Dump yml in to files

yaml_dump.rb

class YamlDump
  def dump!
    dump(Race)
    dump(Background)
    dump(CharacterClass)
  end

  private

  def dump(klass)
    folder = klass.name.underscore.downcase.pluralize

    klass.all.each do |object|
      write(folder, object[:slug], object.to_yaml)
    end
  end

  def write(folder, slug, contents)
    filename = Rails.root.join('config', 'seeds', folder, "#{slug}.yml")

    File.open(filename, 'w+') { |f| f.write(contents) }
  end
end