public Loan(Person lender, Person borrower, decimal principle, decimal interestRate, DateTime openingDate)
{
_Lender = lender;
_Borrower = borrower;
_InitialPrinciple = principle;
_APR = interestRate;
_OpeningDate = openingDate;
_Payments = new SortedList<DateTime, Payment>();
}
public PersonViewModel(IMessageBus messenger, Person person)
{
myPerson = person;
this.LoansInRepayment =
myPerson
.Borrowed
.Where(l => l.OutstandingBalance(DateTime.Now) > 0)
.Select(l => new LoanViewModel(myMessenger, l));
myMessenger = messenger;
myMessenger
.Listen<Person>("BalanceChanged")
.ObserveOnDispatcher()
.Subscribe(
p =>
{
if (p == myPerson)
NotifyPropertyChanged("Balance");
});
}
public bool Borrow(Person lender, decimal amount)
{
Contract.Requires(lender != null);
Contract.Requires(amount > 0);
if (!lender.Withdraw(amount))
{
return false;
}
else
{
this.Deposit(amount);
}
var loan = new Loan(lender, this, amount, 6.0m);
this._Borrowed.Add(loan);
lender._Lent.Add(loan);
return true;
}
public Loan(Person lender, Person borrower, decimal principle, decimal interest)
: this(lender, borrower, principle, interest, DateTime.Now)
{
}