BillBean.java
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package fi.insomnia.bortal.beans;
import java.io.ByteArrayOutputStream;
import java.math.BigDecimal;
import javax.ejb.EJB;
import javax.ejb.Stateless;
import fi.insomnia.bortal.beanutil.AuthorisationBeanLocal;
import fi.insomnia.bortal.beanutil.AuthorisationBeanLocal.Right;
import fi.insomnia.bortal.beanutil.AuthorisationBeanLocal.RightType;
import fi.insomnia.bortal.beanutil.PdfPrinter;
import fi.insomnia.bortal.enums.Permission;
import fi.insomnia.bortal.enums.RolePermission;
import fi.insomnia.bortal.exceptions.EjbPermissionDeniedException;
import fi.insomnia.bortal.facade.BillFacade;
import fi.insomnia.bortal.facade.BillLineFacade;
import fi.insomnia.bortal.facade.EventFacade;
import fi.insomnia.bortal.model.Bill;
import fi.insomnia.bortal.model.BillLine;
import fi.insomnia.bortal.model.LanEvent;
import fi.insomnia.bortal.model.Product;
import fi.insomnia.bortal.model.User;
/**
* Session Bean implementation class BillBean
*/
@Stateless
public class BillBean implements BillBeanLocal {
@EJB
private BillFacade billFacade;
@EJB
private UserBeanLocal userBean;
@EJB
private SecurityBeanLocal secubean;
@EJB
private AuthorisationBeanLocal authbean;
@EJB
private EventBeanLocal eventbean;
@EJB
private EventFacade eventfacade;
@EJB
private BillLineFacade billLineFacade;
/**
* Default constructor.
*/
public BillBean() {
// TODO Auto-generated constructor stub
}
public Bill findById(int id) {
LanEvent event = eventbean.getCurrentEvent();
if (id <= 0) {
return null;
}
Bill bill = billFacade.find(event.getId(), id);
User currentuser = userBean.getCurrentUser();
if (!currentuser.equals(bill.getUser()))
if (!authbean.isAuthorised(currentuser, Right.ADMIN, RightType.READ)) {
{
secubean.logPermissionDenied(currentuser,
"User tried to print the bill with insufficient rights. Bill id: " + bill);
return null;
}
}
return bill;
}
@Override
public ByteArrayOutputStream getPdfBillStream(Bill bill) {
if (bill == null) {
return null;
}
if (bill.getBillNumber() == null || bill.getBillNumber() <= 0) {
generateBillNumber(bill);
}
return new PdfPrinter(bill).output();
}
private void generateBillNumber(Bill bill) {
if (bill.getBillNumber() == null || bill.getBillNumber() == 0) {
LanEvent currEvent = eventbean.getCurrentEvent();
Integer billnr = billFacade.getBiggestBillNumber(currEvent);
if (billnr == null || billnr < currEvent.getNextBillNumber()) {
billnr = currEvent.getNextBillNumber();
} else {
++billnr;
}
bill.setBillNumber(billnr);
billFacade.merge(bill);
}
}
@Override
public Bill createEmptyBill(User shoppingUser) throws EjbPermissionDeniedException {
if (shoppingUser != null && userBean.hasCurrentUserPermission(Permission.USER_MANAGEMENT, RolePermission.EXECUTE)) {
String msg = new StringBuilder("User tried to shop to ").append(shoppingUser.getId()).append(" another without sufficient rights").toString();
throw new EjbPermissionDeniedException(secubean, userBean.getCurrentUser(), msg);
}
if (shoppingUser == null) {
shoppingUser = userBean.getCurrentUser();
}
LanEvent event = eventbean.getCurrentEvent();
Bill ret = new Bill(event, shoppingUser);
billFacade.create(ret);
return ret;
}
@Override
public BillLine addProductToBill(Bill bill, Product product, BigDecimal count) {
// TODO: Lähetettyä laskua ei saa kaikki muokata!
// TODO: Jos ei olla tekemässä omaa laskua tarkistetaan onko riittävät
// oikeudet.
BillLine line = new BillLine(bill, product.getName(), product.getUnitName(), count, product.getPrice(), product.getVat());
billLineFacade.create(line);
return line;
}
}