/** GET: shows the contents of the cart */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
try {
Customer customer = getOrCreateCustomer(req, resp);
Cart cart = getStorefrontService(req).getCustomerCart(customer.getId());
showPage(req, resp, "Cart", "store-cart", cart, customer);
} catch (Exception ex) {
showCriticalErrorPage(req, resp, ex);
}
}
/**
* POST: For an "update" action : update cart and show the cart page For a "checkout" action:
* moves the cart items to a transaction and redirects to the products page with a success message
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
try {
Customer customer = getOrCreateCustomer(req, resp);
String action = req.getParameter("action");
if ("update".equals(action)) {
Map<Long, Integer> productQuantityMap = new HashMap<Long, Integer>();
for (Map.Entry<String, String[]> param : req.getParameterMap().entrySet()) {
if (param.getKey().startsWith("product-")) {
long productId = Long.parseLong(param.getKey().substring(8));
int quantity = Integer.parseInt(param.getValue()[0]);
productQuantityMap.put(productId, quantity);
}
}
int cartItemCount =
getStorefrontService(req).updateCart(customer.getId(), productQuantityMap);
customer.setCartItemCount(cartItemCount);
doGet(req, resp);
} else if ("checkout".equals(action)) {
// Move items from cart to transaction
getStorefrontService(req).checkout(customer.getId());
// Report success
String itemDesc =
(customer.getCartItemCount() != 1) ? customer.getCartItemCount() + " items" : "item";
addMessage(
req,
MessageSeverity.SUCCESS,
"Your transaction was successful. Your "
+ itemDesc
+ " will be shipped soon. Thank you for shopping with us!");
// Forward to products page
customer.setCartItemCount(0);
resp.sendRedirect(
"store-products?tenant="
+ UriComponent.encode(
getTenant(req).getAppInstance().getTenantName(), Type.QUERY_PARAM));
}
} catch (Exception e) {
addErrorMessage(req, e);
doGet(req, resp);
}
}