Mattermost Interactive Dialog sample

interactive_dialog.go

package main

import (
	"fmt"
	"log"
	"net/http"

	"github.com/mattermost/mattermost-server/model"
)

const (
	ServerURL     = "http://localhost:8080"
	MattermostURL = "http://localhost:8065"
	AccessToken   = "yj4xzckhiig5urrdzm4ydduccc"
)

var client *model.Client4

func main() {
	client = model.NewAPIv4Client(MattermostURL)
	client.SetOAuthToken(AccessToken)
	http.HandleFunc("/dialog", handleDialogRequest)
	http.HandleFunc("/callback", handleCallBack)
	if err := http.ListenAndServe(":8080", nil); err != nil {
		log.Fatal(err)
	}
}

func handleDialogRequest(w http.ResponseWriter, r *http.Request) {
	defer r.Body.Close()
	r.ParseForm()

	dialog := model.OpenDialogRequest{
		TriggerId: r.Form["trigger_id"][0],
		URL:       fmt.Sprintf("%s/callback", ServerURL),
		Dialog: model.Dialog{
			Title:       "SampleDialog",
			SubmitLabel: "Submit",
			Elements: []model.DialogElement{
				{
					DisplayName: "Text",
					Name:        "text",
					Type:        "textarea",
					SubType:     "text",
				},
				{
					DisplayName: "Channel",
					Name:        "channel",
					Type:        "select",
					DataSource:  "channels",
				},
			},
		},
	}

	if ok, resp := client.OpenInteractiveDialog(dialog); !ok {
		log.Fatalf("%#v", resp)
	}
}

func handleCallBack(w http.ResponseWriter, r *http.Request) {
	defer r.Body.Close()
	request := model.SubmitDialogRequestFromJson(r.Body)
	text := request.Submission["text"].(string)
	channel := request.Submission["channel"].(string)

	client.CreatePost(&model.Post{
		ChannelId: channel,
		Message:   fmt.Sprintf("```\n%s\n```", text),
	})
}

zz_dialog.gif