add profile actors

internal/ucp/handler.go

@@ -73,6 +73,30 @@ func CheckoutHandler(applier CheckoutApplier, orderSvc ...OrderApplier) http.Han
 	return withUCPAgent(withJSONContentType(mux))
 }
 
+// ---------------------------------------------------------------------------
+// Customer HTTP handler mounting
+// ---------------------------------------------------------------------------
+
+// CustomerHandler returns an http.Handler that routes UCP customer/profile
+// REST endpoints. Mount it under any prefix (e.g. /ucp/v1) in a ServeMux:
+//
+//	mux.Handle("/ucp/v1/customers", ucp.CustomerHandler(pool))
+//	mux.Handle("/ucp/v1/customers/", ucp.CustomerHandler(pool))
+//
+// To sign responses with RFC 9421 HTTP Message Signatures, wrap with WithSigning:
+//
+//	mux.Handle("/ucp/v1/customers", ucp.WithSigning(ucp.CustomerHandler(pool), signer))
+func CustomerHandler(applier ProfileApplier) http.Handler {
+	s := NewCustomerServer(applier)
+	mux := http.NewServeMux()
+	mux.HandleFunc("GET /{id}", s.handleGetCustomer)
+	mux.HandleFunc("PUT /{id}", s.handleUpdateCustomer)
+	mux.HandleFunc("POST /{id}/addresses", s.handleAddAddress)
+	mux.HandleFunc("PUT /{id}/addresses/{addressId}", s.handleUpdateAddress)
+	mux.HandleFunc("DELETE /{id}/addresses/{addressId}", s.handleRemoveAddress)
+	return withUCPAgent(withJSONContentType(mux))
+}
+
 // ---------------------------------------------------------------------------
 // Combined handler for mounting all UCP endpoints under one prefix
 // ---------------------------------------------------------------------------
@@ -81,6 +105,7 @@ func CheckoutHandler(applier CheckoutApplier, orderSvc ...OrderApplier) http.Han
 type Options struct {
 	CheckoutApplier CheckoutApplier // when set, mounts /checkout-sessions
 	OrderApplier    OrderApplier    // optional order creation for complete endpoint
+	ProfileApplier  ProfileApplier // when set, mounts /customers + enables identity linking
 }
 
 // Handler returns an http.Handler that serves all mounted UCP endpoints under
@@ -88,12 +113,16 @@ type Options struct {
 //
 //	mux.Handle("/ucp/v1/", ucp.Handler(pool, ucp.Options{
 //	    CheckoutApplier: checkoutPool,
+//	    ProfileApplier:  profilePool,
 //	}))
 func Handler(cartApplier CartApplier, opts Options) http.Handler {
 	mux := http.NewServeMux()
 
 	// Cart endpoints
 	cartSrv := NewCartServer(cartApplier)
+	if opts.ProfileApplier != nil {
+		cartSrv.SetProfileApplier(opts.ProfileApplier)
+	}
 	mux.HandleFunc("POST /carts", cartSrv.handleCreateCart)
 	mux.HandleFunc("GET /carts/{id}", cartSrv.handleGetCart)
 	mux.HandleFunc("PUT /carts/{id}", cartSrv.handleUpdateCart)
@@ -106,6 +135,9 @@ func Handler(cartApplier CartApplier, opts Options) http.Handler {
 			orderOpts = []OrderApplier{opts.OrderApplier}
 		}
 		checkoutSrv := NewCheckoutServer(opts.CheckoutApplier, orderOpts...)
+		if opts.ProfileApplier != nil {
+			checkoutSrv.SetProfileApplier(opts.ProfileApplier)
+		}
 		mux.HandleFunc("POST /checkout-sessions", checkoutSrv.handleCreateCheckout)
 		mux.HandleFunc("GET /checkout-sessions/{id}", checkoutSrv.handleGetCheckout)
 		mux.HandleFunc("PUT /checkout-sessions/{id}", checkoutSrv.handleUpdateCheckout)
@@ -113,6 +145,16 @@ func Handler(cartApplier CartApplier, opts Options) http.Handler {
 		mux.HandleFunc("POST /checkout-sessions/{id}/cancel", checkoutSrv.handleCancelCheckout)
 	}
 
+	// Customer endpoints (optional)
+	if opts.ProfileApplier != nil {
+		customerSrv := NewCustomerServer(opts.ProfileApplier)
+		mux.HandleFunc("GET /customers/{id}", customerSrv.handleGetCustomer)
+		mux.HandleFunc("PUT /customers/{id}", customerSrv.handleUpdateCustomer)
+		mux.HandleFunc("POST /customers/{id}/addresses", customerSrv.handleAddAddress)
+		mux.HandleFunc("PUT /customers/{id}/addresses/{addressId}", customerSrv.handleUpdateAddress)
+		mux.HandleFunc("DELETE /customers/{id}/addresses/{addressId}", customerSrv.handleRemoveAddress)
+	}
+
 	return withUCPAgent(withJSONContentType(mux))
 }