docparse-scraper-nst/lib/selectAccount.js

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

var inspect = require('eyespect').inspector();
var async = require('async');
var getSelectedAccountData = require('./getSelectedAccountData');
module.exports = function (data, cb) {
  var maxAttemps = 2;
  var attempt = 0;
  var desiredAccountNumber = data.accountNumber;
  var output = {
    username: data.currentLogin.username,
    accountIndex: data.accountIndex,
    numAccounts: data.numAccounts
  };

  inspect(output, 'selecting account');
  var currentAccountNumber, currentAccountName;
  async.until(
    function () {
      var accountData = getSelectedAccountData(data.bro);
      if (!accountData) {
        return false;
      }
      currentAccountNumber = accountData.accountNumber;
      var accountNumberCorrect = false;
      var info = {
        currentNumber: currentAccountNumber,
        desiredNumber: desiredAccountNumber
      };
      if (desiredAccountNumber === currentAccountNumber) {
        return true;
      }
      return false;
    },
    function(selectCB) {
      attempt++;
      if (attempt > maxAttemps) {
        return selectCB('failed to select account, max number of attempts reached');
      }
      performSelectAccount(data, function (err, reply) {
        if (err) { return selectCB(err); }
        selectCB();
      });
    },
    function (err) {
      if (err) {
        inspect(err, 'done selecting account error');
        return cb(err);
      }
      cb();
    }
  );
};


function performSelectAccount (data, cb) {
  deselectAllAccounts(data.bro, function (err, reply) {
    data.bro.select('select[name="accountNumber"]', data.accountNumber, function (err, b) {
      data.bro.evaluate('document.querySelector(\'select[name="accountNumber"]\').form.submit()');
      data.bro.wait(cb);
    });
  });
}
function deselectAllAccounts(bro, cb) {
  var selectedOptions = bro.querySelectorAll('select[name=accountNumber]');
  bro.evaluate('Array.prototype.slice.call(document.querySelector(\'select[name="accountNumber"]\')).filter(function(op) { op.removeAttribute(\'selected\') });');
  bro.wait(cb);
  // selectedOptions.map(function (option) {
  //   var value = option.getAttribute('value');
  //   option.removeAttribute('selected');
  // });
  // bro.evaluate('document.querySelector(\'select[name="accountNumber"]\').form.submit()');
}