Slack Bots for Fun and Profit

Given at Nodevember in 2016, learn how to design and build Slack bots easily using the Skellington library.

Transcript

1. building slack bots for fun and profit* *profit not included
2. new talk, who dis?
7. so you wanna build Slack bots
10. you have some options...
11. incoming webhooks
12. web api it's not REST that's ok though
13. rtm api
14. events api
15. slash commands
17. interaction first
19. just remember: hhafw
20. help
21. i'm a bot and i'm ok
22. single team bots
23. const request = require('request')
 const Ws = require('ws')
 
 // use Slack web API to get an RTM API URL
 request({
 method: 'GET',
 uri: `https://slack.com/api/rtm.start`,
 json: true,
 qs: {
 token: process.env.SLACK_TOKEN
 }
 },(err, res, body) => {
 // use the url to open a new websocket
 const rtm = new Ws(body.url, null, {agent: null})
 let lastMessageId = 0
 
 // this is where the magic will happen
 rtm.on('message', (event) => {
 const message = JSON.parse(event) const replyMessage = {
 id: ++lastMessageId,
 type: 'message',
 channel: message.channel,
 text: 'GO CUBS'
 } ! rtm.send(JSON.stringify(replyMessage))
 })
 }) https://github.com/colestrode/fun-and-profit/tree/master/examples/01
24. const api = require('./api')
 
 api.rtm.start((err, bot) => {
 if (err) {
 return console.log(err)
 }
 
 bot.on(/hello/, (bot, message) => {
 bot.reply(message, 'GO CUBS')
 })
 
 bot.on(/howdy/, (bot, message) => {
 bot.reply(message, 'GO TRIBE')
 })
 }) https://github.com/colestrode/fun-and-profit/tree/master/examples/02
26. interaction first design
27. interaction first code
28. meet skellington npm i -S skellington
29. require('skellington')({
 slackToken: process.env.SLACK_TOKEN,
 plugins: [require('./plugin')]
 })
 https://github.com/colestrode/fun-and-profit/tree/master/examples/04
30. module.exports = {
 init: function (controller) {
 controller.hears('hello', ['ambient'], (bot, message) => {
 bot.reply(message, 'GO CUBS')
 })
 
 controller.hears('howdy', ['ambient'], (bot, message) => {
 bot.reply(message, 'GO TRIBE')
 })
 }
 }
 ! https://github.com/colestrode/fun-and-profit/tree/master/examples/04
31. module.exports = {
 init: init,
 help: {
 command: 'hello',
 text: 'Type `hello` or `howdy` and see what happens!'
 }
 } https://github.com/colestrode/fun-and-profit/tree/master/examples/04
33. slack apps
34. https://github.com/colestrode/fun-and-profit/tree/master/examples/05
35. require('skellington')({
 clientId: process.env.CLIENT_ID,
 clientSecret: process.env.CLIENT_SECRET,
 port: 9000,
 successRedirectUri: 'https://github.com/colestrode/ skellington',
 botkit: {
 json_file_store: './db/' // persists authentication across restarts
 },
 plugins: [require('./plugin')]
 }) https://github.com/colestrode/fun-and-profit/tree/master/examples/07
36. module.exports => {
 init: init,
 help: {
 command: 'hello',
 text: 'Type `hello` or `howdy` and see what happens! Or maybe give `/ secret` a try!'
 }
 }
 
 function init (controller) {
 controller.on('slash_command', (bot, message) => {
 if (message.command !== '/secret') {
 return true
 }
 
 bot.replyPrivate(message, /hello/.test(message.text) ? 'GO CUBS' : 'GO TRIBE')
 return false // stop event propagation
 })
 
 controller.hears('hello', ['ambient'], (bot, message) => {
 bot.reply(message, 'GO CUBS')
 })
 
 controller.hears('howdy', ['ambient'], (bot, message) => {
 bot.reply(message, 'GO TRIBE')
 })
 }
 ! https://github.com/colestrode/fun-and-profit/tree/master/examples/07
37. const skellington = require('skellington') ! skellington({
 slackToken: process.env.SLACK_TOKEN_1,
 plugins: [require('./plugin')]
 })
 ! ! skellington({
 slackToken: process.env.SLACK_TOKEN_2,
 plugins: [require('./another-plugin')]
 })
 https://github.com/colestrode/skellington/blob/master/test/functional/index.js
38. resources https://my.slack.com/apps/build/custom-integration ! https://github.com/howdyai/botkit ! https://github.com/colestrode/fun-and-profit ! https://github.com/colestrode/skellington @colestrode