SMS you a reminder to shave when you clock in to work

app.rb

require_relative 'env' # store my secrets in a separate file
require 'sinatra'
require 'open-uri'
require 'aws-sdk'
require 'httparty'
require 'twilio-ruby'

post '/webhook' do
  data = JSON.parse(request.body.read)

  user_id = data['payload']['body']['user_id']
  photo_url = data['payload']['body']['photo']
  file = open(photo_url).read

  client = Aws::Rekognition::Client.new(region: "us-east-1")
  resp = client.detect_faces(image: {bytes: file}, attributes: ['ALL'])

  has_beard = resp.face_details.first.beard.value || resp.face_details.first.beard.confidence < 0.8
  has_mustache = resp.face_details.first.mustache.value || resp.face_details.first.mustache.confidence < 0.8

  if has_beard || has_mustache
    user_data = HTTParty.get("https://my.tanda.co/api/v2/users/#{user_id}", headers: {"Authorization" => "bearer #{ENV['TANDA_API_KEY']}"})
    if user_data['phone']
      phone = user_data['phone'].delete(" ").sub("0", "+61")

      client = Twilio::REST::Client.new(ENV['TWILIO_SID'], ENV['TWILIO_TOKEN'])
      client.account.messages.create(from: ENV['TWILIO_FROM_NUMBER'], to: phone, body: "You need to shave!")
    end
  end
end

Gemfile

source 'https://rubygems.org'

gem 'sinatra'
gem 'aws-sdk', '~> 3'
gem 'httparty'
gem 'twilio-ruby'