@Override
public void cardSwiped(int memberID) {
System.out.println("cardSwiped: got " + memberID);
if (!state.equals(EBorrowState.INITIALIZED)) {
throw new RuntimeException(
String.format("BorrowUC_CTL : cardSwiped : illegal operation in state: %s", state));
}
borrower = memberDAO.getMemberByID(memberID);
if (borrower == null) {
ui.displayErrorMessage(String.format("Member ID %d not found", memberID));
return;
}
boolean overdue = borrower.hasOverDueLoans();
boolean atLoanLimit = borrower.hasReachedLoanLimit();
boolean hasFines = borrower.hasFinesPayable();
boolean overFineLimit = borrower.hasReachedFineLimit();
boolean borrowing_restricted = (overdue || atLoanLimit || overFineLimit);
if (borrowing_restricted) {
setState(EBorrowState.BORROWING_RESTRICTED);
} else {
setState(EBorrowState.SCANNING_BOOKS);
}
// display member details
int mID = borrower.getID();
String mName = borrower.getFirstName() + " " + borrower.getLastName();
String mContact = borrower.getContactPhone();
ui.displayMemberDetails(mID, mName, mContact);
if (hasFines) {
float amountOwing = borrower.getFineAmount();
ui.displayOutstandingFineMessage(amountOwing);
}
if (overdue) {
ui.displayOverDueMessage();
}
if (atLoanLimit) {
ui.displayAtLoanLimitMessage();
}
if (overFineLimit) {
System.out.println("State: " + state);
float amountOwing = borrower.getFineAmount();
ui.displayOverFineLimitMessage(amountOwing);
}
// display existing loans
String loanString = buildLoanListDisplay(borrower.getLoans());
ui.displayExistingLoan(loanString);
}
@Override
public void bookScanned(int barcode) {
System.out.println("bookScanned: got " + barcode);
if (state != EBorrowState.SCANNING_BOOKS) {
throw new RuntimeException(
String.format("BorrowUC_CTL : bookScanned : illegal operation in state: %s", state));
}
ui.displayErrorMessage("");
IBook book = bookDAO.getBookByID(barcode);
if (book == null) {
ui.displayErrorMessage(String.format("Book %d not found", barcode));
return;
}
if (book.getState() != EBookState.AVAILABLE) {
ui.displayErrorMessage(
String.format("Book %d is not available: %s", book.getID(), book.getState()));
return;
}
if (bookList.contains(book)) {
ui.displayErrorMessage(String.format("Book %d already scanned: ", book.getID()));
return;
}
scanCount++;
bookList.add(book);
ILoan loan = loanDAO.createLoan(borrower, book);
loanList.add(loan);
// display current book
ui.displayScannedBookDetails(book.toString());
// display pending loans
ui.displayPendingLoan(buildLoanListDisplay(loanList));
if (scanCount >= IMember.LOAN_LIMIT) {
setState(EBorrowState.CONFIRMING_LOANS);
}
}
public void initialise() {
previous = display.getDisplay();
display.setDisplay((JPanel) ui, "Borrow UI");
setState(EBorrowState.INITIALIZED);
}
@Override
public void loansRejected() {
System.out.println("Loans Rejected");
setState(EBorrowState.SCANNING_BOOKS);
}
@Override
public void loansConfirmed() {
setState(EBorrowState.COMPLETED);
}
@Override
public void scansCompleted() {
setState(EBorrowState.CONFIRMING_LOANS);
}
@Override
public void cancelled() {
setState(EBorrowState.CANCELLED);
}