public void addMemberToBookRequest(Book book, Member member) {
if (isClubMember(member) && isClubBook(book)) {
String isbnNumber = book.getIsbnNumber();
if (isBookBorrowed(book)) {
getBookRequest(book).addToQueue(member);
} else {
BookQueue bookQueue = new BookQueue();
bookQueue.addToQueue(member);
borrowedBooks.put(isbnNumber, bookQueue);
}
}
}
public int getBookRequestSize(Book book) {
int numberOfBookRequest = 0;
if (borrowedBooks.containsKey(book.getIsbnNumber()))
numberOfBookRequest = borrowedBooks.get(book.getIsbnNumber()).getSizeOfQueue();
return numberOfBookRequest;
}
private BookQueue getBookRequest(Book book) {
return borrowedBooks.get(book.getIsbnNumber());
}
public int getNumberOfBorrowedBooks() {
return borrowedBooks.size();
}
private boolean isBookBorrowed(Book book) {
return borrowedBooks.containsKey(book.getIsbnNumber());
}