main_slack_pub.go

package main

import (
	"encoding/json"
	"flag"
	"fmt"
	"log"
	"os"

	"github.com/siuyin/dflt"
	"github.com/xendit/xendit-provisioner/engr-onboard/evt"
)

var (
	emailSlack string // Joined
	groupSlack string // PerformanceReviewed
)

func init() {
	eUsage := "Fill email"
	flag.StringVar(&emailSlack, "Email", "", eUsage)
	flag.StringVar(&emailSlack, "e", "", eUsage+" (shorthand)")

	prUsage := "Fill private group slack"
	flag.StringVar(&groupSlack, "PrivateGroup", "", prUsage)
	flag.StringVar(&groupSlack, "g", "", prUsage+" (shorthand)")
}

func main() {
	fmt.Println("authz-slack-pub: command-line authz check is-member pub")
	if !parseCommandLineFlags() {
		return
	}

	const subject = "authz.slack"
	natsURL := dflt.EnvString("NATS_URL", "nats://localhost:4222")
	p := evt.NewNATSPublisher(subject, natsURL)
	defer p.Close()

	param := make(map[string]string)
	param["username"] = emailSlack
	param["groupname"] = groupSlack

	payload, err := json.Marshal(param)
	if err != nil {
		log.Fatal(err)
	}

	p.Publish(evt.AuthzSlackSvc, payload)
	fmt.Println("test event sent")
}

func parseCommandLineFlags() bool {
	flag.Parse()

	if len(emailSlack) <= 0 || len(groupSlack) <= 0 {
		fmt.Printf("\nUsage:\nPlease issue flag -e and -g\ntype %s --help for more info\n", os.Args[0])
		return false
	}

	return true
}