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#2501 ✓resolved
Mike Breen

:any_blank and :all_blank options for accepts_nested_attributes_for :reject_if

Reported by Mike Breen | April 15th, 2009 @ 06:06 PM | in 2.3.6

I'm seeing a pattern in my projects when using accepts_nested_attributes_for with the :reject_if option:

class Blog < ActiveRecord::Base
  has_many :posts
  has_one :author

  accepts_nested_attributes_for :author, :reject_if => proc { |attributes| attributes.all? {|k,v| v.blank?} }

  accepts_nested_attributes_for :posts, :reject_if => proc { |attributes| attributes.any? {|k,v| v.blank?} }

end

This patch allows you to pass the values :all_blank and :any_blank to :reject_if and will generate the proc for you.

class Blog < ActiveRecord::Base

  has_many :posts
  has_one :author

  accepts_nested_attributes_for :author, :reject_if => :all_blank
  accepts_nested_attributes_for :posts, :reject_if => :any_blank 

end

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