buergerbot-telegram with command line arguments for limited treis. Meant to run as a cron job

buergerbot-telegram.rb

#!/usr/bin/env ruby
require 'watir'
require 'telegram/bot'

Telegram.bots_config = {
  default: '1737278742:AAG5hgFUafYf1f_ad4gAkYz3wl6ysh2DboE',
}

Telegram.bot.get_updates

chat_id = '340761911'

def log (message) puts "  #{message}" end
def success (message) puts "+ #{message}" end
def fail (message) puts "- #{message}" end
def notify (message)
  success message.upcase
  system 'osascript -e \'Display notification "Bürgerbot" with title "%s"\'' % message
rescue StandardError => e
end

def appointmentAvailable? (b)
  url = 'https://service.berlin.de/terminvereinbarung/termin/tag.php?termin=1&dienstleister=122282&anliegen[]=120703&herkunft=1'
  puts '-'*80
  log 'Trying again'
  b.goto url
  log 'Page loaded'
  link = b.element css: '.calendar-month-table:first-child td.buchbar a'
  if link.exists?
    link.click
    notify 'An appointment is available.'
    log 'Enter y to keep searching or anything else to quit.'
    Telegram.bot.send_message(chat_id: chat_id, text: 'Found an appointment! Book here: https://service.berlin.de/terminvereinbarung/termin/tag.php?termin=1&dienstleister=122282&anliegen[]=120703&herkunft=1')
    return gets.chomp.downcase != 'y'
  else
    fail 'No luck this time.'
    return false
  end
rescue StandardError => e
  fail 'Error encountered.'
  puts e.inspect
  return false
end

repetitions = ARGV[0].to_i
sleep_duration = ARGV[1].to_i

b = Watir::Browser.new
Telegram.bot.send_message(chat_id: chat_id, text: "checking %d times with %d second pauses" % [repetitions, sleep_duration])

for i in 0..repetitions do
  if appointmentAvailable? b
    break
  end
  log 'Sleeping'
  sleep sleep_duration
end