baclight/app/models/plan.rb

class Plan < ApplicationRecord
  belongs_to :employer_setup_process
  has_many :plan_benefits, dependent: :destroy
  accepts_nested_attributes_for :plan_benefits, allow_destroy: true, reject_if: :all_blank

  after_initialize :create_default_benefits, if: :new_record?



  private

  def create_default_benefits
    benefits = IdCardBenefitsTemplate.find_by(title: "BLANK").id_card_benefits.sort_by(&:sequence)
    benefits.each do |ben|
      plan_benefits.new(benefit_desc: ben.benefit_desc, sequence: ben.sequence)
    end
  end
end