protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
HttpSession session = request.getSession();
UserDTO user = (UserDTO) session.getAttribute(Constants.USER);
if (user != null) {
ShoppingCartDTO shoppingCart = proxy.getShoppingCart(user.getIdentifier());
request.setAttribute(Constants.PRODUCTS, shoppingCart.getProducts());
int cartCount = proxy.getShoppingCartItemCount(user.getIdentifier());
request.setAttribute(Constants.CART_ITEM_COUNT, cartCount);
request.getRequestDispatcher("pages/shoppingCart.jsp").forward(request, response);
} else {
request.getRequestDispatcher("pages/signIn.jsp").forward(request, response);
}
}
private JSONObject checkout(HttpServletRequest request) throws JSONException, RemoteException {
UserDTO user = (UserDTO) request.getSession().getAttribute(Constants.USER);
JSONObject jsonObject = new JSONObject();
try {
proxy.checkout(user.getIdentifier());
jsonObject.accumulate(Constants.STATUS, Constants.SUCCESS);
jsonObject.accumulate(Constants.MESSAGE, Constants.TRANSACTION_COMPLETED_MSG);
} catch (SQLException e) {
jsonObject.accumulate(Constants.STATUS, Constants.ERROR);
jsonObject.accumulate(Constants.MESSAGE, Constants.ERROR_SHOPPING_CART);
e.printStackTrace();
}
return jsonObject;
}
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String operation = request.getParameter(Constants.OPERATION);
System.out.println("----------------------------------" + operation);
JSONObject jsonObject = new JSONObject();
try {
if (operation.equalsIgnoreCase(Constants.ADD)) {
jsonObject = addToCart(request);
} else if (operation.equalsIgnoreCase(Constants.REMOVE)) {
UserDTO user = (UserDTO) request.getSession().getAttribute(Constants.USER);
jsonObject =
removeFromCart(
Integer.valueOf(request.getParameter("productId")), user.getIdentifier());
} else if (operation.equalsIgnoreCase(Constants.PAY)) {
jsonObject = checkout(request);
}
response.getWriter().write(jsonObject.toString());
} catch (JSONException e) {
e.printStackTrace();
}
}