class AddingArchivedStateToMessages < ActiveRecord::Migration
  def self.up
    add_column :messages, :archived_by_sender, :boolean, :default => false
    add_column :messages, :archived_by_recipient, :boolean, :default => false
  end

  def self.down
    remove_column :messages, :archived_by_sender
    remove_column :messages, :archived_by_recipient
  end
end