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package main
import (
"encoding/json"
"fmt"
"net/http"
"os"
"github.com/slack-go/slack"
)
func main() {
var token, channel string
var ok bool
token, ok = os.LookupEnv("SLACK_TOKEN")
if !ok {
fmt.Println("Missing SLACK_TOKEN in environment")
os.Exit(1)
}
channel, ok = os.LookupEnv("SLACK_CHANNEL")
if !ok {
fmt.Println("Missing SLACK_CHANNEL in environment")
os.Exit(1)
}
api := slack.New(token)
attachment := slack.Attachment{
Pretext: "pretext",
Fallback: "We don't currently support your client",
CallbackID: "accept_or_reject",
Color: "#3AA3E3",
Actions: []slack.AttachmentAction{
slack.AttachmentAction{
Name: "accept",
Text: "Accept",
Type: "button",
Value: "accept",
},
slack.AttachmentAction{
Name: "reject",
Text: "Reject",
Type: "button",
Value: "reject",
Style: "danger",
},
},
}
message := slack.MsgOptionAttachments(attachment)
channelID, timestamp, err := api.PostMessage(channel, slack.MsgOptionText("", false), message)
if err != nil {
fmt.Printf("Could not send message: %v", err)
}
fmt.Printf("Message with buttons sucessfully sent to channel %s at %s", channelID, timestamp)
http.HandleFunc("/actions", actionHandler)
http.ListenAndServe(":3000", nil)
}
func actionHandler(w http.ResponseWriter, r *http.Request) {
var payload slack.InteractionCallback
err := json.Unmarshal([]byte(r.FormValue("payload")), &payload)
if err != nil {
fmt.Printf("Could not parse action response JSON: %v", err)
}
fmt.Printf("Message button pressed by user %s with value %s", payload.User.Name, payload.ActionCallback.AttachmentActions[0].Value)
}
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