FootyShops Hub v1.0.0

rednet.open("back")
--[[
    Description:
        Splits a string by spaces.
    Parameters:
        input: The text to split.
    Returns:
        Table
            -The separate words.
]]--
local function splitBySpaces(input)
        local output={} ; i=1
        for str in string.gmatch(input, "([^%s]+)") do
                output[i] = str
                i = i + 1
        end
        return output
end

while true do
    local id, message_string = rednet.recieve()
    local message = splitBySpaces(message_string)
    --Get a player's data
    if message[1] == "get_player_data" then
        local datafile = fs.open("playerdata","r")
        local datatable = textutils.unserialize(datafile.readAll())
        datafile.close()
        if datatable[message[2]] then
            rednet.send(id,textutils.serialize(datatable[message[2]]))
        else
            local playerdata = {}
            playerdata["playername"] = message_2
            playerdata["balance"] = 0
            playerdata["terms_accepted"] = false
            rednet.send(id,textutils.serialize(playerdata))
            datatable[message[2]] = playerdata
            datafile = fs.open("playerdata","w")
            datafile.write(textutils.serialize(datatable))
            datafile.close()
        end
    end
    --Set a player's balance
    if message[1] == "set_player_balance" then
        local datafile = fs.open("playerdata","r")
        local datatable = textutils.unserialize(datafile.readAll())
        datafile.close()
        if datatable[message[2]] then
            local playerdata = datatable[message[2]]
            playerdata["balance"] = tonumber(message[3])
            datatable[message[2]] = playerdata
            datafile = fs.open("playerdata","w")
            datafile.write(textutils.serialize(datatable))
            datafile.close()
        else
            local playerdata = {}
            playerdata["playername"] = message[2]
            playerdata["balance"] = tonumber(message[3])
            playerdata["terms_accepted"] = false
            rednet.send(id,textutils.serialize(playerdata))
            datatable[message[2]] = playerdata
            datafile = fs.open("playerdata","w")
            datafile.write(textutils.serialize(datatable))
            datafile.close()
        end
    end
    --Set if a player accepted terms
    if message[1] == "player_accepted" then
        local datafile = fs.open("playerdata","r")
        local datatable = textutils.unserialize(datafile.readAll())
        datafile.close()
        if datatable[message[2]] then
            local playerdata = datatable[message[2]]
            playerdata["terms_accepted"] = true
            datatable[message[2]] = playerdata
            datafile = fs.open("playerdata","w")
            datafile.write(textutils.serialize(datatable))
            datafile.close()
        else
            local playerdata = {}
            playerdata["playername"] = message[2]
            playerdata["balance"] = 0
            playerdata["terms_accepted"] = true
            rednet.send(id,textutils.serialize(playerdata))
            datatable[message[2]] = playerdata
            datafile = fs.open("playerdata","w")
            datafile.write(textutils.serialize(datatable))
            datafile.close()
        end
    end
end