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h-sakano/file0.txt

Created October 7, 2017 14:19
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デフォルト値が設定されているモデルのreject_ifの指定方法 ref: http://qiita.com/h-sakano/items/06c11c9208e62e69491a
Raw
file0.txt
has_many :users
accepts_nested_attributes_for :users, reject_if: :all_blank
Raw
file1.txt
has_many :users
accepts_nested_attributes_for :users, reject_if: :reject_user
# デフォルト値が設定されているカラム以外が全て空ならreject
def reject_user(attributes)
attributes.except(:デフォルト値が設定されているカラム名).values.all?(&:blank?)
end
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