percybolmer

// GreetUser is used to Welcome a new User into the tavern
func (cc *CadenceClient) GreetUser(w http.ResponseWriter, r *http.Request) {
	// Grab user info from body
	var visitor customer.Customer

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

percybolmer

const (
	cadenceClientName = "cadence-client"
	cadenceService    = "cadence-frontend"
)

const (
	// The names of the Workflows we will be using
	OrderWorkflow     = "programmingpercy/cadence-tavern/workflows/orders.WorkflowOrder"
	GreetingsWorkflow = "programmingpercy/cadence-tavern/workflows/greetings.workflowGreetings"
)

percybolmer

package main

import (
	"encoding/json"
	"log"
	"net/http"
	"programmingpercy/cadence-tavern/customer"
	"programmingpercy/cadence-tavern/workflows/orders"
)

percybolmer

package orders

import (
	"context"
	"errors"
	"programmingpercy/cadence-tavern/customer"
	"time"

	"go.uber.org/cadence/activity"
	"go.uber.org/cadence/workflow"

percybolmer

	// Preconfigure ChildWorkflow Options
	orderWaiterCfg := workflow.ChildWorkflowOptions{
		ExecutionStartToCloseTimeout: time.Minute * 2, // Each Order can tops take 2 min
	}

	// Grab the Selector from the workflow Context,
	selector := workflow.NewSelector(ctx)
	// For ever running loop
	for {
		// Get the Signal used to identify an Event, we named our Order event into order

percybolmer

package orders

import (
	"time"

	"go.uber.org/cadence/workflow"
	"go.uber.org/zap"
)

// Order is a simple type to represent orders made

percybolmer

cadence --domain tavern workflow signal -w 71b24355–4d9a-4460–818a-50c9058a837e -n order -i '{ "item": "Beer", "by": "Percy" }'

percybolmer

percy@awesome:~/development/cadence-demo$ cadence --domain tavern workflow run --tl greetings --wt programmingpercy/cadence-tavern/workflows/orders.workflowOrder --et 60
Running execution:
  Workflow Id : a49df98b-34ed-46b6-ac74-8a2d6e39db0e                            
  Run Id      : bd989409-8688-4eed-b08f-d871d035c77b                            
  Type        : programmingpercy/cadence-tavern/workflows/orders.workflowOrder  
  Domain      : tavern                                                          
  Task List   : greetings                                                       
  Args        :                                                                 
Progress:
  1, 2022-03-01T19:34:15+01:00, WorkflowExecutionStarted

percybolmer

package orders

import (
	"time"

	"go.uber.org/cadence/workflow"
	"go.uber.org/zap"
)

// Order is a simple type to represent orders made

percybolmer

Result:
  Run Time: 1 seconds
  Status: COMPLETED
  Output: {"name":"Percy","lastVisit":"2022-02-28T20:38:49.5461618+01:00","timesVisited":1}