Rails - Oct 2006 - update_attributes

I''m working on a form that updates a product record and several
associated detail records.

The detail records are showing and populating okay in the form. But
when it hits the controller, I get Couldn''t find Detail with ID=detail
AND (details.product_id = 38). The :detail params seem to refer to the
correct record id. Anyone have an idea how to fix this?

Here''s the controller:

  def edit
      if request.get?
          @product = Product.find(params[:id], :order=>''gender,
size'',
:include=>''details'' )
      else
        @product = product.find(params[:id])
        [:detail].each {|id, attributes|
@product.details.find(id).update_attributes(attributes)}
      if @product.update_attributes(params[:product])
            flash[:notice] = ''product was successfully
updated.''
            redirect_to :action => ''show'', :id =>
@product
        else
            render :action => ''edit''
        end
      end
  end

And part of the view:

<% for  @detail in @product.details %>
  <%=text_field "detail[]", "remaining", :size=>4
%>
<% end %>


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Hi --

On Thu, 5 Oct 2006, magic_hat wrote:
>
> I''m working on a form that updates a product record and several
> associated detail records.
>
> The detail records are showing and populating okay in the form. But
> when it hits the controller, I get Couldn''t find Detail with
ID=detail
> AND (details.product_id = 38). The :detail params seem to refer to the
> correct record id. Anyone have an idea how to fix this?
>
> Here''s the controller:
>
>  def edit
>      if request.get?
>          @product = Product.find(params[:id], :order=>''gender,
size'',
> :include=>''details'' )
>      else
>        @product = product.find(params[:id])
>        [:detail].each {|id, attributes|
You presumably want params[:detail] there, not just [:detail].


David

-- 
                   David A. Black |
dblack-TKXtfPMJ4Ozk1uMJSBkQmQ@public.gmane.org
Author of "Ruby for Rails"   [1] | Ruby/Rails training &
consultancy [3]
DABlog (DAB''s Weblog)        [2] | Co-director, Ruby Central, Inc.  
[4]
[1] http://www.manning.com/black | [3] http://www.rubypowerandlight.com
[2] http://dablog.rubypal.com    | [4] http://www.rubycentral.org

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I almost bought the book the other day -- it looked really good. Now
I''ll definitely have to :)


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