refactor

cmd/order/handlers_checkout.go

@@ -18,9 +18,9 @@ import (
 // via Klarna/Adyen on the checkout grain; the order service records the result
 // in its event-sourced grain.
 type fromCheckoutReq struct {
-	CheckoutId     string    `json:"checkoutId"`
-	IdempotencyKey string    `json:"idempotencyKey"`
-	Flow           string    `json:"flow,omitempty"`
+	CheckoutId     string `json:"checkoutId"`
+	IdempotencyKey string `json:"idempotencyKey"`
+	Flow           string `json:"flow,omitempty"`
 
 	CartId        string    `json:"cartId"`
 	Currency      string    `json:"currency"`
@@ -120,11 +120,7 @@ func (s *server) createOrderFromCheckoutInternal(ctx context.Context, req *fromC
 		return 0, nil, nil, false, nil, fmt.Errorf("unknown flow %q", flowName)
 	}
 
-	freg := flow.NewRegistry()
-	flow.RegisterBuiltinHooks(freg)
-	order.RegisterFlowActions(freg, s.applier, provider)
-	order.RegisterEmitHook(freg, nil)
-
+	freg := buildFlowRegistry(s.applier, provider, s.inventoryReservations, nil, nil, nil, s.logger)
 	engine := flow.NewEngine(freg, s.logger)
 	st := flow.NewState(ordID, s.logger)
 	st.Vars[order.PlaceOrderVar] = po
@@ -178,6 +174,7 @@ func buildFromCheckoutPlaceOrder(id order.OrderId, req *fromCheckoutReq) *messag
 			TotalAmount: lineTotal,
 			TotalTax:    lineTax,
 			Location:    l.Location,
+			DropShip:    l.DropShip,
 		})
 	}
 	po.TotalAmount = total