how can i create a limited quantity system?

[halcyon nexus]

i tried this many times but failed

with weapons

[violet crown]

what have u tried

[halcyon nexus]

a limited quantity system

[ashen plume]

** You are now Level 1! **

[amber gale]

https://tenor.com/view/patrick-drooling-patrick-star-spongebob-movie-drooling-slime-gif-525340425450564005

[ashen plume]

** You are now Level 5! **

[crimson warren]

😭

[violet crown]

ong

how do these ppl survive, even gpt cant work with this

[thorny dirge]

they even try to create games bro 😭

[halcyon nexus]

just let me know if anyone knows or not to help my game THATS ALL

[halcyon nexus]

bc they kill themselves studying programming every day

chatgpt helps just enough

[violet crown]

@halcyon nexus spare me bro

[halcyon nexus]

sorry bro

[limber jackal]

@halcyon nexus

local DataStoreService = game:GetService("DataStoreService")
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local ServerStorage = game:GetService("ServerStorage")

local StockData = DataStoreService:GetDataStore("WeaponStock_v1")
local WeaponFolder = ServerStorage:WaitForChild("LimitedWeapons")

local PurchaseRemote = Instance.new("RemoteFunction")
PurchaseRemote.Name = "PurchaseWeapon"
PurchaseRemote.Parent = ReplicatedStorage

PurchaseRemote.OnServerInvoke = function(player, weaponName)
local success, currentStock = pcall(function()
return StockData:GetAsync(weaponName)
end)

if success and currentStock and currentStock > 0 then
    local weaponModel = WeaponFolder:FindFirstChild(weaponName)
    
    if weaponModel then
        local updateSuccess, newStock = pcall(function()
            return StockData:UpdateAsync(weaponName, function(oldValue)
                if oldValue and oldValue > 0 then
                    return oldValue - 1
                end
                return nil
            end)
        end)

        if updateSuccess and newStock then
            local tool = weaponModel:Clone()
            tool.Parent = player.Backpack
            return true, newStock
        end
    end
end

return false, 0

end

server script

i dont know how u want it