Code to calculate weekly 'stache growth

stache-calc.js

/* eslint-env node */

module['exports'] = function echoHttp (hook) {
  console.log('hook.req', hook.req.method)
	// console.log('hook.params', hook.params['attachment-1']['body-plain'])
	console.log('hook.params', hook.params)

  if (hook.req.method === 'POST') {
    console.log('in POST request')
  }
  hook.res.end(JSON.stringify(hook.params, true, '\t'))
}

var _ = require('lodash')
// var users = _.indexBy(require('./users.js'), 'emailAddress')
// var mg = new Mailgun(process.env.MAILGUN_KEY)

function parseEmail(reqBody) {
  var emailAddress = reqBody.sender
  var body = reqBody['body-plain']
  // console.log(body)
  var weeklySpentPrefix = 'You spent $'
  var weeklySpentSuffix = ' over the past 7 days.'
  var weeklySpent = body.split(weeklySpentPrefix)[1].split(weeklySpentSuffix)[0]
  console.log('emailAddress:', emailAddress)
  console.log('weeklySpent:', weeklySpent)
  //getStats(emailAddress, weeklySpent)
}

function getStats(emailAddress, weeklySpent) {
  var user = users[emailAddress]

  if (_.isUndefined(user)) {
    console.error('User ' + emailAddress + ' not found.')
    return
  }

  console.log('user:', user)

  var percentageSaved = (user.weeklyIncome - weeklySpent) / user.weeklyIncome
  percentageSaved = _.round(percentageSaved * 100)
  console.log('percentageSaved:', percentageSaved + '%')
  //sendMessage(user.deliveryAddress, percentageSaved)
}

function sendMessage(recipient, percentageSaved) {
  mg.sendText(
    'auto@stache.dsernst.com',
    recipient,
    'Stache Calculator',
    'You saved ' + percentageSaved + '% last week.',
    function (err) {
      if (err) {
        console.error(err)
      } else {
        console.log('mg.sendText successful.')
      }
    }
  )
}

// parseEmail(require('./sample-body.js'))