submit-social-housing-lettings-and-sales-data/app/models/concerns/generate_csv.rb

module GenerateCsv
  extend ActiveSupport::Concern

  class_methods do
    def to_csv
      CSV.generate(headers: true) do |csv|
        csv << self.attribute_names

        all.each do |record|
          csv << record.attributes.values
        end
      end
    end
  end
end