Simple CSV Exporter Module

csv_exporter_module.rb

module CsvExporter
  def self.export_results(results)
    folder = Rails.root.join("public", "csv_exports")
    FileUtils.mkdir_p(folder)
    filepath = folder.join("csv_export_#{DateTime.now.to_i}.csv")

    CSV.open(filepath, "wb") do |csv|
      csv << self.headers
      results.each do |result|
        csv << self.format_row(result)
      end
    end

    filepath
  end

  private
    def self.headers
      [
        "ID",
        "Created at"
      ]
    end

    def self.format_row(result)
      [
        result.id,
        result.created_at
      ]
    end
end