Serial Generator Lua

local random = Random.new()
local randomMin, randomMax = 100, 99999

local InventoryService = {}

function InventoryService.getRandomNumber()
    return random:NextInteger(randomMin, randomMax)
end

function InventoryService:GetUniqueSerial(Inventory)

    local armors = Inventory["Armors"]
    local weapons = Inventory["Weapons"]

    local uniqueSerial

    local function recursion()
        uniqueSerial = self.getRandomNumber()
        if armors[uniqueSerial] or weapons[uniqueSerial] then
            recursion()
        end
    end

    recursion()

    return uniqueSerial

end