On Jan 8, 2:59 pm, Alpha Blue <li...@ruby-forum.com> wrote:
> What I want to do is ensure that if the redirect box is checked for
> true, that the name field matches the controller_name field precisely.
>
> I'm not sure if validates_presence_of will do it. I may have to create
> a custom validation but am unsure how to proceed.
>
validates_presence_of doesn't do that.
Custom validations aren't scary. Adding a class method like
def validates_foo(*attr_names)
options = attr_names.extract_options!
validates_each(attr_names, options) do |record, attr_name, value|
record.errors.add(attr_name, options[:message]) if ...
end
end
end
lets you do
validates_foo :attr1, :attr2
You get stuff like :if and :unless for free
Fred
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