package com.rlovep.servlet;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.rlovep.entity.DinnerTable;
import com.rlovep.entity.Food;
import com.rlovep.entity.OrderDetail;
import com.rlovep.entity.Orders;
import com.rlovep.service.IDinnerTableService;
import com.rlovep.service.IFoodService;
import com.rlovep.service.IOrderDetailService;
import com.rlovep.service.IOrdersService;
import com.rlovep.utils.BeanFactory;
import com.rlovep.utils.PageBean;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
@WebServlet(name="OrdereServlet",value="/order",loadOnStartup=4)
public class OrderServlet extends BaseServlet {
/**
* @Fields serialVersionUID : TODO
*/
private static final long serialVersionUID = 1L;
@Override
public void init(ServletConfig config) throws ServletException {
super.init(config);
List<Orders> list = ordersService.query();
List<OrderDetail> list2 = orderDetailService.query();
config.getServletContext().setAttribute("orders", list);
config.getServletContext().setAttribute("orderDetail", list2);
}
public Object putInCar(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
HttpSession session = request.getSession();
Map<Food, Integer> map = new LinkedHashMap<Food, Integer>();
try {
// 获取实物id
String id = request.getParameter("food_id");
Food food = foodService.findById(Integer.parseInt(id));
// 从session获得订单数据
Map<Food, Integer> m = (Map<Food, Integer>) session.getAttribute("foods");
if (m != null) {
if (m.containsKey(food)) {
Integer integer = m.get(food);
m.put(food, integer + 1);
} else {
m.put(food, 1);
session.setAttribute("foods", m);
}
} else {
map.put(food, 1);
session.setAttribute("foods", map);
}
uri = "/app/detail/clientCart.jsp";
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object removeOrder(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
HttpSession session = request.getSession();
try {
// 获取实物id
String id = request.getParameter("gid");
Food food = foodService.findById(Integer.parseInt(id));
//获取加入餐车时的食物数据
Map<Food, Integer> m = (Map<Food, Integer>) session.getAttribute("foods");
m.remove(food);
session.setAttribute("foods", m);
uri = "/app/detail/clientCart.jsp";
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object alterSorder(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
HttpSession session = request.getSession();
try {
// 获取实物id
String id = request.getParameter("gid");
Food food = foodService.findById(Integer.parseInt(id));
//获得数量
String num = request.getParameter("snumber");
//获取加入餐车时的食物数据
Map<Food, Integer> m = (Map<Food, Integer>) session.getAttribute("foods");
m.put(food, Integer.parseInt(num));
session.setAttribute("foods", m);
uri = "/app/detail/clientCart.jsp";
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object takeOrder(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
HttpSession session = request.getSession();
try {
//获取加入餐车时的食物数据
Map<Food, Integer> m = (Map<Food, Integer>) session.getAttribute("foods");
String table_id = (String) session.getAttribute("table_id");
//新建订单对象
Orders order=new Orders();
order.setTable_id(Integer.parseInt(table_id));
//创建订单详细对象
OrderDetail detail=new OrderDetail();
//使订单可以迭代：
Set<Entry<Food,Integer>> entrySet = m.entrySet();
//定义总价
double sum=0;
int orderId=ordersService.getCount()+1;
for(Entry<Food,Integer> entry:entrySet){
Food food = entry.getKey();
Integer count = entry.getValue();
sum+=food.getPrice()*count;
}
//增加订单
order.setOrderDate(new Date());
order.setTotalPrice(sum);
ordersService.add(order);
//增加详细订单:
for (Entry<Food, Integer> entry : entrySet) {
Food food = entry.getKey();
Integer count = entry.getValue();
detail.setFood_id(food.getId());
detail.setOrderId(orderId);
detail.setFoodCount(count);
orderDetailService.add(detail);
}
//将最新的订单写入context：
List<Orders> orders = ordersService.query();
List<OrderDetail> orderDetail = orderDetailService.query();
this.getServletContext().setAttribute("orders", orders);
this.getServletContext().setAttribute("orderDetail", orderDetail);
uri = "/app/detail/clientOrderList.jsp";
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object getOrderDetail(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
String id = request.getParameter("orderId");
List<OrderDetail> list=null;
try {
if(id!=null&&!id.isEmpty()){
list=orderDetailService.findByOrderId(Integer.parseInt(id));
request.setAttribute("orderDetail", list);
uri = request.getRequestDispatcher("/sys/order/orderDetail.jsp");
}
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object pay(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
try {
String oid = request.getParameter("orderId");
Orders o = new Orders();
o.setOrderStatus(1);
o.setId(Integer.parseInt(oid));
ordersService.update(o);
String tid = request.getParameter("tableId");
if (tid != null) {
tableService.quitTable(Integer.parseInt(tid));
}
// 将最新的订单写入context：
List<Orders> orders = ordersService.query();
List<OrderDetail> orderDetail = orderDetailService.query();
this.getServletContext().setAttribute("orders", orders);
this.getServletContext().setAttribute("orderDetail", orderDetail);
List<DinnerTable> tables = tableService.query();// 更新前台首页的桌子
this.getServletContext().setAttribute("table", tables);
DinnerTable table = tableService.findById(Integer.parseInt(tid));// 用于后台点击结账时消除通知
@SuppressWarnings("unchecked")
List<String> list = (List<String>) this.getServletContext().getAttribute("tn");
if (list != null) {
list.remove(table.getTableName());//已结账
}
this.getServletContext().setAttribute("tn", list);//已结账
//
// 5. 跳转
uri = getOrderList(request, response);
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object call(HttpServletRequest request,HttpServletResponse response)throws ServletException,IOException{
Object uri = null;
try {
HttpSession session = request.getSession();
String id = (String) session.getAttribute("table_id");
DinnerTable table = tableService.findById(Integer.parseInt(id));
String tableName = table.getTableName();
@SuppressWarnings("unchecked")
List<String> tab = (List<String>) this.getServletContext()
.getAttribute("tn");
if (tab == null) {
tab = new ArrayList<String>();
}
tab.add(tableName);//没有结账的桌子
this.getServletContext().setAttribute("tn", tab);
//删除数据：
session.removeAttribute("table_id");
session.removeAttribute("foods");
//session.removeAttribute("");
uri = "/app/index.jsp";
return uri;
} catch (Exception e) {
e.printStackTrace();
uri = "/error/error.jsp";
return uri;
}
}
public Object getOrderList(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
Object uri = null;
// 1. 获取“当前页”参数； (第一次访问当前页为null)
String currPage = request.getParameter("currentPage");
// 判断
if (currPage == null || "".equals(currPage.trim())) {
currPage = "1"; // 第一次访问，设置当前页为1;
}
// 转换
int currentPage = Integer.parseInt(currPage);
// 2. 创建PageBean对象，设置当前页参数； 传入service方法参数
PageBean<Orders> pageBean = new PageBean<Orders>();
pageBean.setCurrentPage(currentPage);
pageBean.setPageCount(6);
// 3. 调用service
ordersService.getAll(pageBean); // 【pageBean已经被dao填充了数据】
// 4. 保存pageBean对象，到request域中
request.setAttribute("pageBean", pageBean);
// 5. 跳转
uri = request.getRequestDispatcher("sys/order/orderList.jsp");
return uri;
}
}