File: moving_window.lua

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python-limits 4.4.1-3
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local items = redis.call('lrange', KEYS[1], 0, tonumber(ARGV[2]))
local expiry = tonumber(ARGV[1])
local a = 0
local oldest = nil

for idx=1,#items do
    if tonumber(items[idx]) >= expiry then
        a = a + 1

        local value = tonumber(items[idx])
        if oldest == nil or value < oldest then
            oldest = value
        end
    else
        break
    end
end

if oldest then
    return {tostring(oldest), a}
end