Créer un lien de paiement

import express from "express";

const app = express();
app.use(express.json());

const DJONANKO_API = "https://apidjonanko.tech";

app.post("/checkout", async (req, res) => {
  const order = await createOrder(req.body); // votre logique métier

  const response = await fetch(`${DJONANKO_API}/web-merchant/create-web-payment-link`, {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "x-api-key": process.env.DJONANKO_API_KEY,
      "x-api-secret": process.env.DJONANKO_API_SECRET,
    },
    body: JSON.stringify({
      amount: order.total,
      merchant_reference: process.env.DJONANKO_MERCHANT_REFERENCE,
      return_url: `https://example.com/orders/${order.id}/success`,
      cancel_url: `https://example.com/orders/${order.id}/cancel`,
      metadata: {
        order_id: order.id,
        email: order.customerEmail,
        phoneNumber: order.customerPhone,
      },
    }),
  });

  if (!response.ok) {
    const error = await response.json();
    console.error("Djonanko error", error);
    return res.status(502).json({ error: "Paiement indisponible" });
  }

  const { paymentLink } = await response.json();

  // Conservez la référence AVANT de rediriger
  await savePaymentReference(order.id, paymentLink.reference);

  res.redirect(303, paymentLink.paymentUrl);
});

use Illuminate\Support\Facades\Http;

public function checkout(Request $request)
{
    $order = Order::create($request->validated());

    $response = Http::withHeaders([
        'x-api-key'    => config('services.djonanko.key'),
        'x-api-secret' => config('services.djonanko.secret'),
    ])->post('https://apidjonanko.tech/web-merchant/create-web-payment-link', [
        'amount'             => $order->total,
        'merchant_reference' => config('services.djonanko.reference'),
        'return_url'         => route('orders.success', $order),
        'cancel_url'         => route('orders.cancel', $order),
        'metadata'           => [
            'order_id'    => (string) $order->id,
            'email'       => $order->customer_email,
            'phoneNumber' => $order->customer_phone,
        ],
    ]);

    $response->throw();

    $order->update(['payment_reference' => $response['paymentLink']['reference']]);

    return redirect()->away($response['paymentLink']['paymentUrl']);
}

import os
import requests
from django.shortcuts import redirect

def checkout(request):
    order = create_order(request)

    response = requests.post(
        "https://apidjonanko.tech/web-merchant/create-web-payment-link",
        headers={
            "x-api-key": os.environ["DJONANKO_API_KEY"],
            "x-api-secret": os.environ["DJONANKO_API_SECRET"],
        },
        json={
            "amount": order.total,
            "merchant_reference": os.environ["DJONANKO_MERCHANT_REFERENCE"],
            "return_url": request.build_absolute_uri(f"/orders/{order.id}/success"),
            "cancel_url": request.build_absolute_uri(f"/orders/{order.id}/cancel"),
            "metadata": {"order_id": str(order.id), "email": order.email},
        },
        timeout=15,
    )
    response.raise_for_status()
    link = response.json()["paymentLink"]

    order.payment_reference = link["reference"]
    order.save()

    return redirect(link["paymentUrl"])