// removes the new books order item request placed by the customer on delivering it
public List<OrderItem> removeNewBookOrderItem(Book book, List<OrderItem> list) {
try {
Book book1 = new Book();
for (int i = list.size() - 1; i >= 0; i--) {
OrderItem oi = list.get(i);
if (oi.getBook().getProductName().trim().equals(book.getProductName())
&& oi.getBook().getAuthor().trim().equals(book.getAuthor())
&& oi.getBook().getEdition().trim().equals(book.getEdition())
&& oi.getBook().getActive() == book.getActive()) {
list.remove(i);
book1 = oi.getBook();
if (book1.getActive() == 0) {
Session session1 = HibernateUtil.getSessionFactory().openSession();
Transaction tx1 = session1.beginTransaction();
Book book2 = (Book) session1.get(Book.class, book1.getProductId());
if (book.getOrderitemList() != null) {
session1.delete(book2.getInventoryItem());
}
session1.delete(book2);
tx1.commit();
close();
}
break;
}
}
} catch (Exception e) {
System.out.print("Can not delete");
}
return list;
}
// updates the details of an order item
public void updateItem(String status, Float cost, int oid) {
try {
Session session1 = HibernateUtil.getSessionFactory().openSession();
Transaction tx1 = session1.beginTransaction();
OrderItem oi1 = (OrderItem) session1.get(OrderItem.class, oid);
oi1.setItemStatus(status);
Book book = oi1.getBook();
int bookId = book.getProductId();
Book book1 = (Book) session1.get(Book.class, bookId);
session1.update(oi1);
session1.update(book1);
tx1.commit();
close();
} catch (Exception e) {
e.printStackTrace();
}
}
// updates the order item cost for the books to be sold by the customer
public Boolean updateOrderitemCost(int orderitemId, Float cost) {
Boolean flag = false;
try {
Session session1 = HibernateUtil.getSessionFactory().openSession();
Transaction tx1 = session1.beginTransaction();
OrderItem orderitem = (OrderItem) session1.get(OrderItem.class, orderitemId);
Book book = orderitem.getBook();
book.setProductCost(cost);
orderitem.setBook(book);
DifferentOrder order = orderitem.getOrderNo();
order.setOrderAmount(orderitem.getQuantity() * orderitem.getBook().getProductCost());
orderitem.setOrderNo(order);
session1.update(order);
session1.update(orderitem);
flag = true;
tx1.commit();
session1.close();
} catch (Exception e) {
e.printStackTrace();
}
return flag;
}