per.mnn.controller.CheckoutController.java Source code

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Here is the source code for per.mnn.controller.CheckoutController.java

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package per.mnn.controller;

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.util.Date;
import java.util.Random;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import per.mnn.cart.ShoppingCart;
import per.mnn.cart.ShoppingCartItem;
import per.mnn.hibernate.Customer;
import per.mnn.hibernate.CustomerOrder;
import per.mnn.hibernate.HibernateUtil;
import per.mnn.hibernate.OrderedProduct;
import per.mnn.hibernate.OrderedProductId;

/**
 *
 * @author mnn
 */
@Controller
public class CheckoutController {

    @RequestMapping(value = "/checkout")
    public ModelAndView checkout() {
        return new ModelAndView("checkout");
    }

    @RequestMapping(value = "/confirm", method = RequestMethod.POST)
    public ModelAndView confirm(HttpServletRequest request, HttpServletResponse respond)
            throws UnsupportedEncodingException {

        request.setCharacterEncoding("UTF-8");

        ModelAndView retval = new ModelAndView("confirmation");
        String name = request.getParameter("name");
        String email = request.getParameter("email");
        String phone = request.getParameter("phone");
        String address = request.getParameter("address");
        String cityRegion = request.getParameter("cityRegion");
        String creditcard = request.getParameter("creditcard");

        if (name == null || name.isEmpty()) {
            retval.addObject("nameError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }
        if (email == null || email.isEmpty()) {
            retval.addObject("emailError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }
        if (phone == null || phone.isEmpty()) {
            retval.addObject("phoneError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }
        if (address == null || address.isEmpty()) {
            retval.addObject("addressError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }
        if (cityRegion == null || cityRegion.isEmpty()) {
            retval.addObject("cityRegionError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }
        if (creditcard == null || creditcard.isEmpty()) {
            retval.addObject("creditcardError", "true");
            retval.addObject("validationErrorFlag", "true");
            retval.setViewName("checkout");
        }

        if (retval.getViewName() == "confirmation") {
            ShoppingCart cart = (ShoppingCart) request.getSession().getAttribute("cart");
            Session sess = HibernateUtil.getSessionFactory().openSession();
            Transaction tran = sess.beginTransaction();

            Customer customer = new Customer(name, email, phone, address, cityRegion, creditcard);
            sess.save(customer);

            CustomerOrder order = new CustomerOrder();
            order.setCustomer(customer);
            order.setAmount(BigDecimal.valueOf(cart.getTotal()));
            order.setDateCreated(new Date());
            order.setConfirmationNumber(new Random().nextInt(999999999));
            sess.save(order);

            for (ShoppingCartItem item : cart.getItems()) {
                OrderedProductId id = new OrderedProductId(order.getId(), item.getProduct().getId());
                OrderedProduct orderedProduct = new OrderedProduct();
                orderedProduct.setId(id);
                orderedProduct.setCustomerOrder(order);
                orderedProduct.setProduct(item.getProduct());
                orderedProduct.setQuantity((short) item.getQuantity());
                sess.save(orderedProduct);
                order.getOrderedProducts().add(orderedProduct);
            }

            tran.commit();
            sess.close();

            cart.clear();
            request.getSession().invalidate();
            retval.addObject("customer", customer);
            retval.addObject("orderRecord", order);
            retval.addObject("orderedProducts", order.getOrderedProducts());
        }

        return retval;
    }
}