api/app/services/members_service/plan_benefits.rb

module MembersService
    class PlanBenefits

        def initialize(member)
            @member = member
            if @member.present?
                @plan_id = @member.id_card_plan_id
            else
                raise ArgumentError, "Member not found."
            end
        end

        def call
            plan_details = Baclight::IdCardPlan.joins(:baclight_id_card_plan_benefits)
                .select('id_card_plans.id, id_card_plans.title, id_card_plan_benefits.id, id_card_plan_benefits.sequence, id_card_plan_benefits.benefit, id_card_plan_benefits.benefit_desc')
                .where(id: @plan_id)
                .distinct
            {
                plan_details: plan_details,
                coverage_type: @member.coverage_class,
                effective_date: @member.eff_date,
                dependents: JSON.parse(@member.dependents)
            }
        end
    end
end