update

pkg/cart/mutation_confirmation_viewed.go

@@ -0,0 +1,13 @@
+package cart
+
+import (
+	"time"
+
+	messages "git.tornberg.me/go-cart-actor/pkg/messages"
+)
+
+func ConfirmationViewed(grain *CartGrain, req *messages.ConfirmationViewed) error {
+	grain.ConfirmationViewCount++
+	grain.ConfirmationLastViewedAt = time.Now()
+	return nil
+}