rubyonrailsin

Grary wrote:
> Hi,
>
> I have controllers for two models between which there exists a
> belongs_to/has_one relationship.
>
> How do I reference the parent model object in the child controller so
> that I can later recover the child object in the parent controller,
> i.e., create and "attach" the child to the parent model for later
> recovery?
>
> I would have guessed it was something like as follows:
>
> class ChildController...
>
> def create
> @parent = ParentModel.find(params[:id]) # How to get "current"
> parent from database?

Don't bother finding the parent model if you already have the ID.
That's an extra query for no reason in most cases.

> @parent.child = ChildModel.new(params[:child])

Oh, on second reading, I see what you're asking. Check out nested
resources and accepts_nested_attributes_for. Also read the Rails guide
on associations if you haven't already.

> ...
>
> Any thoughts?

Yes, try it before you ask! :) Rails makes this simple.

>
> Grary

Best,
--
Marnen Laibow-Koser
http://www.marnen.org
marnen@marnen.org
--
Posted via http://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 rubyonrails-talk@googlegroups.com.
To unsubscribe from this group, send email to rubyonrails-talk+unsubscribe@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.