public Bill(string billID, string description, decimal amount, DateTime issueDate, DateTime dueDate, PaymentMethod paymentMethod)
{
this.billID = billID;
this.description = description;
this.amount = amount;
this.issueDate = issueDate;
this.dueDate = dueDate.Date;
this.paymentResult = (int)BillPaymentResult.ToCollect;
this.assignedPaymentMethod = paymentMethod;
this.paymentAgreements = new Dictionary<DateTime, PaymentAgreement>();
}
private void SetBillAsUnpaid()
{
paymentResult = BillPaymentResult.Unpaid;
CancellAnyAgreementsActiveForBill();
}
private void SetBillAsToCollect()
{
paymentResult = BillPaymentResult.ToCollect;
}
public void RenegotiateBill(PaymentAgreement renegotiationAgreement)
{
paymentResult = BillPaymentResult.Renegotiated;
this.renegotiationAgreement = renegotiationAgreement;
}
public void PayBill(Payment payment)
{
if (this.amount != payment.PaymentAmount)
throw new System.ArgumentException("Only payments for the bill total amount are accepted", "payment");
this.payment = payment;
paymentResult = BillPaymentResult.Paid;
}
public void CancelBill()
{
paymentResult = BillPaymentResult.CancelledOut;
}
