@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
response.setContentType("text/html");
PrintWriter out = response.getWriter();
int quantity = 0, idItem = 0, stock = 0, price = 0, type = 0;
String desc = "";
type = Integer.parseInt(request.getParameter("type"));
HttpSession session = request.getSession();
if (type == 1) {
quantity = Integer.parseInt(request.getParameter("quantity"));
idItem = Integer.parseInt(request.getParameter("id"));
desc = request.getParameter("desc");
stock = Integer.parseInt(request.getParameter("stock"));
price = Integer.parseInt(request.getParameter("price"));
if (stock < quantity) {
// fail
out.println(-1);
} else {
try {
ShoppingCart sc = new ShoppingCart();
if (session.getAttribute("shoppingCart") != null)
sc = (ShoppingCart) session.getAttribute("shoppingCart");
sc.getItems().add(new Item(quantity, idItem, price, desc));
if (session.getAttribute("shoppingCart") != null) session.removeAttribute("shoppingCart");
session.setAttribute("shoppingCart", sc);
out.println(1);
} catch (Exception x) {
out.println(0);
}
}
} else if (type == 2) {
ShoppingCart sc = new ShoppingCart();
idItem = Integer.parseInt(request.getParameter("id"));
if (session.getAttribute("shoppingCart") != null) {
sc = (ShoppingCart) session.getAttribute("shoppingCart");
sc.getItems().remove(idItem);
if (session.getAttribute("shoppingCart") != null) session.removeAttribute("shoppingCart");
session.setAttribute("shoppingCart", sc);
out.println(idItem);
} else out.println(-1);
}
}
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// TODO Auto-generated method stub
response.setContentType("text/html");
PrintWriter out = response.getWriter();
int quantity = 0, idItem = 0, stock = 0, price = 0, type = 0;
String desc = "";
type = Integer.parseInt(request.getParameter("type"));
String sresponse = request.getParameter("json");
if (sresponse.charAt(0) == '\'') {
sresponse = sresponse.substring(1, sresponse.length() - 1);
}
ShoppingCart sc = new ShoppingCart();
if (type == 3) {
try {
JSONObject jobj = new JSONObject(sresponse);
System.out.println("local jobj = " + jobj.toString());
JSONArray j2 = jobj.getJSONArray("items");
System.out.println("local j2 = " + j2.toString());
sc = new ShoppingCart();
for (int i = 0; i < j2.length(); i++) {
JSONObject json = j2.getJSONObject(i);
// Item barang = new Item();
Item barang =
new Item(
json.getInt("quantity"),
json.getInt("idItem"),
json.getInt("price"),
json.getString("description"));
// barang.setIdItem(json.getInt("idItem"));
// barang.setQuantity(json.getInt("quantity"));
// barang.setPrice(json.getInt("price"));
// barang.setDescription(json.getString("description"));
sc.getItems().add(barang);
}
} catch (JSONException e) {
out.println(-1);
}
boolean transactionFinished = false;
ArrayList<Integer> arr = new ArrayList<Integer>();
for (int i = 0; i < sc.getItems().size(); i++) {
// syntax
DbConnector dbconnector = new DbConnector();
Connection connection = dbconnector.mySqlConnection();
try {
Statement statement = connection.createStatement();
String query =
"SELECT * FROM inventori WHERE id_inventori=" + sc.getItems().get(i).getIdItem();
ResultSet rs = statement.executeQuery(query);
if (rs.next()) {
Integer jumlah = Integer.parseInt(rs.getString("jumlah"));
if (jumlah >= sc.getItems().get(i).getQuantity()) {
query =
"UPDATE inventori SET jumlah ="
+ (jumlah - sc.getItems().get(i).getQuantity())
+ " WHERE id_inventori="
+ sc.getItems().get(i).getIdItem();
statement.executeUpdate(query);
arr.add(i);
} else {
break;
}
} else {
break;
}
} catch (SQLException e) {
// TODO Auto-generated catch block
out.println(-1);
e.printStackTrace();
}
String query = "";
if (i == sc.getItems().size() - 1) transactionFinished = true;
}
if (!transactionFinished) {
for (int j = 0; j < arr.size(); j++) {
sc.getItems().remove(arr.get(j));
}
}
if (transactionFinished) {
String query = "";
DbConnector dbconnector = new DbConnector();
Connection connection = dbconnector.mySqlConnection();
Statement statement2;
String username = "******";
query = "SELECT * FROM pengguna WHERE username = '******';";
ResultSet rs;
try {
statement2 = connection.createStatement();
rs = statement2.executeQuery(query);
if (rs.next()) {
Integer total_transaksi = Integer.parseInt(rs.getString("total_transaksi"));
query =
"UPDATE pengguna SET total_transaksi = "
+ (total_transaksi + 1)
+ " WHERE username = '******';";
statement2.executeUpdate(query);
out.println(1);
} else {
out.println(0);
}
out.println(1);
} catch (Exception X) {
out.println(-1);
}
} else out.println(0);
} else {
out.println(-1);
}
}