Send Oura bedtime to Beeminder as "hours before midnight"

oura2beeminder.rb

#! /usr/bin/ruby
# frozen_string_literal: true

# Original script: Bee from beeminder --> https://forum.beeminder.com/t/oura-integration/9592
# A script to fetch my bedtime from Oura and update my beeminder goal
# If run with no arguments it fetches the last 5 days from Oura. Does not update existing datapoints.

require 'httparty'

OURA_TOKEN = 'YOUR_OURA_PERSONAL_ACCESS_TOKEN'
OURA_API = 'https://api.ouraring.com/v1/'
BEEMINDER_TOKEN = 'YOUR_BEEMINDER_PERSONAL_ACCESS_TOKEN'
BEEMINDER_USERNAME = 'YOUR_BEEMINDER_USERNAME'
BEEMINDER_API = 'https://www.beeminder.com/api/v1/'
BEEMINDER_GOAL = 'YOUR_BEEMINDER_GOAL'
DAYS_TO_FETCH = 5
SECONDS_PER_DAY = 24 * 60 * 60
VERSION = '0.2'

stepurl = "#{BEEMINDER_API}users/#{BEEMINDER_USERNAME}/goals/#{BEEMINDER_GOAL}"
now = Time.now
params = {
  start: (now - SECONDS_PER_DAY * DAYS_TO_FETCH).strftime('%F'),
  end: now.strftime('%F')
}

headers = { "Authorization": "Bearer #{OURA_TOKEN}" }
# activity = HTTParty.get(OURA_API+"activity", headers: headers, query: params).parsed_response["activity"]
sleep = HTTParty.get("#{OURA_API}sleep", headers: headers, query: params).parsed_response['sleep']

# transform the data into date,value pairs
sleep.map! do |act|
  [Date.parse(act['summary_date']), act['bedtime_start_delta']]
end

data = HTTParty.get("#{stepurl}/datapoints.json",
                    query: { auth_token: BEEMINDER_TOKEN, count: 6, sort: 'daystamp' }).parsed_response

# check if Beeminder has an existing datapoint before adding our data
sleep.each do |date, bedtime_start_delta|
  date += 1 # count sleep for the day after wakeup
  datapt = data.select { |dat| dat['daystamp'] == date.strftime('%Y%m%d') }.first
  if datapt.nil?
    # add a datapoint
    HTTParty.post("#{stepurl}/datapoints.json", body: {
                    auth_token: BEEMINDER_TOKEN,
                    value: -bedtime_start_delta.to_f / 60 / 60, # convert to hours before midnight, make float
                    daystamp: date.strftime('%Y%m%d'),
                    comment: "From Oura. Entered at #{Time.now.iso8601} using version #{VERSION}."
                  })
  # # update a datapoint
  # elsif datapt && datapt['value'] < bedtime_start_delta
  #   # ok, but there is a datapoint and it has less steps than oura
  #   HTTParty.put(stepurl + "/datapoints/#{datapt['id']}.json", body: {
  #                  auth_token: BEEMINDER_TOKEN,
  #                  value: bedtime_start_delta,
  #                  daystamp: date.strftime('%Y%m%d'),
  #                  comment: "#{datapt['comment']}; Up:#{Time.now.strftime('%H:%M')}"
  #                })
  end
end