On Friday, March 1, 2013 2:58:53 PM UTC, Ruby-Forum.com User wrote:
>
> > with the :if option
> >
> > validates :question_type, :presence => true
> > validates :question, :presence => true, :if =>
> > :standard_question?
> >
> > will call the standard_question? method and only enforce the presence
> > validation on question if the method returns true. There is also a
> > lambda
> > form
> >
> > validates :question, :presence => true, :if => lambda {|record|
> > record.question_type == 'standard'}
> >
> > Fred
>
> Thanks Fred,
> Got this error
> undefined method `standard_question?' for #<Question:0x007f947ddb2e00>
> Do I need to write a standard_question method
>
> Yes - it's up to you to write a standard_question? method. The lambda
saves you having to have the condition in a separate method but can make
your validation look more cluttered (especially for more complicated
conditions).
Fred
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