package com.emc.plants.web.controllers;
import java.util.ArrayList;
import java.util.Collection;
import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import com.emc.plants.messaging.publisher.PaymentInfoPublisher;
import com.emc.plants.persistence.Inventory;
import com.emc.plants.pojo.beans.CustomerInfo;
import com.emc.plants.pojo.beans.OrderInfo;
import com.emc.plants.pojo.beans.ShoppingCartContents;
import com.emc.plants.pojo.beans.ShoppingCartItem;
import com.emc.plants.service.exceptions.MailerAppException;
import com.emc.plants.service.interfaces.BackOrderStock;
import com.emc.plants.service.interfaces.Catalog;
import com.emc.plants.service.interfaces.Login;
import com.emc.plants.service.interfaces.Mailer;
import com.emc.plants.service.interfaces.ResetDB;
import com.emc.plants.service.interfaces.ShoppingCart;
import com.emc.plants.service.interfaces.Suppliers;
import com.emc.plants.utils.Util;
import com.emc.plants.web.util.WebUtil;
@Controller
@RequestMapping("/shopping")
public class ShoppingController {
public static Logger logger = Logger.getLogger(ShoppingController.class);
public static final String ACTION_ADDTOCART = "addtocart";
public static final String ACTION_COMPLETECHECKOUT = "completecheckout";
public static final String ACTION_GOTOCART = "gotocart";
public static final String ACTION_INITCHECKOUT = "initcheckout";
public static final String ACTION_ORDERINFODONE = "orderinfodone";
public static final String ACTION_PRODUCTDETAIL = "productdetail";
public static final String ACTION_SHOPPING = "shopping";
public static final String ACTION_UPDATEQUANTITY = "updatequantity";
private static final String ORDERINFO = "orderinfo";
private static final String LOGIN = "login";
private static final String CHECKOUTFINAL = "checkout_final";
private static final String ORDERDONE = "orderdone";
@Autowired
protected Suppliers suppliers = null;
@Autowired
protected Login login;
@Autowired
protected BackOrderStock backOrderStock = null;
@Autowired
protected Catalog catalog = null;
@Autowired
protected ResetDB resetDB;
@Autowired
protected Mailer mailer;
@Autowired
protected ShoppingCart shoppingCart;
public Suppliers getSuppliers() {
return suppliers;
}
public Login getLogin() {
return login;
}
public BackOrderStock getBackOrderStock() {
return backOrderStock;
}
public Catalog getCatalog() {
return catalog;
}
public ResetDB getResetDB() {
return resetDB;
}
public Mailer getMailer() {
return mailer;
}
/*public ShoppingCart getShoppingCart() {
return shoppingCart;
}*/
@PostConstruct
public void init(){
logger.debug("ShoppingController:init");
Util.setDebug(true);
this.suppliers = (Suppliers) Util.getSpringBean("suppliersBean");
this.login = (Login) Util.getSpringBean("login");
this.backOrderStock = (BackOrderStock) Util.getSpringBean("backOrderStockBean");
this.catalog = (Catalog) Util.getSpringBean("catalog");
this.resetDB = (ResetDB) Util.getSpringBean("resetDBBean");
this.mailer = (Mailer)Util.getSpringBean("mailer");
// model.addAttribute("message", "Spring 3 MVC Hello World");
}
@RequestMapping(method=RequestMethod.GET)
public String performTask(HttpServletRequest req, HttpServletResponse resp){
String view=null;
String action = null;//"index";
action = req.getParameter(Util.ATTR_ACTION);
logger.debug("action=" + action);
if (action.equalsIgnoreCase(ACTION_SHOPPING))
{
String category = (String) req.getParameter("category");
HttpSession session = req.getSession(true);
// Get session category if none on request, such as
// 'Continue Shopping' from the Shopping Cart jsp.
if ((category == null) || (category.equals("null")))
{
category = (String) session.getAttribute(Util.ATTR_CATEGORY);
}
// If category still null, default to first category.
if ((category == null) || (category.equals("null")))
{
category = "0";
}
session.setAttribute(Util.ATTR_CATEGORY, category);
// Get the shopping items from the catalog.
Collection c = catalog.getItemsByCategory(Integer.parseInt(category));
ArrayList items = new ArrayList(c);
for (int i = 0; i < items.size();)
{
if (((Inventory) items.get(i)).isPublic())
i++;
else
items.remove(i);
}
req.setAttribute(Util.ATTR_INVITEMS, items);
// //requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_SHOPPING);
view = Util.SHOPPING;
}
else if (action.equalsIgnoreCase(ACTION_PRODUCTDETAIL))
{
String invID = (String) req.getParameter("itemID");
req.setAttribute(Util.ATTR_INVITEM, catalog.getItemInventory(invID));
//requestDispatch(getServle tConfig().getServletContext(), req, resp, Util.PAGE_PRODUCT);
return Util.ATTR_PRODUCT;
}
else if (action.equalsIgnoreCase(ACTION_GOTOCART))
{
HttpSession session = req.getSession(true);
// Get shopping cart.
ShoppingCart shoppingCart = (ShoppingCart) session.getAttribute(Util.ATTR_CART);
if (shoppingCart != null)
{
// Make sure ShopingCart reference has not timed out.
try
{
shoppingCart.getItems();
}
// TODO: what exception would be thrown?
catch (RuntimeException e)
{
logger.debug("gotocart: shopping cart ref must have timed out");
ShoppingCartContents cartContents = (ShoppingCartContents) session.getAttribute(Util.ATTR_CART_CONTENTS);
shoppingCart = (ShoppingCart) WebUtil.getSpringBean(session.getServletContext(), "shopping");
session.setAttribute(Util.ATTR_CART, shoppingCart);
}
}
//requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_CART);
view = Util.CART;
}
else if (action.equalsIgnoreCase(ACTION_ADDTOCART))
{
ShoppingCart shoppingCart = null;
// Get shopping cart.
HttpSession session = req.getSession(true);
shoppingCart = (ShoppingCart) session.getAttribute(Util.ATTR_CART);
if (shoppingCart == null)
{
logger.debug("shopping cart is NULL, must create it");
shoppingCart = (ShoppingCart) WebUtil.getSpringBean(session.getServletContext(), "shopping");
logger.debug("Items:: " +shoppingCart.getItems()+ " Size :: " +shoppingCart.getItems().size());
shoppingCart.setItems(new ArrayList<ShoppingCartItem>());
}
else
{
// Make sure ShopingCart reference has not timed out.
try
{
logger.debug("shopping cart is not null, check items, size=" + shoppingCart.getItems().size());
shoppingCart.getItems();
}
// TODO: what exception would be thrown?
catch (RuntimeException e)
{
// ShoppingCart timed out, so create a new one.
logger.debug("addtocart: shopping cart ref must have timed out, create a new one");
ShoppingCartContents cartContents = (ShoppingCartContents) session.getAttribute(Util.ATTR_CART_CONTENTS);
shoppingCart = (ShoppingCart)WebUtil.getSpringBean(session.getServletContext(), "shopping");
if (cartContents != null) {
shoppingCart.setCartContents(cartContents);
}
}
}
// Add item to cart.
if (shoppingCart != null)
{
String invID = req.getParameter("itemID");
// Gets detached instance
Inventory inv = catalog.getItemInventory(invID);
ShoppingCartItem si = new ShoppingCartItem(inv);
si.setQuantity(Integer.parseInt(req.getParameter("qty").trim()));
shoppingCart.addItem(si);
session.setAttribute(Util.ATTR_CART, shoppingCart);
session.setAttribute(Util.ATTR_CART_CONTENTS, shoppingCart.getCartContents());
}
//requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_CART);
view = Util.CART;
}
else if (action.equalsIgnoreCase(ACTION_UPDATEQUANTITY))
{
// Get shopping cart.
HttpSession session = req.getSession(true);
ShoppingCart shoppingCart = (ShoppingCart) session.getAttribute(Util.ATTR_CART);
// Make sure ShopingCart reference has not timed out.
try
{
shoppingCart.getItems();
}
// TODO: what exception gets thrown?
catch (RuntimeException e)
{
// ShoppingCart timed out, so create a new one.
logger.debug("updatequantity: shopping cart ref must have timed out, create a new one");
ShoppingCartContents cartContents = (ShoppingCartContents) session.getAttribute(Util.ATTR_CART_CONTENTS);
shoppingCart = (ShoppingCart) WebUtil.getSpringBean(session.getServletContext(), "shopping");
if (cartContents != null) {
shoppingCart.setCartContents(cartContents);
}
}
// Update item quantity in cart.
if (shoppingCart != null)
{
try
{
int cnt = 0;
Collection c = shoppingCart.getItems();
ArrayList items;
if (c instanceof ArrayList)
items = (ArrayList) c;
else
items = new ArrayList(c);
ShoppingCartItem si;
String parm, parmval;
// Check all quantity values from cart form.
for (int parmcnt = 0;; parmcnt++)
{
parm = "itemqty" + String.valueOf(parmcnt);
parmval = req.getParameter(parm);
// No more quantity fields, so break out.
if ((parmval == null) || parmval.equals("null"))
{
break;
}
else // Check quantity value of cart item.
{
int quantity = Integer.parseInt(parmval);
// Quantity set to 0, so remove from cart.
if (quantity == 0)
{
items.remove(cnt);
}
else // Change quantity of cart item.
{
si = (ShoppingCartItem) items.get(cnt);
si.setQuantity(quantity);
items.set(cnt, si);
cnt++;
}
}
}
// Are items in cart? Yes, set the session attributes.
if (items.size() > 0)
{
shoppingCart.setItems(items);
session.setAttribute(Util.ATTR_CART, shoppingCart);
session.setAttribute(Util.ATTR_CART_CONTENTS, shoppingCart.getCartContents());
}
else // No items in cart, so remove attributes from session.
{
session.removeAttribute(Util.ATTR_CART);
session.removeAttribute(Util.ATTR_CART_CONTENTS);
}
}
catch (Exception e)
{
// Log the exception but try to continue.
logger.debug("ShoppingServlet.performAction() -> Exception caught: " +e);
// This should take us to the error page.
// throw new ServletException(e.getMessage());
}
}
//requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_CART);
view=Util.CART;
}
else if (action.equalsIgnoreCase(ACTION_INITCHECKOUT))
{
logger.debug("ShoppingController:performTask:initCheckout");
String url;
HttpSession session = req.getSession(true);
CustomerInfo customerInfo = (CustomerInfo) session.getAttribute(Util.ATTR_CUSTOMER);
if (customerInfo == null)
{
req.setAttribute(Util.ATTR_RESULTS, "You must login or register before checking out.");
session.setAttribute(Util.ATTR_CHECKOUT, new Boolean(true));
url = LOGIN;
}
else
{
url = ORDERINFO;
}
//requestDispatch(getServletConfig().getServletContext(), req, resp, url);
view=url;
}
else if (action.equalsIgnoreCase(ACTION_ORDERINFODONE)) {
logger.debug("ShoppingController:performTask:orderinfodone");
OrderInfo orderinfo = null;
ShoppingCart shoppingCart = null;
HttpSession session = req.getSession(true);
CustomerInfo customerInfo = (CustomerInfo) session.getAttribute(Util.ATTR_CUSTOMER);
String customerID = customerInfo.getCustomerID();
shoppingCart = (ShoppingCart) session.getAttribute(Util.ATTR_CART);
// Make sure ShopingCart reference has not timed out.
try
{
logger.debug("orderinfodone: ShoppingCart timeout? check getItems() method");
shoppingCart.getItems();
}catch (RuntimeException e)
{
// ShoppingCart timed out, so create a new one.
logger.debug("orderinfodone: ShoppingCart ref must have timed out");
ShoppingCartContents cartContents = (ShoppingCartContents) session.getAttribute(Util.ATTR_CART_CONTENTS);
if (cartContents != null)
{
shoppingCart = (ShoppingCart)WebUtil.getSpringBean(session.getServletContext(), "shopping");
shoppingCart.setCartContents(cartContents);
}
else
{
logger.debug("NoSuchObject Exception!!!");
logger.debug("Major Problem!!!");
shoppingCart = null;
}
}
logger.debug("orderinfodone: got cart?");
if (shoppingCart != null)
{
logger.debug("orderinfodone: cart not NULL");
String billName = req.getParameter("bname");
String billAddr1 = req.getParameter("baddr1");
String billAddr2 = req.getParameter("baddr2");
String billCity = req.getParameter("bcity");
String billState = req.getParameter("bstate");
String billZip = req.getParameter("bzip");
String billPhone = req.getParameter("bphone");
String shipName = req.getParameter("sname");
String shipAddr1 = req.getParameter("saddr1");
String shipAddr2 = req.getParameter("saddr2");
String shipCity = req.getParameter("scity");
String shipState = req.getParameter("sstate");
String shipZip = req.getParameter("szip");
String shipPhone = req.getParameter("sphone");
int shippingMethod = Integer.parseInt(req.getParameter("shippingMethod"));
String creditCard = req.getParameter("ccardname");
String ccNum = req.getParameter("ccardnum");
String ccExpireMonth = req.getParameter("ccexpiresmonth");
String ccExpireYear = req.getParameter("ccexpiresyear");
String cardHolder = req.getParameter("ccholdername");
orderinfo = shoppingCart.createOrder(customerID, billName, billAddr1, billAddr2, billCity, billState, billZip, billPhone, shipName, shipAddr1, shipAddr2, shipCity, shipState, shipZip, shipPhone, creditCard, ccNum, ccExpireMonth, ccExpireYear, cardHolder, shippingMethod, shoppingCart.getItems());
logger.debug("orderinfodone: order created");
}
if (orderinfo != null)
{
req.setAttribute(Util.ATTR_ORDERINFO, orderinfo);
req.setAttribute(Util.ATTR_CARTITEMS, shoppingCart.getItems());
session.setAttribute(Util.ATTR_ORDERKEY, orderinfo.getID());
// requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_CHECKOUTFINAL);
view=CHECKOUTFINAL;
}
}
else if (action.equalsIgnoreCase(ACTION_COMPLETECHECKOUT))
{
ShoppingCart shoppingCart = null;
HttpSession session = req.getSession(true);
long key = (Long) session.getAttribute(Util.ATTR_ORDERKEY);
req.setAttribute(Util.ATTR_ORDERID, key);
long orderKey = key;
logger.debug("completecheckout: order id ="+orderKey );
CustomerInfo customerInfo = (CustomerInfo) session.getAttribute(Util.ATTR_CUSTOMER);
// Check the available inventory and backorder if necessary.
shoppingCart = (ShoppingCart) session.getAttribute(Util.ATTR_CART);
// Make sure ShopingCart reference has not timed out.
try {
logger.debug("completecheckout: ShoppingCart timeout? check getItems() method");
shoppingCart.getItems();
} catch (RuntimeException e) {
// ShoppingCart timed out, so create a new one.
logger.debug("completecheckout: ShoppingCart ref must have timed out");
ShoppingCartContents cartContents = (ShoppingCartContents) session
.getAttribute(Util.ATTR_CART_CONTENTS);
if (cartContents != null) {
shoppingCart = (ShoppingCart) WebUtil.getSpringBean(
session.getServletContext(), "shopping");
shoppingCart.setCartContents(cartContents);
} else {
logger.debug("NoSuchObject Exception!!!");
logger.debug("Major Problem!!!");
shoppingCart = null;
}
}
if (shoppingCart != null) {
ShoppingCartItem si;
Collection items = shoppingCart.getItems();
for (Object o : items) {
si = (ShoppingCartItem) o;
shoppingCart.checkInventory(si);
logger.debug("ShoppingCart.checkInventory() - checking Inventory quantity of item: "
+ si.getID());
}
}
try {
PaymentInfoPublisher pInfoPublisher = (PaymentInfoPublisher) Util
.getSpringBean("paymentInfoPublisher");
pInfoPublisher
.publishMessage("Order placed successfully for Customer : "
+ customerInfo.getCustomerID()
+ " with Order ID : " + orderKey);
} catch (Exception e) {
System.out
.println("Exception during Posting message to RabbitMQ :"
+ e);
e.printStackTrace();
}
try {
mailer.createAndSendMail(customerInfo, orderKey);
} catch (MailerAppException e) {
System.out.println("MailerAppException:" + e);
e.printStackTrace();
} catch (Exception e) {
System.out.println("Exception during create and send mail :"
+ e);
e.printStackTrace();
}
// Remove items saved in HttpSession.
session.removeAttribute(Util.ATTR_CART);
session.removeAttribute(Util.ATTR_CART_CONTENTS);
session.removeAttribute(Util.ATTR_CATEGORY);
session.removeAttribute(Util.ATTR_ORDERKEY);
session.removeAttribute(Util.ATTR_CHECKOUT);
HttpSession httpSession = req.getSession(true);
//httpSession.invalidate();
// requestDispatch(getServletConfig().getServletContext(), req, resp, Util.PAGE_ORDERDONE);
view = ORDERDONE;
}
return view;
}
}