/** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response) */
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
int result = -1;
response.setContentType("text/html");
PrintWriter out = response.getWriter();
HttpSession session = request.getSession();
// Get request parameters for userID and password
String userName = request.getParameter("userName");
String password = request.getParameter("password");
if ((result = LoginDao.validate(userName, password)) != -1) {
User userObj = UserDAO.getUser(userName);
// Set session parameters
session = request.getSession(true);
session.setAttribute("user", userName);
session.setAttribute("userID", result);
// Setting session to expiry in 30 mins
session.setMaxInactiveInterval(30 * 60);
Cookie cookieUserName = new Cookie("user", userName);
cookieUserName.setMaxAge(30 * 60);
response.addCookie(cookieUserName);
RequestDispatcher rd;
if (userObj.getIsAdmin()) {
rd = request.getRequestDispatcher("AdminServlet");
} else {
// Get all discounted products
request.setAttribute("discountedProductList", this.getAllDiscoutedProducts(result));
// Get non-discounted products
request.setAttribute("nonDiscountedProductList", this.getAllNonDiscoutedProducts(result));
// Get the user membership
Map<String, String> userCategory = UserDAO.getUserCategory(result);
request.setAttribute("userCategoryID", Integer.parseInt(userCategory.get("categoryID")));
rd = request.getRequestDispatcher("loginSuccess.jsp");
}
rd.forward(request, response);
} else {
request.setAttribute("error", "Invalid Username or Password. Please try again.");
RequestDispatcher rd = request.getRequestDispatcher("/login.jsp");
rd.include(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}
}
/** Function to get all the discounted products */
public List<Product> getAllDiscoutedProducts(int userID) {
List<Product> discountedProducts = null;
try {
discountedProducts = ProductDao.getDiscountedProducts(userID);
Map<String, String> userCategory = UserDAO.getUserCategory(userID);
for (int i = 0; i < discountedProducts.size(); i++) {
double productPrice = discountedProducts.get(i).getProductPrice();
double x = productPrice * (Double.parseDouble(userCategory.get("categoryDiscount")) / 100);
double y = productPrice - x;
discountedProducts.get(i).setProductDiscountedPrice(y);
}
} catch (Exception e) {
e.printStackTrace();
}
return discountedProducts;
}
