Cadence handler for sending signal

Cadence-Order-Handler-V1.go

// Order is used to send a signal to the worker
func (cc *CadenceClient) Order(w http.ResponseWriter, r *http.Request) {
	// Grab order info from body
	var orderInfo orders.Order

	err := json.NewDecoder(r.Body).Decode(&orderInfo)
	if err != nil {
		http.Error(w, err.Error(), http.StatusBadRequest)
		return
	}

	log.Print(orderInfo)
	// Send a signal to the Workflow
	// We need to provide a Workflow ID, the RUN ID of the workflow, and the Signal type
	err = cc.client.SignalWorkflow(r.Context(), cc.orderWorkflowID, cc.orderWorkflowRunID, "order", orderInfo)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		return
	}

	log.Println("Signalled system of order")

	w.WriteHeader(http.StatusOK)

}