Files
old-web/app/services/crawlerService.js

55 lines
1.6 KiB
JavaScript

const Promise = require("bluebird");
const OlxCrawler = require("../helpers/crawlers/olxClawler");
const db = require("../models/index");
const olxCrawler = new OlxCrawler(1, 2, 3);
const crawlers = [
olxCrawler,
];
async function crawlAll() {
Promise.map(crawlers, function (crawler) {
return crawler.crawl();
}).then(async (results) => {
try {
const marketAlertsFromDb = await db.MarketAlert.findAll();
const marketAlerts = [];
const mergedResults = [].concat.apply([], results);
for (const result of mergedResults) {
marketAlerts.push({
url: result.url,
realestateOrigin: "OLX",
originId: result.olxId,
size: result.size,
price: result.price,
email: result.email,
// lastDate: DataTypes.STRING,
municipality: result.municipality,
region: result.region,
gardenSize: result.gardenSize,
realEstateType: result.realEstateType
})
}
try {
const filteredMarketAlerts = marketAlerts.filter((elem) => !marketAlertsFromDb.find(({ url }) => elem.url === url));
await db.MarketAlert.bulkCreate(filteredMarketAlerts);
process.exit()
} catch (e) {
console.log("Could not bulkCreate marketalers reason: ", e);
}
} catch (e) {
console.log("Error crawling. Trying next crawler! ", e);
}
})
};
crawlAll();