Redis RPOPZADD for Ruby

sample.rb

require 'redis'
class Redis
  REDIS_RPOPZADD = "
    local value = redis.call('zrange', KEYS[1], -1, -1)[1]
    local score = redis.call('zscore', KEYS[1], value)
    redis.call('zremrangebyrank', KEYS[1], -1, -1)
    redis.call('zadd', KEYS[2], score, value)
    return { value, score }"
  
  def rpopzadd(source, dest)
    eval REDIS_RPOPZADD, [source, dest]
  end
end

Redis.current.rpopzadd :sorted_queue, :processing