Print stats for NYT crossword completion

print_puzzle_stats.rb

require 'net/http'
require 'time'
require 'json'
require 'uri'

TOKEN = File.read('nyt-s.token').rstrip
API_BASE = 'https://nyt-games-prd.appspot.com/svc/crosswords'

DELAY = 0.1

START_DATE = Time.parse('2019-07-06')
END_DATE = Time.parse('2020-10-03')

def format_date(date)
  date.strftime('%Y-%m-%d')
end

def each_puzzle_id(start_date, end_date, &block)
  uri = URI.parse("#{API_BASE}/v3/66465332/puzzles.json")
  args = {
    publish_type: 'daily',
    sort_order: 'desc',
    sort_by: 'print_date',
    date_start: format_date(start_date),
    date_end: format_date(end_date)
  }
  uri.query = URI.encode_www_form(args)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  request = Net::HTTP::Get.new(uri.request_uri)
  request['nyt-s'] = TOKEN

  JSON.parse(http.request(request).body)['results'].each do |r|
    yield [Time.parse(r['print_date']), r['puzzle_id']]
  end
end

def seconds_to_solve(puzzle_id)
  uri = URI.parse("#{API_BASE}/v6/game/#{puzzle_id}.json")
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  request = Net::HTTP::Get.new(uri.request_uri)
  request['nyt-s'] = TOKEN
  JSON.parse(http.request(request).body)['calcs']['secondsSpentSolving']
end

d = END_DATE
while d > START_DATE
  each_puzzle_id(START_DATE, d) do |date, puzzle_id|
    d = date if date < d
    puts [format_date(date), seconds_to_solve(puzzle_id)].join("\t")
    sleep DELAY
  end
end

1. Figure out your nyt-s cookie value. In Chrome, open Developer Tools (⌥⌘I), navigate to your NYT Crossword Archive, click the Network tab of Developer Tools and find a request to the domain nyt-games-prd.appspot.com. Click on it, view the request headers, and copy the nyt-s cookie value:
   
2. Save this value to a file named nyt-s.token
3. Run ruby print_puzzle_stats.rb