Probably a silly question. Have you declared the belongs_to and has_many associations?
On Nov 2, 11:08 am, Stuart Corbishley <[email protected]> wrote: > I have 2 models, Category and LineItemTypes > > There are already plenty existing of both, it is now a requirement for > them to be associated. Being many LineItemTypes for every Category. > > I have added accepts_nested_attributes_for :line_item_types on Category > > I've tried using a hidden_field on a form to create a list of existing > associated LineItemTypes: > > - form_for @category do |form| > %ul#categorised > - form.fields_for :line_item_types do |line_item_types| > -categorised.each do |l| > %li > =l.description > =line_item_types.hidden_field :category_id > > =form.submit > > If I add an item to that list, I get errors saying that a LineItemType > for that Category can't be found. I thought > accepts_nested_attributes_for would add the association if it doesn't > exist. Or is it only for 'creating' new records and modifying existing > relationships, not creating new relationships. > > a.update_attributes({:line_item_types_attributes => [{:id => 2767}, {:id > => LineItemType.find(2).id}]}) > ActiveRecord::RecordNotFound: Couldn't find LineItemType with ID=2 for > Category with ID=1 > > Any ideas without having to write something to traverse the resulting > form params and create the associations? Or an even easier way to > achieving this? I have an existing association with > > -- > Posted viahttp://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
