esx_core-esx-framework/server/main.lua

local PlayersWorking = {}
local Players = {}

ESX = nil
TriggerEvent('esx:getSharedObject', function(obj) ESX = obj end)

AddEventHandler('esx:playerLoaded', function(source)
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)
	xPlayer.set('caution', 0)
end)

AddEventHandler('esx:playerDropped', function(source)
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)
	local caution = xPlayer.get('caution')
	TriggerEvent('esx_addonaccount:getAccount', 'caution', xPlayer.identifier, function(account)
		account.addMoney(caution)
	end)
end)

RegisterServerEvent('esx_jobs:setCautionInCaseOfDrop')
AddEventHandler('esx_jobs:setCautionInCaseOfDrop', function(caution)
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)
	xPlayer.set('caution', caution)
end)

RegisterServerEvent('esx_jobs:giveBackCautionInCaseOfDrop')
AddEventHandler('esx_jobs:giveBackCautionInCaseOfDrop', function()
	local _source = source
	local xPlayer = ESX.GetPlayerFromId(_source)

	TriggerEvent('esx_addonaccount:getAccount', 'caution', xPlayer.identifier, function(account)
		local caution = account.money
		account.removeMoney(caution)
		if caution > 0 then
			xPlayer.addAccountMoney('bank', caution)
			TriggerClientEvent('esx:showNotification', _source, _U('bank_deposit_returned', caution))
		end
	end)
end)

local function Work(source, item)

	SetTimeout(item[1].time, function()

		if PlayersWorking[source] == true then

			local xPlayer = ESX.GetPlayerFromId(source)
			if xPlayer == nil then
				return
			end

			for i=1, #item, 1 do
				local itemQtty = 0
				if item[i].name ~= _U('delivery') then
					itemQtty = xPlayer.getInventoryItem(item[i].db_name).count
				end

				local requiredItemQtty = 0
				if item[1].requires ~= "nothing" then
					requiredItemQtty = xPlayer.getInventoryItem(item[1].requires).count
				end

				if item[i].name ~= _U('delivery') and itemQtty >= item[i].max then
					TriggerClientEvent('esx:showNotification', source, _U('max_limit', item[i].name))
				elseif item[i].requires ~= "nothing" and requiredItemQtty <= 0 then
					TriggerClientEvent('esx:showNotification', source, _U('not_enough', item[1].requires_name))
				else
					if item[i].name ~= _U('delivery') then
						-- Chances to drop the item
						if item[i].drop == 100 then
							xPlayer.addInventoryItem(item[i].db_name, item[i].add)
						else
							local chanceToDrop = math.random(100)
							if chanceToDrop <= item[i].drop then
								xPlayer.addInventoryItem(item[i].db_name, item[i].add)
							end
						end
					else
						xPlayer.addMoney(item[i].price)
					end
				end
			end

			if item[1].requires ~= "nothing" then
				local itemToRemoveQtty = xPlayer.getInventoryItem(item[1].requires).count
				if itemToRemoveQtty > 0 then
					xPlayer.removeInventoryItem(item[1].requires, item[1].remove)
				end
			end

			Work(source, item)

		end
	end)
end

RegisterServerEvent('esx_jobs:startWork')
AddEventHandler('esx_jobs:startWork', function(item)
	PlayersWorking[source] = true
	Work(source, item)
end)

RegisterServerEvent('esx_jobs:stopWork')
AddEventHandler('esx_jobs:stopWork', function()
	PlayersWorking[source] = false
end)

RegisterServerEvent('esx_jobs:caution')
AddEventHandler('esx_jobs:caution', function(cautionType, cautionAmount, spawnPoint, vehicle)
	local xPlayer = ESX.GetPlayerFromId(source)

	if cautionType == "take" then
		xPlayer.removeAccountMoney('bank', cautionAmount)
		xPlayer.set('caution', cautionAmount)
		TriggerClientEvent('esx:showNotification', source, _U('bank_deposit_taken', cautionAmount))
		TriggerClientEvent('esx_jobs:spawnJobVehicle', source, spawnPoint, vehicle)
	elseif cautionType == "give_back" then
		xPlayer.addAccountMoney('bank', cautionAmount)
		xPlayer.set('caution', 0)
		TriggerClientEvent('esx:showNotification', source, _U('bank_deposit_returned', cautionAmount))
	end
end)