Im making a Cart for my site, so I make Orders Controller to manage Orders
so inside I do
def add_product @product = Product.find(params[:id]) @order = Order.find_by_client_id(current_user.id) @order.products << @product end
on Product view/show I place <%= link_to t(:add_to_cart), order_add_product_path(@product) %>
config/routes resources :orders do get :add_product end
But i kept getting
http://localhost:3000/orders/3/add_product ActiveRecord::RecordNotFound in OrdersController#add_product Couldn't find Product without an ID
model: orders has_and_belongs_to_many :products products has_and_belongs_to_many :orders