trptk/app/api/checkout/update/route.ts
2026-02-24 17:14:07 +01:00

53 lines
1.9 KiB
TypeScript

import { NextResponse } from "next/server";
import { updateCart } from "@/lib/medusa";
import { getAuthToken } from "@/lib/auth";
import { parseBody, isNonEmptyString, isValidEmail, isValidMedusaId, badRequest, checkCsrf, pickAddressFields } from "@/lib/apiUtils";
// POST /api/checkout/update — update cart with email + addresses
export async function POST(request: Request) {
const csrfError = await checkCsrf();
if (csrfError) return csrfError;
const body = await parseBody<{
cartId?: unknown;
email?: unknown;
shipping_address?: unknown;
billing_address?: unknown;
}>(request);
if (!body) return badRequest("Invalid request body");
const { cartId, email, shipping_address, billing_address } = body;
if (!isNonEmptyString(cartId)) {
return badRequest("Missing cartId");
}
if (!isValidMedusaId(cartId)) {
return badRequest("Invalid cart ID format");
}
if (email !== undefined && !isValidEmail(email)) {
return badRequest("Invalid email address");
}
// Sanitize address fields to prevent mass assignment
const sanitizedShipping = shipping_address ? pickAddressFields(shipping_address) : undefined;
const sanitizedBilling = billing_address ? pickAddressFields(billing_address) : undefined;
// Pass auth token so Medusa associates the cart with the logged-in customer
const authToken = (await getAuthToken()) ?? undefined;
try {
const cart = await updateCart(
cartId,
{
email: typeof email === "string" ? email.trim().toLowerCase() : undefined,
shipping_address: sanitizedShipping as Parameters<typeof updateCart>[1]["shipping_address"],
billing_address: sanitizedBilling as Parameters<typeof updateCart>[1]["billing_address"],
},
authToken,
);
return NextResponse.json(cart);
} catch (e) {
console.error("[checkout:update]", (e as Error).message);
return NextResponse.json({ error: "Failed to update cart" }, { status: 500 });
}
}