require 'csv' class BankTransactionsCsv < RenderCsv include ApplicationHelper def header [ BankTransaction.human_attribute_name(:external_id), BankTransaction.human_attribute_name(:date), BankTransaction.human_attribute_name(:amount), BankTransaction.human_attribute_name(:iban), BankTransaction.human_attribute_name(:reference), BankTransaction.human_attribute_name(:text) ] end def data @object.each do |t| yield [ t.external_id, t.date, t.amount, t.iban, t.reference, t.text ] end end end