check the vaccine sites with less carpal tunnel

vaccinebot.js

const puppeteer = require('puppeteer');

// CONFIG
const ZIPCODE = "11222";
const REFRESH_MS = 30000;
const ENABLED = {
   northwell: true,
   walgreens: true,
   nyc: true,
   cvs: true 
}


const logWithTime = (msg, bell) => {
   const timestamp = new Date().toLocaleTimeString();
   const bellstring = bell ? "\007" : "";
   console.log(`[${timestamp}] ${msg} `+bellstring);
}

const initWalgreens = async (page) => {
   
   await page.goto('https://www.walgreens.com/findcare/vaccination/covid-19', { waitUntil: 'domcontentloaded' });
   console.log("WALGREENS\ncomplete forms until you arrive the appointment scheduling step, then script will automatically continue");
   await page.waitForFunction('document.querySelector("h1") && document.querySelector("h1").innerText.includes("Let’s check COVID-19 vaccine availability in your area.")', {timeout: 0});
   console.log("[ok!]\n");
   return page;
}

const runWalgreens = async (page) => {

   const trySearch = async () => {
      await page.evaluate((zip) => {
         const inputEl = document.querySelector('#inputLocation');
         inputEl.value = zip;
      }, ZIPCODE);
      const [buttonEl] = await page.$x('//*[@id="wag-body-main-container"]/section/section/section/section/section[2]/div/span/button');
      await buttonEl.click();

      await page.waitForTimeout(2000);
      const [unavailableEl] = await page.$x('//*[@id="wag-body-main-container"]/section/section/section/section/div/a/span[2]/p[contains(text(),"Appointments unavailable")]');
      if(unavailableEl){
         logWithTime(`walgreens: no`);
      }
      else{
         logWithTime(`WALGREENS: YES`);
      }
   }
   setInterval(trySearch, REFRESH_MS);
}

const initNorthwell = async (page) => {
   await page.setDefaultNavigationTimeout(0);
   await page.goto('https://northwellvaccine.force.com/s/?id=a1T4x000007TQSKEA4', { waitUntil: 'domcontentloaded' });
   console.log("NORTHWELL")
   console.log("[ok!]\n");
   return page;
}

const runNorthwell = async (page) => {
   const trySearch = async () => {
      await page.reload({ waitUntil: ["networkidle0", "domcontentloaded"] });
      const [unavailableEl] = await page.$x('/html/body/div[3]/div[2]/div/div[2]/div/div/div[2]/div/div/p[contains(text(),"COVID-19 vaccine appointments are currently filled")]');
      if(unavailableEl){
         logWithTime(`northwell: no`);
      }
      else{
         logWithTime(`NORTHWELL: YES`, true);
      }
   }
   page.on('dialog', async dialog => {
      await dialog.accept();
   });
   setInterval(trySearch, REFRESH_MS);
}

const initNYC = async (page) => {
   await page.setDefaultNavigationTimeout(0);
   await page.goto('https://vax4nyc.nyc.gov/patient/s/vaccination-schedule', { waitUntil: 'domcontentloaded' });
   console.log("NYC:\ncomplete forms until you arrive the appointment scheduling step, then script will automatically continue");
   await page.waitForXPath('//*[@id="main-content-0"]/div/div[3]/div/div/c-vcms-schedule-flow/main/div[2]/section[1]/div/section/c-vcms-book-appointment/article/h1[contains(text(),"Schedule an Appointment")]', {timeout: 0});
   console.log("[ok!]\n");
   return page;
}

const runNYC = async (page) => {
   const trySearch = async () => {
      const [inputEl] = await page.$x('//*[@id="main-content-0"]/div/div[3]/div/div/c-vcms-schedule-flow/main/div[2]/section[1]/div/section/c-vcms-book-appointment/article/div[1]/div[2]/lightning-input/div/input');
      await inputEl.focus();
      await inputEl.click({ clickCount: 3 })
      await inputEl.type(ZIPCODE);

      await page.waitForTimeout(2000);
      const [unavailableEl] = await page.$x('//*[@id="main-content-0"]/div/div[3]/div/div/c-vcms-schedule-flow/main/div[2]/section[1]/div/section/c-vcms-book-appointment/article/div[4]/div[1]/span/strong[contains(text(),"No appointments are currently available.")]');
      if(unavailableEl){
         logWithTime(`nyc: no`);
      }
      else{
         logWithTime(`NYC: YES`, true);
      }
   }
   setInterval(trySearch, REFRESH_MS);
}

const initCVS = async (page) => {
   await page.setDefaultNavigationTimeout(0);
   await page.goto('https://www.cvs.com/immunizations/covid-19-vaccine', { waitUntil: 'domcontentloaded' });
   console.log("CVS:\ncomplete forms until you arrive the appointment scheduling step, then script will automatically continue");
   await page.waitForXPath('//*[@id="content"]/div[1]/div[2]/h2[contains(text(),"Schedule dose")]', {timeout: 0});
   console.log("[ok!]\n");
   return page;
}

const runCVS = async (page) => {
   const trySearch = async () => {
      const [inputEl] = await page.$x('//*[@id="address"]');
      await inputEl.focus();
      await inputEl.click({ clickCount: 3 })
      await inputEl.type(ZIPCODE);
      const [buttonEl] = await page.$x('//*[@id="generic"]/div/div/div[1]/button');
      await buttonEl.click();

      await page.waitForTimeout(2000);
      const [unavailableEl] = await page.$x('//*[@id="content"]/div[2]/cvs-store-locator/div/div/div[2]/p[contains(text(),"sorry, there are currently no appointments")]');
      if(unavailableEl){
         logWithTime(`cvs: no`);
      }
      else{
         // CVS site is glitchy
         const [error1El] = await page.$x('//*[@id="banner_alert"]/div[2]/p[2][contains(text(),"This service is temporarily unavailable")]');
         const [error2El] = await page.$x('//*[@id="banner_alert"]/div[2]/p[2][contains(text(),"Please try again later")]');
         if(error1El || error2El){
            logWithTime(`cvs: error, retrying`);
            page.goBack({ waitUntil: 'domcontentloaded' })
         }
         else{
            logWithTime('CVS: YES', true);
         }
      }
   }
   setInterval(trySearch, REFRESH_MS);
}


const launchBrowserAndGetPage = async() => {
   const browser = await puppeteer.launch({
      headless: false,
      args: [
         '--disable-background-timer-throttling',
         '--disable-backgrounding-occluded-windows',
         '--disable-renderer-backgrounding'
      ]
   });
   const newPage = await browser.newPage();
   return newPage;
}

async function init(){
   console.log('\n\n');
   console.log('##########################################');
   console.log('NYC VACCINE BOT');
   console.log('##########################################');
   console.log('\n');

   if(ENABLED.walgreens){
      const walgreensPage = await launchBrowserAndGetPage();
      runWalgreens(await initWalgreens(walgreensPage));
   }

   if(ENABLED.cvs){
      const cvsPage = await launchBrowserAndGetPage();
      runCVS(await initCVS(cvsPage));
   }

   if(ENABLED.nyc){
      const nycPage = await launchBrowserAndGetPage();
      runNYC(await initNYC(nycPage));
   }
   
   if(ENABLED.northwell){
      const northwellPage = await launchBrowserAndGetPage();
      runNorthwell(await initNorthwell(northwellPage));   
   }
}
init();

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