evilbot.go

package main

import (
	"os"
	"strings"

	"github.com/nlopes/slack"
)

func main() {
	slack_api_token := os.Getenv("SLACK_API_TOKEN")
	api := slack.New(slack_api_token)
	rtm := api.NewRTM()
	go rtm.ManageConnection()
	for msg := range rtm.IncomingEvents {
		switch ev := msg.Data.(type) {
		case *slack.MessageEvent:
			if ev.Msg.Edited == nil && ev.Msg.Hidden == false && strings.Contains(strings.ToLower(ev.Msg.Text), "evil") {
				rtm.AddReaction("smiling_imp", slack.ItemRef{
					Channel:   ev.Msg.Channel,
					Timestamp: ev.Msg.Timestamp,
				})
			}
			if ev.Msg.Edited == nil && ev.Msg.Hidden == false && strings.Contains(strings.ToLower(ev.Msg.Text), "bot") {

				rtm.AddReaction("robot_face", slack.ItemRef{
					Channel:   ev.Msg.Channel,
					Timestamp: ev.Msg.Timestamp,
				})
			}
		default:

			// Ignore other events..
			//fmt.Printf("Unexpected: %v\n", msg.Data)
		}
	}
}