require 'csv' class EmailController < ApplicationController respond_to :csv def dump_emailables if params[:code] != Rails.application.config.email_dump_code render :text => "", :status => 404 return end headers['Content-Disposition'] = "attachment; filename=\"user-list.csv\"" headers['Content-Type'] ||= 'text/csv' @users = User.where(subscribe_email: true) end end