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bot.js
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bot.js
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const cheerio = require('cheerio');
const jsonframe = require('jsonframe-cheerio');
const axios = require('axios');
const dotenv = require('dotenv');
const { IncomingWebhook } = require('@slack/webhook');
const app = require('http');
const frame = {
'name': "[class*='_Descripcion'] > a",
'discount': '.boxDesctoPor2',
'normal_price': "[class*='_Precios'] > [class*='_PrecioNormal']",
'offer_price': "[class*='_Precios'] > span[class*='_Precio']:first-child",
'availability': "[class*='_Disponibilidad']"
}
dotenv.config();
setInterval(() => {
console.log('=> Obteniendo página web')
axios.get('https://www.zmart.cl/Relampagos')
.then((page) => {
console.log('=> Respuesta obtenida, procesando data.')
const $ = cheerio.load(page.data);
jsonframe($);
let items = [];
$('div.ProdDisplayType5 > div > div').map((i, e) => {
let item = $(e).scrape(frame);
if (item.name == undefined) {
return;
}
try {
if (item.name.search(process.env.FILTER_TOPIC) >= 0) {
items.push(item);
}
} catch(e){}
});
console.log(`=> Se encontraron ${items.length} productos.`);
let message = ':zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap:\r\n'
+ ':zap::zap::zap: *Estas son las ofertas relámpago de hoy en Zmart* :zap::zap::zap:\r\n'
+ ':zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap::zap:\r\n\r\n\r\n';
for (let item of items) {
message += formatItemForSlack(item);
}
const url = process.env.SLACK_WEBHOOK_URL;
const webhook = new IncomingWebhook(url, {
icon_emoji: ':money_with_wings:',
username: 'Zmart Bot - Ofertas Relámpago'
});
(async () => {
await webhook.send({
text: message,
});
})();
});
}, process.env.TIMEOUT_INTERVAL);
const PORT = process.env.PORT;
app.createServer(() => {})
.listen(PORT, () => {
console.log(`App is running on port ${ PORT }, though it's useless right now.`);
});
function formatItemForSlack(item) {
return `:zap: ${item.name} (${item.availability})\r\n:tada: ${item.discount} descuento - :moneybag: ${item.normal_price} :arrow_lower_right: ${item.offer_price}\r\n\r\n\r\n\r\n`;
}