OK, thanks for that, it might help. But how would you in this case send params back to `create` or `update` to respectively know which associations (category_organisations) should be created and which deleted?
Thanks, Piotr W dniu wtorek, 19 kwietnia 2016 17:19:21 UTC+2 użytkownik Frederick Cheung napisał: > > > > As long as you don't want the same form to be usable to create new > categories, I wouldn't use nested attributes at all. > > f.collection_check_boxes :category_ids, Category.all, :id, :name > > will render a checkbox and label for each category, and the check box will > be ticked if category_ids contains the element (there are plenty of options > to customise the generated markup). I'm not entirely sure what happens if > you assign to foo_ids but the overall save fails and rolls back. If you run > into issues there I'd add a virtual attribute to hold the assigned ids and > actually set category_ids from a before_save or similar. > > Fred > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/dd2bd5eb-4f50-4756-8eef-80ecfe9a1ed7%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.

