575 lines
16 KiB
JavaScript
575 lines
16 KiB
JavaScript
const Scraper = require('../helpers/scraper');
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const cheerio = require('cheerio');
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const path = require('path');
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const logger = require('log4js').getLogger('ES');
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const url = require('url');
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const querystring = require('querystring');
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const removeAccents = require('remove-accents-diacritics');
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const jsonfile = require('jsonfile');
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logger.level = process.env.LOGGER_LEVEL || 'warn';
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class ESScrape extends Scraper {
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constructor() {
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super();
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this.id = 'ES';
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this.on('done', () => {
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this._done();
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});
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this.run = this._throttle(async () => {
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await this.__run();
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}, 5000);
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if (process.env.NODE_ENV === 'production')
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this._checkLock().then((l) => {
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if(l)
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this.run();
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});
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}
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/**
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*
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* @param $
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* @returns {Promise<Array>}
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*/
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async extractPassporting($) {
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const passporting = [];
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const headerRow = $('td.tdSubtituloSeccion:contains("PAISES EN LOS QUE OPERA")').eq(0).parent().eq(0);
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const passportRows = headerRow.nextAll('tr:not([height])'); // ignore the small divider row
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passportRows.each(function(i, elem) {
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passporting.push(
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{
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'country': $(elem).find('td').eq(0).text(),
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'mode': $(elem).find('td').eq(1).text()
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}
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);
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});
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return passporting;
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}
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/**
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*
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* @param $
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* @returns {Promise<Array>}
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*/
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async extractActivities($) {
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const activities = [];
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const headerRow = $('td.tdSubtituloSeccion td.tdSubtituloSeccion:contains("ACTIVIDADES")').eq(0).parent().eq(0);
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const activityRows = headerRow.nextAll('tr:not([height])'); // ignore the small divider row
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activityRows.each(function(i, elem) {
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activities.push($(elem).text());
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});
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for (let i = 0; i < activities.length; i++)
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activities[i] = this._cleanUp(activities[i]);
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return activities;
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}
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/**
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*
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* @param $
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* @param details
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* @returns {Promise<void>}
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*/
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async extractSingleFields($, details) {
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const mainDiv = $('div#divSalida > table.tablaParametros > tbody > tr > td> table > tbody');
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details.bancoDeEspanaCode = this._cleanUp($(mainDiv).find('input[name=CODIGO]').val());
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details.bancoDeEspanaPrevCode = this._cleanUp($(mainDiv).find('input[name=CODIGO_PREVIO]').val());
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details.effectiveFrom = this._cleanUp($(mainDiv).find('input[name=FechaAlta1]').val());
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details.effectiveTo = this._cleanUp($(mainDiv).find('input[name=FechaBaja]').val());
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details.lastUpdated = this._cleanUp($(mainDiv).find('input[name=FechaActualizacion]').val());
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details.name = this._cleanUp(
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// Can't find accent in "Denominación:" so search for half the word:
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$(mainDiv).children('tr:contains("Denominaci")').nextAll().eq(0).find('textarea').text()
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);
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details.institutionType = this._cleanUp(
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$(mainDiv).children('tr:contains("Tipo de entidad:")').nextAll().eq(0).find('textarea').text()
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);
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details.address = this._cleanUp(
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$(mainDiv).children('tr:contains("Domicilio:")').nextAll().eq(0).find('textarea').text()
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);
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details.legalEntityIdentifierCode = this._cleanUp(
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$(mainDiv).find('input[name=CODIGO_PREVIO]').parent().nextAll().eq(3).children('input').val()
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);
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details.shortName = this._cleanUp(
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$(mainDiv).find('td.textoEtiqueta:contains("Nombre abreviado:")').nextAll().eq(1).children('input').val()
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);
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details.nif = this._cleanUp(
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$(mainDiv).find('td.textoEtiqueta:contains("N.I.F.:")').nextAll().eq(1).find('td.textoCampo input').val()
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);
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// Can't find "Teléfono", probably due to accent. Search for "fono" instead.
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details.telephone = this._cleanUp(
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$(mainDiv).find('td.textoEtiqueta:contains("fono:")').nextAll().eq(1).find('td.textoCampo input').val()
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);
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details.fax = this._cleanUp(
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$(mainDiv).find('td.textoEtiqueta:contains("Fax:")').nextAll().eq(1).find('td.textoCampo input').val()
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);
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details.website = this._cleanUp(
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$(mainDiv).find('td.textoEtiqueta:contains("Dom. / Dir. Internet:")').nextAll().eq(1).find('a').text()
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);
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details.safeguardOfFunds = this._cleanUp(
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$(mainDiv).find('td.tdSubtituloSeccion:contains("SALVAGUARDA DE FONDOS")').parent().nextAll('tr').eq(1).text()
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);
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details.financialExclusivity = this._cleanUp(
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$(mainDiv).find('td.tdSubtituloSeccion:contains("EXCLUSIVIDAD FINANCIERA")').parent().nextAll('tr').eq(1).text()
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);
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if ($(mainDiv).find('li.textoAvisoResaltado').length > 0)
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details.notice = this._cleanUp(
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$(mainDiv).find('li.textoAvisoResaltado').text()
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);
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else
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details.notice = '';
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}
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/**
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*
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* @param html
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* @returns {Promise<void>}
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*/
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async extractEntityDetails(html) {
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const details = {};
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const $ = cheerio.load(html);
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try {
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await this.extractSingleFields($, details);
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details.activities = await this.extractActivities($);
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details.passporting = await this.extractPassporting($);
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}
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catch (err) {
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logger.error(err);
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}
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return details;
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}
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/**
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*
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* @param serviceObject
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* @returns {Promise<void>}
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*/
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async processIndex(serviceObject) {
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const noResultsSelector = '//td[@class="textoEtiqueta"][contains(text(), "NO SE HAN ENCONTRADO ENTIDADES SEGUN LOS CRITERIOS DE BUSQUEDA.")]';
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const paginationRowSelector = '//table[@class="tablaResultados"]//td[@colspan="4"]';
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await this._randomWait(this.page, 3, 5);
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// pagination row is the last to load, so wait for that before scraping the links
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// Sometimes the row is empty, so look for the surrounding td with `colspan=4`
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// also look for the "no results" notice in case the result set is empty
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await this.page.waitForXPath(`${noResultsSelector} | ${paginationRowSelector}`);
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logger.info(`Taking screenshot of ${this.modeTitles[this.mode]} index, url ${serviceObject.indexStep}, page ${serviceObject.paginationStep}...`);
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const filename = this.modeNames[this.mode];
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this._makeScreenshotV2(this.page, `${this.path}/${filename}_main_${serviceObject.indexStep}_${serviceObject.paginationStep}`, null);
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if (this.page.$x(noResultsSelector).length > 0) {
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logger.info(`Results page ${serviceObject.indexStep} for ${this.modeNames[this.mode]} is empty`);
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return;
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}
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// TODO: handle when the table loads, but the entity links are missing (happens occasionally)
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const body = await this.page.content();
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const $ = cheerio.load(body);
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const links = $('table.tablaResultados tr.estilofila a');
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links.each((i, item) => {
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const href = $(item).attr('href');
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// ignore any javascript print links
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if (href.startsWith('javascript'))
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return;
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const text = $(item).text().trim();
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const newUrl = `http://app.bde.es${href}`;
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const id = this._makeFieldName(text);
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serviceObject.links.push({ 'name':text, 'href':newUrl, 'id':id });
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});
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}
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/**
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*
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* @param serviceObject
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* @returns {Promise<void>}
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*/
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async buildIndex(serviceObject) {
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await this._randomWait(this.page, 6, 9);
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logger.info(`Building the ${this.modeTitles[this.mode]} index, url ${serviceObject.indexStep}, page ${serviceObject.paginationStep}...`);
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await this.processIndex(serviceObject);
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const nextButtons = await this.page.$x('//a[contains(text(), \'Siguiente\')]');
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if (nextButtons.length > 0) {
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serviceObject.paginationStep++;
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await nextButtons[0].click();
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}
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else if (serviceObject.indexStep < serviceObject.urls.length - 1) {
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serviceObject.indexStep++;
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serviceObject.paginationStep = 0;
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const newUrl = serviceObject.urls[serviceObject.indexStep];
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await this._goto(newUrl);
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}
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else
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this.emit('indexdone');
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}
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/**
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*
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* @returns {Promise<void>}
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*/
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async indexRedirector() {
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logger.debug('>> indexRedirector');
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switch (this.mode) {
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case 0:
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await this.buildIndex(this.paymentServices);
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break;
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case 1:
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await this.buildIndex(this.emoneyServices);
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break;
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case 2:
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await this.buildIndex(this.creditServices);
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break;
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}
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}
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/**
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*
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* @param serviceObject
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* @returns {Promise<void>}
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*/
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async processEntityDetails(serviceObject) {
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const noWhiteSpace = /\W/g;
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const { name, id } = serviceObject.links[serviceObject.step];
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logger.info(`Process ${this.modeTitles[this.mode]} entity ${serviceObject.step + 1} of ${serviceObject.items} // ${name}`);
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await this.page.waitForSelector('td.tdContenido', { 'visible':true, 'timeout':7500 }); // Wait for buttons at bottom of table to be visible
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await this._randomWait(this.page, 3, 5);
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const entity = removeAccents.remove(id.trim());
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const filename = [this.modePrefix[this.mode], entity.replace(noWhiteSpace, '_')].join('');
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const filePath = `${this.path}/${filename}`.substring(0, 240);
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await this._randomWait(this.page, 3, 5);
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logger.info(`Taking screenshot of ${this.modeTitles[this.mode]} entity ${serviceObject.step + 1} of ${serviceObject.items} // ${name}`);
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await this._makeScreenshotV2(this.page, `${filePath}_main`, null);
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const body = await this.page.content();
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const details = await this.extractEntityDetails(body);
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await jsonfile.writeFile(`${filePath}.json`, { details });
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await this._randomWait(this.page, 3, 5);
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serviceObject.links[serviceObject.step].filename = `${filename}.json`;
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serviceObject.step++;
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if (serviceObject.step < serviceObject.items) {
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const newUrl = serviceObject.links[serviceObject.step].href;
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await this._goto(newUrl);
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}
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else
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this.emit('serviceDone');
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}
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/**
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*
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* @returns {Promise<void>}
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*/
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async processRedirector() {
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switch (this.mode) {
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case 0:
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await this.processEntityDetails(this.paymentServices);
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break;
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case 1:
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await this.processEntityDetails(this.emoneyServices);
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break;
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case 2:
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await this.processEntityDetails(this.creditServices);
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break;
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}
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}
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/**
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*
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* @returns {Promise<void>}
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*/
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async processNewPage() {
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// give the page a few seconds to settle
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await this._randomWait(this.page, 3, 5);
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const pageUrl = url.parse(await this.page.url());
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if (pageUrl.href === 'chrome-error://chromewebdata/') {
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logger.warn('Directed to: chrome-error://chromewebdata/');
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this.emit('recover');
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return;
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}
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const qstring = querystring.parse(pageUrl.search);
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if ('TIPO' in qstring) // 'type'
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await this.indexRedirector();
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else if ('CODBE' in qstring) // 'code'
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await this.processRedirector();
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else {
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await this._uploadError();
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throw new Error(`Unknown page: ${pageUrl}`);
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}
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}
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/**
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*
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* @returns {Promise<void>}
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*/
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async attachEvents() {
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this.on('serviceDone', async function() {
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switch (this.mode) {
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case 0:
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this.emit('paymentServicesDone');
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break;
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case 1:
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this.emit('emoneyServicesDone');
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break;
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case 2:
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this.emit('creditServicesDone');
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break;
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}
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});
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this.on('psindexdone', async () => {
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this.paymentServices.items = this.paymentServices.links.length;
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logger.info(`${this.paymentServices.items} paymentServices items indexed`);
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const newUrl = this.paymentServices.links[this.paymentServices.step].href;
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await this._goto(newUrl);
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});
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this.on('emindexdone', async () => {
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this.emoneyServices.items = this.emoneyServices.links.length;
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logger.info(`${this.emoneyServices.items} emoneyServices items indexed`);
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const newUrl = this.emoneyServices.links[this.emoneyServices.step].href;
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await this._goto(newUrl);
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});
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this.on('ciindexdone', async () => {
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this.creditServices.items = this.creditServices.links.length;
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logger.info(`${this.creditServices.items} creditServices items indexed`);
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const newUrl = this.creditServices.links[this.creditServices.step].href;
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await this._goto(newUrl);
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});
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this.on('indexdone', async () => {
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switch (this.mode) {
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case 0:
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this.emit('psindexdone');
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break;
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case 1:
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this.emit('emindexdone');
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break;
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case 2:
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this.emit('ciindexdone');
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break;
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}
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});
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this.on('paymentServicesDone', async () => {
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logger.warn('paymentServicesDone');
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try{
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this.paymentServices.done = true;
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jsonfile.writeFileSync(`${this.path}/paymentServices.json`, { 'links': this.paymentServices.links });
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jsonfile.writeFileSync(`${this.debugPath}/paymentServices.json`, this.paymentServices);
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this.mode++;
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this.inProgress = false;
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await this._goto(this.emoneyServices.urls[0]);
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}
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catch (e) {
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logger.error(e);
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}
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});
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this.on('emoneyServicesDone', async () => {
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logger.warn('emoneyServicesDone');
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try{
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this.emoneyServices.done = true;
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jsonfile.writeFileSync(`${this.path}/emoneyServices.json`, { 'links':this.emoneyServices.links });
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jsonfile.writeFileSync(`${this.debugPath}/emoneyServices.json`, this.emoneyServices);
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this.mode++;
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this.inProgress = false;
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await this._goto(this.creditServices.urls[0]);
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}
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catch (e) {
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logger.error(e);
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}
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});
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this.on('creditServicesDone', async () => {
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logger.warn('creditServicesDone');
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try{
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this.creditServices.done = true;
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jsonfile.writeFileSync(`${this.path}/creditServices.json`, { 'links':this.creditServices.links });
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jsonfile.writeFileSync(`${this.debugPath}/creditServices.json`, this.creditServices);
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this.mode++;
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this.inProgress = false;
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this.emit('done');
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}
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catch (e) {
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logger.error(e);
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}
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});
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}
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/**
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*
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* @returns {Promise<void>}
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*/
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async start() {
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super._start();
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try {
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this.mode = 0;
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this.paymentServices = {
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'items': 0,
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'links': [],
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'step': 0,
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'indexStep': 0,
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'paginationStep': 0,
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'visited': false,
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'done' : false,
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'urls': [
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'http://app.bde.es/ren/app/Search?CFG=ConsultaEntidadesCon.xml&TipoFormato=XSL&Paginate=OPEN&TIPO=EP&DONDE=11&LEI=&ORDEN=2&RADIO=0', // Payment Entities
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'http://app.bde.es/ren/app/Search?CFG=ConsultaEntidadesCon.xml&TipoFormato=XSL&Paginate=OPEN&TIPO=EPH&DONDE=11&LEI=&ORDEN=2&RADIO=0' // Hybrid Payment Entities
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],
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'sections' : [],
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'sectionLinks' : []
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};
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this.emoneyServices = {
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'items': 0,
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'links': [],
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'step': 0,
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'indexStep': 0,
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'paginationStep': 0,
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'visited': false,
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'done' : false,
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'urls': ['http://app.bde.es/ren/app/Search?CFG=ConsultaEntidadesCon.xml&TipoFormato=XSL&Paginate=OPEN&TIPO=EDE&DONDE=11&LEI=&ORDEN=2&RADIO=0'], // Electronic Money Entities
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'sections' : [],
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'sectionLinks' : []
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};
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this.creditServices = {
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'items': 0,
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'links': [],
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'step': 0,
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'indexStep': 0,
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'paginationStep': 0,
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'visited': false,
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'done' : false,
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'urls': ['http://app.bde.es/ren/app/Search?CFG=ConsultaEntidadesCon.xml&TipoFormato=XSL&Paginate=OPEN&TIPO=BP&DONDE=11&LEI=&ORDEN=2&RADIO=0'], // Credit institutions
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'sections' : [],
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'sectionLinks' : []
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};
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this.startPage = this.paymentServices.urls[0];
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this.emoneyUrl = this.emoneyServices.urls[0];
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this.credit = this.creditServices.urls[0];
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|
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this.setPath(path.resolve(`${__dirname }/../artefacts/ES/BE`));
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|
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await this._doNonRepudiation().catch((err) => {
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logger.warn(err);
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|
});
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|
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await this._initBrowser();
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|
await this._createBrowserPage();
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|
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this.page.on('domcontentloaded', this._throttle(async () => {
|
|
this.processNewPage().catch((err) => {
|
|
logger.error('processNewPage fail', err);
|
|
});
|
|
}, 2500));
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|
|
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if (this.eventNames().length === 2)
|
|
await this.attachEvents();
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|
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await this.page.setViewport({ 'width': 1200, 'height': 800 });
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|
await this._goto(this.startPage, { 'waitUntil':'networkidle0' });
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|
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|
await this._randomWait(this.page, 3, 5);
|
|
}
|
|
catch(e) {
|
|
throw new Error(e);
|
|
}
|
|
}
|
|
|
|
async __run() {
|
|
await this.start();
|
|
}
|
|
}
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|
|
|
module.exports = ESScrape;
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