stop crawling when existing, not renewed ad is found

app/crawler/crawl.js

@@ -18,18 +18,23 @@ const crawlers = [
     OLX_CONFIG.OLX_CRAWLER_AD_CATEGORIES,
     OLX_CONFIG.OLX_MAX_PAGES,
     OLX_CONFIG.OLX_MAX_RESULTS_PER_PAGE,
-    OLX_CONFIG.OLX_IGNORED_USERNAMES
+    OLX_CONFIG.OLX_IGNORED_USERNAMES,
+    OLX_CONFIG.OLX_DELAY_BETWEEN_PAGES
   )
 ];
 
 async function crawlAll() {
   for (let crawler of crawlers) {
     try {
-      await crawler.crawl();
+      const newRealEstates = await crawler.crawl();
+
+      console.log("Number of new real estates : ", newRealEstates.length);
     } catch (e) {
       console.log("Error crawling. Trying next crawler! ", e);
     }
   }
 }
 
-crawlAll();
+(async () => {
+  await crawlAll();
+})();