OrderNowServlet.java

/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/Servlet.java to edit this template
 */
package com.ecommerce.login;

import com.ecommerce.connection.DbConnection;
import com.ecommerce.dao.OrderDao;
import com.ecommerce.loginpack.model.Cart;
import com.ecommerce.loginpack.model.Order;
import com.ecommerce.loginpack.model.UserModelClass;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author oladimeji
 */
@WebServlet(name = "OrderNowServlet", urlPatterns = {"/order-now"})
public class OrderNowServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try ( PrintWriter out = response.getWriter()) {

            SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");

            Date date = new Date();

            UserModelClass auth = (UserModelClass) request.getSession().getAttribute("auth");
            if (auth != null) {

                String productId = request.getParameter("id");
                int productQuantity = Integer.parseInt(request.getParameter("quantity"));
                if (productQuantity <= 0) {
                    productQuantity = 1;
                }

                Order orderModel = new Order();
                orderModel.setProductid(Integer.parseInt(productId));
                orderModel.setUid(auth.getId());
                orderModel.setQuantity(productQuantity);
                orderModel.setDate(formatter.format(date));

                OrderDao orderDao = new OrderDao(DbConnection.getConnection());
                boolean result = orderDao.insertOrder(orderModel);

                if (result) {
                    ArrayList<Cart> cart_list = (ArrayList<Cart>) request.getSession().getAttribute("cart-list");
                    if(cart_list != null){
                        for(Cart c:cart_list){
                            if(c.getProductid()== Integer.parseInt(productId)){
                                cart_list.remove(cart_list.indexOf(c));
                                break;
                            }
                        }
                    }
                    response.sendRedirect("orders.jsp");
                } else {
                    out.print("order failed");
                }

            } else {
                response.sendRedirect("login.jsp");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doGet(request, response);
    }

}