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adavia/answer.rb

Last active January 31, 2017 16:17
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Reject based on deep nested blank attributes
Raw
answer.rb
class Answer < ApplicationRecord
has_one :answer_open, dependent: :destroy
has_one :answer_rating, dependent: :destroy
accepts_nested_attributes_for :answer_open, reject_if: :all_blank
accepts_nested_attributes_for :answer_rating, reject_if: :all_blank
end
Raw
submission.rb
class Submission < ApplicationRecord
has_many :answers, dependent: :destroy
accepts_nested_attributes_for :answers, reject_if: proc { |attributes|
attributes.all? do |key, value|
if value.is_a? ActionController::Parameters
value.all? { |nested_key, nested_value| nested_key == '_destroy' || nested_value.blank? }
else
key == '_destroy' || value.blank?
end
end
}
# REJECT ANSWER IF ASSOCIATED ANSWER_TYPE IS BLANK
end
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