package tmall.servlet;
import java.io.BufferedWriter;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.util.HtmlUtils;
import tmall.bean.Category;
import tmall.bean.OrderItem;
import tmall.bean.Product;
import tmall.bean.ProductImage;
import tmall.bean.PropertyValue;
import tmall.bean.Review;
import tmall.bean.User;
import tmall.comparator.ProductAllComparator;
import tmall.comparator.ProductDateComparator;
import tmall.comparator.ProductPriceComparator;
import tmall.comparator.ProductReviewComparator;
import tmall.comparator.ProductSaleCountComparator;
import tmall.dao.CategoryDAO;
import tmall.dao.ProductDAO;
import tmall.dao.ProductImageDAO;
import tmall.util.Page;
public class ForeServlet extends BaseForeServlet {
public String home(HttpServletRequest request, HttpServletResponse response, Page page) {
List<Category> cs= new CategoryDAO().list();
new ProductDAO().fill(cs);
new ProductDAO().fillByRow(cs);
request.setAttribute("cs", cs);
return "home.jsp";
}
public String register(HttpServletRequest request, HttpServletResponse response, Page page) {
String name = request.getParameter("name");
String password = request.getParameter("password");
name = HtmlUtils.htmlEscape(name);
System.out.println(name);
boolean exist = userDAO.isExist(name);
if(exist){
request.setAttribute("msg", "用户名已经被使用,不能使用");
return "register.jsp";
}
User user = new User();
user.setName(name);
user.setPassword(password);
System.out.println(user.getName());
System.out.println(user.getPassword());
userDAO.add(user);
return "@registerSuccess.jsp";
}
public String login(HttpServletRequest request, HttpServletResponse response, Page page) {
String name = request.getParameter("name");
name = HtmlUtils.htmlEscape(name);
String password = request.getParameter("password");
User user = userDAO.get(name,password);
if(null==user){
request.setAttribute("msg", "账号密码错误");
return "login.jsp";
}
request.getSession().setAttribute("user", user);
return "@forehome";
}
public String product(HttpServletRequest request, HttpServletResponse response, Page page) {
int pid = Integer.parseInt(request.getParameter("pid"));
Product p = productDAO.get(pid);
List<ProductImage> productSingleImages = productImageDAO.list(p, ProductImageDAO.type_single);
List<ProductImage> productDetailImages = productImageDAO.list(p, ProductImageDAO.type_detail);
p.setProductSingleImages(productSingleImages);
p.setProductDetailImages(productDetailImages);
List<PropertyValue> pvs = propertyValueDAO.list(p.getId());
List<Review> reviews = reviewDAO.list(p.getId());
productDAO.setSaleAndReviewNumber(p);
request.setAttribute("reviews", reviews);
request.setAttribute("p", p);
request.setAttribute("pvs", pvs);
return "product.jsp";
}
public String logout(HttpServletRequest request, HttpServletResponse response, Page page) {
request.getSession().removeAttribute("user");
return "@forehome";
}
public String checkLogin(HttpServletRequest request, HttpServletResponse response, Page page) {
User user =(User) request.getSession().getAttribute("user");
if(null!=user)
return "%success";
return "%fail";
}
public String loginAjax(HttpServletRequest request, HttpServletResponse response, Page page) {
String name = request.getParameter("name");
String password = request.getParameter("password");
User user = userDAO.get(name,password);
if(null==user){
return "%fail";
}
request.getSession().setAttribute("user", user);
return "%success";
}
public String category(HttpServletRequest request, HttpServletResponse response, Page page) {
int cid = Integer.parseInt(request.getParameter("cid"));
Category c = new CategoryDAO().get(cid);
new ProductDAO().fill(c);
new ProductDAO().setSaleAndReviewNumber(c.getProducts());
String sort = request.getParameter("sort");
if(null!=sort){
switch(sort){
case "review":
Collections.sort(c.getProducts(),new ProductReviewComparator());
break;
case "date" :
Collections.sort(c.getProducts(),new ProductDateComparator());
break;
case "saleCount" :
Collections.sort(c.getProducts(),new ProductSaleCountComparator());
break;
case "price":
Collections.sort(c.getProducts(),new ProductPriceComparator());
break;
case "all":
Collections.sort(c.getProducts(),new ProductAllComparator());
break;
}
}
request.setAttribute("c", c);
return "category.jsp";
}
public String search(HttpServletRequest request, HttpServletResponse response, Page page){
String keyword = request.getParameter("keyword");
List<Product> ps= new ProductDAO().search(keyword,0,20);
productDAO.setSaleAndReviewNumber(ps);
request.setAttribute("ps",ps);
return "searchResult.jsp";
}
public String buyone(HttpServletRequest request, HttpServletResponse response, Page page) {
int pid = Integer.parseInt(request.getParameter("pid"));
int num = Integer.parseInt(request.getParameter("num"));
Product p = productDAO.get(pid);
int oiid = 0;
User user =(User) request.getSession().getAttribute("user");
boolean found = false;
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==p.getId()){
oi.setNumber(oi.getNumber()+num);
orderItemDAO.update(oi);
found = true;
oiid = oi.getId();
break;
}
}
if(!found){
OrderItem oi = new OrderItem();
oi.setUser(user);
oi.setNumber(num);
oi.setProduct(p);
orderItemDAO.add(oi);
oiid = oi.getId();
}
return "@forebuy?oiid="+oiid;
}
public String buy(HttpServletRequest request, HttpServletResponse response, Page page){
String[] oiids=request.getParameterValues("oiid");
List<OrderItem> ois = new ArrayList<>();
float total = 0;
for (String strid : oiids) {
int oiid = Integer.parseInt(strid);
OrderItem oi= orderItemDAO.get(oiid);
total +=oi.getProduct().getPromotePrice()*oi.getNumber();
ois.add(oi);
}
request.getSession().setAttribute("ois", ois);
request.setAttribute("total", total);
return "buy.jsp";
}
public String addCart(HttpServletRequest request, HttpServletResponse response, Page page) {
int pid = Integer.parseInt(request.getParameter("pid"));
Product p = productDAO.get(pid);
int num = Integer.parseInt(request.getParameter("num"));
User user =(User) request.getSession().getAttribute("user");
boolean found = false;
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==p.getId()){
oi.setNumber(oi.getNumber()+num);
orderItemDAO.update(oi);
found = true;
break;
}
}
if(!found){
OrderItem oi = new OrderItem();
oi.setUser(user);
oi.setNumber(num);
oi.setProduct(p);
orderItemDAO.add(oi);
}
return "%success";
}
public String cart(HttpServletRequest request, HttpServletResponse response, Page page) {
User user =(User) request.getSession().getAttribute("user");
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
request.setAttribute("ois", ois);
return "cart.jsp";
}
public String changeOrderItem(HttpServletRequest request, HttpServletResponse response, Page page) {
User user =(User) request.getSession().getAttribute("user");
if(null==user)
return "%fail";
int pid = Integer.parseInt(request.getParameter("pid"));
int number = Integer.parseInt(request.getParameter("number"));
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
for (OrderItem oi : ois) {
if(oi.getProduct().getId()==pid){
oi.setNumber(number);
orderItemDAO.update(oi);
break;
}
}
return "%success";
}
public String deleteOrderItem(HttpServletRequest request, HttpServletResponse response, Page page){
User user =(User) request.getSession().getAttribute("user");
if(null==user)
return "%fail";
int oiid = Integer.parseInt(request.getParameter("oiid"));
orderItemDAO.delete(oiid);
return "%success";
}
}
