docparse-scraper-nst/lib/selectBill.js

Node Zombie based scraper to scrape bills from the NStar (supplier code "NST)" website

var rk = require('required-keys');
module.exports = function (data, cb) {
  var keys = ['billDateString', 'bro'];
  var err = rk.truthySync(data, keys);
  if (err) { return cb(err); }
  var bro = data.bro;

  var atAccountHomepage = data.atAccountHomepage;
  if (!atAccountHomepage) {
    atAccountHomepage = require('./atAccountHomepage');
  }
  var atPage = atAccountHomepage(bro);
  if (!atPage) {
    return cb('error selecting bill, not at account homepage when we should be');
  }

  var goToPrintFriendlyPage = data.goToPrintFriendlyPage;
  if (!goToPrintFriendlyPage) {
    goToPrintFriendlyPage = require('./goToPrintFriendlyPage');
  }
  var billDateString = data.billDateString;
  deselectAllBills(bro);
  bro.select('select[name=billDate]', billDateString, function (err, b) {
    bro.evaluate('document.querySelector(\'select[name="billDate"]\').form.submit()');
    bro.wait(function (err, reply) {
      goToPrintFriendlyPage(data, cb);
    });
  });
};


function deselectAllBills(bro) {
  var selectedOptions = bro.querySelectorAll('select[name=billDate] option');
  selectedOptions.map(function (option) {
    var value = option.getAttribute('value');
    option.removeAttribute('selected');
  });
}