Merge feat/payu-pse-pago into main

workloads/ecommerce/app/api/cart/complete/route.ts

@@ -0,0 +1,14 @@
+import { completeCart } from "@/lib/headless/providers/medusa-payment";
+
+export async function POST(request: Request) {
+  const { cartId } = await request.json();
+  if (!cartId) {
+    return Response.json({ error: "Falta cartId" }, { status: 400 });
+  }
+  try {
+    await completeCart(cartId);
+    return Response.json({ ok: true });
+  } catch (error) {
+    return Response.json({ error: (error as Error).message }, { status: 502 });
+  }
+}

workloads/ecommerce/app/api/cart/payment/banks/route.ts

@@ -0,0 +1,10 @@
+import { getPseBanks } from "@/lib/headless/providers/medusa-payment";
+
+export async function GET() {
+  try {
+    const banks = await getPseBanks();
+    return Response.json({ banks });
+  } catch (error) {
+    return Response.json({ error: (error as Error).message }, { status: 502 });
+  }
+}

workloads/ecommerce/app/api/cart/payment/session/route.ts

@@ -0,0 +1,15 @@
+import { createPaymentCollection, createPsePaymentSession } from "@/lib/headless/providers/medusa-payment";
+
+export async function POST(request: Request) {
+  const { cartId, ...pse } = await request.json();
+  if (!cartId || !pse.bankCode || !pse.docNumber || !pse.fullName || !pse.email || !pse.phone) {
+    return Response.json({ error: "Faltan campos obligatorios para el pago con PSE" }, { status: 400 });
+  }
+  try {
+    const paymentCollectionId = await createPaymentCollection(cartId);
+    const bankUrl = await createPsePaymentSession(paymentCollectionId, pse);
+    return Response.json({ bankUrl });
+  } catch (error) {
+    return Response.json({ error: (error as Error).message }, { status: 502 });
+  }
+}

workloads/ecommerce/app/checkout/pse/return/page.tsx

@@ -0,0 +1,10 @@
+import { Suspense } from "react";
+import { PseReturnClient } from "@/components/checkout/pse-return-client";
+
+export default function PseReturnPage() {
+  return (
+    <Suspense fallback={null}>
+      <PseReturnClient />
+    </Suspense>
+  );
+}

workloads/ecommerce/commerce/configmap.yaml

@@ -24,3 +24,11 @@ data:
   # env var del plugin, no del servidor Meilisearch en si -- ver
   # MEILI_MASTER_KEY en secrets.template.yaml).
   MEILISEARCH_HOST: http://meilisearch-svc:7700
+
+  # PayU LatAm (ADR 0009) -- solo URLs/config no sensible, credenciales
+  # reales (apiLogin/apiKey/merchantId/accountId) van en
+  # secrets.template.yaml. PAYU_ENV=sandbox hasta que haya credenciales
+  # de produccion reales.
+  PAYU_ENV: sandbox
+  PAYU_RESPONSE_URL: https://shop.cruzcloud.net/checkout/pse/return
+  PAYU_NOTIFY_URL: https://commerce.cruzcloud.net/hooks/payment/payu_pse

workloads/ecommerce/commerce/secrets.template.yaml

@@ -35,6 +35,15 @@ stringData:
   # commerce-storefront: el subscriber de Medusa lo envía como header
   # x-revalidate-secret al invocar POST /api/revalidate en el storefront.
   REVALIDATE_SECRET: CAMBIAR
+
+  # PayU LatAm (ADR 0009) -- credenciales del comercio. Mientras no exista
+  # cuenta real, usar las de sandbox genéricas y públicas de PayU
+  # (developers.payulatam.com/latam/en/docs/getting-started/test-your-solution.html),
+  # nunca hardcodeadas acá.
+  PAYU_API_LOGIN: CAMBIAR
+  PAYU_API_KEY: CAMBIAR
+  PAYU_MERCHANT_ID: CAMBIAR
+  PAYU_ACCOUNT_ID: CAMBIAR
 ---
 apiVersion: v1
 kind: Secret

workloads/ecommerce/components/checkout/checkout-client.tsx

@@ -2,7 +2,7 @@
 
 import Image from "next/image";
 import Link from "next/link";
-import { ArrowLeft, MapPin, MessageCircle, Truck } from "lucide-react";
+import { ArrowLeft, Landmark, MapPin, MessageCircle, Truck } from "lucide-react";
 import { type FormEvent, useState } from "react";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -13,11 +13,12 @@ import { useCartStore } from "@/store/cart-store";
 const SELECT_CLASS =
   "h-12 w-full rounded-full border border-slate-200 bg-white px-5 text-sm text-slate-950 outline-none transition focus:border-cyan-500 focus:ring-4 focus:ring-cyan-300/30 disabled:opacity-50";
 
-// ADR 0009, siguiente corte tras el carrito real: direccion + seleccion de
-// envio contra el Store API real (mismos endpoints ya verificados en vivo
-// para las shipping options). El pago (PayU custom) todavia no existe --
-// el ultimo paso sigue siendo WhatsApp, ahora con el pedido completo
-// (direccion, envio, total real) en vez de solo la lista de productos.
+// ADR 0009: direccion + envio + pago real, todo contra el Store API real.
+// El pago es PayU LatAm/PSE (modulo custom del backend, ver
+// workloads/commerce-backend/src/modules/payu-pse) -- redirige al banco
+// del comprador, la confirmacion real llega despues via webhook async
+// (nunca por esta pantalla). WhatsApp queda como respaldo manual si la
+// iniciacion del pago falla, ya no como camino principal.
 
 interface ShippingOption {
   id: string;
@@ -25,7 +26,12 @@ interface ShippingOption {
   amount: number;
 }
 
-type Step = "address" | "shipping" | "review";
+interface PseBank {
+  pseCode: string;
+  description: string;
+}
+
+type Step = "address" | "shipping" | "payment";
 
 async function postJson(url: string, body: unknown) {
   const response = await fetch(url, {
@@ -60,6 +66,11 @@ export function CheckoutClient() {
   const [total, setTotal] = useState(0);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState<string | null>(null);
+  const [banks, setBanks] = useState<PseBank[]>([]);
+  const [bankCode, setBankCode] = useState("");
+  const [userType, setUserType] = useState<"N" | "J">("N");
+  const [docType, setDocType] = useState<"CC" | "CE" | "NIT" | "TI" | "PP">("CC");
+  const [docNumber, setDocNumber] = useState("");
 
   const itemsSubtotal = items.reduce((sum, item) => sum + (item.product.price ?? 0) * item.quantity, 0);
   const currency = items[0]?.product.currency;
@@ -103,7 +114,12 @@ export function CheckoutClient() {
       if (cart.error) throw new Error(cart.error);
       setShippingTotal(cart.shippingTotal ?? 0);
       setTotal(cart.total ?? itemsSubtotal);
-      setStep("review");
+      const banksResponse = await fetch("/api/cart/payment/banks");
+      const banksData = await banksResponse.json();
+      const bankList: PseBank[] = banksData.banks ?? [];
+      setBanks(bankList);
+      setBankCode(bankList[0]?.pseCode ?? "");
+      setStep("payment");
     } catch (submitError) {
       setError((submitError as Error).message);
     } finally {
@@ -111,6 +127,38 @@ export function CheckoutClient() {
     }
   }
 
+  async function submitPayment(event: FormEvent) {
+    event.preventDefault();
+    if (!cartId || !bankCode || !docNumber || !selectedCiudad || !selectedDepartamento) return;
+    setLoading(true);
+    setError(null);
+    try {
+      const session = await postJson("/api/cart/payment/session", {
+        cartId,
+        bankCode,
+        userType,
+        docType,
+        docNumber,
+        fullName: `${form.firstName} ${form.lastName}`.trim(),
+        email: form.email,
+        phone: form.phone,
+        address: form.address1,
+        city: selectedCiudad.name,
+        state: selectedDepartamento.name,
+      });
+      if (session.error) throw new Error(session.error);
+      const completion = await postJson("/api/cart/complete", { cartId });
+      if (completion.error) throw new Error(completion.error);
+      // Navegacion completa, no iframe -- asi lo exige PayU para el
+      // flujo de PSE. La confirmacion real llega despues via webhook,
+      // esta pagina nunca vuelve a cargar sola.
+      window.location.href = session.bankUrl;
+    } catch (submitError) {
+      setError((submitError as Error).message);
+      setLoading(false);
+    }
+  }
+
   function continueOnWhatsApp() {
     const lines = items.map((item) => `• ${item.quantity} x ${item.product.name}`).join("\n");
     const message = `Hola Ari Shopping 👋\nQuiero confirmar mi pedido:\n\n${lines}\n\nSubtotal: ${formatMoney(itemsSubtotal, currency)}\nEnvío: ${formatMoney(shippingTotal, currency)}\nTotal: ${formatMoney(total, currency)}\n\nNombre: ${form.firstName} ${form.lastName}\nDirección: ${form.address1}, ${selectedCiudad?.name ?? ""}${selectedDepartamento ? `, ${selectedDepartamento.name}` : ""}\nTeléfono: ${form.phone}`;
@@ -192,17 +240,55 @@ export function CheckoutClient() {
           </div>
         )}
 
-        {step === "review" && (
-          <div className="mt-8 space-y-4">
+        {step === "payment" && (
+          <form onSubmit={submitPayment} className="mt-8 space-y-4">
             <div className="rounded-2xl border border-slate-200 p-5">
               <p className="text-xs font-black uppercase tracking-wide text-slate-400">Entrega</p>
               <p className="mt-1 font-bold">{form.firstName} {form.lastName}</p>
               <p className="text-sm text-slate-500">{form.address1}, {selectedCiudad?.name}{selectedDepartamento ? `, ${selectedDepartamento.name}` : ""}</p>
               <p className="text-sm text-slate-500">{form.phone}</p>
             </div>
-            <p className="text-sm text-slate-500">El pago en línea todavía no está disponible — confirmamos tu pedido por WhatsApp con estos datos.</p>
-            <Button variant="primary" size="lg" className="w-full" onClick={continueOnWhatsApp}><MessageCircle className="size-5" />Confirmar por WhatsApp</Button>
-          </div>
+
+            <p className="flex items-center gap-2 text-sm font-bold text-slate-700"><Landmark className="size-4" />Paga con PSE (transferencia desde tu banco)</p>
+
+            {banks.length > 0 ? (
+              <select required value={bankCode} onChange={(event) => setBankCode(event.target.value)} className={SELECT_CLASS}>
+                {banks.map((bank) => <option key={bank.pseCode} value={bank.pseCode}>{bank.description}</option>)}
+              </select>
+            ) : (
+              <p className="rounded-2xl bg-yellow-50 p-3 text-xs font-bold leading-5 text-yellow-800">No pudimos cargar la lista de bancos — probá de nuevo en un momento, o confirmá tu pedido por WhatsApp abajo.</p>
+            )}
+
+            <div className="flex gap-4 text-sm font-bold">
+              <label className="flex items-center gap-2"><input type="radio" name="userType" checked={userType === "N"} onChange={() => setUserType("N")} />Persona natural</label>
+              <label className="flex items-center gap-2"><input type="radio" name="userType" checked={userType === "J"} onChange={() => setUserType("J")} />Persona jurídica</label>
+            </div>
+
+            <div className="grid gap-4 sm:grid-cols-2">
+              <select
+                required
+                value={docType}
+                onChange={(event) => setDocType(event.target.value as typeof docType)}
+                className={SELECT_CLASS}
+              >
+                <option value="CC">Cédula de ciudadanía</option>
+                <option value="CE">Cédula de extranjería</option>
+                <option value="TI">Tarjeta de identidad</option>
+                <option value="PP">Pasaporte</option>
+                <option value="NIT">NIT</option>
+              </select>
+              <Input placeholder="Número de documento" required value={docNumber} onChange={(event) => setDocNumber(event.target.value)} />
+            </div>
+
+            {error && <p className="text-sm font-bold text-rose-600">{error}</p>}
+
+            <Button type="submit" variant="primary" size="lg" className="w-full" disabled={loading || banks.length === 0}>{loading ? "Redirigiendo a tu banco…" : "Pagar con PSE"}</Button>
+
+            <div className="flex items-center gap-3 text-xs font-bold uppercase tracking-wide text-slate-400">
+              <span className="h-px flex-1 bg-slate-200" />¿Prefieres otra vía?<span className="h-px flex-1 bg-slate-200" />
+            </div>
+            <Button type="button" variant="outline" size="lg" className="w-full" onClick={continueOnWhatsApp}><MessageCircle className="size-5" />Confirmar por WhatsApp</Button>
+          </form>
         )}
       </div>
 
@@ -219,8 +305,8 @@ export function CheckoutClient() {
         </div>
         <div className="mt-5 space-y-2 border-t border-slate-100 pt-4 text-sm">
           <div className="flex justify-between"><span className="text-slate-500">Subtotal</span><span className="font-bold">{formatMoney(itemsSubtotal, currency)}</span></div>
-          {step === "review" && <div className="flex justify-between"><span className="text-slate-500">Envío</span><span className="font-bold">{formatMoney(shippingTotal, currency)}</span></div>}
-          <div className="flex justify-between text-base"><span className="font-black">Total</span><span className="font-black">{formatMoney(step === "review" ? total : itemsSubtotal, currency)}</span></div>
+          {step === "payment" && <div className="flex justify-between"><span className="text-slate-500">Envío</span><span className="font-bold">{formatMoney(shippingTotal, currency)}</span></div>}
+          <div className="flex justify-between text-base"><span className="font-black">Total</span><span className="font-black">{formatMoney(step === "payment" ? total : itemsSubtotal, currency)}</span></div>
         </div>
       </div>
     </div>

workloads/ecommerce/components/checkout/pse-return-client.tsx

@@ -0,0 +1,38 @@
+"use client";
+
+import Link from "next/link";
+import { Clock } from "lucide-react";
+import { useSearchParams } from "next/navigation";
+import { Button } from "@/components/ui/button";
+
+// PayU redirige aca despues de que el comprador paga en su banco -- esto
+// NO confirma el pago. Los parametros de esta URL son solo informativos;
+// el estado real y definitivo llega por el webhook async de PayU al
+// backend (getWebhookActionAndData en el modulo payu-pse), nunca por
+// esta pantalla. Por eso el mensaje nunca afirma exito, solo que
+// estamos esperando la confirmacion.
+export function PseReturnClient() {
+  const searchParams = useSearchParams();
+  const referenceCode = searchParams.get("referenceCode") ?? searchParams.get("reference_sale");
+
+  return (
+    <div className="mx-auto max-w-lg px-4 py-24 text-center">
+      <Clock className="mx-auto size-12 text-ari-marino" />
+      <h1 className="mt-6 text-2xl font-black">Estamos confirmando tu pago</h1>
+      <p className="mt-3 text-slate-500">
+        Tu banco ya procesó la transferencia. PayU nos avisa en unos minutos si quedó aprobada — te llegará la confirmación por correo.
+        {referenceCode && (
+          <>
+            {" "}Tu número de referencia es <strong>{referenceCode}</strong>.
+          </>
+        )}
+      </p>
+      <p className="mt-3 text-sm text-slate-400">
+        Si después de un rato no ves la confirmación, escribinos por WhatsApp con este número de referencia.
+      </p>
+      <Button asChild variant="primary" className="mt-8">
+        <Link href="/catalog">Volver al catálogo</Link>
+      </Button>
+    </div>
+  );
+}

workloads/ecommerce/lib/headless/providers/medusa-cart.ts

@@ -119,7 +119,9 @@ function mapCart(cart: MedusaCart): CartSummary {
   };
 }
 
-async function medusaCartFetch(
+// Exportado para medusa-payment.ts (mismo backend, mismo criterio de
+// no-store/x-publishable-api-key -- evita duplicar el fetch helper).
+export async function medusaCartFetch(
   path: string,
   init?: { method?: string; body?: unknown },
 ): Promise<Record<string, unknown>> {

workloads/ecommerce/lib/headless/providers/medusa-payment.ts

@@ -0,0 +1,92 @@
+// ADR 0009: pago real via PayU LatAm (PSE), modulo custom del backend
+// (workloads/commerce-backend/src/modules/payu-pse). Archivo separado de
+// medusa-cart.ts por el mismo motivo que ese archivo esta separado de
+// medusa.ts -- reutiliza su mismo fetch helper (medusaCartFetch), no
+// duplica la logica de headers/no-store.
+import { medusaCartFetch } from "./medusa-cart";
+
+export interface PseBank {
+  pseCode: string;
+  description: string;
+}
+
+export type PseUserType = "N" | "J";
+export type PseDocType = "CC" | "CE" | "NIT" | "TI" | "PP";
+
+export interface PsePaymentInput {
+  bankCode: string;
+  userType: PseUserType;
+  docType: PseDocType;
+  docNumber: string;
+  fullName: string;
+  email: string;
+  phone: string;
+  address: string;
+  city: string;
+  state: string;
+}
+
+// "pp_{identifier}_{id}" -- convencion de Medusa, confirmada contra el
+// codigo fuente de @medusajs/payment (identifier "payu" + id "pse" en
+// medusa-config.ts).
+const PSE_PROVIDER_ID = "pp_payu_pse";
+
+export async function getPseBanks(): Promise<PseBank[]> {
+  const data = await medusaCartFetch("/store/payments/pse-banks");
+  const banks = (data.banks as Array<{ pseCode?: string; description?: string }> | undefined) ?? [];
+  return banks
+    .filter((bank): bank is { pseCode: string; description: string } => Boolean(bank.pseCode && bank.description))
+    .map((bank) => ({ pseCode: bank.pseCode, description: bank.description }));
+}
+
+export async function createPaymentCollection(cartId: string): Promise<string> {
+  const data = await medusaCartFetch("/store/payment-collections", {
+    method: "POST",
+    body: { cart_id: cartId },
+  });
+  const collection = data.payment_collection as { id: string };
+  return collection.id;
+}
+
+export async function createPsePaymentSession(paymentCollectionId: string, input: PsePaymentInput): Promise<string> {
+  const data = await medusaCartFetch(`/store/payment-collections/${paymentCollectionId}/payment-sessions`, {
+    method: "POST",
+    body: {
+      provider_id: PSE_PROVIDER_ID,
+      data: {
+        bank_code: input.bankCode,
+        user_type: input.userType,
+        doc_type: input.docType,
+        doc_number: input.docNumber,
+        full_name: input.fullName,
+        email: input.email,
+        phone: input.phone,
+        address: input.address,
+        city: input.city,
+        state: input.state,
+      },
+    },
+  });
+  const collection = data.payment_collection as {
+    payment_sessions?: Array<{ provider_id: string; data?: { bank_url?: string } }>;
+  };
+  const session = collection.payment_sessions?.find((paymentSession) => paymentSession.provider_id === PSE_PROVIDER_ID);
+  const bankUrl = session?.data?.bank_url;
+  if (!bankUrl) {
+    throw new Error("PayU no devolvió la URL del banco para completar el pago.");
+  }
+  return bankUrl;
+}
+
+// El carrito se completa (orden creada en estado "awaiting") ANTES de
+// redirigir al banco -- authorizePayment del modulo PSE devuelve
+// "pending_authorization" a proposito, que es justo el mecanismo de
+// Medusa para esto (ver AbstractPaymentProvider). La confirmacion real
+// llega despues via el webhook nativo de Medusa, no por esta llamada.
+export async function completeCart(cartId: string): Promise<void> {
+  const data = await medusaCartFetch(`/store/carts/${cartId}/complete`, { method: "POST" });
+  if (data.type === "cart") {
+    const error = (data as { error?: { message?: string } }).error;
+    throw new Error(error?.message || "No se pudo completar el pedido.");
+  }
+}