/**
* Adds item to the cart
*
* @param productId
* @param quantity
* @param mode
* @param model
* @param request
*/
@RequestMapping(value = "/add/{productid}", method = RequestMethod.PUT)
@ResponseStatus(value = HttpStatus.NO_CONTENT)
public void addToCart(
@PathVariable("productid") int productId,
@RequestParam("quantity") int quantity,
@RequestParam("mode") String mode,
Model model,
HttpServletRequest request) {
// get cart id from session
String cartId = request.getSession(true).getId();
Cart cart = cartService.read(cartId);
if (cart == null) {
cart = cartService.create(new Cart(cartId));
}
// get product infomation
Product product = productService.getProductById(productId);
if (product == null) {
throw new ProductNotFoundException(productId, "{product.not.found}");
}
CartItem item = new CartItem(product);
item.setQuantity(quantity);
cart.addCartItem(item, mode);
cartService.update(cartId, cart);
}
/**
* Displays cart items of user
*
* @param cartId
* @param model
* @return
*/
@RequestMapping(value = "/view/{id}", method = RequestMethod.GET)
public String showCart(@PathVariable("id") String cartId, Model model) {
model.addAttribute("cartId", cartId);
Cart cart = cartService.read(cartId);
if (cart == null) {
cart = new Cart(cartId);
cartService.create(cart);
}
model.addAttribute("cart", cart);
return "cart";
}
/**
* Removes item from cart
*
* @param productId
* @param model
* @param request
*/
@RequestMapping(value = "/remove/{productid}", method = RequestMethod.DELETE)
@ResponseStatus(value = HttpStatus.NO_CONTENT)
public void removeFromCart(
@PathVariable("productid") int productId, Model model, HttpServletRequest request) {
String cartId = request.getSession().getId();
Cart cart = cartService.read(cartId);
if (cart != null) {
Product product = productService.getProductById(productId);
if (product == null) {
throw new ProductNotFoundException(productId, "{product.not.found}");
}
cart.removeCartItem(new CartItem(product));
cartService.update(cartId, cart);
}
}