Sithara's Profile

class CouponController < ApplicationController
  def index
    @coupons = Coupon.all.page(params[:page])
    @coupons = @coupons.for_amount(params[:amount]) if params[:amount].present?
    @coupons = PaginatingDecorator.new(@coupons)

    respond_with(@coupons) do |format|
      format.html
      format.csv { render :text => coupons_csv }
    end
  end

 private

  def coupons_csv
    column_names = %w(code name id amount expiration_date)
    CSV.generate do |csv|
      csv << column_names
      @coupons.each do |coupon|
        csv << column_names.map{ |attr| coupon.public_send(attr) }
      end
    end
  end