class Agency < ApplicationRecord
  include Bitfields

  belongs_to :agent
  belongs_to :user

  bitfield :roles, :observer, :editor, :maintainer, :leader

  class << self
    # Grant role in agent to user
    def grant(agent, user, role)
      r = find_or_create_by(agent: agent, user: user)
      r&.public_send("#{role}=", true) && r&.save
    end

    # Revoke role in agent from user
    def revoke(agent, user, role)
      r = find_by(agent: agent, user: user)
      r&.public_send("#{role}=", false) && r&.save
    end
  end
end