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Ruby comparing dates

I would like to do is to know if a user has 开发者_如何学Gobeen created in the system in the last 10 second. so i would do:

  def new_user
    if(DateTime.now - User.created_at < 10)
      return true
    else 
      return false 
    end
  end

IT is just an idea , how can i do it correctly? thank you


class User < ActiveRecord::Base
  def new?
    created_at > 10.seconds.ago
  end
end

# Example:
user = User.create!
user.new?
#=> true

sleep 11
user.new?
#=> false

(Presuming your User class is an ActiveRecord model.)


User.created_at > 10.seconds.ago
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