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Ruby code posted
created at 26 Oct 10:08, updated at 14 Nov 16:57

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module SecurityGuard
  class DestroyForbidden < RuntimeError; end
    
  def destroy
    message = if [Payment, Game].include? self.class
      "#{self.class} instances could not be destroyed"
    elsif [Quest].include?(self.class) && self.games.any?
      "Quest instances with active games could not be destroyed"
    end
    raise DestroyForbidden.new(message) if message

    super
  end
end
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