orderProducts = $orderProducts; $this->cartItems = $cartItems; } public function getOrderProducts() { return $this->orderProducts; } public function setOrderProducts($orderProducts) { $this->orderProducts = $orderProducts; } public function getCartItems() { return $this->cartItems; } public function setCartItems($cartItems) { $this->cartItems = $cartItems; } const DUPLICATE_PRODUCT = "duplicate.product"; }