update cart

cmd/cart/main.go

@@ -18,6 +18,8 @@ import (
 	"git.k6n.net/mats/go-cart-actor/pkg/proxy"
 	"git.k6n.net/mats/go-cart-actor/pkg/voucher"
 	"git.k6n.net/mats/go-redis-inventory/pkg/inventory"
+	"git.k6n.net/mats/slask-finder/pkg/messaging"
+	amqp "github.com/rabbitmq/amqp091-go"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -153,7 +155,7 @@ func main() {
 		}),
 	)
 
-	diskStorage := actor.NewDiskStorage[cart.CartGrain]("data", reg)
+	diskStorage := actor.NewDiskStorage[cart.CartGrain](getEnv("CART_DIR", "data"), reg)
 	poolConfig := actor.GrainPoolConfig[cart.CartGrain]{
 		MutationRegistry: reg,
 		Storage:          diskStorage,
@@ -215,6 +217,28 @@ func main() {
 		log.Fatalf("Error creating cart pool: %v\n", err)
 	}
 
+	// Publish each applied mutation to the "cart"/"mutation" RabbitMQ topic so the
+	// backoffice /commerce live feed (and other consumers) see cart activity.
+	// Best-effort: if AMQP is unreachable the cart still serves; the feed stays empty.
+	if amqpUrl != "" {
+		if conn, derr := amqp.Dial(amqpUrl); derr != nil {
+			log.Printf("cart: AMQP connect failed, mutation feed disabled: %v", derr)
+		} else {
+			if ch, cerr := conn.Channel(); cerr == nil {
+				_ = messaging.DefineTopic(ch, "cart", "mutation") // idempotent; non-fatal
+				_ = ch.Close()
+			}
+			pool.AddListener(actor.NewAmqpListener(conn, func(id uint64, results []actor.ApplyResult) (any, error) {
+				types := make([]string, 0, len(results))
+				for _, r := range results {
+					types = append(types, r.Type)
+				}
+				return map[string]any{"cartId": id, "mutations": types}, nil
+			}))
+			log.Printf("cart: mutation feed enabled (cart/mutation)")
+		}
+	}
+
 	syncedServer := NewPoolServer(pool, fmt.Sprintf("%s, %s", name, podIp)) //inventoryService, inventoryReservationService)
 
 	app := &App{

cmd/cart/product-fetcher.go

@@ -186,7 +186,7 @@ func ToItemAddMessage(item *ProductItem, parent *ProductItem, storeId *string, q
 
 	// Top-level items price from their own product; children are priced from the
 	// parent product via the accessory-price hook.
-	price := int64(item.Price * 100)
+	price := int64(item.Price)
 	if parent != nil {
 		price = accessoryPrice(parent, item)
 	}