replace old crawler, without specific crawler and saver implementation

app/services/crawlerService.js

@@ -1,77 +0,0 @@
-const Promise = require("bluebird");
-const OlxCrawler = require("../helpers/crawlers/olxClawler");
-const db = require("../models/index");
-const { allMarketAlerts } = require("../helpers/db/dbHelper");
-
-async function crawlAll() {
-  try {
-    const marketAlertsFromDb = await allMarketAlerts(true);
-    const hrefs = [];
-
-    marketAlertsFromDb.map(marketAlert => {
-      if (hrefs[marketAlert.request] === undefined) {
-        hrefs[marketAlert.request] = [];
-      }
-
-      hrefs[marketAlert.request].push(marketAlert.url);
-    });
-
-    const olxCrawler = new OlxCrawler(hrefs);
-
-    const crawlers = [olxCrawler];
-
-    return Promise.map(crawlers, function(crawler) {
-      return crawler.crawl();
-    }).then(async results => {
-      try {
-        const marketAlertsFromDb = await allMarketAlerts(false, true);
-
-        const marketAlerts = [];
-        const mergedResults = [].concat.apply([], results);
-
-        for (const result of mergedResults) {
-          marketAlerts.push({
-            url: result.url,
-            realestateOrigin: "OLX",
-            originId: 1,
-            size: result.size,
-            price: result.price,
-            email: result.email,
-            request: result.uuid,
-            municipality: result.municipality,
-            region: result.region,
-            gardenSize: isNaN(result.gardenSize) ? 0 : result.gardenSize,
-            realEstateType: result.realEstateType,
-            title: result.title,
-            notified: false,
-            hasLocation: result.hasLocation
-          });
-        }
-
-        try {
-          const filteredMarketAlerts = marketAlerts.filter(
-            elem =>
-              !marketAlertsFromDb.find(({ url, request }) => {
-                return elem.url === url && elem.request === request;
-              })
-          );
-
-          await db.MarketAlert.bulkCreate(filteredMarketAlerts);
-        } catch (e) {
-          console.log(
-            "CRAWLER SERVICE: Could not bulkCreate marketalers reason: ",
-            e
-          );
-        }
-      } catch (e) {
-        console.log(
-          "CRAWLER SERVICE: Error crawling. Trying next crawler! ",
-          e
-        );
-      }
-    });
-  } catch (e) {
-    console.error("CRAWLER SERVICE:could not fetch marketalerts ", e);
-  }
-}
-module.exports = crawlAll;