Agile Web Development with Rails, Edition 4

27.3 Pagination 27.1 Active Merchant

27.2 HAML

edit Gemfile
gem 'activemerchant', '~> 1.58'
gem 'haml', '~> 4.0'
bundle install --local
Resolving dependencies...
Using rake 12.0.0
Using i18n 0.8.4
Using json 1.8.6
Using minitest 5.3.3
Using thread_safe 0.3.6
Using builder 3.2.3
Using erubis 2.7.0
Using rack 1.5.5
Using mime-types-data 3.2016.0521
Using arel 5.0.1.20140414130214
Using bundler 1.15.1
Using thor 0.19.4
Using hike 1.2.3
Using multi_json 1.12.1
Using tilt 1.4.1
Using sqlite3 1.3.13
Using mysql2 0.3.21
Using sass 3.2.19
Using execjs 2.7.0
Using coffee-script-source 1.12.2
Using turbolinks-source 5.0.3
Using rdoc 4.3.0
Using spring 1.7.2
Using bcrypt 3.1.11
Using net-ssh 4.1.0
Using mini_portile2 2.1.0
Using i18n-js 3.0.0
Using tzinfo 1.2.3
Using rack-test 0.6.3
Using mime-types 3.1
Using sprockets 2.12.4
Using haml 4.0.7
Using uglifier 3.2.0
Using coffee-script 2.4.1
Using turbolinks 5.0.1
Using sdoc 0.4.2
Using net-scp 1.2.1
Using nokogiri 1.7.2
Using activesupport 4.1.16 from source at `/home/rubys/git/rails`
Using mail 2.6.5
Using sshkit 1.13.1
Using actionview 4.1.16 from source at `/home/rubys/git/rails`
Using activemodel 4.1.16 from source at `/home/rubys/git/rails`
Using jbuilder 2.6.4
Using activemerchant 1.66.0
Using airbrussh 1.2.0
Using actionpack 4.1.16 from source at `/home/rubys/git/rails`
Using activerecord 4.1.16 from source at `/home/rubys/git/rails`
Using capistrano 3.8.1
Using actionmailer 4.1.16 from source at `/home/rubys/git/rails`
Using railties 4.1.16 from source at `/home/rubys/git/rails`
Using sprockets-rails 2.3.3
Using capistrano-bundler 1.2.0
Using capistrano-rvm 0.1.2
Using capistrano-passenger 0.2.0
Using coffee-rails 4.0.1
Using jquery-rails 3.1.4
Using jquery-ui-rails 6.0.1
Using rails 4.1.16 from source at `/home/rubys/git/rails`
Using sass-rails 4.0.5
Using capistrano-rails 1.2.3
Bundle complete! 20 Gemfile dependencies, 61 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
rails runner "require 'haml'"

Restart the server.

cat app/views/store/index.html.erb
<p id="notice"><%= notice %></p>
 
<h1><%= t('.title_html') %></h1>
 
<% cache @products do %>
  <% @products.each do |product| %>
    <% cache product do %>
      <div class="entry">
        <%= image_tag(product.image_url) %>
        <h3><%= product.title %></h3>
        <%= sanitize(product.description) %>
        <div class="price_line">
          <span class="price"><%= number_to_currency(product.price) %></span>
          <%= button_to t('.add_html'),
            line_items_path(product_id: product, locale: I18n.locale),
            remote: true %>
        </div>
      </div>
    <% end %>
  <% end %>
<% end %>
rm app/views/store/index.html.erb
edit app/views/store/index.html.haml
%p#notice= notice
 
%h1= t('.title_html')
 
- cache @products do
  - @products.each do |product|
    - cache product do
      .entry
        = image_tag(product.image_url)
        %h3= product.title
        = sanitize(product.description)
        .price_line
          %span.price= number_to_currency(product.price)
          = button_to t('.add_html'),
            line_items_path(product_id: product, locale: I18n.locale),
            remote: true
get /

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27.3 Pagination 27.1 Active Merchant