On Tue, May 3, 2011 at 2:33 PM, Michael Pavling <pavl...@gmail.com> wrote:
> On 3 May 2011 20:30, Michael Pavling <pavl...@gmail.com> wrote:
> > On 3 May 2011 20:26, David Kahn <d...@structuralartistry.com> wrote:
> >> record =
> eval("#{associated_record_type}").find_by_id(associated_record_id)
> >>
> >> Is there a way to do this dynamically without using an eval?
> >
> > record =
> associated_record_type.classify.constantize.find_by_id(associated_record_id)
> >
>
> Actually, you might be better off with just .constantize - depends
> what precise value you have in "associated_record_type"
>
Michael, thats just what I was looking for. It is a polymorphic situation
and the value in the field is a string, so works out perfect. Thanks!
>
> record =
> associated_record_type.constantize.find_by_id(associated_record_id)
>
>
> http://api.rubyonrails.org/v2.3.8/classes/ActiveSupport/CoreExtensions/String/Inflections.html
>
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