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jerodsanto/online_users.rb

Created May 6, 2011 18:44
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online_users.rb
def online_users(since = 5)
sessions = ActiveRecord::SessionStore::Session.where("updated_at >= ?", since.minutes.ago)
user_ids = sessions.all.map { |session| session.data["user_id"] }
User.where(:id => user_ids)
end
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