Exemple : matrice d’attribution

// Confie chaque commande en attente au livreur libre qui atteint le premier son point d’enlèvement.
// node dispatch.mjs   (NWAYS_API_KEY dans l’environnement)
const KEY = process.env.NWAYS_API_KEY
const MAX_MINUTES = 25 // n’envoyez pas un livreur plus loin que ça

const riders = [
  { id: 'rider-ade', at: { lat: 6.6018, lng: 3.3515 } }, // Ikeja, Allen Avenue
  { id: 'rider-bisi', at: { lat: 6.5005, lng: 3.3581 } }, // Surulere
  { id: 'rider-chidi', at: { lat: 6.4474, lng: 3.4733 } }, // Lekki Phase 1
]
const orders = [
  { id: 'order-1041', pickup: { lat: 6.5965, lng: 3.3421 } }, // Ikeja GRA
  { id: 'order-1042', pickup: { lat: 6.4413, lng: 3.4250 } }, // Victoria Island
  { id: 'order-1043', pickup: { lat: 6.5095, lng: 3.3711 } }, // Yaba
]

async function matrix(origins, destinations) {
  const res = await fetch('https://nways.ng/maps/v1/routes/matrix', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json', 'X-NWays-Api-Key': KEY },
    body: JSON.stringify({ origins, destinations, mode: 'dispatch' }),
  })
  const data = await res.json()
  if (!res.ok) throw new Error(`${res.status} ${data.error?.reason ?? ''}: ${data.error?.message ?? ''}`)
  return data.elements
}

const elements = await matrix(riders.map((r) => r.at), orders.map((o) => o.pickup))
const pairs = elements
  .filter((e) => e.status === 'OK' && e.durationS <= MAX_MINUTES * 60)
  .sort((a, b) => a.durationS - b.durationS)

const busy = new Set()
const done = new Set()
for (const e of pairs) {
  const rider = riders[e.originIndex]
  const order = orders[e.destinationIndex]
  if (busy.has(rider.id) || done.has(order.id)) continue
  busy.add(rider.id)
  done.add(order.id)
  console.log(`${order.id} → ${rider.id}: ${Math.round(e.durationS / 60)} min, ${(e.distanceM / 1000).toFixed(1)} km`)
}
for (const o of orders) if (!done.has(o.id)) console.log(`${o.id}: no free rider within ${MAX_MINUTES} min`)

"""Confie chaque commande en attente au livreur libre qui atteint le premier son point d’enlèvement.
python3 dispatch.py   (NWAYS_API_KEY dans l’environnement)"""
import json
import os
import urllib.error
import urllib.request

KEY = os.environ["NWAYS_API_KEY"]
MAX_MINUTES = 25  # n’envoyez pas un livreur plus loin que ça

riders = [
    {"id": "rider-ade", "at": {"lat": 6.6018, "lng": 3.3515}},  # Ikeja, Allen Avenue
    {"id": "rider-bisi", "at": {"lat": 6.5005, "lng": 3.3581}},  # Surulere
    {"id": "rider-chidi", "at": {"lat": 6.4474, "lng": 3.4733}},  # Lekki Phase 1
]
orders = [
    {"id": "order-1041", "pickup": {"lat": 6.5965, "lng": 3.3421}},  # Ikeja GRA
    {"id": "order-1042", "pickup": {"lat": 6.4413, "lng": 3.4250}},  # Victoria Island
    {"id": "order-1043", "pickup": {"lat": 6.5095, "lng": 3.3711}},  # Yaba
]


def matrix(origins, destinations):
    body = json.dumps({"origins": origins, "destinations": destinations, "mode": "dispatch"}).encode()
    req = urllib.request.Request(
        "https://nways.ng/maps/v1/routes/matrix",
        data=body,
        headers={"Content-Type": "application/json", "X-NWays-Api-Key": KEY},
        method="POST",
    )
    try:
        with urllib.request.urlopen(req, timeout=20) as res:
            return json.load(res)["elements"]
    except urllib.error.HTTPError as e:
        err = json.load(e).get("error", {})
        raise SystemExit(f"{e.code} {err.get('reason')}: {err.get('message')}")


elements = matrix([r["at"] for r in riders], [o["pickup"] for o in orders])
pairs = sorted(
    (e for e in elements if e["status"] == "OK" and e["durationS"] <= MAX_MINUTES * 60),
    key=lambda e: e["durationS"],
)

busy, done = set(), set()
for e in pairs:
    rider, order = riders[e["originIndex"]], orders[e["destinationIndex"]]
    if rider["id"] in busy or order["id"] in done:
        continue
    busy.add(rider["id"])
    done.add(order["id"])
    print(f"{order['id']} -> {rider['id']}: {round(e['durationS'] / 60)} min, {e['distanceM'] / 1000:.1f} km")
for o in orders:
    if o["id"] not in done:
        print(f"{o['id']}: no free rider within {MAX_MINUTES} min")