obdev/app/models/form.rb

class Form < ApplicationRecord
    # Assuming each form can have many onboarding items associated with different owners.
    has_many :onboarding_items
    has_many :forms_roles
    has_many :roles, through: :forms_roles
    accepts_nested_attributes_for :forms_roles, allow_destroy: true
    
    validates :name, presence: true
    validates :role, inclusion: { in: %w[Participant Worker Vendor Employer] }
    # Include more validations as necessary

    after_save :update_onboarding_items

    private
  
    def update_onboarding_items
      roles.each do |role|
        # Assuming `role.name` is 'Participant', 'Worker', 'Vendor', or 'Employer'
        owner_class = role.name.constantize
    
        owner_class.find_each do |owner|
          OnboardingItem.find_or_create_by(owner: owner, form: self)
        end
      end
    end
  end