Way to save table in a data store for used promo codes

Help and Feedback Scripting Support
#1

Hi
I added promo codes to my game and everything is done except checking if the player has redeemed it already. I know I have to use a data store but I need to save a table of used codes under player’s data store key. Or is there a different way of doing it?

#2

I would say the table option is the best option overall. I’d go with that.

1 Like
#3

It’s best to keep data pertaining to a single player contained within the same dictionary, just do something like the following.

local playerData = {
	["Data"] = {},
	["RedeemedCodes"] = {"CODE1", "CODE2"}
}
1 Like
#4

Thank you, could please show me a code snippet of how would I implement it. I’m sorry I’m new to data stores and I couldn’t find any well explained posts/videos.
I started with this:

local dataStore = DataStoreService:GetDataStore("LuckyFightersX")

local Players = game:GetService("Players")

local function setUp(player)
	local userId = Players.userId
	local key = "UsedCodes_" .. userId
	
	local usedCodesData = dataStore:GetAsync(key)
end

Players.PlayerAdded:Connect(setUp)

It’s from a devforum tutorial post.

#5 
local function saveData(player)
	local userId = player.UserId
	local key = "UsedCodes_" .. userId
	
	local dataToSave = {
		["Data"] = {},
		["RedeemedCodes"] = {"CODE1", "CODE2"}
	}
	
	dataStore:SetAsync(key, dataToSave)
end
1 Like
#7

Thank you so much, can I ask what is the [“Data”] = {} for?

#9

The [“Data”] = {} simply represents any other data you’re saving. It doesn’t have to be just one key for the rest of the data, it’s just a filler I put in.

1 Like
#10

I think the table is the best option to save a list of data

1 Like
#11

Also how would I get back this data. If after the server checks the code is valid I want to add that code to the table, how would I go about it? Or access other saved values since it’s all under 1 key?

#12

If the code is valid, you would simply do a table.insert() into the list of codes. As for accessing it, I would reccomend putting this data in a dictionary when the set up function is called. For an example:

local dataStore = game:GetService("DataStoreService"):GetDataStore("LuckyFightersX")

local Players = game:GetService("Players")

local playerDict = {}

local function setUp(player)
	local userId = Players.userId
	local key = "UsedCodes_" .. userId

	local usedCodesData = dataStore:GetAsync(key)
	-- Get the dictionary from usedCodesData, I forget how with regular datastores, I use datastore2. I will call the data DATA in the script.
	playerDict[player] = DATA
end

local function saveData(player)
	local userId = player.UserId
	local key = "UsedCodes_" .. userId

	local dataToSave = {
		["Data"] = {},
		["RedeemedCodes"] = {"CODE1", "CODE2"}
	}

	dataStore:SetAsync(key, dataToSave)
	
	playerDict[player] = nil
end

Players.PlayerAdded:Connect(setUp)
Players.PlayerRemoving:Connect(saveData)