Main/resources/[freizeit]/[gym]/dynyx-gym/server/main.lua

local QBCore = exports['qb-core']:GetCoreObject()

function Notify(source, text, status)
    if Config.Notifications == "ox" then
        TriggerClientEvent('ox_lib:notify', source, {
            title = 'GYM',
            description = text,
            type = status
        })
    elseif Config.Notifications == "qb" then
        TriggerClientEvent('QBCore:Notify', source, text, status)
    else
        print("Config.Notifications is invalid.")
    end
end

-- Check if TGIANN inventory is available
local function isTGIANNAvailable()
    local available = false
    pcall(function()
        available = exports["tgiann-inventory"] ~= nil
    end)
    return available
end

RegisterServerEvent('dynyx_gym:BuyGymM', function()
    local src = source
    if Config.Inventory == 'qb' then
        local Player = QBCore.Functions.GetPlayer(src)
        local cashcurr = Player.Functions.GetMoney('cash')

        if cashcurr >= Config.GymPassPrice then
            Player.Functions.RemoveMoney('cash', Config.GymPassPrice)
            Player.Functions.AddItem(Config.GymPassItem, 1)
            TriggerClientEvent('inventory:client:ItemBox', src, QBCore.Shared.Items[Config.GymPassItem], "add")
        else
            Notify(src, 'Not Enough Money', 'error')
        end
    elseif Config.Inventory == 'ox' then
        local item = exports.ox_inventory:GetItem(src, "money")
        
        if item.count >= Config.GymPassPrice then
            exports.ox_inventory:RemoveItem(src, "money", Config.GymPassPrice)
            exports.ox_inventory:AddItem(src, Config.GymPassItem, 1)
        else
            Notify(src, 'Not Enough Money', 'error')
        end
    elseif Config.Inventory == 'tgiann' then
        if isTGIANNAvailable() then
            local money = exports["tgiann-inventory"]:GetItemByName(src, "money")
            
            if money and money.amount >= Config.GymPassPrice then
                local success = exports["tgiann-inventory"]:RemoveItem(src, "money", Config.GymPassPrice)
                if success then
                    exports["tgiann-inventory"]:AddItem(src, Config.GymPassItem, 1)
                    Notify(src, 'You purchased a gym membership!', 'success')
                else
                    Notify(src, 'Transaction Failed', 'error')
                end
            else
                Notify(src, 'Not Enough Money', 'error')
            end
        else
            print("TGIANN Inventory not available but configured to be used!")
            Notify(src, 'System Error', 'error')
        end
    else
        print("Invalid Config.Inventory setting: " .. Config.Inventory)
        Notify(src, 'System Error', 'error')
    end
end)

-- Server-side function to check if player has an item
RegisterNetEvent('dynyx_gym:server:CheckItem', function(item)
    local src = source
    local hasItem = false
    
    if Config.Inventory == 'qb' then
        local Player = QBCore.Functions.GetPlayer(src)
        hasItem = Player.Functions.HasItem(item)
    elseif Config.Inventory == 'ox' then
        local count = exports.ox_inventory:GetItem(src, item, nil, true)
        hasItem = count > 0
    elseif Config.Inventory == 'tgiann' then
        if isTGIANNAvailable() then
            hasItem = exports["tgiann-inventory"]:HasItem(src, item, 1)
        else
            print("TGIANN Inventory not available but configured to be used!")
        end
    end
    
    TriggerClientEvent('dynyx_gym:client:ItemCheckResult', src, hasItem)
end)