Service Model

so.rb

class SO
  attr_accessor :url
  def initialize(url)
    url=url
  end
  
  def fetch!
    get(url) do |response|
      @attributes = response
    end
  end
  
  def get(url, options={format: :json})
    begin
      res = Resource.get(url)
      yield(send(options[:format], res))
    rescue->e
      yield {"content" => e.message}
    end
  end
  
  def respond_to?(name)
    true if @attributes[name]
    super
  end
  
  def method_missing(name, *argv, &block)
    return @attributes[name] if respond_to? name
    super
  end
end