalRepayment, finalRepayment, 0.0d, balance);
result.Transactions.Add(transaction);
}
else
{
balance -= minRepaymentAmount;
LoanTransaction transaction = new LoanTransaction(currentDate, TransactionType.MinimumRepayment, minRepaymentAmount, 0.0d, balance);
result.Transactions.Add(transaction);
}
return (balance);
}
/// <summary>
/// Processes the end of month.
/// </summary>
/// <param name="currentDate">The current date.</param>
/// <param name="monthlyInterest">The monthly interest.</param>
/// <param name="balance">The balance.</param>
/// <param name="result">The result.</param>
private double ProcessEndOfMonth(DateTime currentDate, double monthlyInterest, double balance, LoanCalculationOutput result)
{
// add interest charged transaction
balance += monthlyInterest;
// calculate the total interest paid
result.TotalInterestPaid += monthlyInterest;
LoanTransaction transaction = new LoanTransaction(currentDate, TransactionType.InterestCharged, 0.0d, monthlyInterest, balance);
result.Transactions.Add(transaction);
return (balance);
}