old-web/app/services/crawlerService.js

// import OlxCrawler from '../helpers/crawlers/olixClawler'
const OlxCrawler = require("../helpers/crawlers/olxClawler");
const db = require("../models/index");
const MarketAlert = require("../models/marketalert");

const crawlers = [
    new OlxCrawler(1, 2, 3),
    // new OlxCrawler(process.env.OLX_FROM_PAGE, process.env.OLX_TO_PAGE, process.env.OLX_MAX_RESULTS),
  ];

  async function crawlAll() {
    console.log(db.MarketAlert);

    for (let crawler of crawlers) {
      try {
        let results = await crawler.crawl();

        for (const result of results) {

            const newMAlert = Object.assign({}, MarketAlert)
            console.log(newMAlert);
            db.MarketAlert.bulkCreate( [{

            }])
        }
        // for (let saver of savers) {
        //   try {
        //     await saver.connect();
        //     await saver.save(results);
        //   } catch (e) {
        //     console.log("Error saving. Trying next saver! ", e);
        //   }
        // }
      } catch (e) {
        console.log("Error crawling. Trying next crawler! ", e);
      }
    }
   
  
    for (let saver of savers) {
      saver.close();
    }
  }
  
  crawlAll();