mirror of
https://github.com/FranP-code/shopping-discord-bot.git
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first version of prices command done
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193
commands/price.js
Normal file
193
commands/price.js
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const { SlashCommandSubcommandBuilder, hyperlink, bold } = require('discord.js');
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const puppeteer = require('puppeteer');
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const jsdom = require('jsdom');
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const countryData = {
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'ar': {
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name: 'Argentina',
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currency: 'ARS',
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pages: [
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{
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name: 'Mercado Libre (Argentina)',
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searchUrl: 'https://listado.mercadolibre.com.ar/%S#D%5BA:%S',
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productUrl: 'https://articulo.mercadolibre.com.ar%S',
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selectors: {
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container: 'div.andes-card.ui-search-result',
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link: 'a.ui-search-link',
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price: 'span.price-tag-fraction',
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title: 'h2.ui-search-item__title.shops__item-title',
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},
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},
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],
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},
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'us': {
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name: 'United States',
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currency: 'USD',
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pages: [
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{
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name: 'Amazon (United States)',
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searchUrl: 'https://www.amazon.com/s?k=%S',
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productUrl: 'https://www.amazon.com%S',
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selectors: {
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container: 'div.s-card-container > div.a-section > div.sg-row',
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link: 'h2.a-size-mini a.a-link-normal',
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price: 'span.a-price span.a-offscreen',
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title: 'h2.a-size-mini span.a-size-medium',
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},
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},
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],
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},
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'cl': {
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name: 'Chile',
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currency: 'CLP',
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pages: [
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{
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name: 'Falabella',
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searchUrl: 'https://www.falabella.com/falabella-cl/search?Ntt=%S',
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productUrl: 'https://www.falabella.com%S',
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selectors: {
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container: 'div.pod-4_GRID',
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link: 'a',
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price: 'div.prices span.copy10',
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title: 'div.pod-details a.pod-link span > b.pod-subTitle',
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},
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},
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],
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},
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};
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const pages = Object.values(countryData).map((country) => country.pages).flat(1);
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const responses = {
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'extractedFrom': {
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'en-US': 'Prices extracted from:',
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'es-ES': 'Precios extraídos de:',
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},
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'missingPlatform': {
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'en-US': 'ERROR: Platform don\'t found!!',
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'es-ES': 'ERROR: Plataforma no encontrada!!',
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},
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};
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const ELEMENTS_LIMIT = 3;
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module.exports = {
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data: new SlashCommandSubcommandBuilder()
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.setName('prices')
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.setNameLocalizations({
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'es-ES': 'precios',
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})
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.setDescription('Get the prices of a product')
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.setDescriptionLocalizations({
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'es-ES': 'Consigue los precios de algún producto',
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})
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.addStringOption(option => option
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.setName('product')
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.setNameLocalizations({
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'es-ES': 'producto',
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})
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.setDescription('Product that you want to search')
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.setDescriptionLocalizations({
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'es-ES': 'Producto que quieres buscar',
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})
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.setRequired(true)
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.setMaxLength(200))
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.addStringOption(option => option
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.setName('country')
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.setNameLocalizations({
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'es-ES': 'país',
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})
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.setDescription('Country where search the prices')
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.setDescriptionLocalizations({
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'es-ES': 'País en donde encontrar los precios',
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})
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.addChoices(
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...Object.entries(countryData).map(([key, value]) => ({
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name: value.name,
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value: key,
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})),
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))
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.addStringOption(option => option
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.setName('platform')
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.setNameLocalizations({
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'es-ES': 'plataforma',
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})
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.setDescription('Specify a platform to search')
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.setDescriptionLocalizations({
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'es-ES': 'Especificar una plataforma para la busqueda',
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})
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.setMaxLength(200)
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.setAutocomplete(true),
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),
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async autocomplete(interaction) {
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const focusedValue = interaction.options.getFocused();
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const country = interaction.options.getString('country');
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const choices = (country ? countryData[country].pages : pages).map(page => (page.name));
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const filtered = choices.filter(choice => choice.startsWith(focusedValue));
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await interaction.respond(
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filtered.map(choice => ({ name: choice, value: choice })),
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);
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},
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async execute(interaction) {
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await interaction.deferReply();
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const product = interaction.options.getString('product');
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const platform = interaction.options.getString('platform');
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if (platform && !pages.some(page => (page.name === platform))) {
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await interaction.editReply(responses.missingPlatform[interaction.locale]);
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return;
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}
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const country = interaction.options.getString('country') ||
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(platform ?
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Object.entries(countryData)
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.map(([key, value]) => value.pages.some(page => page.name === platform) ? key : false)
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.filter(a => a)[0]
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: 'us'
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);
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const countryPages = countryData[country].pages.filter(countryPage => platform ? countryPage.name === platform : countryPage);
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const productPrices = [];
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const pagesScraped = [];
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try {
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for (const countryPage of countryPages) {
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const browser = await puppeteer.launch() ;
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const page = await browser.newPage();
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const response = await page.goto(
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countryPage.searchUrl.replace('%S', product), { waitUntil: 'domcontentloaded' },
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);
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const body = await response.text();
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const { window: { document } } = new jsdom.JSDOM(body);
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document.querySelectorAll(countryPage.selectors.container)
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.forEach((element) => {
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if (productPrices.length >= ELEMENTS_LIMIT) {
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return;
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}
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try {
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const productRelativePath = element
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.querySelector(countryPage.selectors.link)
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.getAttribute('href')
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.replace(/.*\/\/[^/]*/, '');
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const link = hyperlink(
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element.querySelector(countryPage.selectors.title).textContent,
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countryPage.productUrl.replace('%S', productRelativePath),
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);
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const priceNumber = element.querySelector(countryPage.selectors.price).textContent.replace('$', '').replace(' ', '');
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const price = `${countryData[country].currency} ${bold(priceNumber)}`;
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productPrices.push(`${link} - ${price}`);
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}
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catch (err) {
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console.log(`FUCK ${countryPage.name} MAQUETATION`);
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console.log(err);
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}
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});
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await browser.close();
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pagesScraped.push(countryPage.name);
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}
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}
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catch (err) {
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console.error(err);
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}
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await interaction.editReply(`${responses.extractedFrom[interaction.locale || 'en-US']} ${pagesScraped.join(' ')}\n\n${productPrices.join('\n')}`);
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},
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};
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