Exemplo n.º 1
0
 private void listall(HttpServletRequest request, HttpServletResponse response)
     throws ServletException, IOException {
   BusinessServiceImpl service = new BusinessServiceImpl();
   List<Order> list = service.getAllOrders();
   request.setAttribute("orders", list);
   request.getRequestDispatcher("/admin/listOrder.jsp").forward(request, response);
 }
Exemplo n.º 2
0
  private void delete(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    try {
      int orderID = Integer.parseInt(request.getParameter("orderID"));
      BusinessServiceImpl service = new BusinessServiceImpl();
      Order order = service.findOrder(orderID);
      service.deleteOrder(order);

      request.setAttribute("message", "Delete order successfully!");
    } catch (Exception e) {
      e.printStackTrace();
      request.setAttribute("message", "Delete order failed!");
    }

    request.getRequestDispatcher("/message.jsp").forward(request, response);
  }
Exemplo n.º 3
0
  private void add(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    try {
      BusinessServiceImpl service = new BusinessServiceImpl();
      Book book;
      int userID; // = Integer.parseInt(request.getParameter("userId"));
      String purchasedBooks = "";
      Date date = new Date();
      Double amount = 0.00;
      HttpSession session = request.getSession(true);
      ArrayList<Book> bookList = (ArrayList<Book>) session.getAttribute("bookList");
      User authenticatedUser = (User) session.getAttribute("authenticatedUser");
      userID = authenticatedUser.getUserID();
      if (bookList == null) {
        // if shopping cart is empty, cannot place order
        request.setAttribute("message", "Shopping cart is empty!");
      } else {

        // compute purchasedBooks and amount
        book = bookList.get(0);
        purchasedBooks = Integer.toString(book.getBookID());
        amount += book.getPrice();
        for (int i = 1; i < bookList.size(); i++) {
          book = bookList.get(i);
          purchasedBooks = "," + Integer.toString(bookList.get(i).getBookID());
          amount += book.getPrice();
        }
      }

      Order order = new Order();
      order.setUserID(userID);
      order.setDate(date);
      order.setAmount(amount);
      order.setPurchasedBooks(purchasedBooks);
      service.addOrder(order);
      request.setAttribute("message", "Place order successfully!");
    } catch (Exception e) {
      e.printStackTrace();
      request.setAttribute("message", "Place order failed!");
    }
    request.getRequestDispatcher("/message.jsp").forward(request, response);
  }
Exemplo n.º 4
0
  private void register(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
      String username = request.getParameter("username");
      String password = request.getParameter("pwd");

      BusinessServiceImpl service = new BusinessServiceImpl();
      int userID = service.findUser(username);
      if (userID != 0) {

        out.println("<html>");
        out.println("<head>");
        out.println("<title>Servlet register</title>");
        out.println("<link rel=\"stylesheet\" href=\"../bootstrap.min.css\">");
        out.println("</head>");
        out.println("<body align='center'>");
        out.println("<h1>Sooooooorry!</h1>");
        out.println("<h3>The username has been used. Please re-register another username.</h3>");
        out.println(
            "<h4>---><a href='/BookMart/client/register.jsp'>Back to Register Page</a><---</h4>");
        out.println("<img src='sorry.gif' />");
        out.println("</body>");
        out.println("</html>");
      } else {
        if (password.isEmpty()) {
          out.println("<script language='javascript'>alert('Please enter a password')</script>");
        } else {
          User user = new User();
          user.setUserName(username);
          user.setPassword(password);
          service.addUser(user);
          userID = service.findUser(username);
          String url = "index.jsp?userID=" + userID;
          response.sendRedirect(url);
        }
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
Exemplo n.º 5
0
  private void update(HttpServletRequest request, HttpServletResponse response)
      throws ServletException, IOException {

    try {
      int orderID = Integer.parseInt(request.getParameter("orderID"));
      Date date = new Date();
      Double amount = Double.parseDouble(request.getParameter("amount"));
      String purchasedBooks = request.getParameter("purchasedBooks");

      Order order = new Order();
      order.setDate(date);
      order.setAmount(amount);
      order.setPurchasedBooks(purchasedBooks);

      BusinessServiceImpl service = new BusinessServiceImpl();
      service.updateOrder(order);
      request.setAttribute("message", "Update order successfully!");
    } catch (Exception e) {
      e.printStackTrace();
      request.setAttribute("message", "Update order failed!");
    }

    request.getRequestDispatcher("/message.jsp").forward(request, response);
  }