"Re-send a gift coupon" feature I implemented on a Ruby on Rails application at my last job

_coupon_block.html.haml

# only including what I helped write below

.coupon_list
      - array_of_coupons.each do |coupon|
        %div
          - if redeemed
            %span.cross_out
              = "#" + coupon.uid
            %span.green
              = link_to (coupon.user_redeemed ? "Mark as New" : "Mark as Used"), '#', :class => 'user_redeemed', :rel => toggle_user_redeemed_coupon_path(coupon)
          -elsif !redeemed && !coupon.gift
            %span
              = "#" + coupon.uid
            %span.redeemed
              = link_to 'Print', "/offers/#{offer_option.offer_id}/coupons/#{coupon.id}.pdf"
              |
              = link_to (coupon.user_redeemed ? "Mark as New" : "Mark as Used"), '#', :class => 'user_redeemed', :rel => toggle_user_redeemed_coupon_path(coupon)
          -else
            %span
              = "#" + coupon.uid
            %span.redeemed
              = link_to 'Print', "/offers/#{offer_option.offer_id}/coupons/#{coupon.id}.pdf"
              |
              = link_to 'Resend', edit_coupon_gift_path(coupon.id, coupon.gift.id), :rel => "facebox"

consumer_index.html.haml

#content
  %h1
    NEW DEALS
  %hr

  = render 'coupon_block', :offer_options_hash => @unredeemed_hash, :redeemed => false

  %h1
    REDEEMED
  %hr

  = render 'coupon_block', :offer_options_hash => @redeemed_hash, :redeemed => true


  - unless @gifts_hash.empty?
    %h1#gifts
      GIFTS
    %hr
    = render 'coupon_block', :offer_options_hash => @gifts_hash, :redeemed => false

  = link_to "Back", :back

coupons_controller.rb

# only including what I wrote below

def consumer_index
    include_facebox
    @custom_csses << "compiled/gifts/edit.css"

    if current_user
      unredeemed_array = []
      redeemed_array = []
      gifts_array = []
      current_user.coupons.each do |c|
        unredeemed_array << c unless c.user_redeemed || c.gift
        redeemed_array << c if c.user_redeemed
        gifts_array << c if c.gift
      end

      @unredeemed_hash = unredeemed_array.sort_by{|c| c.offer_option.offer.title }.group_by { |x| x.offer_option }
      @redeemed_hash = redeemed_array.sort_by{|c| c.offer_option.offer.title }.group_by { |x| x.offer_option}
      @gifts_hash = gifts_array.sort_by{|c| c.offer_option.offer.title }.group_by { |x| x.offer_option}
    end
  end

edit.html.haml

- if @gift.errors.any?
  #errorExplanation
    %h3= "#{pluralize(@gift.errors.count, 'error')} prohibited this coupon from being resent:"
    %ul
      - @gift.errors.full_messages.each do |msg|
        %li= msg

#edit_gift_info
  %h2
    Resend gift
  = simple_form_for @gift, :url => coupon_gift_path(@coupon.id, @gift.id), :html => { :id => "edit_form", :multipart => true} do |f|


    = f.input :friend_name, :label => "Recipient name: ", :disabled => true, :input_html => {:size => "29"}, :required => false
    = f.input :friend_email, :label => "Recipient email: ", :required => true, :input_html => {:size => "29"}
    = f.input :message, :label => "Optional message: ", :input_html => { :id => "message", :cols => "39", :rows => "4"}, :as => :text
    .submit
      = f.submit 'Submit'