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

#coding=utf-8

module Mobile
  module Apis
    class Whomeworks< Grape::API
      resources :whomeworks do

        desc "get one homework"
        get ':id' do
          user = UserWechat.find_by_openid(params[:openid]).user
          homework = HomeworkCommon.find params[:id]
          present :data, homework, with: Mobile::Entities::Whomework,user: user
          present :status, 0
        end
      end
    end
  end
end