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resources/[carscripts]/qb-vehicle-tracker/server/server.lua

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+local QBCore = exports['qb-core']:GetCoreObject()
+local config = require 'config'
+local utils = require 'server.utils'
+local db = require 'server.db'
+
+-- QB Usable Items
+QBCore.Functions.CreateUseableItem(config.trackerItem, function(source, item)
+    TriggerClientEvent('qb_vehicle_tracker:client:placeTracker', source, item.slot, utils.getRandomSerialNumber())
+end)
+
+QBCore.Functions.CreateUseableItem(config.trackerTabletItem, function(source, item)
+    local serialNumber = item.info and item.info.serialNumber or item.metadata.serialNumber
+    TriggerClientEvent('qb_vehicle_tracker:client:manageTracker', source, serialNumber)
+end)
+
+QBCore.Functions.CreateUseableItem(config.trackerScannerItem, function(source, item)
+    TriggerClientEvent('qb_vehicle_tracker:client:scanTracker', source, item.slot)
+end)
+
+-- Event Handler
+AddEventHandler('onResourceStart', function(resourceName)
+    if cache.resource == resourceName then
+        db.deleteOldTrackers()
+    end
+end)
+
+-- Callbacks
+lib.callback.register('qb_vehicle_tracker:getTrackedVehicleBySerial', function(_, serialNumber)
+    if type(serialNumber) ~= "string" or string.len(serialNumber) < 11 then return end
+
+    local tracker = db.getTracker(serialNumber)
+    if not tracker then return end
+
+    local vehicleNetworkID = utils.getVehicleNetworkIdByPlate(tracker.vehiclePlate)
+    if not vehicleNetworkID then return end
+
+    local vehicleEntity = NetworkGetEntityFromNetworkId(vehicleNetworkID)
+    if not DoesEntityExist(vehicleEntity) then return end
+
+    local vehCoords = GetEntityCoords(vehicleEntity)
+
+    return tracker.vehiclePlate, vector2(vehCoords.x, vehCoords.y)
+end)
+
+lib.callback.register('qb_vehicle_tracker:isVehicleTracked', function(source, vehiclePlate)
+    if type(vehiclePlate) ~= "string" or not utils.isPlayerNearVehicle(GetEntityCoords(GetPlayerPed(source)), vehiclePlate) then
+        return false
+    end
+
+    return db.isTracked(utils.trim(vehiclePlate))
+end)
+
+lib.callback.register('qb_vehicle_tracker:placeTracker', function(source, vehiclePlate, slot, serialNumber)
+    if type(vehiclePlate) ~= "string" or type(serialNumber) ~= "string" or string.len(serialNumber) < 11 then return false end
+    if not utils.isPlayerNearVehicle(GetEntityCoords(GetPlayerPed(source)), vehiclePlate) then return false end
+    if not db.addTracker(serialNumber, utils.trim(vehiclePlate)) then return false end
+
+    local Player = QBCore.Functions.GetPlayer(source)
+    if Player.Functions.AddItem(config.trackerTabletItem, 1, false, { plate = utils.trim(vehiclePlate), serialNumber = serialNumber }) then
+        Player.Functions.RemoveItem(config.trackerItem, 1, slot)
+        TriggerClientEvent('inventory:client:ItemBox', source, QBCore.Shared.Items[config.trackerTabletItem], 'add')
+    end
+
+    return true
+end)
+
+lib.callback.register('qb_vehicle_tracker:removeTracker', function(source, vehiclePlate, slot)
+    if type(vehiclePlate) ~= "string" or not utils.isPlayerNearVehicle(GetEntityCoords(GetPlayerPed(source)), vehiclePlate) then
+        return false
+    end
+
+    if not db.deleteTracker(utils.trim(vehiclePlate)) then return false end
+
+    local Player = QBCore.Functions.GetPlayer(source)
+    if Player.Functions.RemoveItem(config.trackerScannerItem, 1, slot) then
+        TriggerClientEvent('inventory:client:ItemBox', source, QBCore.Shared.Items[config.trackerScannerItem], 'remove')
+    end
+
+    return true
+end)