26.2 HAML

edit Gemfile

gem 'activemerchant'

gem 'haml', '~> 4.0'

bundle install

Using rake (10.0.3)

Using i18n (0.6.1)

Using minitest (4.6.1)

Using multi_json (1.6.1)

Using atomic (1.0.1)

Using thread_safe (0.1.0)

Using tzinfo (0.3.35)

Using activesupport (4.0.0.beta)

Using builder (3.1.4)

Using erubis (2.7.0)

Using rack (1.5.2)

Using rack-test (0.6.2)

Using actionpack (4.0.0.beta)

Using mime-types (1.21)

Using polyglot (0.3.3)

Using treetop (1.4.12)

Using mail (2.5.3)

Using actionmailer (4.0.0.beta)

Using active_utils (1.0.5)

Using json (1.7.7)

Using money (5.1.1)

Using nokogiri (1.5.6)

Using activemerchant (1.31.0)

Using activemodel (4.0.0.beta)

Using activerecord-deprecated_finders (0.0.3)

Using arel (3.0.2.20120819075748)

Using activerecord (4.0.0.beta)

Using activeresource (4.0.0.beta)

Using bcrypt-ruby (3.0.1)

Using bundler (1.3.0.pre.8)

Using highline (1.6.15)

Using net-ssh (2.6.5)

Using net-scp (1.1.0)

Using net-sftp (2.1.1)

Using net-ssh-gateway (1.2.0)

Using capistrano (2.14.2)

Using coffee-script-source (1.4.0)

Using execjs (1.4.0)

Using coffee-script (2.2.0)

Using rdoc (3.12.1)

Using thor (0.17.0)

Using railties (4.0.0.beta)

Using coffee-rails (4.0.0.beta)

Using tilt (1.3.3)

Using haml (4.0.0)

Using hike (1.2.1)

Using jbuilder (1.0.2)

Using jquery-rails (2.2.1)

Using mysql2 (0.3.11)

Using sprockets (2.8.2)

Using sprockets-rails (2.0.0.rc2)

Using rails (4.0.0.beta)

Using sass (3.2.6)

Using sass-rails (4.0.0.beta)

Using sqlite3 (1.3.7)

Using turbolinks (1.0.0)

Using uglifier (1.3.0)

Updating files in vendor/cache

Could not find activesupport-4.0.0.beta.gem for installation

rails runner "require 'haml'"

Restart the server.

cat app/views/store/index.html.erb

<% if notice %>

<p id="notice"><%= notice %></p>

<% end %>

<h1><%= t('.title_html') %></h1>

<% cache ['store', Product.latest] do %>

  <% @products.each do |product| %>

    <% cache ['entry', product] do %>

      <div class="entry">

        <%= image_tag(product.image_url) %>

        <h3><%= product.title %></h3>

        <p><%= sanitize(product.description) %></p>

        <div class="price_line">

          <span class="price"><%= number_to_currency(product.price) %></span>

          <%= button_to t('.add_html'), line_items_path(product_id: product),

            remote: true %>

        </div>

      </div>

    <% end %>

  <% end %>

<% end %>

rm app/views/store/index.html.erb

edit app/views/store/index.html.haml

- if notice

  %p#notice= notice

%h1= t('.title_html')

- cache ['store', Product.latest] do

  - @products.each do |product|

    - cache ['entry', product] do

      .entry

        = image_tag(product.image_url)

        %h3= product.title

        %p= sanitize(product.description)

        .price_line

          %span.price= number_to_currency(product.price)

          = button_to t('.add_html'), line_items_path(product_id: product),

            remote: true

get /

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26.3 Pagination 26.1 Active Merchant