public void BookScanned(int bookID)
{
if (bookID <= 0)
{
throw new ArgumentException(String.Format("BorrowCTL : bookScanned : bookID cannot be <= 0."));
}
if (state != BorrowCTLConstants.State.BORROWING)
{
throw new ApplicationException(
String.Format("BorrowCTL : cardScanned : illegal operation in state: {0}", state));
}
book = bookDAO.GetBookByID(bookID);
if (book == null)
{
throw new ApplicationException(String.Format("BorrowCTL : bookScanned : bookID not found"));
}
if (book.State != BookConstants.BookState.AVAILABLE)
{
throw new ApplicationException(String.Format("BorrowCTL : bookScanned : illegal BookState: %s", book.State));
}
if (bookList.Contains(book))
{
throw new ApplicationException(String.Format("BorrowCTL : bookScanned : book %d already scanned: ", book.ID));
}
DateTime borrowDate = DateTime.Now;
TimeSpan loanPeriod = new TimeSpan(LoanConstants.LOAN_PERIOD, 0, 0, 0);
DateTime dueDate = borrowDate.Add(loanPeriod);
loanDAO.CreatePendingLoan(member, book, borrowDate, dueDate);
bookList.Add(book);
pendingLoanCount++;
atLoanLimit = ((existingLoanCount + pendingLoanCount) >= MemberConstants.LOAN_LIMIT);
further_borrowing_allowed = !(overdue || atLoanLimit || overFineLimit);
ui.DisplayBook(book);
pendingList = loanDAO.GetPendingList(member);
ui.DisplayPendingList(pendingList);
if (atLoanLimit)
{
state = BorrowCTLConstants.State.COMPLETED;
ui.SetState(state);
pendingList = loanDAO.GetPendingList(member);
ui.DisplayCompletedList(pendingList);
}
}
public void RejectPendingList()
{
if (state != BorrowCTLConstants.State.COMPLETED)
{
throw new ApplicationException(
String.Format("BorrowCTL : rejectPendingList : illegal operation in state: {0}", state));
}
pendingList = loanDAO.GetPendingList(member);
pendingList.Clear();
bookList.Clear();
pendingLoanCount = 0;
state = BorrowCTLConstants.State.BORROWING;
ui.SetState(state);
ui.ScanBook();
}
public void ScansCompleted()
{
if (state != BorrowCTLConstants.State.BORROWING)
{
throw new ApplicationException(
String.Format("BorrowCTL : scanNext : illegal operation in state: {0}", state));
}
state = BorrowCTLConstants.State.COMPLETED;
ui.SetState(state);
pendingList = loanDAO.GetPendingList(member);
ui.DisplayCompletedList(pendingList);
}
public void Initialise()
{
state = BorrowCTLConstants.State.STARTED;
ui.Initialise(this);
ui.SetState(state);
}
public void ConfirmPendingList()
{
if (state != BorrowCTLConstants.State.COMPLETED)
{
throw new ApplicationException(
String.Format("BorrowCTL : confirmPendingList : illegal operation in state: {0}", state));
}
loanDAO.CommitPendingLoans(member);
bookList = null;
state = BorrowCTLConstants.State.CONFIRMED;
ui.SetState(state);
ui.PrintLoanSlip();
}
public void CardScanned(int memberID)
{
if (memberID <= 0)
{
throw new ArgumentException(String.Format("BorrowCTL : cardScanned : memberID cannot be <= 0."));
}
if (state != BorrowCTLConstants.State.STARTED)
{
throw new ApplicationException(
String.Format("BorrowCTL : cardScanned : illegal operation in state: {0}", state));
}
member = memberDAO.GetMemberByID(memberID);
if (member == null)
{
throw new ApplicationException(String.Format("BorrowCTL : cardScanned : memberID not found"));
}
overdue = member.HasOverDueLoans;
atLoanLimit = member.HasReachedLoanLimit;
overFineLimit = member.HasReachedFineLimit;
further_borrowing_allowed = !(overdue || atLoanLimit || overFineLimit);
existingLoanCount = member.Loans.Count;
ui.DisplayBorrowerDetails(member);
if (further_borrowing_allowed)
{
state = BorrowCTLConstants.State.BORROWING;
ui.SetState(state);
loanDAO.CreateNewPendingList(member);
bookList.Clear();
ui.ScanBook();
}
else
{
state = BorrowCTLConstants.State.DISALLOWED;
ui.SetState(state);
}
}
public void Cancel()
{
if (state != BorrowCTLConstants.State.STARTED && state != BorrowCTLConstants.State.DISALLOWED)
{
loanDAO.ClearPendingLoans(member);
}
state = BorrowCTLConstants.State.ENDED;
ui.SetState(state);
}
public void BorrowUcEnded()
{
if (state != BorrowCTLConstants.State.CONFIRMED)
{
throw new ApplicationException(
String.Format("BorrowCTL : borrowUCended : illegal operation in state: {0}", state));
}
state = BorrowCTLConstants.State.ENDED;
ui.SetState(state);
}
