aladdin-connect/src/_open-close.js

Client module for opening + closing garage doors via the Genie Aladdin Connect

const session = require('./util/session')
const statuses = require('./util/door-status')
const tiny = require('tiny-json-http')

/**
 * Open / close a garage door
 * - If lock isn't specified, gets status for the first lock returned by the API
 */
module.exports = function status(action='close', params, callback) {
  if (!callback && typeof params === 'function') {
    callback = params
    params = undefined
  }
  params = params || {}
  let {deviceNumber=0, doorNumber=1} = params

  let promise
  if (!callback) {
    promise = new Promise((res, rej) => {
      callback = (err, result) => {
        err ? rej(err) : res(result)
      }
    })
  }

  session({deviceNumber, doorNumber}, function _status(err, result) {
    if (err) callback(err)
    else {
      // FIXME throw if multiple portals or doors were found
      let {headers, body} = result
      let url = 'https://genie.m2.exosite.com/onep:v1/rpc/process'
      let user = process.env.ALADDIN_USER
      // For whatever reason, close / open are 0 / 1, unlike their status codes of 4 / 1
      let status = action === 'close' ? 0 : 1
      body.calls = [
        {
          arguments: [
            { alias: `dps${doorNumber}.desired_status` }, status
          ],
          id: 1,
          procedure: 'write'
        },
        {
          arguments: [
            { alias: `dps${doorNumber}.desired_status_user` }, user
          ],
          id: 1,
          procedure: 'write'
        },
      ]
      tiny.post({
        url,
        headers,
        data: body
      }, function done(err) {
        if (err) callback(err)
        else {
          let statusCode = action === 'close' ? 5 : 2 // lol
          let status = statuses(statusCode)
          callback(null, {status, statusCode})
        }
      })
    }
  })

  return promise
}