Sinatra + Mongo

api.rb

require 'rubygems'
require 'sinatra/base'
require './models/contact'
require './models/phone'
require 'mongoid'

class Api < Sinatra::Base

  before do
  	content_type :json
  end

  get '/contacts' do
	  Contact.all.to_json
  end

  post '/contacts' do
  	@contact = Contact.create(params[:contact])
	@contact.to_json
  end

end

contact.rb

require "mongoid"

class Contact
	include Mongoid::Document

  field :name,  		type: String
  field :email, 		type: String
  field :twitter,		type: String
  field :github,		type: String
  has_many :phones, :autosave => true
  
  accepts_nested_attributes_for  :phones
end

phone.rb

require 'mongoid'

class Phone
	include Mongoid::Document

	field :number,	type: String
	field :type,	type: String

	attr_accessible :number, :type
	
end