Automatically book 2nd dose vaccine at closest location Ontario

vax.js

/***
 *          Automated Vaccine Booker Thing
 * 
 *                          I wish everything had an API.
 * 
 *                     ____________________
 *                    /       PLEASE       \
 *                    !        READ         !
 *                    !      ENTIRELY       !
 *                    \____________________/
 *                             !  !
 *                             !  !
 *                             L_ !
 *                            / _)!
 *                           / /__L
 *                     _____/ (____)
 *                            (____)
 *                     _____  (____)
 *                          \_(____)
 *                             !  !
 *                             !  !
 *                             \__/
 *
 *        NOTE - THIS WILL AUTOMATICALLY BOOK WITH NO CONFIRMATION. 
 *           It will replace your existing 2nd dose appointment
 *                          if you have one.
 * 
 *  1. You must log in through https://covid19.ontariohealth.ca/booking-home
 *       and be eligible for 2nd dose.
 *  2. When you select the option that isn't Pharmacy, you are sent to 
 *       https://vaccine.covaxonbooking.ca/location-search
 *     You MUST be on this page as pictured: https://i.imgur.com/dfAe1sD.png
 *  3. Fill in your information below. Your location will be used for the distance
 *     calculation. Your personal info will be used to book the appointment.
 *  4. Paste the entire file into the browser's Web Developer Tools console.
 *  5. Output will be in the console. Your confirmation will be in your email on success.
 */

// YOUR INFORMATION GOES HERE:
// ***************************
let FIRSTNAME = "FNAME";
let LASTNAME = "LNAME";
let EMAIL = "your@email.com";
let PHONE = "+14165551234"; // <- in that format

let YOUR_LOCATION = {lat: 43.646723, lng: -79.413695}; // use Google Maps
let MAX_DISTANCE_METERS = 10000;
let MAX_DATE = "2021-06-27"; 
// ***************************

let cancelToken = { cancelled: false };
let cancel = () => cancelToken.cancelled = true;

let go = async (c) => { 
  const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms));
  const API = parcelRequire("bpkL").ServicesContext._currentValue.bookingService;
  API._apiCommService._baseURL = "https://api.covaxonbooking.ca/public";
  const log = (...o) => console.log(new Date().toLocaleString(), ...o);
  
  let session = {};
  try {
      session  = Object.entries(document.getElementById('root'))[3][1]._internalRoot
        .current.lastEffect.memoizedState.next.next.memoizedState;
  } catch {
      throw "Error: You MUST be on the 'Find a Vaccination Center Location - " + 
        "Enter a City, Address or Postal Code' page before running this. " +
        "Please refresh and go to that screen first.";
  }

  var successfullyBooked = false;
  while (!successfullyBooked) {
    const find_good_location = async () => {
      const result = await API.searchLocations({
        focusPoint: YOUR_LOCATION,
        fromDate: new Date,
        vaccineData: parcelRequire("8vBb").getVaccineDataAtStepOrLatest(session.vaccineData, ["screening"]),
        locationQuery: session.locationQuery || void 0,
        doseNumber: session.appointmentRescheduleFrom || session.previousAppointments.length + 1,
        includeThirdPartyLocations: true,
        cursor: "",
        limit: 20,
        locationType: "CombinedBooking"
      });
      log("looking...");
      const vloc = result.locations.find( l => l.distanceInMeters <= MAX_DISTANCE_METERS);
      if (vloc === undefined && result.locations[0] !== undefined) {
        log("closest location found is too far", result.locations[0]);
      } else {
        log("no locations found", result);
      }
      return vloc !== undefined && vloc;
    };

    var vaxLocation = false;
    while (vaxLocation === false) {
      if (c.cancelled) throw "cancelled";
      await sleep(500);
      vaxLocation = await find_good_location();
    }

    log("got a location", vaxLocation);
    const startDate = new Date();
    const endDate = new Date(MAX_DATE);
    const vaccineData = session.vaccineData.latest;
    const doseNumber = 2;

    const availabilityResponse = await API.getLocationAvailability(vaxLocation, startDate, endDate, vaccineData, doseNumber);
    const availableDate = availabilityResponse.availability.find( a => a.available );
    if (!availableDate) {
      log("no availability...", availabilityResponse);
      await sleep(500);
      continue;
    }
    log("got a date with availability", availableDate);

    const slotsResponse = await API.getLocationSlots(vaxLocation, availableDate.date, vaccineData);
    const availableSlot = slotsResponse.slotsWithAvailability.find( _ => true );
    if (availableSlot === undefined) {
      log("unable to find an available slot", slotsResponse);
      continue;
    }
    log("found a time slot", availableSlot);

    const reserveSlotResponse = await API.reserveSlot(doseNumber, vaxLocation, 
      availableDate.date, availableSlot.localStartTime, 
      vaccineData, "", session.sessionId);
    if (!reserveSlotResponse.value || !reserveSlotResponse.value.reservationId) {
      log("unable to reserve the timeslot", reserveSlotResponse);
      continue;
    }
    log("got a reserved slot", reserveSlotResponse);

    const reservationId = reserveSlotResponse.value.reservationId;

    const personalDetails = [  
      { "id": "q.patient.firstname", "value": FIRSTNAME, "type": "text" },
      { "id": "q.patient.lastname", "value": LASTNAME, "type": "text" },
      { "id": "q.patient.email", "value": EMAIL, "type": "email" },
      { "id": "q.patient.mobile", "value": PHONE, "type": "mobile-phone" }];

    const additionalQuestions = [
      {"id": "q.patient.proxy.section.hideshow","value": "No","type": "single-select"},
      {"id": "q.patient.desc.proxy.name","type": "text"},
      {"id": "q.patient.desc.proxy.phone","type": "text"},
      {"id": "q.patient.desc.relationship.to.the.client","type": "single-select"}];

    const createAppointmentResponse = await API.createAppointment({
      eligibilityQuestions: [],
      personalDetails,
      additionalQuestions,
      appointments: [ { reservationId: reservationId } ],
      oneTime: "",
      locale: "en-CA",
      externalAppointments: session.externalAppointments
    });

    log("Success! Check your email.", createAppointmentResponse);
    successfullyBooked = true;
  }
}

try {
  await go(cancelToken);
} catch (error) {
  console.error("an unexpected error occurred. try logging in again " + 
    "if the following error doesn't mean anything:\n", error);
}

// Type cancel(); in the console to stop.