class MoveSystemDescriptionToHost < ActiveRecord::Migration
  class Host < ApplicationRecord
    self.table_name = "hosts"
  end

  class System < ApplicationRecord
    self.table_name = "katello_systems"
  end

  def up
    add_column :hosts, :description, :text

    System.find_each do |system|
      system.foreman_host.update_attribute(:description, system.description)
    end

    remove_column :katello_systems, :description
  end

  def down
    add_column :katello_systems, :description, :text

    System.find_each do |system|
      system.update_attribute(:description, system.foreman_host.description)
    end

    remove_column :hosts, :description
  end
end