socialforge/app/api/mobile/apis/newss.rb

#coding=utf-8

module Mobile
  module Apis
    class Newss< Grape::API
      resources :newss do

        desc "get special news"
        get ':id' do
          news = News.find params[:id]
          present :data, news, with: Mobile::Entities::News
          present :status, 0
        end
      end
    end
  end
end