class RefactorRoles < ActiveRecord::Migration
  def up
    add_column :users, :roles, :string, array: true

    User.paper_trail_off!
    User.all.each do |x|
      x.roles = ['admin']
      x.save(validation: false)
    end
    User.paper_trail_on!

    remove_column :users, :role_id

    drop_table :roles
    drop_table :rights
    drop_table :rights_roles
  end
end