need help with my cosmetic skript plis

[ELROMPEDIENTES]

I need help because whend people leave the server and they have a dye whend they join again they lost the item they buy. and how i can set whend he buy that item can just selec that item and no buyit again plis help

sorry for my bad English I am Spanish

on rightclick holding a gold sword:
    player has permission "user.lobby"
    player is in world "Lobby"
    open chest with 1 rows named "&a&lCosmeticos" to player
    format slot 0 of the player with 1 sponge named "&eSalto Epico 100" to close then run [make player execute command "/salto"]
    format slot 1 of the player with 1 sugar named "&eVelocidad Epica 100" to close then run [make player execute command "/velocidad"]
#Salto epico
command /salto:
    permission: user.lobby
    trigger:
        if player's money is more than or equal to 100:
            subtract 100 from player's money
            give 1 sponge named "&aSalto &bEpico" to the player
        else:
            send "&c&lLosiento No tienes dinero."
            send "&bPero En la tienda Podras comprarlo o ganalo votando en el lobby"
command /velocidad:
    permission: user.lobby
    trigger:
        if player's money is more than or equal to 100:
            subtract 100 from player's money
            give 1 sugar named "&aVelocidad &bEpica" to the player
        else:
            send "&c&lLosiento No tienes dinero."
            send "&bPero En la tienda Podras comprarlo o ganalo votando en el lobby"
on rightclick holding a sponge:
    player has permission "user.lobby"
    player is in world "Lobby"
    apply jump boost 8 to the player for 10 second
    send "&9Salto epico 10 segundos"
    remove 1 sponge from the player
    give 30 gray dye to the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    give 1 sponge to the player
#Velocidad
on rightclick holding a sugar:
    player has permission "user.lobby"
    player is in world "Lobby"
    apply speed 8 to the player for 10 second
    send "&9rapides epica 10 segundos"
    remove 1 sugar from the player
    give 30 gray dye to the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    remove 1 gray dye from the player
    wait 1 second
    give 1 sugar to the player

 

[Deleted member 5254]

I Will fix iT but i have No time now i Will do it in About 10,5 Hours from now or someone Else fix it

 

[Deleted member 5254]

https://hastebin.com/jewanovijo.sql
here it is!
PD: not tested