Added hrefs to global varialbe

Added node schedule to run crawler and notification service

See merge request saburly/marketalarm/web!21

README.md

@@ -34,3 +34,10 @@ this will create and run postgres image and then execute migrations
 
 5. Run app  
 `npm start` or `npm run start-mon` to run app with automatic restart on code change
+
+
+### AWS SES
+
+    - AWS SES credentials are handled with env vratiables
+    - Notification emails are sent in batches of 50, by using SES templates
+    - Make sure that you are using different templates for different envirorments

app/helpers/awsEmail.js

@@ -2,6 +2,7 @@
 const dotenv = require('dotenv').config();
 const { getRealEstateTypeEnum } = require('./enums');
 const { getRegionName, getMunicipalityName } = require('./codes');
+const { allRERequestByUiid } = require('./db/dbHelper');
 var AWS = require('aws-sdk');
 const TEMPLATE_NAME = "MarketAlertTemplate"
 
@@ -37,7 +38,7 @@ const sendTemplatedEmail = async (email, request) => {
       },
       Subject: {
         Charset: 'UTF-8',
-        Data: `Javimi Potvrda: ${request.realEstateType} ${getRegionName(request.region)}, ${getMunicipalityName(request.region, request.municipality)}`
+        Data: `Javimi Potvrda: ${getSubject(request.realEstateType, request.region, request.municipality)}`
       }
     },
     Source: process.env.SOURCE_EMAIL, /* required */
@@ -97,26 +98,65 @@ const sendBulkEmail = async (marketAlerts) => {
   try {
 
     destinations = []
-    groupedEmails = [];
+    groupedRERequests = [];
 
-    marketAlerts.forEach(marketAlert => {
-      if (!groupedEmails[marketAlert.email]) {
-        groupedEmails[marketAlert.email] = [];
-        groupedEmails[marketAlert.email].push({ url: marketAlert.url, title: marketAlert.title });
-      } else {
-        groupedEmails[marketAlert.email].push({ url: marketAlert.url, title: marketAlert.title });
-      }
+
+    const RERequestUuidsMaped = marketAlerts.map(marketAlert => marketAlert.request);
+
+    const RERequestUuidsArray = Array.from(new Set(RERequestUuidsMaped));
+
+    const RERequestUuids = RERequestUuidsArray.map(marketAlert => {
+      return { uniqueId: marketAlert }
     });
 
-    for (email in groupedEmails) {
+    const RERequest = await allRERequestByUiid(RERequestUuids);
+    const requestDataValues = [];
 
-      const url = groupedEmails[email];
-      let repData = `{ "marketAlertUrl":[${toAWSArray(url)}], "favoriteanimal":"yak" }`
+    RERequest.forEach(RERequest => {
+      var formatedRequest = {};
+      formatedRequest[RERequest.uniqueId] =
+        requestDataValues[RERequest.uniqueId] = {
+          realEstateType: RERequest.realEstateType,
+          region: RERequest.region,
+          municipality: RERequest.municipality
+        };
+    });
+
+    marketAlerts.forEach(marketAlert => {
+
+      const requestObject = {
+        email: marketAlert.email,
+        realEstateType: requestDataValues[marketAlert.request].realEstateType,
+        municipality: requestDataValues[marketAlert.request].municipality,
+        region: requestDataValues[marketAlert.request].region,
+      }
+
+      if (!groupedRERequests[marketAlert.request]) {
+        groupedRERequests[marketAlert.request] = {
+          requestObject: requestObject,
+          marketAlertArray: []
+        };
+      }
+
+      groupedRERequests[marketAlert.request].marketAlertArray.push({
+        url: marketAlert.url,
+        title: marketAlert.title,
+      });
+    });
+    for (request in groupedRERequests) {
+
+      const marketAlert = groupedRERequests[request];
+      let extractedData = toAWSArray(marketAlert.marketAlertArray);
+      const realEstateType = getRealEstateTypeEnum(marketAlert.requestObject.realEstateType).title;
+      const region = getRegionName(marketAlert.requestObject.region);
+      const municipality = getMunicipalityName(marketAlert.requestObject.region, marketAlert.requestObject.municipality);
+
+      let repData = `{ "marketAlertUrl":[${extractedData}], "realestateType":"${realEstateType}", "region":"${region}", "municipality":"${municipality}" }`
 
       destinations.push({
         Destination: {
           ToAddresses: [
-            email
+            marketAlert.requestObject.email
           ]
         },
         ReplacementTemplateData: repData
@@ -147,18 +187,17 @@ const sendBulkEmail = async (marketAlerts) => {
   } catch (e) {
     console.log("Could not send bulk email", e)
   }
-
-
 }
 
 const toAWSArray = (urlArray) => {
+
   let arrayString = ""
   urlArray.forEach(element => {
     const formatetdTitle = element.title.replace(/"/g, "");
     arrayString = arrayString + `{"url":"${element.url.trim()}" , "title":"${formatetdTitle}"},`
   });
-
   return arrayString.slice(0, -1);
+
 }
 
 const getNotificationEmailHtml = () => {
@@ -179,8 +218,8 @@ const getNotificationEmailText = () => {
 const createMarketAlertEmailTemplate = async () => {
   const marketAlertTemplate = {
     Template: {
-      TemplateName: "MarketAlertTemplate",
-      SubjectPart: "Javi mi obavijest",
+      TemplateName: TEMPLATE_NAME,
+      SubjectPart: "Javi mi obavijest: {{realestateType}}, {{region}}, {{municipality}}",
       TextPart: getNotificationEmailText(),
       HtmlPart: getNotificationEmailHtml()
     }
@@ -195,6 +234,10 @@ const createMarketAlertEmailTemplate = async () => {
   }
 }
 
+const getSubject = (realEstateType, region, municipality) => {
+  return `${getRealEstateTypeEnum(realEstateType).title} ${getRegionName(region)}, ${getMunicipalityName(region, municipality)}`
+}
+
 module.exports = {
   sendTemplatedEmail,
   sendBulkEmail,

app/helpers/crawlers/olxClawler.js

@@ -13,20 +13,267 @@ module.exports = class OlxCrawler {
         this.maxResults = maxResults;
     }
 
-    async indexSingle(url, email) {
+    async indexPages(urls) {
+        const indexers = [];
+
+        urls.forEach(url => {
+            indexers.push(new Indexer(url));
+        });
+
+        return Promise.map(indexers, function (indexer) {
+            return indexer.indexWithPagination();
+        }).then(async (results) => {
+            return results
+        })
+    }
+
+    async crawl() {
+        console.log("OLX CRAWLER: start crawl");
+
+        const filteredResults = [];
+        const realestateRequests = await allRERequest();
+        console.log("OLX CRAWLER: found " + realestateRequests.length + "subscribed RealEstateRequests");
+        const urls = this.createRequestUrls(realestateRequests);
+        let results = await this.indexPages(urls, this.fromPage, this.toPage, this.maxResults);
+        console.log("Final crawler results");
+        if (results[0]) {
+            console.log(results[0].length);
+
+            for (const finalResult of results[0]) {
+
+                if (null !== finalResult) {
+                    if (finalResult.lat !== undefined && finalResult.lat !== null && finalResult.lat !== "") {
+                        const pointInsideBoundingBox = await findPointInsideBoundingBox([finalResult.lng, finalResult.lat], finalResult.email);
+
+                        if (pointInsideBoundingBox[0].length !== 0) {
+                            filteredResults.push(finalResult);
+                        }
+                    }
+                }
+            }
+
+            console.log("OLX CRAWLER: number of olx crawler results, after geo location filtering: " + filteredResults.length);
+            return filteredResults;
+        }
+        return []
+    }
+
+    createRequestUrls(realestateRequests) {
+        const urls = []
+
+        for (const request of realestateRequests) {
+            const realsestateType = "kategorija=" + getRealEstateTypeEnum(request.realEstateType).olxCategory;
+            const region = "kanton=" + getRegion(request.region).olxid;
+            const municipality = "grad%5B%5D=" + getMunicipality(request.region, request.municipality).olxid;
+            const sizeMin = "kvadrata_min=" + request.sizeMin;
+            const sizeMax = "kvadrata_max=" + request.sizeMax;
+            const priceMin = "od=" + request.priceMin;
+            const priceMax = "do=" + request.priceMax;
+
+            const olxUrl = {
+                url: `https://www.olx.ba/pretraga?${realsestateType}&id=2&stanje=0&vrstapregleda=tabela&sort_order=desc&${region}&${municipality}&${priceMin}&${priceMax}&vrsta=samoprodaja&${sizeMin}&${sizeMax}&stranica=`,
+                email: request.email,
+                uuid: request.uniqueId
+            }
+            console.log(olxUrl.url);
+            urls.push(olxUrl);
+        }
+
+        return urls;
+    }
+};
+
+
+class Indexer {
+
+    /**
+     * 
+     * @param {String|Array} olxUrl single or array of objects containing url email and uuid 
+     * @param {Array} hrefResutls array contaning urls from crawler results
+     */
+
+    constructor(olxUrl, hrefResutls) {
+        this.olxUrl = olxUrl;
+        this.hrefResutls = hrefResutls;
+    }
+
+    async indexWithPagination(pageNumber = 1) {
+
+        console.log("This is olxUrl:" + this.olxUrl.url);
+        const pageNr = this.olxUrl.url.match(/\d+$/);
+        const indexers = this.prepareIndexers(pageNumber ? [pageNumber] : pageNr);
+
         try {
-            const res = await fetch(url);
+
+            return Promise.map(indexers.indexers, function (indexer) {
+                return indexer.indexPage(pageNumber);
+            }).then(async (results) => {
+                let hasResults = false;
+
+                results.forEach(result => {
+                    if (!hasResults) {
+                        console.log("No results detected")
+                        hasResults = result.hasResults
+                    }
+                });
+
+                if (!hasResults) {
+                    console.log("HAS NO MORE RESULTS, stop the paging, there are some results and they should contain only HREFS");
+                    console.log(results.length);
+                    const singlePageIndexers = this.prepareHrefIndexers(results);
+                    if (singlePageIndexers.length === 0) {
+                        console.log("THERE IS NOT EVEN SINGLE RESULT");
+                        return []
+                    }
+
+                    return Promise.map(singlePageIndexers, function (indexer) {
+                        return indexer.indexSingle();
+                    }).then(async (results) => {
+                        console.log("SinglePageMethod in HAS NO RESULTS, MarketAralms");
+                        console.log(results.length);
+                        return results;
+                    });
+
+                } else {
+                    console.log("HAS MORE RESULTS, should only contain HREFS");
+                    console.log(results.length);
+                    const newResults = await this.indexWithPagination(results[0].pageNumber + 5);
+                    const singlePageIndexers = this.prepareHrefIndexers(results);
+
+                    const newerResults = await Promise.map(singlePageIndexers, function (indexer) {
+                        return indexer.indexSingle();
+                    }).then(async (results) => {
+                        console.log("SinglePageMethod HAS RESULTS, should contain MarketAlerts only");
+                        console.log(results.length);
+                        return results;
+                    });
+
+                    Array.prototype.push.apply(newResults, newerResults);
+                    return newResults;
+
+                }
+            });
+        } catch (e) {
+            console.error("Error has accured", e);
+        }
+
+    }
+
+    prepareIndexers(pageNr) {
+        console.log("Entering prepareIndexers : page nr - " + pageNr);
+        const indexers = [];
+        let lastPageNumber;
+        if (pageNr) {
+            for (let index = Number(pageNr[0]); index <= Number(pageNr[0]) + 5; index++) {
+                lastPageNumber = index;
+                const newOlxUrl = {
+                    url: this.olxUrl.url.replace(/\d+$/, "") + index,
+                    email: this.olxUrl.email,
+                    uuid: this.olxUrl.uuid
+                }
+                indexers.push(new Indexer(newOlxUrl));
+
+            }
+        } else {
+            for (let index = 1; index <= 5; index++) {
+                lastPageNumber = index;
+                const newOlxUrl = {
+                    url: this.olxUrl.url + index,
+                    email: this.olxUrl.email,
+                    uuid: this.olxUrl.uuid
+                }
+                indexers.push(new Indexer(newOlxUrl));
+            }
+        }
+        return {
+            indexers: indexers,
+            lastPageNumber: lastPageNumber
+        };
+    }
+
+    prepareHrefIndexers(results) {
+        const indexers = []
+
+        if (!Array.isArray(results)) {
+            results.hrefs.forEach(href => {
+                const newOlxUrl = {
+                    url: href,
+                    email: results.olxUrl.email,
+                    uuid: results.olxUrl.uuid
+                }
+
+                indexers.push(new Indexer(newOlxUrl));
+            });
+
+        } else {
+
+
+            results.forEach(result => {
+
+                if (result !== null && result.hasOwnProperty('hrefs')) {
+                    result.hrefs.forEach(href => {
+                        // console.log(href);
+                        const newOlxUrl = {
+                            url: href,
+                            email: result.olxUrl.email,
+                            uuid: result.olxUrl.uuid
+                        }
+
+                        indexers.push(new Indexer(newOlxUrl));
+                    })
+                }
+
+            });
+        }
+
+        return indexers;
+    }
+
+    async indexPage(pageNumber) {
+        console.log("Page number in index page, max page number :")
+        console.log(pageNumber);
+
+        try {
+
+            console.log("Indexing page: " + this.olxUrl.url);
+            const res = await fetch(this.olxUrl.url);
+            const body = await res.text();
+            const $ = cheerio.load(body);
+            const hrefs = [];
+            let hasResults = false
+
+            $('#rezultatipretrage').find('.listitem').each((i, elem) => {
+                hasResults = true
+                const href = $(elem).find('a').first().attr('href');
+                hrefs.push(href);
+            });
+
+            console.log("this is hrefs for olxUrl" + this.olxUrl.url);
+            console.log("NUMBER OF HREFS " + hrefs.length);
+
+            return {
+                hrefs: hrefs,
+                hasResults: hasResults,
+                pageNumber: pageNumber,
+                olxUrl: this.olxUrl
+            }
+        } catch (e) {
+            console.error('Exception caught:' + e);
+        }
+    }
+
+    async indexSingle() {
+        try {
+            console.log("Index single");
+            console.log(this.olxUrl.url);
+
+            if (this.olxUrl.url === undefined) {
+                return {}
+            }
+            const res = await fetch(this.olxUrl.url);
             const body = await res.text();
             const $ = cheerio.load(body);
 
-            //TODO figure out what to do with username
-            const username = $('#lg > div.desno2.profil > div:nth-child(2) > div.vrsta1.vrsta_desno > a > div.username > span').text();
-
-            // if (IGNORED_USERNAMES.includes((username || '').toLowerCase())) {
-            //     return null;
-            // }
-
-            //TODO remove properties that are not needed, and add some if they are missing
             const title = $('#naslovartikla').text().trim();
             const realEstateType = $('#artikal_glavni_div > div.artikal_lijevo > div:nth-child(3) > div > span:nth-child(3) > a > span').text();
 
@@ -37,43 +284,17 @@ module.exports = class OlxCrawler {
             const gardenSize = $('#dodatnapolja1 > div:nth-child(6) > div.df2').text();
             const location = $('#artikal_glavni_div > div.artikal_lijevo > div.op.pop.mobile-lokacija').attr('data-content');
 
-            const adType = $('#artikal_glavni_div > div.artikal_lijevo > div:nth-child(15) > div:nth-child(2) > div.df2').text();
             const time = $('time').attr('datetime');
             const olxId = $('#artikal_glavni_div > div.artikal_lijevo > div:nth-child(15) > div:nth-child(4) > div.df2').text();
 
             const descriptions = $('.artikal_detaljniopis_tekst');
-            // const floor = $('#dodatnapolja1').find(':contains(Sprat)').last().nextAll().text();
             const latLngRe = /LatLng\(([0-9]+\.[0-9]+)\,\s+([0-9]+\.[0-9]+)\)/g;
             const imgRe = /href":("[^"]*")/g;
             const matches = latLngRe.exec(body);
             let lng = '',
                 lat = '';
-
-
-            const parseRooms = (rooms) => parseInt([...rooms].filter(c => !isNaN(c)).filter(c => c.trim()).join())
             const parsePrice = (price) => parseFloat(price.replace(".", ""))
 
-
-            // TODO we dont save images ??
-
-            // const images = [];
-            // const imgMatches = body.match(imgRe);
-
-            // for (let i = 0; imgMatches && i < imgMatches.length; i++) {
-            //     let img = imgMatches[i].replace("href\":", "")
-            //     img = img.replace("\"", "");
-            //     img = img.replace("\"", "");
-            //     images.push(img);
-            // }
-
-            // const uploadPromises = images.map(img => {
-            //     const imgFixed = eval(`'${img}'`);
-            //     return cloudinary.uploader.upload(eval(`'${img}'`));
-            // });
-
-            // const uploadResults = await Promise.all(uploadPromises);
-            // const cloudinaryImages = uploadResults.map(ur => ur.url);
-
             if (matches && matches.length >= 3) {
                 lat = matches[1];
                 lng = matches[2];
@@ -87,10 +308,10 @@ module.exports = class OlxCrawler {
 
             const data = {
                 realEstateType: this.getCategoryId(realEstateType),
-                email: email,
+                email: this.olxUrl.email,
+                uuid: this.olxUrl.uuid,
                 olxId: olxId,
-                // category: category,
-                url,
+                url: this.olxUrl.url,
                 title,
                 price: isNaN(parsedPrice) ? 0 : parsedPrice,
                 size: parseFloat(size),
@@ -98,14 +319,12 @@ module.exports = class OlxCrawler {
                 address,
                 region,
                 municipality,
-                // adType: AD_TYPE_SALE,
                 time,
                 shortDescription: descriptions.first().text(),
                 longDescription: descriptions.last().text(),
                 lat,
                 lng,
                 loc: [parseFloat(lat), parseFloat(lng)],
-                // images: cloudinaryImages
             };
 
             return data;
@@ -116,41 +335,6 @@ module.exports = class OlxCrawler {
         return null;
     }
 
-    async indexPage(olxUrl, maxResults = 1000) {
-        try {
-            //TODO fix paging
-            // console.log('Starting to index page: ' + pageNr);
-            // const url = `http://www.olx.ba/pretraga?vrsta=samoprodaja&sort_order=desc&kategorija=23&sort_po=datum&kanton=9&stranica=${pageNr}`;
-
-            const res = await fetch(olxUrl.url);
-            const body = await res.text();
-            const $ = cheerio.load(body);
-            const hrefs = [];
-            const results = [];
-
-            $('#rezultatipretrage').find('.listitem').each((i, elem) => {
-                const href = $(elem).find('a').first().attr('href');
-                hrefs.push(href);
-            });
-
-            let actualNoOfResults = (hrefs.length <= maxResults) ? hrefs.length : maxResults;
-
-            for (let i = 0; i < hrefs.length; i++) {
-                console.log(`indexing: ${hrefs[i]}`);
-
-                const singleData = await this.indexSingle(hrefs[i], olxUrl.email);
-
-                if (singleData) {
-                    results.push(singleData);
-                }
-            }
-
-            return results;
-        } catch (e) {
-            console.error('Exception caught:' + e);
-        }
-    }
-
     getCategoryId(category) {
 
         switch (category) {
@@ -167,69 +351,5 @@ module.exports = class OlxCrawler {
                 return '';
         }
     }
-
-    async indexPages(urls, start, end, maxResults = 1000) {
-        //TODO fix paging
-        // let results = {};
-        // for (let i = start; i <= end; i++) {
-        //     let result = await this.indexPage(i, maxResults);
-        //     Object.assign(results, result)
-        // }
-        // return results;
-
-        let results = [];
-        for (let url of urls) {
-            let result = await this.indexPage(url, maxResults);
-            results.push(result);
-        }
-        return results;
-    }
-
-    async crawl() {
-        console.log("OLX CRAWLER: start crawl");
-
-        const filteredResults = [];
-        const realestateRequests = await allRERequest();
-        console.log("OLX CRAWLER: found " + realestateRequests.length + "subscribed RealEstateRequests");
-        const urls = this.createRequestUrls(realestateRequests);
-        let results = await this.indexPages(urls, this.fromPage, this.toPage, this.maxResults);
-
-        for (const result of results) {
-            for (const finalResult of result) {
-                if (finalResult.lat !== undefined && finalResult.lat !== null && finalResult.lat !== "") {
-                    const pointInsideBoundingBox = await findPointInsideBoundingBox([finalResult.lng, finalResult.lat], finalResult.email);
-
-                    if (pointInsideBoundingBox[0].length !== 0) {
-                        filteredResults.push(finalResult);
-                    }
-                }
-            }
-        }
-        console.log("OLX CRAWLER: number of olx crawler results, after geo location filtering: " + filteredResults.length);
-        return filteredResults;
-    }
-
-    createRequestUrls(realestateRequests) {
-        const urls = []
-
-        for (const request of realestateRequests) {
-            const realsestateType = "kategorija=" + getRealEstateTypeEnum(request.realEstateType).olxCategory;
-            const region = "kanton=" + getRegion(request.region).olxid;
-            const municipality = "grad%5B%5D=" + getMunicipality(request.region, request.municipality).olxid;
-            const sizeMin = "kvadrata_min=" + request.sizeMin;
-            const sizeMax = "kvadrata_max=" + request.sizeMax;
-            const priceMin = "od=" + request.priceMin;
-            const priceMax = "do=" + request.priceMax;
-
-            const olxUrl = {
-                url: `https://www.olx.ba/pretraga?${realsestateType}&id=2&stanje=0&vrstapregleda=tabela&sort_order=desc&${region}&${municipality}&${priceMin}&${priceMax}&vrsta=samoprodaja&${sizeMin}&${sizeMax}`,
-                email: request.email
-            }
-            console.log(olxUrl.url);
-            urls.push(olxUrl);
-        }
-
-        return urls;
-    }
-};
+}
 

app/helpers/db/dbHelper.js

@@ -11,6 +11,20 @@ const allRERequest = async () => {
       });
 }
 
+/**
+ * Find all subscribed RealEstateRequests by UUID
+ */
+const allRERequestByUiid = async (requestArray) => {
+
+  const Op = db.Sequelize.Op;
+  return await db.RealEstateRequest.findAll({
+      where: {
+          subscribed: true,
+          [Op.or]: requestArray
+      }
+    });
+}
+
 /**
  * Find all , or all depending on notified bolean marketalerts, and order them by email
  * 
@@ -50,5 +64,6 @@ const findPointInsideBoundingBox = async (latLng, email) => {
 module.exports = {
   allRERequest,
   allMarketAlerts,
+  allRERequestByUiid,
   findPointInsideBoundingBox
 };

app/migrations/20190702132143-add-RREquet-uuid-to-marketalerts.js

@@ -0,0 +1,20 @@
+'use strict';
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn(
+        'MarketAlerts',
+        'request',
+        {
+          type: Sequelize.STRING
+        }
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn(
+        'MarketAlerts',
+        'request'
+    );
+  }
+};

app/models/marketalert.js

@@ -13,6 +13,7 @@ module.exports = (sequelize, DataTypes) => {
     realEstateType : DataTypes.STRING,
     notified : DataTypes.BOOLEAN,
     title : DataTypes.STRING,
+    request: DataTypes.STRING,
     
     email: { 
       type: DataTypes.STRING,

app/services/crawlerService.js

@@ -13,14 +13,29 @@ const crawlers = [
 async function crawlAll() {
     console.log("CRAWLER SERVICE: crawlAll");
 
-    Promise.map(crawlers, function (crawler) {
+    return Promise.map(crawlers, function (crawler) {
         return crawler.crawl();
     }).then(async (results) => {
 
         try {
 
             const marketAlertsFromDb = await allMarketAlerts(true);
-            console.log("CRAWLER SERVICE: number of existing MarketAlerts from db: " + marketAlertsFromDb.length);
+            const hrefs = [];
+            const subscribedMakretAlerts = marketAlertsFromDb.filter(marketAlert => {
+                return marketAlert.subscribed;
+            });
+            marketAlertsFromDb.map(marketAlert => {
+                if (hrefs[marketAlert.request] === undefined) {
+                    hrefs[marketAlert.request] = [] 
+                }
+
+                hrefs[marketAlert.request].push(marketAlert.url);
+            })
+
+            global.hrefs = hrefs;
+            console.log(global.hrefs);
+            
+            console.log("CRAWLER SERVICE: number of existing MarketAlerts from db: " + subscribedMakretAlerts.length);
 
             const marketAlerts = [];
             const mergedResults = [].concat.apply([], results);
@@ -33,6 +48,7 @@ async function crawlAll() {
                     size: result.size,
                     price: result.price,
                     email: result.email,
+                    request: result.uuid,
                     // lastDate: DataTypes.STRING,
                     municipality: result.municipality,
                     region: result.region,
@@ -46,21 +62,18 @@ async function crawlAll() {
 
             try {
 
-                const filteredMarketAlerts = marketAlerts.filter((elem) => !marketAlertsFromDb.find(({ url }) => elem.url === url));
+                const filteredMarketAlerts = marketAlerts.filter((elem) => !subscribedMakretAlerts.find(({ url }) => elem.url === url));
                 console.log("CRAWLER SERVICE: Number of new crawler results: " + filteredMarketAlerts.length);
 
                 await db.MarketAlert.bulkCreate(filteredMarketAlerts);
-                process.exit();
 
             } catch (e) {
                 console.log("CRAWLER SERVICE: Could not bulkCreate marketalers reason: ", e);
-                process.exit();
             }
         } catch (e) {
             console.log("CRAWLER SERVICE: Error crawling. Trying next crawler! ", e);
-            process.exit();
         }
     })
 };
-
-crawlAll();
+module.exports = crawlAll;
+// crawlAll();

app/services/notificationService.js

@@ -1,5 +1,4 @@
 
-const Promise = require("bluebird");
 const db = require("../models/index");
 const { allMarketAlerts } = require('../helpers/db/dbHelper');
 const { createMarketAlertEmailTemplate, sendBulkEmail } = require('../helpers/awsEmail');
@@ -16,17 +15,15 @@ async function processNotifications() {
             await sendBulkEmail(marketAlerts);
         } else {
             console.log("NOTIFICATION SERVICE: No new alerts");
-            return;
         }
 
         await db.MarketAlert.update(
             { notified: true }, /* set attributes' value */
             { where: { notified: false } } /* where criteria */
         );
-        process.exit();
     } catch (e) {
         console.log("NOTIFICATION SERVICE: could not send notifications reason: ", e);
     }
 }
 
-processNotifications();
+module.exports = processNotifications;

index.js

@@ -10,6 +10,9 @@ const { getQuerySubmit, postQuerySubmit } = require('./app/controllers/querySubm
 const { getGoAgain } = require('./app/controllers/goAgain');
 const { getNeighborhood, postNeighborhood } = require('./app/controllers/neighborhoodMap');
 const { getUnsubscribe } = require('./app/controllers/unsubscribe');
+const schedule = require('node-schedule');
+const crawlAll = require('./app/services/crawlerService')
+const processNotifications = require('./app/services/notificationService')
 
 let express = require("express");
 const path = require("path");
@@ -116,6 +119,25 @@ app.post("/api/payforalert", (req, res) => {
   });
 });
 
+var runServices = async () => {
+
+  
+}
+
+runServices();
+
+var rule = new schedule.RecurrenceRule();
+  rule.seccond = 1;
+  schedule.scheduleJob(rule, async function () {
+    console.log(new Date(), 'Crawler service started');
+    await crawlAll();
+    console.log(new Date(), 'Crawler service finished, starting Notification service');
+    await processNotifications();
+    console.log(new Date(), 'Notification service finished');
+  });
+
+
+
 app.get('/', welcome);
 app.get('/vrstanekretnine/:request_id', getRealEstateTypes);
 app.get('/vrstanekretnine', getRealEstateTypes);

package-lock.json

@@ -559,13 +559,38 @@
       }
     },
     "cliui": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
-      "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
+      "integrity": "sha512-PYeGSEmmHM6zvoef2w8TPzlrnNpXIjTipYK780YswmIP9vjxmd6Y2a3CB2Ks6/AU8NHjZugXvo8w3oWM2qnwXA==",
       "requires": {
-        "string-width": "^2.1.1",
-        "strip-ansi": "^4.0.0",
-        "wrap-ansi": "^2.0.0"
+        "string-width": "^3.1.0",
+        "strip-ansi": "^5.2.0",
+        "wrap-ansi": "^5.1.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg=="
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
       }
     },
     "cls-bluebird": {
@@ -577,11 +602,6 @@
         "shimmer": "^1.1.0"
       }
     },
-    "code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
-    },
     "collection-visit": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/collection-visit/-/collection-visit-1.0.0.tgz",
@@ -701,9 +721,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "2.6.5",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.5.tgz",
-      "integrity": "sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A=="
+      "version": "2.6.9",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.9.tgz",
+      "integrity": "sha512-HOpZf6eXmnl7la+cUdMnLvUxKNqLUzJvgIziQ0DiF3JwSImNphIqdGqzj6hIKyX04MmV0poclQ7+wjWvxQyR2A=="
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -719,6 +739,15 @@
         "capture-stack-trace": "^1.0.0"
       }
     },
+    "cron-parser": {
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/cron-parser/-/cron-parser-2.12.0.tgz",
+      "integrity": "sha512-1GU6CQJ6gT9XDEGeTuzfhZgFMf82BSs3ihFA3i2wr4qGKJLhO1kOvaIF9biIo39CaPgzZ17U8FgYxRv/+UR50A==",
+      "requires": {
+        "is-nan": "^1.2.1",
+        "moment-timezone": "^0.5.25"
+      }
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -754,11 +783,12 @@
       "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "d": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/d/-/d-1.0.0.tgz",
-      "integrity": "sha1-dUu1v+VUUdpppYuU1F9MWwRi1Y8=",
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
+      "integrity": "sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==",
       "requires": {
-        "es5-ext": "^0.10.9"
+        "es5-ext": "^0.10.50",
+        "type": "^1.0.1"
       }
     },
     "dashdash": {
@@ -799,6 +829,14 @@
       "resolved": "https://registry.npmjs.org/deepmerge/-/deepmerge-2.2.1.tgz",
       "integrity": "sha512-R9hc1Xa/NOBi9WRVUWg19rl1UB7Tt4kuPd+thNJgFZoxXsTz7ncaPaeIm+40oSGuP33DfMb4sZt1QIGiJzC4EA=="
     },
+    "define-properties": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
+      "integrity": "sha512-3MqfYKj2lLzdMSf8ZIZE/V+Zuy+BgD6f164e8K2w7dgnpKArBDerGYpM46IYYcjnkdPNMjPk9A6VFB8+3SKlXQ==",
+      "requires": {
+        "object-keys": "^1.0.12"
+      }
+    },
     "define-property": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/define-property/-/define-property-2.0.2.tgz",
@@ -941,6 +979,11 @@
       "resolved": "https://registry.npmjs.org/ejs/-/ejs-2.6.1.tgz",
       "integrity": "sha512-0xy4A/twfrRCnkhfk8ErDi5DqdAsAqeGxht4xkCUrsvhhbQNs7E+4jV0CN7+NKIY0aHE72+XvqtBIXzD31ZbXQ=="
     },
+    "emoji-regex": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA=="
+    },
     "encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
@@ -960,9 +1003,9 @@
       "integrity": "sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w=="
     },
     "es5-ext": {
-      "version": "0.10.49",
-      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.49.tgz",
-      "integrity": "sha512-3NMEhi57E31qdzmYp2jwRArIUsj1HI/RxbQ4bgnSB+AIKIxsAmTiK83bYMifIcpWvEc3P1X30DhUKOqEtF/kvg==",
+      "version": "0.10.50",
+      "resolved": "https://registry.npmjs.org/es5-ext/-/es5-ext-0.10.50.tgz",
+      "integrity": "sha512-KMzZTPBkeQV/JcSQhI5/z6d9VWJ3EnQ194USTUwIYZ2ZbpN8+SGXQKt1h68EX44+qt+Fzr8DO17vnxrw7c3agw==",
       "requires": {
         "es6-iterator": "~2.0.3",
         "es6-symbol": "~3.1.1",
@@ -989,13 +1032,13 @@
       }
     },
     "es6-weak-map": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.2.tgz",
-      "integrity": "sha1-XjqzIlH/0VOKH45f+hNXdy+S2W8=",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/es6-weak-map/-/es6-weak-map-2.0.3.tgz",
+      "integrity": "sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==",
       "requires": {
         "d": "1",
-        "es5-ext": "^0.10.14",
-        "es6-iterator": "^2.0.1",
+        "es5-ext": "^0.10.46",
+        "es6-iterator": "^2.0.3",
         "es6-symbol": "^3.1.1"
       }
     },
@@ -1353,7 +1396,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -1374,12 +1418,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -1394,17 +1440,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -1521,7 +1570,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -1533,6 +1583,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -1547,6 +1598,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -1554,12 +1606,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -1578,6 +1632,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1658,7 +1713,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -1670,6 +1726,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1755,7 +1812,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1791,6 +1849,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -1810,6 +1869,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -1853,12 +1913,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -1868,9 +1930,9 @@
       "integrity": "sha512-dEkxmX+egB2o4NR80c/q+xzLLzLX+k68/K8xv81XprD+Sk7ZtP14VugeCz+fUwv5FzpWq40pPtAkzPRqT8ka9w=="
     },
     "get-caller-file": {
-      "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.3.tgz",
-      "integrity": "sha512-3t6rVToeoZfYSGd8YoLFR2DJkiQrIiUrGcjvFX2mDw3bn6k2OtwHN0TNCLbBO+w8qTvimhDkv+LSscbJY1vE6w=="
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-2.0.5.tgz",
+      "integrity": "sha512-DyFP3BM/3YHTQOCUL/w0OZHR0lpKeGrxotcHWcqNEdnltqFwXVfhEBQ94eIo34AfQpo0rGki4cyIiftY06h2Fg=="
     },
     "get-stream": {
       "version": "4.1.0",
@@ -1895,9 +1957,9 @@
       }
     },
     "glob": {
-      "version": "7.1.3",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.3.tgz",
-      "integrity": "sha512-vcfuiIxogLV4DlGBHIUOwI0IbrJ8HWPc4MU7HzviGeNho/UJDfi6B5p3sHeWIQ0KGIU0Jpxi5ZHxemQfLkkAwQ==",
+      "version": "7.1.4",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
+      "integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
       "requires": {
         "fs.realpath": "^1.0.0",
         "inflight": "^1.0.4",
@@ -2243,6 +2305,14 @@
         "is-path-inside": "^1.0.0"
       }
     },
+    "is-nan": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/is-nan/-/is-nan-1.2.1.tgz",
+      "integrity": "sha1-n69ltvttskt/XAYoR16nH5iEAeI=",
+      "requires": {
+        "define-properties": "^1.1.1"
+      }
+    },
     "is-npm": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-npm/-/is-npm-1.0.0.tgz",
@@ -2353,14 +2423,14 @@
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
     "js-beautify": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/js-beautify/-/js-beautify-1.9.1.tgz",
-      "integrity": "sha512-oxxvVZdOdUfzk8IOLBF2XUZvl2GoBEfA+b0of4u2EBY/46NlXasi8JdFvazA5lCrf9/lQhTjyVy2QCUW7iq0MQ==",
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/js-beautify/-/js-beautify-1.10.0.tgz",
+      "integrity": "sha512-OMwf/tPDpE/BLlYKqZOhqWsd3/z2N3KOlyn1wsCRGFwViE8LOQTcDtathQvHvZc+q+zWmcNAbwKSC+iJoMaH2Q==",
       "requires": {
         "config-chain": "^1.1.12",
-        "editorconfig": "^0.15.2",
+        "editorconfig": "^0.15.3",
         "glob": "^7.1.3",
-        "mkdirp": "~0.5.0",
+        "mkdirp": "~0.5.1",
         "nopt": "~4.0.1"
       }
     },
@@ -2440,6 +2510,11 @@
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
       "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
     },
+    "long-timeout": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",
+      "integrity": "sha1-lyHXiLR+C8taJMLivuGg2lXatRQ="
+    },
     "lowercase-keys": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/lowercase-keys/-/lowercase-keys-1.0.1.tgz",
@@ -2685,6 +2760,16 @@
       "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.3.0.tgz",
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     },
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@@ -2797,6 +2877,11 @@
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@@ -3440,9 +3525,9 @@
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@@ -3451,7 +3536,7 @@
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         "resolve": "^1.5.0",
         "umzug": "^2.1.0",
-        "yargs": "^12.0.5"
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     "serve-static": {
@@ -3633,6 +3718,11 @@
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-          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
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@@ -3944,6 +4037,11 @@
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@@ -4206,38 +4304,36 @@
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-      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
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-        "strip-ansi": "^3.0.1"
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-          "requires": {
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+        "ansi-regex": {
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-            "strip-ansi": "^3.0.0"
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@@ -4294,28 +4390,52 @@
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-        "decamelize": "^1.2.0",
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         "find-up": "^3.0.0",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^3.0.0",
+        "get-caller-file": "^2.0.1",
+        "os-locale": "^3.1.0",
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-        "string-width": "^2.0.0",
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-        "y18n": "^3.2.1 || ^4.0.0",
-        "yargs-parser": "^11.1.1"
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.0"
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package.json

@@ -7,8 +7,6 @@
     "test": "echo \"Error: no test specified\" && exit 1",
     "start": "node ./index.js",
     "start-mon": "nodemon ./index.js",
-    "crawler": "node ./app/services/crawlerService.js",
-    "notification": "node ./app/services/notificationService.js",
     "migrate": "cd app && npx sequelize db:migrate",
     "setup": "docker build -t marketalerts .  && docker run -e POSTGRES_USER=docker -e POSTGRES_PASSWORD=docker -e POSTGRES_DB=marketalerts --name pg_marketalerts -d -p 5432:5432 marketalerts && sleep 4 && npm run migrate",
     "docker-start": "docker start pg_marketalerts",
@@ -36,10 +34,11 @@
     "express-ejs-layouts": "^2.5.0",
     "express-layout": "^0.1.0",
     "node-fetch": "^2.3.0",
+    "node-schedule": "^1.3.2",
     "pg": "^7.10.0",
     "react-step-wizard": "^5.1.0",
     "sequelize": "^4.43.2",
-    "sequelize-cli": "^5.4.0"
+    "sequelize-cli": "^5.5.0"
   },
   "devDependencies": {
     "nodemon": "^1.19.0"