Rails - Aug 2006 - Re: Not sure why this doesn't work - AWDRW chapter 8 page 96 tutorial

I will mark the page and book name in future posts.  Thanks for the
tip.

As for the problem I am still unable to figure it out.  I reverted to
exactly the way the book did things (or at least I think it is exact)
with no luck.

I think the issue is in the return of a value from the add_to_cart
method.  In addition to trying to return the item and product, I have
also tried to return a simple string value ,but still don''t see any
value in the code within the comment block

<!-- <%= @current_item %> -->
after returning a value from the model:

def add_product(product)
    #determine if the product already exists within the cart
    existing_item = @items.find {|item| item.product == product }
    if existing_item
      existing_item.increment_quantity
    else
      existing_item = CartItem.new(product)
      @items << existing_item
    end
    return "It is added"  #tried without the return keyword as well
  end

and the controller:
@current_item = @cart.add_product(@product)


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