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RABL

#322 RABL

Feb 08, 2012 | 8 minutes | Plugins
RABL - Ruby API Builder Language - provides a DSL for generating JSON or XML responses in a Ruby application. Learn how to share and configure complex JSON data in this episode.
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Gemfile 
gem 'rabl'
config/initializers/rabl_config.rb 
Rabl.configure do |config|
  config.include_json_root = false
end
app/views/articles/show.json.rabl 
object @article
attributes :id, :name, :published_at

if current_user.admin?
  node(:edit_url) { |article| edit_article_url(article) }
end

child :author do
  attributes :id, :name
  node(:url) { |author| author_url(author) }
end

child :comments do
  attributes :id, :name, :content
end
app/views/articles/index.json.rabl 
collection @articles

extends "articles/show"
app/views/articles/index.html.erb 
<div id="articles" data-articles="<%= render(template: "articles/index.json.rabl") %>">