internetee-registry/app/presenters/registrar/domain_list_csv_presenter.rb

class Registrar::DomainListCSVPresenter
  def initialize(domains:, view:)
    @domains = domains
    @view = view
  end

  def to_s
    table = CSV::Table.new([header])

    domains.each do |domain|
      table << domain_to_row(domain: domain)
    end

    table.to_s
  end

  private

  def header
    columns = %w(
      domain_name
      auth_info
      registrant_name
      registrant_code
      expire_time
    )

    columns.map! { |column| view.t("registrar.domains.index.csv.#{column}") }

    CSV::Row.new(columns, [], true)
  end

  def domain_to_row(domain:)
    row = []
    row[0] = domain.name
    row[1] = domain.auth_info
    row[2] = domain.registrant_name
    row[3] = domain.registrant_code
    row[4] = domain.expire_date
    row

    CSV::Row.new([], row)
  end

  attr_reader :domains
  attr_reader :view
end