index.js

const { App } = require('@slack/bolt')
const { Avokudos } = require('./lib/avokudos')
const { LocalKeeper } = require('./lib/keepers/local')
const { RedisKeeper } = require('./lib/keepers/redis')
const redis = require('redis')

let keeper
if (process.env.REDIS_HOST !== undefined) {
  console.log('REDIS_HOST is set. Using RedisKeeper')
  const redisClient = redis.createClient({
    socket: {
      host: process.env.REDIS_HOST,
      port: process.env.REDIS_PORT || 6379
    },
    password: process.env.REDIS_PASSWORD
  })

  redisClient.on('error', (err) => {
    console.log('Redis Error: ' + err)
  })
  redisClient
    .connect()
    .then(() => {
      console.log('Connected to redis instance')
    })
    .catch((err) => {
      console.error('Failed to connect to redis: ' + err)
      process.exit(1)
    })

  keeper = new RedisKeeper(redisClient)
} else {
  console.log('Using LocalKeeper')
  keeper = new LocalKeeper()
}

const avokudos = new Avokudos(keeper)

const app = new App({
  token: process.env.SLACK_BOT_TOKEN,
  signingSecret: process.env.SLACK_SIGNING_SECRET,
  socketMode: true,
  appToken: process.env.SLACK_APP_TOKEN
})

app.message(':avocado:', avokudos.hearMessage)
app.event('reaction_added', avokudos.hearReactionAdded)
app.event('reaction_removed', avokudos.hearReactionRemoved)

app.command('/leaderboard', avokudos.getLeaderboard);

(async () => {
  await app.start(process.env.PORT || 3000)
  console.log('🥑 Avokudos app is running!')
})()