[Rails] Re: Passing a Record as a Parameter

[Greg Greaves]

I changed it so that instead of trying to pass the entire record, I just 
pass the id and then in the controller, do a

ClassifiedCategory.find(params[:id])

and it works ok.  But this is unnecessary DB i/o if it can be avoided by 
just passing the record.

-Greg

Greg Greaves wrote:
> Consider the following code:
> 
> Snippet from my view....
> 
> <% for cc in @classified_categories %>
> <tr>
> <td><%= link_to cc.description, :controller =>'classified_ads', :action 
> => 'list', :id =>cc %></td>
> </tr>
> <% end %>
> 
> ... end snippet
> 
> the relevant bit is :id =>cc
> 
> Snippet from my controller...
> 
> def list
> @classified_category = ClassifiedCategory.new(params[:id])
> session[:classified_category_id] = @classified_category.id
> session[:classified_category_name] = @classified_category.name
> 
> @classified_ad_pages, @classified_ads = paginate :classified_ads, 
> er_page => 10
> 
> end
> 
> ... end snippet
> 
> When I run it, I get the following error on the first line of the list 
> action for the controller:
> 
> undefined method `stringify_keys!' for "1":String
> 
> It works fine if I just pass the actual id of the record as a parameter 
> (:id => cc.id) but I'd like to pass the entire record if that's 
> possible. Any suggestions?
> 
> -Greg


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