Real-Time Fleet Tracking

import os, time, requests

API_BASE = "https://api.telemax.com.au"
API_KEY  = os.environ["TELEMAX_API_KEY"]
COMPANY_ID = 85
POLL_INTERVAL = 30  # seconds

_token = None
_token_expires_at = 0

def get_token():
    global _token, _token_expires_at
    if _token and time.time() < _token_expires_at - 300:
        return _token
    r = requests.post(
        f"{API_BASE}/api/Authentication/token/api-key",
        data={"apiKey": API_KEY},
    )
    r.raise_for_status()
    d = r.json()
    _token = d["access_token"]
    _token_expires_at = time.time() + d["expires_in"]
    return _token

def fetch_fleet():
    headers = {"Authorization": f"Bearer {get_token()}"}
    r = requests.post(
        f"{API_BASE}/api/GetAllLastPositionData/{COMPANY_ID}",
        params={"checkVehicleHandlerState": "true"},
        headers=headers,
    )
    r.raise_for_status()
    return r.json()

while True:
    try:
        vehicles = fetch_fleet()
        print(f"\n{'Name':<25} {'Lat':>10} {'Lng':>11} {'km/h':>6} {'Ign'}")
        for v in vehicles:
            print(f"{v['DeviceName']:<25} {v['Lat']:>10.5f} {v['Lng']:>11.5f} "
                  f"{v['Speed']:>6.1f} {'ON' if v['Ignition'] else 'off'}")
    except Exception as e:
        print(f"Error: {e}")
    time.sleep(POLL_INTERVAL)

const API_BASE = "https://api.telemax.com.au";
let token = null;
let tokenExpiresAt = 0;
const markers = {};

async function getToken() {
  if (token && Date.now() < tokenExpiresAt - 300_000) return token;
  const res = await fetch(`${API_BASE}/api/Authentication/token/api-key`, {
    method: "POST",
    headers: { "Content-Type": "application/x-www-form-urlencoded" },
    body: new URLSearchParams({ apiKey: "YOUR_API_KEY" }),
  });
  const { access_token, expires_in } = await res.json();
  token = access_token;
  tokenExpiresAt = Date.now() + expires_in * 1000;
  return token;
}

// Assumes Leaflet map already initialised as `map`
async function updateFleet() {
  const res = await fetch(
    `${API_BASE}/api/GetAllLastPositionData/85?checkVehicleHandlerState=true`,
    { method: "POST", headers: { Authorization: `Bearer ${await getToken()}` } },
  );
  const vehicles = await res.json();

  for (const v of vehicles) {
    const latlng = [v.Lat, v.Lng];
    const label  = `${v.DeviceName} — ${v.Speed} km/h`;
    if (markers[v.DeviceId]) {
      markers[v.DeviceId].setLatLng(latlng).setTooltipContent(label);
    } else {
      markers[v.DeviceId] = L.marker(latlng)
        .bindTooltip(label)
        .addTo(map);
    }
  }
}

// Initial load then poll every 30 s
updateFleet();
setInterval(updateFleet, 30_000);