> I am wondering of how to use validates_presence_of in case I want to
> check either one of the field is present
>
> for example
> validates_presence_of :phone_number, mobile_number
>
> I want to check if either one presents, it accepts the request. How
> can we do that
One way...
validates_presence_of :phone_number, :if => Proc.new { |thing|
thing.mobile_number.blank? }
validates_presence_of :mobile_number, :if => Proc.new { |thing|
thing.phone_number.blank? }
Probably others as well.
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