Hack to pull fitbit data to Beeminder

fitbit_beeminder.rb

require 'rubygems'
gem "beeminder", "= 0.2.2"
require 'fitgem'
require 'json'
require 'beeminder'

consumer_key = 'FITBIT_KEY'
consumer_secret = 'FITBIT_SECRET'
token = 'FITBIT_TOKEN'
secret = ''
user_id = '2285JS' # may be similar to '12345N'
$datafile = '/home/beemind/history.json'

$history = {}
if File.exists?($datafile)
  json = File.read($datafile) || "{}"
  $history = JSON.parse(json)
end

def save
  if File.exists?($datafile)
    File.delete($datafile)
  end
  File.open($datafile,"w") do |f|
    puts "Keys of json : #{$history.keys}"
    f.write($history.to_json)
  end
end

def get_value(date, key)
  if not $history.has_key?(date.to_s)
    return 0
  end
  if not $history[date.to_s].has_key?(key)
    return 0
  end
  return $history[date.to_s][key]
end

def store_in_file(date, key, value)
  if not $history.has_key?(date.to_s)
    $history[date.to_s] = {}
  end
  $history[date.to_s][key] = value
  save
end

def updateBKValue(bee, date, varname, newValue)
  oldval = get_value(date, varname)
  #p "Old value is #{oldval}, new value is #{newValue}"
  stepsMod = 1.0*newValue - get_value(date, varname)
  stepsMod = ((stepsMod*100).round*1.0)/100
  if stepsMod < 0.01 && stepsMod > -0.01
    stepsMod = 0
  end
  m = "Fitbit: on #{Time.new}, for #{date} adds #{stepsMod} to #{varname} for a daily total of #{newValue}"
  p m
  if not stepsMod == 0
    g = bee.goal "fitbit_#{varname}"
    nts = DateTime.parse(date.to_s) + 0.5
    p nts.to_s
    dp = Beeminder::Datapoint.new("comment" => m, "timestamp" => nts, "value" => stepsMod)
    g.add dp
  end
  store_in_file date, varname, newValue
end

client = Fitgem::Client.new({:consumer_key => consumer_key, :consumer_secret => consumer_secret, :token => token, :secret => secret, :user_id => user_id})
access_token = client.reconnect(token, secret)

[Date.today, Date.today-1, Date.today-2].each do |date|
#[Date.today].each do |date|
  sleep(1)
  act_raw =  client.activities_on_date(date)
  steps = act_raw['summary']['steps']
  score = act_raw['summary']['activeScore']
  calories_out = act_raw['summary']['caloriesOut']
  sleep(1)
  sleep_raw =  client.sleep_on_date(date)
  sleep = 1.0/60*sleep_raw['summary']['totalMinutesAsleep']
  sleep(1)
  food_raw =  client.foods_on_date(date)
  calories_in = food_raw['summary']['calories']
  protein = food_raw['summary']['protein']
  p "Protein: #{protein}"

  p "Steps: #{steps}, ActiveScore: #{score}"
  p "Sleep is #{sleep}"
  p "Calories are #{calories_in} in, and #{calories_out} out"

  bee = Beeminder::User.new 'BEEMINDER_TOKEN', {}

  updateBKValue(bee, date, 'steps', steps)
  updateBKValue(bee, date, 'sleep', sleep)
  updateBKValue(bee, date, 'score', score)
  if (calories_in > 0) # Only do this if foods were logged
    caloriedeficit = calories_out - calories_in
    updateBKValue(bee, date, 'caloriedeficit', caloriedeficit)
  end
  updateBKValue(bee, date, 'protein', protein)
end