Hello,
I have a model called Sample that has many Treatments. A Treatment
can have many Results.
I want to reject the creation of a Treatment if all its fields are
blank and if all the fields of each of its nested Results are blank.
I have this in the Sample model:
accepts_nested_attributes_for :treatments, :allow_destroy =>
true, :reject_if => proc { |attributes|
attributes['treatmenttype'].blank? && attributes['author'].blank? &&
attributes['results_attributes'].blank? }
This part:
attributes['results_attributes'].blank?
only makes it reject the Treatment if there are no Results, but how
can I write the conditions so that it will reject the creation of a
Treatment if all the attirubtes of each Result are blank? Right now
it creates the Treatment if the Result exists, regardless of whether
all its fields are blank.
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