Sinatra Decorator

sinatra-decorator is a gem for Sinatra.
Adds an object-oriented layer of presentation logic to your Sinatra application.

Installation

Add the following to your Gemfile:

gem 'sinatra/decorator'

And then execute:

$ bundle

Examples

# app.rb
require 'sinatra'
require 'slim'
require 'sinatra/decorator'
require_relative 'models/post'
require_relative 'decorators/post_decorator'

get '/' do
  @post = Post.new.decorate # will try to find "#{self.class}Decorator" class
  slim :show
end

# models/post.rb
#class Post < ActiveRecord::Base
#  include Sinatra::Decorator::Decoratable
#end
class Post
  include Sinatra::Decorator::Decoratable

  attr_accessor :id, :body
  def initialize(params = {})
    @id   = params[:id]   || 1
    @body = params[:body] || "body"
  end
end

# decorators/post_decorator.rb
class PostDecorator < Sinatra::Decorator::Base
  def formated_body
    object.body.gsub('b', 'a')
  end
end

# views/show.slim
h1 = @post.id
div
  = @post.formated_body

Contributing

Fork it
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request

Copyright

Special Thanks

This gem was made on the basis of the padrino-decorator. I greatly appreciate for the orignal author Mr. @tyabe.