social graph ruby + redis

social_graph.rb

include Redis::Objects
	counter :visits, :start => 0
	counter :likes, :start => 0
	set :following
	set :followers

	def follow( user )
		self.following << user.id
		user.followers << id
	end

	def unfollow( user )
		self.following.delete( user.id )
		user.followers.delete( id )
	end

	def following?( user )
		self.following.include?( user.id )
	end