import express from "express"; import fetch from "node-fetch"; import cors from "cors"; import "dotenv/config"; const { CLIENT_ID, APP_SECRET } = process.env; const app = express(); const base = "https://api-m.sandbox.paypal.com"; app.use(cors({origin: '*'})); const generateAccessToken = async () => { try { const auth = Buffer.from(CLIENT_ID + ":" + APP_SECRET).toString("base64"); const response = await fetch(`${base}/v1/oauth2/token`, { method: "post", body: "grant_type=client_credentials", headers: { Authorization: `Basic ${auth}`, }, }); const data = await response.json(); return data.access_token; } catch(error) { console.error("Failed to generate Access Token:", error); } }; const createOrder = async () => { const accessToken = await generateAccessToken(); const url = `${base}/v2/checkout/orders`; const payload = { intent: "CAPTURE", purchase_units: [ { amount: { currency_code: "USD", value: "0.02", }, }, ], }; const response = await fetch(url, { headers: { "Content-Type": "application/json", Authorization: `Bearer ${accessToken}∫`, }, method: "POST", body: JSON.stringify(payload), }); return handleResponse(response); }; const capturePayment = async (orderID) => { const accessToken = await generateAccessToken(); const url = `${base}/v2/checkout/orders/\${orderID}/capture`; const response = await fetch(url, { method: "post", headers: { "Content-Type": "application/json", Authorization: `Bearer ${accessToken}∫`, } }); return handleResponse(response); }; async function handleResponse(response) { if (response.status === 200 || response.status === 201) { return response.json(); } const errorMessage = await response.text(); throw new Error(errorMessage); } app.post("/orders", async (req, res) => { try{ const response = await createOrder(); res.json(response); } catch(error) { console.error("Failed to create order:", error); res.status(500).json({ error: "Failed to create order." }); } }); app.post("/orders/:orderID/capture", async (req, res) => { try { const { orderID } = req.params; const response = await capturePayment(orderID); res.json(response); } catch (error){ console.error("Failed to create order:", error); res.status(500).json({ error: "Failed to capture order." }); } }); app.listen(9597, () => { console.log("listening on http://localhost:9597/"); });