commentFunc.js

const puppeteer = require('puppeteer');
const axios = require('axios');
const { parseString } = require('xml2js');
const stateAbbreviations = require('states-abbreviations');

const getState = zip => new Promise(async (resolve, reject) => {
  axios.get('https://secure.shippingapis.com/ShippingAPI.dll?', {
    params: {
      API: 'CityStateLookup',
      xml: `<CityStateLookupRequest USERID="661DEMAN2298"><ZipCode ID="0"><Zip5>${zip}</Zip5></ZipCode></CityStateLookupRequest>`
    }
  })
    .then((response) => {
      const xml = response.data;
      parseString(xml, (err, result) => {
        const zipStateCityObj = result.CityStateLookupResponse.ZipCode[0];
        const state = zipStateCityObj.State[0];
        const stateFullName = stateAbbreviations[state];
        resolve({ stateFullName });
      });
    })
    .catch((error) => {
      reject(error);
    });
});

const postComment = reqBody => new Promise(
  async (resolve, reject) => {
    const {
      first_name, last_name, email, zip, fcc_comment 
    } = reqBody;

    const cityStateObj = await getState(zip);
    const { stateFullName } = cityStateObj;

    const browser = await puppeteer.launch({
      args: ['--no-sandbox', '--disable-setuid-sandbox'],
    });

    const page = await browser.newPage();
    try {
      await page.goto('https://www.regulations.gov/comment?D=FTC-2018-0049-0001', { waitUntil: 'networkidle0' })
      await page.type('#x-auto-0-input', fcc_comment);
      await page.type('#x-auto-1-input', first_name);
      await page.type('#x-auto-2-input', last_name);
      await page.type('#x-auto-6-input', stateFullName.trim());
      await page.type('#x-auto-8-input', zip);
      await page.type('#x-auto-10-input', email);

      await page.evaluate((form) => {
        form.click();
      }, (await page.$x('/html/body/div[3]/div[2]/div[2]/div[3]/div/div[3]/div[1]/form/div[5]/span/button'))[0])
      await page.click('#gwt-uid-250');
      await page.click('#gwt-uid-382');
      await page.waitFor(3000);
      await page.type('#x-auto-21-input', email);
      await page.evaluate((form) => {
        form.click();
      }, (await page.$x('/html/body/div[3]/div[2]/div[2]/div[3]/div/div[3]/div[3]/div[1]/div/div[1]/button'))[0])
      await browser.close();
      await resolve('completed');
    } catch (error) {
      reject(error);
      browser.close();
    }
  },
);

module.exports = postComment;