invite-user.js

const { prisma } = require('../db')
const { defaultInvite } = require('./invite-types/default')
const { onboardInvite } = require('./invite-types/onboard')
const { metrics } = require('./metrics')

async function inviteGuestToSlack({ email, channels, _customMessage }) {
  // This is an undocumented API method found in https://github.com/ErikKalkoken/slackApiDoc/pull/70
  // Unlike the documention in that PR, we're driving it not with a legacy token but a browser storage+cookie pair

  // The SLACK_COOKIE is a xoxd-* token found in browser cookies under the key 'd'
  // The SLACK_BROWSER_TOKEN is a xoxc-* token found in browser local storage using this script: https://gist.github.com/maxwofford/5779ea072a5485ae3b324f03bc5738e1

  // I haven't yet found out how to add custom messages, so those are ignored for now
  const cookieValue = `d=${process.env.SLACK_COOKIE}`

  // Create a new Headers object
  const headers = new Headers()

  // Add the cookie to the headers
  headers.append('Cookie', cookieValue)
  headers.append('Content-Type', 'application/json')
  headers.append('Authorization', `Bearer ${process.env.SLACK_BROWSER_TOKEN}`)

  const data = JSON.stringify({
    token: process.env.SLACK_BROWSER_TOKEN,
    invites: [
      {
        email,
        type: 'restricted',
        mode: 'manual',
      },
    ],
    restricted: true,
    channels: channels.join(','),
  })

  return fetch(`https://slack.com/api/users.admin.inviteBulk`, {
    headers,
    method: 'POST',
    body: data,
  }).then((r) => {
    console.log(r)
    metrics.increment('events.flow.invitetoslack', 1)
    r.json()
  })
}


async function inviteUser({
  email,
  ip,
  continent,
  teen,
  reason,
  userAgent,
  event,
}) {
  await prisma.invite.create({
    data: {
      email: email,
      user_agent: userAgent || 'user_agent is empty',
      ip_address: ip,
      high_school: teen, // we actually just care if they're a teenager, so middle school is included in high school
      welcome_message: reason, // record their reason for joining the slack as their welcome message
      continent: continent.toUpperCase().replace(/\W/g, '_'),
      event: event || null, // This is a field that is only filled if someone signed up with ?event= query
    },
  })

  let invite = defaultInvite
  if (event == 'onboard') {
    invite = onboardInvite
  }
  const { channels, customMessage } = invite

  return await inviteGuestToSlack({ email, channels, customMessage })
}

module.exports = { inviteUser }