Created
November 13, 2019 13:15
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| const Apify = require('apify'); | |
| (async () => { | |
| const catchDups = {}; | |
| const rootAddress = new URL('https://stores.cosmoprofbeauty.com'); | |
| const requestQueue = await Apify.openRequestQueue(); | |
| await requestQueue.addRequest({ | |
| url: rootAddress.href, | |
| userData: {requestType:'listPage'} | |
| }) | |
| const enqueueListItems = ($, requestType) =>{ | |
| return Promise.all(Array.prototype.map.call($('.map-list-item a').get(), elem => { | |
| return requestQueue.addRequest({ | |
| url: (new URL($(elem).attr('href'), rootAddress)).href, | |
| userData: {requestType} | |
| }); | |
| })); | |
| } | |
| const crawler = new Apify.CheerioCrawler({ | |
| requestQueue, | |
| handlePageFunction: async ({ request, response, html, $ }) => { | |
| if (!!catchDups[request.url]) { | |
| console.log('DUPLICATE!!!!!!!'); | |
| console.log(`visited page: ${request.url} ${request.retryCount} times, because ${request.errorMessages}`); | |
| } else { | |
| catchDups[request.url] = true; | |
| } | |
| switch (request.userData.requestType) { | |
| case 'listPage': | |
| return await enqueueListItems($, 'statePage'); | |
| case 'statePage': | |
| return await enqueueListItems($, 'cityPage'); | |
| case 'cityPage': | |
| // console.log(`Pre-promise visited page: ${request.url} ${request.retryCount} times, because ${request.errorMessages}`); | |
| return Promise.all(Array.prototype.map.call($('.map-list-item-header a').first().get(), elem => { | |
| // console.log(`visited page: ${request.url} ${request.retryCount} times, because ${request.errorMessages}`); | |
| // console.log(`Request with id: ${(new URL($(elem).attr('href'), rootAddress)).href} added`); | |
| return requestQueue.addRequest({ | |
| url: (new URL($(elem).attr('href'), rootAddress)).href, | |
| userData: {requestType: 'detailsPage'} | |
| }).then(({wasAlreadyPresent, request}) => { | |
| if (wasAlreadyPresent) { | |
| console.log(`The request with id: ${request.url} was already present`); | |
| } | |
| }); | |
| })); | |
| case 'detailsPage': | |
| break | |
| default: | |
| throw 'ERROR: Unhandled Page!' | |
| break; | |
| } | |
| }, | |
| }); | |
| await crawler.run(); | |
| })(); |
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