Mongoid User and Events

require 'rubygems'
require 'mongoid'

Mongoid.configure do |config|
  config.master = Mongo::Connection.new.db("test")
end

class User
  include Mongoid::Document
  field :name
  embeds_many :user_events
end

class UserEvent
  include Mongoid::Document

  belongs_to :event
  embedded_in :user

  field :attending?, :type => Boolean
  field :money_spent
end

class Event
  include Mongoid::Document

  field :title
  field :date
end

User.collection.remove
Event.collection.remove
UserEvent.collection.remove

User.create(:name => 'Jimmy')
u = User.create(:name => 'Joe')
e = Event.create(:title => 'Oscars', :date => Time.new)
u.user_events.create(:event => e, :attending? => true)

User.all.each do |user|
	user_events = user.user_events.where(:attending? => true)
	puts user.name + " isn't going anywhere" if user_events.blank?
	
	user_events.each do |e|
		puts user.name + ' is going to the ' + e.event.title
	end
end

# Output:
# Jimmy isn't going anywhere
# Joe is going to the Oscars