more stuff

cart-grain.go

@@ -67,6 +67,7 @@ type CartGrain struct {
 	Items           []*CartItem     `json:"items"`
 	TotalPrice      int64           `json:"totalPrice"`
 	Deliveries      []*CartDelivery `json:"deliveries,omitempty"`
+	Processing      bool            `json:"processing"`
 }
 
 type Grain interface {
@@ -339,6 +340,13 @@ func (c *CartGrain) HandleMessage(message *Message, isReplay bool) (*FrameWithPa
 				Price:    49,
 				Items:    items,
 			})
+			c.Processing = true
+			go func() {
+				time.Sleep(5 * time.Second)
+				c.mu.Lock()
+				c.Processing = false
+				c.mu.Unlock()
+			}()
 		}
 	case RemoveDeliveryType:
 		msg, ok := message.Content.(*messages.RemoveDelivery)