Beating the Austin DPS Appointment Booking System

gistfile1.txt

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import time
import pprint
pp = pprint.PrettyPrinter(indent=4)
import requests
import json
from datetime import datetime

DEV_FORCE_BOOKING = False
DATE_DELAY = 0 # 0 would be the first available date,, but it could also be the same day as today
TIME_SLOT = -1 # last slot one in the day
BASE_URL = 'https://publicapi.txdpsscheduler.com/api/'

# change these details to your personal information to book
DOB = "09/08/1990"
FIRST_NAME = 'Fred'
LAST_NAME = 'Johnson'
EMAIL = 'fredjohnson@gmail.com'
LAST_4 = '2233'

SERVICE_TYPE = 71
DATE_PATTERN = '%m/%d/%Y'

# these are the needed headers to communicate with the scheduler apis
HEADERS = {
  'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 11_1_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36',
  'Referer': 'https://public.txdpsscheduler.com/',
  'Origin': 'https://public.txdpsscheduler.com',
  'Host': 'publicapi.txdpsscheduler.com',
  'Accept': 'application/json, text/plain, */*',
  'Accept-Encoding': 'gzip, deflate, br',
  'Content-Type': 'application/json',
  'Cookie': 'ARRAffinity=bbe667b6ac7363554ad0781245985818906290e4fd0c62146e63586c6747a1f4; ARRAffinitySameSite=bbe667b6ac7363554ad0781245985818906290e4fd0c62146e63586c6747a1f4'
}

def get_soonest_date_from_locations(results):
  da_soonest = None
  for location in results:
    print('{} with Id={}, Soonest={}, Distance={}'.format(location.get('Name'), location.get('Id'), location.get('NextAvailableDate'), location.get('Distance')))

    compare_date = datetime.strptime(location.get('NextAvailableDate'), DATE_PATTERN)
    if da_soonest and (da_soonest.get('next_date') < compare_date):
      continue
    if da_soonest and (da_soonest.get('next_date') == compare_date) and \
      da_soonest.get('distance') <= location.get('Distance'):
      # print('date is equal and distance is less or equal')
      continue
    da_soonest = {
      'id': location.get('Id'),
      'next_date': datetime.strptime(location.get('NextAvailableDate'), DATE_PATTERN),
      'distance': location.get('Distance')
    }
  return da_soonest


def get_response_id():
  # make sure we are eligible:
  ELIGIBILITY_URL = BASE_URL + 'Eligibility'
  PAYLOAD = json.dumps({
    "CardNumber": "",
    "DateOfBirth": DOB,
    "FirstName": FIRST_NAME,
    "LastFourDigitsSsn": LAST_4,
    "LastName": LAST_NAME
  })

  response = requests.request('POST', ELIGIBILITY_URL, headers=HEADERS, data=PAYLOAD)
  results = response.json()
  return results[0].get('ResponseId')


def get_bookings():
  PAYLOAD = json.dumps({
    "DateOfBirth": DOB,
    "FirstName": FIRST_NAME,
    "LastFourDigitsSsn": LAST_4,
    "LastName": LAST_NAME
  })
  BOOKING_URL = BASE_URL + 'Booking'
  response = requests.request('POST', BOOKING_URL, headers=HEADERS, data=PAYLOAD)
  return response.json()


def make_booking_request(last_slot_of_earliest_day, response_id, da_soonest):
  MAKE_BOOKING_URL = BASE_URL + 'RescheduleBooking'
  MAKE_BOOKING_BODY = json.dumps({
    'BookingDateTime': last_slot_of_earliest_day.get('StartDateTime'),
    'BookingDuration': last_slot_of_earliest_day.get('Duration'),
    'CardNumber': "",
    'CellPhone': "",
    'DateOfBirth': DOB,
    'Email': EMAIL,
    'FirstName': FIRST_NAME,
    'HomePhone': "",
    'Last4Ssn': LAST_4,
    'LastName': LAST_NAME,
    # where is this from?
    'ResponseId': response_id,
    'SendSms': False,
    'ServiceTypeId': SERVICE_TYPE,
    'SiteId': da_soonest.get('id'),
    'SpanishLanguage': "N"
  })
  print(MAKE_BOOKING_BODY)
  response = requests.request('POST', MAKE_BOOKING_URL, headers=HEADERS, data=MAKE_BOOKING_BODY)
  return response.json()
  # return None


def get_available_locations():
  PAYLOAD = json.dumps({
      "CityName": "",
      "PreferredDay": 0,
      "TypeId": 71,
      "ZipCode": "78723"
  })
  URL = BASE_URL + 'AvailableLocation'
  response = requests.request('POST', URL, headers=HEADERS, data=PAYLOAD)
  return response.json()


def hold_slot_request(slot_id):
  HOLD_SLOT_URL = BASE_URL + 'HoldSlot'
  PAYLOAD = json.dumps({
    "DateOfBirth": DOB,
    "FirstName": FIRST_NAME,
    "Last4Ssn": LAST_4,
    "LastName": LAST_NAME,
    "SlotId": slot_id
  })

  print('\nHOLD_SLOT payload: ', PAYLOAD, '\n')
  response = requests.request('POST', HOLD_SLOT_URL, headers=HEADERS, data=PAYLOAD)
  return response.json()


def __main__():
    results = get_available_locations()
    da_soonest = get_soonest_date_from_locations(results)
    print('>>> Soonest Date: ', da_soonest, '\n\n')
    print('>>> Check Current Booking Against Next Availability to See if We Improved Our Time:')

    response_id = get_response_id()
    print('ResponseId: ', response_id)
    
    results = get_bookings()
    # the order is most recent bookings to older bookings
    print('>>> Print current best booking time: {}'.format(results[0].get('BookingDateTime')))
    print('>>> Confirmation: ', results[0].get('ConfirmationNumber'))
    print(results, '\n\n')

    current_booking_date = datetime.strptime(results[0]['BookingDateTime'], '%Y-%m-%dT%H:%M:%S')
    print('>>> Compare current booking with new availability (Is the New Date Earlier Than Current Booking?):')
    print('>>>> ', da_soonest.get('next_date') < current_booking_date)

    # print("(da_soonest.get('next_date') < current_booking_date)", (da_soonest.get('next_date') > current_booking_date))
    if DEV_FORCE_BOOKING or (da_soonest.get('next_date') < current_booking_date):
      print('>>> We improved our time slot, rescedule for the better position')
      print('>>> Get available timeslots for soonest location:')
      TIME_SLOTS_URL = BASE_URL + 'AvailableLocationDates'
      PAYLOAD = json.dumps({
        'LocationId': da_soonest.get('id'),
        'PreferredDay': 0,
        'SameDay': False,
        'TypeId': SERVICE_TYPE,
      })
      response = requests.request('POST', TIME_SLOTS_URL, headers=HEADERS, data=PAYLOAD)
      results = response.json()

      last_slot_of_earliest_day = results.get('LocationAvailabilityDates')[DATE_DELAY].get('AvailableTimeSlots')[TIME_SLOT]
      pp.pprint(last_slot_of_earliest_day)

      results = hold_slot_request(last_slot_of_earliest_day.get('SlotId'))
      print('>>> Hold Slot Successful: ', results.get('SlotHeldSuccessfully'))

      print('>>> Make the Booking After 2 Seconds Hold:')
      time.sleep(2)
      response = make_booking_request(last_slot_of_earliest_day, response_id, da_soonest)

      print('>>> Final Booking Response:')
      booking = response.get('Booking')
      if booking.get('ConfirmationNumber'):
        print('\n\nNew Booking on: {}, Confirmation # is {}, Site Address is {}'.format(booking.get('BookingDateTime'), booking.get('ConfirmationNumber'), booking.get('SiteAddress')))
        print('>>> You Should Be Getting a Email for This Booking From DPS')
      else:
        print('>>> New booking was not successful, response details: ', response)
    else:
      print('\n\nNo date to optimize, check again in 5 minutes...\n\n')


for i in range(60 * 24): # should run for 1 day
  print('Script has been running for: {} minutes'.format(i))
  __main__()
  time.sleep(60)

# How to Use:
# set this script on a a cronjob running every X minutes
# python3 makebooking.py

good job, you saved half of my day