update

pkg/cart/cart-grain.go

@@ -2,6 +2,7 @@ package cart
 
 import (
 	"encoding/json"
+	"log"
 	"slices"
 	"strings"
 	"sync"
@@ -234,12 +235,21 @@ func (c *CartGrain) Notify(event actor.Event) {
 	defer c.mu.Unlock()
 	// Example: if event is inventory change for a SKU in the cart
 	if strings.HasPrefix(event.Topic, "inventory:") {
-		sku := strings.TrimPrefix(event.Topic, "inventory:")
+		skuAndLocationId := strings.TrimPrefix(event.Topic, "inventory:")
+		parts := strings.Split(skuAndLocationId, ":")
+		if len(parts) != 2 {
+			return
+		}
+		sku := parts[0]
+		locationId := parts[1]
+		log.Printf("cart grain got inventory update: %s", event.Topic)
 		for _, item := range c.Items {
-			if item.Sku == sku {
+			if item.Sku == sku && item.StoreId != nil && *item.StoreId == locationId {
 				// Update stock status based on payload, e.g., if payload is bool available
-				if available, ok := event.Payload.(bool); ok {
-					if available {
+
+				if quantity, ok := event.Payload.(int64); ok {
+					log.Printf("cart grain got item stock update %d", quantity)
+					if quantity > 0 {
 						item.Stock = 1 // assuming 1 is in stock
 					} else {
 						item.Stock = 0 // out of stock