A tiny script to convert timeline data to csv

timedata.js

'use strict'

const argv = require('minimist')(process.argv.slice(2))
const request = require('request')
const fs = require('fs')
const FILE_NAME = 'timedata.csv'

if (!argv.token || !argv.apikey || !argv.thingid) {
  console.error(`Missing arg(s).\n\tUsage: ${process.argv[1]} --thingid <thingid> --apikey <key> --token <token> [--days <days>]\n`)
  process.exit(1)
}

let days = argv.days || 10

request({
  url: `https://next.fairtrail.me/v1/timeseries/${argv.thingid}?time=${days}d`,
  json: true,
  headers: {
    'apikey': argv.apikey,
    'authorization': `token ${argv.token}`
  }
}, (err, res, body) => {
  if (err) {
    console.error(err)
    return process.exit(1)
  }

  if (res.statusCode !== 200) {
    console.error(`Got statusCode ${res.statusCode} back from server. Exiting`)
    return process.exit(1)
  }
  let data = body.time.reduce((memo, time, index, array) => {
    let item = `"${time}", "${body.hum[index]}", "${body.temp[index]}"`
    item = index < array.length ? item + '\n' : item
    memo += item
    return memo
  }, '"time", "hum", "temp"\n')
  fs.writeFile(`./${FILE_NAME}`, data, 'utf8', (err) => {
    if (err) { console.err(err); return process.exit(1) }
    return console.log(`>>> ${FILE_NAME}`)
  })
})