refactor

cmd/cart/main.go

@@ -104,21 +104,6 @@ type CartChangeEvent struct {
 	Mutations []actor.ApplyResult `json:"mutations"`
 }
 
-func matchesSkuAndLocation(update inventory.InventoryResult, item cart.CartItem) bool {
-	if string(update.SKU) == item.Sku {
-		if update.LocationID == "se" && item.StoreId == nil {
-			return true
-		}
-		if item.StoreId == nil {
-			return false
-		}
-		if *item.StoreId == string(update.LocationID) {
-			return true
-		}
-	}
-	return false
-}
-
 // catalogProjectionCache is the cart's per-pod, cold-start-ready catalog
 // projection cache, backed by platform/catalog.ProjectionStore. It consumes the
 // catalog.projection_published wire — a full snapshot (begin/chunk/end, framed by
@@ -232,18 +217,13 @@ func main() {
 		Password: redisPassword,
 		DB:       0,
 	})
-	inventoryService, err := inventory.NewRedisInventoryService(rdb)
-	if err != nil {
-		log.Fatalf("Error creating inventory service: %v\n", err)
-	}
-	_ = inventoryService
-
 	inventoryReservationService, err := inventory.NewRedisCartReservationService(rdb)
 	if err != nil {
 		log.Fatalf("Error creating inventory reservation service: %v\n", err)
 	}
+	reservationPolicy := inventory.NewReservationPolicyAdapter(inventoryReservationService)
 
-	reg := cart.NewCartMultationRegistry(cart.NewCartMutationContext(inventoryReservationService))
+	reg := cart.NewCartMultationRegistry(cart.NewCartMutationContext(reservationPolicy))
 	reg.RegisterProcessor(
 		actor.NewMutationProcessor(func(ctx context.Context, g *cart.CartGrain) error {
 			_, span := tracer.Start(ctx, "Totals and promotions")