baclight/app/models/id_card/field_exception.rb

module IdCard
    class FieldException < ApplicationRecord
        belongs_to :setup
        has_many :field_exception_items, dependent: :destroy
        accepts_nested_attributes_for :field_exception_items, allow_destroy: true, reject_if: :all_blank

        serialize :exception_values, coder: JSON

        validates :exception_type, :exception_values, presence: true

        VALID_TYPES = ['family_id', 'zipcode', 'state'].freeze

        before_validation :format_exception_values, if: :exception_values_changed?

        validates :exception_type, inclusion: { in: VALID_TYPES,
                                        message: "%{value} is not a valid exception type" }


        def to_card_attrs
            self.field_exception_items.map(&:card_attrs).reduce({}, :merge)
        end

        class << self

            def permitted_params(params)
                params.require(:id_card_setup).permit(
                    field_exceptions_attributes: [
                        :exception_type,
                        :exception_values,
                        :_destroy,
                        field_exception_items_attributes: [
                            :field_name,
                            :field_value,
                            :network_logo_id,
                            :provider_section_id,
                            :_destroy
                        ]
                    ] 
                )
            end

        end

        private
        
        def format_exception_values
            if self.exception_values.is_a?(String)
                self.exception_values = self.exception_values.split(",").map(&:strip)
            end
        end

    end
end