wb = xlsx_package.workbook header = wb.styles.add_style b: true, :bg_color => Stylesheet.primary.upcase.gsub('#', 'FF'), :fg_color => 'FFFFFFFF' date = wb.styles.add_style :format_code => Rails.application.secrets.excel_date_format wb.add_worksheet(name: t('export_reservations.reservations')) do |sheet| ## data table # heading labels columns = [t('export_reservations.customer_id'), t('export_reservations.customer'), t('export_reservations.email'), t('export_reservations.reservation_date'), t('export_reservations.reservation_type'), t('export_reservations.reservation_object'), t('export_reservations.slots_number_hours_tickets'), t('export_reservations.payment_method')] sheet.add_row columns, style: header # data rows @reservations.each do |resrv| data = [ resrv.user&.id, resrv.user&.profile&.full_name || t('export_reservations.deleted_user'), resrv.user&.email, resrv.created_at.to_date, resrv.reservable_type, (resrv.reservable.nil? ? '' : resrv.reservable.name), (resrv.reservable_type == 'Event') ? resrv.total_booked_seats: resrv.slots.count, (resrv.invoice&.paid_by_card?) ? t('export_reservations.online_payment') : t('export_reservations.local_payment') ] styles = [nil, nil, nil, date, nil, nil, nil, nil] types = [:integer, :string, :string, :date, :string, :string, :integer, :string] sheet.add_row data, style: styles, types: types end end