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- package assignment;
- import java.io.IOException;
- import java.sql.Connection;
- import java.sql.DriverManager;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.util.ArrayList;
- import java.util.List;
- import javax.servlet.ServletException;
- import javax.servlet.annotation.WebServlet;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- @WebServlet("/Checkout")
- public class Checkout extends HttpServlet {
- private static final long serialVersionUID = 1L;
- public Checkout() {
- super();
- }
- protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
- request.getSession().getAttribute("cartItems");
- request.getRequestDispatcher("/WEB-INF/Checkout.jsp").forward(request, response);
- }
- protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
- String name = request.getParameter("name");
- String email = request.getParameter("email");
- String invalid = "invalid input";
- int quantity = (Integer) request.getSession().getAttribute("quantity");
- int id = (Integer) request.getSession().getAttribute("id");
- System.out.println("quantity from session :" +quantity);
- List<ItemModel> cartItems = new ArrayList<ItemModel>();
- cartItems = (List<ItemModel>)request.getSession().getAttribute("cartItems");
- if((name == null || name.trim().length() == 0) || (email == null || email.trim().length() == 0)){
- request.setAttribute("invalid", invalid);
- doGet(request, response);
- return;
- }
- Connection c = null;
- try
- {
- String url = "jdbc:mysql://localhost/roughdb";
- String username = "root";
- String password = "mypass";
- /* String url = "jdbc:mysql://cs3.calstatela.edu/cs3220stu38";
- String username = "cs3220stu38";
- String password = "w5woPb7Z";
- */
- c = DriverManager.getConnection( url, username, password );
- String sql ="";
- PreparedStatement pstmt;
- for (ItemModel cart : cartItems) {
- sql = "UPDATE items SET quantity = quantity - '"+cart.getQuantity()+ "'"+" where '"+id+"' = items.id";
- pstmt = c.prepareStatement(sql);
- pstmt.executeUpdate();
- }
- //String sql = "UPDATE items SET quantity = quantity - '"+quantity+ "'"+" where id = items.id";
- /*PreparedStatement pstmt = c.prepareStatement(sql);
- pstmt.executeUpdate();*/
- }
- catch( SQLException e )
- {
- throw new ServletException( e );
- }
- finally
- {
- try
- {
- if( c != null ) c.close();
- }
- catch( SQLException e )
- {
- throw new ServletException( e );
- }
- }
- // ResultSet rs = stmt.executeQuery("SELECT * FROM items WHERE id = '"+id+"'");
- System.out.println("successfully added user: "+name+" with email: "+email);
- response.sendRedirect("Done");
- return;
- }
- }
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