Updated location to start from selected when edit.

# Conflicts:
#   app/config/appConfig.js

.gitignore

@@ -1 +1,5 @@
 node_modules/
+.env
+.idea/
+.eslintrc
+.vscode/

Dockerfile

@@ -0,0 +1,12 @@
+FROM postgres:11.3
+
+ENV POSTGIS_MAJOR 2.4
+
+RUN apt-get update \
+      && apt-get --assume-yes install postgresql-11-postgis-2.5-scripts\
+      && apt-get --assume-yes install software-properties-common postgis\
+      && rm -rf /var/lib/apt/lists/
+
+RUN mkdir -p /docker-entrypoint-initdb.d
+
+CMD ["postgres"]

README.md

@@ -1,4 +1,46 @@
-# web
+# MarketAlert
+
+The purpose of this project is to build a web application that enables subscribing to notifications when new products are published on various ad based marketplaces. The MVP will be only based on OLX.ba
+
+## Setup
+
+* Before setup please confirm that Docker is installed `docker --version`. If not install it from official site. 
+
+### Setup with npm commands
+
+1. Install packages  
+`npm install`
+
+2. Run setup script  
+`npm run setup`  
+this will create and run postgres image and then execute migrations
+
+3. Run app  
+`npm start` to run app without restart on changes or  
+`npm run start-mon` to run app with automatic restart on code change
 
 
-The purpose of this project is to build a web application that enables subscribing to notifications when new products are published on various ad based marketplaces. The MVP will be only based on OLX.ba
+### Manual setup
+
+1. Create postgres docker image   
+`docker build -t marketalerts .`
+
+2. Run postgres image with  
+`docker run -e POSTGRES_USER=docker -e POSTGRES_PASSWORD=docker -e POSTGRES_DB=marketalerts --name pg_marketalerts -d -p 5432:5432 marketalerts`
+
+3. Install packages  
+`npm install`
+
+4. Run migrations from `app` folder  
+`npm run migrate` or `npx sequelize db:migrate`
+
+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/common/enums.js

@@ -0,0 +1,341 @@
+const PRICE_SLIDER_OPTIONS_SALE = {
+  start: [50000, 85000],
+  range: {
+    min: [0],
+    max: [300000]
+  },
+  step: 1000,
+  connect: true
+};
+
+const PRICE_SLIDER_OPTIONS_RENT = {
+  start: [300, 500],
+  range: {
+    min: [0],
+    max: [2000]
+  },
+  step: 50,
+  connect: true
+};
+
+//This will be used for Flats, Apartments, Houses
+const HOME_SIZE_SLIDER_OPTIONS = {
+  start: [30, 75],
+  range: {
+    min: [0],
+    max: [400]
+  },
+  step: 5,
+  connect: true
+};
+
+const GARDEN_SIZE_SLIDER_OPTIONS = {
+  start: [100, 1000],
+  range: {
+    min: [0],
+    max: [10000]
+  },
+  step: 100,
+  connect: true
+};
+
+const LAND_SIZE_SLIDER_OPTIONS = {
+  start: [5000, 15000],
+  range: {
+    min: [0],
+    max: [100000]
+  },
+  step: 100,
+  connect: true
+};
+const GARAGE_SIZE_SLIDER_OPTIONS = {
+  start: [10, 20],
+  range: {
+    min: [0],
+    max: [150]
+  },
+  step: 2,
+  connect: true
+};
+
+const GARAGE_PRICE_SLIDER_OPTIONS_SALE = {
+  start: [2000, 10000],
+  range: {
+    min: [0],
+    max: [60000]
+  },
+  step: 200,
+  connect: true
+};
+
+const GARAGE_PRICE_SLIDER_OPTIONS_RENT = {
+  start: [50, 150],
+  range: {
+    min: [0],
+    max: [1000]
+  },
+  step: 10,
+  connect: true
+};
+
+const AD_TYPE = {
+  AD_TYPE_SALE: {
+    id: 1,
+    stringId: "SALE",
+    title: "Kupi"
+  },
+  AD_TYPE_RENT: {
+    id: 2,
+    stringId: "RENT",
+    title: "Unajmi"
+  },
+  AD_TYPE_REQUEST: {
+    id: 3,
+    stringId: "REQUEST",
+    title: "Potražnja"
+  }
+};
+
+const AD_CATEGORY = {
+  ALL: {
+    id: "ALL"
+  },
+  FLAT: {
+    id: "FLAT",
+    title: "Stan",
+    hasGardenSize: false,
+    hasAccesRoadType: true,
+    hasBalconyProp: true,
+    hasNewBuildingProp: true,
+    hasElevatorProp: true,
+    hasNumberOfRoom: true,
+    hasNumberOfFloors: false,
+    hasFloorProp: true,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: HOME_SIZE_SLIDER_OPTIONS
+  },
+  HOUSE: {
+    id: "HOUSE",
+    title: "Kuća",
+    hasGardenSize: true,
+    hasAccesRoadType: true,
+    hasBalconyProp: true,
+    hasNewBuildingProp: true,
+    hasElevatorProp: false,
+    hasNumberOfRoom: true,
+    hasNumberOfFloors: true,
+    hasFloorProp: false,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: HOME_SIZE_SLIDER_OPTIONS,
+    gardenSizeSliderOptions: GARDEN_SIZE_SLIDER_OPTIONS
+  },
+  OFFICE: {
+    id: "OFFICE",
+    title: "Kancelarija",
+    hasGardenSize: false,
+    hasAccesRoadType: true,
+    hasBalconyProp: false,
+    hasNewBuildingProp: true,
+    hasElevatorProp: true,
+    hasNumberOfRoom: true,
+    hasNumberOfFloors: false,
+    hasFloorProp: true,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: HOME_SIZE_SLIDER_OPTIONS
+  },
+  LAND: {
+    id: "LAND",
+    title: "Zemljište",
+    hasGardenSize: false,
+    hasAccesRoadType: true,
+    hasBalconyProp: false,
+    hasNewBuildingProp: false,
+    hasElevatorProp: false,
+    hasNumberOfRoom: false,
+    hasNumberOfFloors: false,
+    hasFloorProp: false,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: LAND_SIZE_SLIDER_OPTIONS
+  },
+  APARTMENT: {
+    id: "APARTMENT",
+    title: "Apartman",
+    hasGardenSize: false,
+    hasAccesRoadType: true,
+    hasBalconyProp: true,
+    hasNewBuildingProp: true,
+    hasElevatorProp: true,
+    hasNumberOfRoom: true,
+    hasNumberOfFloors: false,
+    hasFloorProp: true,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: HOME_SIZE_SLIDER_OPTIONS
+  },
+  GARAGE: {
+    id: "GARAGE",
+    title: "Garaža",
+    hasGardenSize: false,
+    hasAccesRoadType: true,
+    hasBalconyProp: false,
+    hasNewBuildingProp: false,
+    hasElevatorProp: false,
+    hasNumberOfRoom: false,
+    hasNumberOfFloors: false,
+    hasFloorProp: false,
+    priceSliderOptionsSale: GARAGE_PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: GARAGE_PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: GARAGE_SIZE_SLIDER_OPTIONS
+  },
+  COTTAGE: {
+    id: "COTTAGE",
+    title: "Vikendica",
+    hasGardenSize: true,
+    hasAccesRoadType: true,
+    hasBalconyProp: true,
+    hasNewBuildingProp: true,
+    hasElevatorProp: false,
+    hasNumberOfRoom: true,
+    hasNumberOfFloors: true,
+    hasFloorProp: false,
+    priceSliderOptionsSale: PRICE_SLIDER_OPTIONS_SALE,
+    priceSliderOptionsRent: PRICE_SLIDER_OPTIONS_RENT,
+    sizeSliderOptions: HOME_SIZE_SLIDER_OPTIONS,
+    gardenSizeSliderOptions: GARDEN_SIZE_SLIDER_OPTIONS
+  }
+};
+
+const AD_STATUS = {
+  STATUS_NORMAL: 1,
+  STATUS_RESERVED: 2,
+  STATUS_SOLD: 3,
+  STATUS_DELETED: 4,
+  STATUS_URGENT: 5,
+  STATUS_DISCOUNTED: 6,
+  STATUS_RENTED: 7
+};
+
+const AD_AGENCY = {
+  OLX: "OLX",
+  RENTAL: "RENTAL",
+  PROSTOR: "PROSTOR",
+  AKTIDO: "AKTIDO"
+};
+
+const CRAWLER_AD_TYPE = {
+  NONE: 0,
+  ALL: 1,
+  ONLY_SELL: 2,
+  ONLY_RENT: 3,
+  ONLY_REQUEST: 4
+};
+
+const EMAIL_FREQUENCY = {
+  ASAP: {
+    id: 1,
+    stringId: "ASAP",
+    title: "Odmah"
+  },
+  DAILY: {
+    id: 2,
+    stringId: "DAILY",
+    title: "Jednom dnevno"
+  }
+};
+
+const HEATING_TYPE = {
+  ANY: {
+    id: "ANY",
+    title: "Svi"
+  },
+  NO_HEATING: {
+    id: "NO_HEATING",
+    title: "Nije uvedeno"
+  },
+  ELECTRICITY: {
+    id: "ELECTRICITY",
+    title: "Struja"
+  },
+  GAS: {
+    id: "GAS",
+    title: "Plin"
+  },
+  WOOD: {
+    id: "WOOD",
+    title: "Drva"
+  },
+  CENTRAL_CITY: {
+    id: "CENTRAL_CITY",
+    title: "Centralno (gradsko)"
+  },
+  CENTRAL_BOILER: {
+    id: "CENTRAL_BOILER",
+    title: "Centralno (kotlovnica)"
+  },
+  CENTRAL_GAS: {
+    id: "CENTRAL_GAS",
+    title: "Centralno (plin)"
+  },
+  HEAT_PUMP: {
+    id: "HEAT_PUMP",
+    title: "Toplotna pumpa"
+  },
+  OTHER: {
+    id: "OTHER",
+    title: "Drugo"
+  }
+};
+
+const ACCESS_ROAD_TYPE = {
+  ANY: {
+    id: "ANY",
+    title: "Svi"
+  },
+  ASPHALT: {
+    id: "ASPHALT",
+    title: "Asfalt"
+  },
+  CONCRETE: {
+    id: "CONCRETE",
+    title: "Beton"
+  },
+  MACADAM: {
+    id: "MACADAM",
+    title: "Makadam"
+  },
+  OTHER: {
+    id: "OTHER",
+    title: "Drugo"
+  }
+};
+
+const FURNISHING_TYPE = {
+  NOT_FURNISHED: {
+    id: "NOT_FURNISHED",
+    title: "Nenamješten"
+  },
+  HALF_FURNISHED: {
+    id: "HALF_FURNISHED",
+    title: "Polunamješten"
+  },
+  FURNISHED: {
+    id: "FURNISHED",
+    title: "Namješten"
+  }
+};
+
+module.exports = {
+  AD_TYPE,
+  AD_CATEGORY,
+  AD_STATUS,
+  AD_AGENCY,
+  CRAWLER_AD_TYPE,
+  EMAIL_FREQUENCY,
+  HEATING_TYPE,
+  ACCESS_ROAD_TYPE,
+  FURNISHING_TYPE
+};

app/common/filterEnums.js

@@ -0,0 +1,110 @@
+const { AD_CATEGORY, ACCESS_ROAD_TYPE, HEATING_TYPE } = require("./enums");
+
+const ADVANCED_BOOLEAN_FILTERS = [
+  {
+    dbField: "balcony",
+    title: "Balkon",
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.HOUSE,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.COTTAGE
+    ]
+  },
+  {
+    dbField: "elevator",
+    title: "Lift",
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.OFFICE
+    ]
+  },
+  {
+    dbField: "newBuilding",
+    title: "Novogradnja",
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.HOUSE,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.COTTAGE,
+      AD_CATEGORY.OFFICE
+    ]
+  }
+];
+
+const ADVANCED_SEGMENT_SELECT_FILTERS = [
+  {
+    dbField: "accessRoadType",
+    title: "Pristupni put",
+    values: Object.keys(ACCESS_ROAD_TYPE).map(key => ACCESS_ROAD_TYPE[key]),
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.HOUSE,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.COTTAGE,
+      AD_CATEGORY.OFFICE,
+      AD_CATEGORY.LAND,
+      AD_CATEGORY.GARAGE
+    ]
+  }
+  // {
+  //   dbField: "heatingType",
+  //   title: "Vrsta grijanja",
+  //   values: Object.keys(HEATING_TYPE).map(key => HEATING_TYPE[key]),
+  //   categoriesToShow: [
+  //     AD_CATEGORY.FLAT,
+  //     AD_CATEGORY.HOUSE,
+  //     AD_CATEGORY.APARTMENT,
+  //     AD_CATEGORY.COTTAGE,
+  //     AD_CATEGORY.OFFICE
+  //   ]
+  // }
+];
+
+const ADVANCED_RANGE_FILTERS = [
+  {
+    id: "numberOfFloors",
+    title: "Broj spratova",
+    dbFieldMin: "numberOfFloorsMin",
+    dbFieldMax: "numberOfFloorsMax",
+    validValueMin: -1,
+    validValueMax: 50,
+    categoriesToShow: [AD_CATEGORY.HOUSE, AD_CATEGORY.COTTAGE]
+  },
+  {
+    id: "floor",
+    title: "Sprat",
+    dbFieldMin: "floorMin",
+    dbFieldMax: "floorMax",
+    validValueMin: -10,
+    validValueMax: 50,
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.OFFICE
+    ]
+  },
+  {
+    id: "numberOfRooms",
+    title: "Broj soba",
+    dbFieldMin: "numberOfRoomsMin",
+    dbFieldMax: "numberOfRoomsMax",
+    decimalPlaces: 1,
+    validValueMin: 0,
+    validValueMax: 200,
+    categoriesToShow: [
+      AD_CATEGORY.FLAT,
+      AD_CATEGORY.HOUSE,
+      AD_CATEGORY.APARTMENT,
+      AD_CATEGORY.COTTAGE,
+      AD_CATEGORY.OFFICE
+    ]
+  }
+];
+
+module.exports = {
+  ADVANCED_BOOLEAN_FILTERS,
+  ADVANCED_SEGMENT_SELECT_FILTERS,
+  ADVANCED_RANGE_FILTERS
+};

app/config/appConfig.js

@@ -0,0 +1,46 @@
+"use strict";
+require("dotenv").config({ path: __dirname + "/./../../.env" });
+
+const APP_PORT = process.env.PORT || 5000;
+const APP_BASE_URL = process.env.APP_BASE_URL || "http://localhost";
+
+const APP_URL =
+  process.env.NODE_ENV && process.env.NODE_ENV === "production"
+    ? process.env.APP_URL || "http://market-alarm"
+    : process.env.APP_URL || `${APP_BASE_URL}:${APP_PORT}`;
+
+const DEFAULT_TIMEZONE = "Europe/Sarajevo";
+
+const CRAWLER_INTERVAL = parseInt(process.env.CRAWLER_INTERVAL) || 60;
+const STOP_CRAWLER = !!parseInt(process.env.STOP_CRAWLER);
+
+const AWS_EMAIL_CONFIG = {
+  REGION: process.env.AWS_REGION || "",
+  CREDENTIALS: {
+    ACCESS_KEY_ID: process.env.AWS_KEY_ID || "",
+    SECRET_ACCESS_KEY: process.env.AWS_SECRET_ACCESS_KEY || ""
+  },
+  SOURCE_EMAIL: process.env.SOURCE_EMAIL || ""
+};
+
+const MAX_REAL_ESTATES_IN_EMAIL =
+  parseInt(process.env.MAX_REAL_ESTATES_IN_EMAIL) || 10;
+const MAX_REAL_ESTATES_IN_FIRST_EMAIL =
+  parseInt(process.env.MAX_REAL_ESTATES_IN_FIRST_EMAIL) || 5;
+
+const PRINT_CRAWLER_DEBUG = process.env.PRINT_CRAWLER_DEBUG_INFO || 0;
+
+const API_MAP_KEY = process.env.API_MAP_KEY || "";
+
+module.exports = {
+  APP_PORT,
+  APP_URL,
+  DEFAULT_TIMEZONE,
+  CRAWLER_INTERVAL,
+  STOP_CRAWLER,
+  AWS_EMAIL_CONFIG,
+  MAX_REAL_ESTATES_IN_EMAIL,
+  MAX_REAL_ESTATES_IN_FIRST_EMAIL,
+  PRINT_CRAWLER_DEBUG,
+  API_MAP_KEY
+};

app/config/config.json

@@ -0,0 +1,15 @@
+{
+  "development": {
+    "username": "docker",
+    "password": "docker",
+    "database": "marketalerts",
+    "port": "5432",
+    "dialect": "postgres"
+  },
+  "test": {
+    "use_env_variable": "DATABASE_URL"
+  },
+  "production": {
+    "use_env_variable": "DATABASE_URL"
+  }
+}

app/controllers/goAgain.js

@@ -0,0 +1,8 @@
+const getGoAgain = async (req, res) => {
+  const title = "Uspjeh!";
+  res.render("goAgain", { title });
+};
+
+module.exports = {
+  getGoAgain
+};

app/controllers/location.js

@@ -0,0 +1,85 @@
+const { currentSearchRequest } = require("../helpers/url");
+
+const getLocation = async (req, res) => {
+  const title = "Odaberite lokaciju";
+  const nextStep = req.query.nextStep || "/";
+
+  //Check if location data already exists (active request)
+  //If it does then  get location is called through edit field query
+  //and map should show already selected location not initial map
+  let selectedLatLngBounds = {};
+  let boundsSelected = false;
+
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+  const selectedArea = searchRequest.areaToSearch;
+  const sw = selectedArea.coordinates[0][3];
+  const ne = selectedArea.coordinates[0][1];
+
+  if (sw[0] && ne[0]) {
+    selectedLatLngBounds = {
+      swLat: sw[1],
+      swLng: sw[0],
+      neLat: ne[1],
+      neLng: ne[0]
+    };
+    boundsSelected = true;
+  }
+
+  res.render("location", {
+    nextStep,
+    title,
+    boundsSelected,
+    selectedLatLngBounds
+  });
+};
+
+const postLocation = async (req, res) => {
+  let searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  const northWest = [req.body.west, req.body.north];
+  const northEast = [req.body.east, req.body.north];
+  const southEast = [req.body.east, req.body.south];
+  const southWest = [req.body.west, req.body.south];
+
+  const locationInputValue =
+    req.body.locationInput && req.body.locationInput.length > 0
+      ? req.body.locationInput
+      : null;
+
+  searchRequest.areaToSearch = {
+    type: "Polygon",
+    coordinates: [[northWest, northEast, southEast, southWest, northWest]],
+    crs: { type: "name", properties: { name: "EPSG:4326" } }
+  };
+
+  let locationInputData;
+  if (req.body.locationInputData) {
+    try {
+      locationInputData = JSON.parse(req.body.locationInputData);
+    } catch (e) {
+      locationInputData = null;
+    }
+  }
+
+  await searchRequest.save();
+
+  const nextStepPage = req.query.nextStep || "filteri";
+  const nextStepUrl = `/${nextStepPage}/${searchRequest.id}`;
+
+  res.redirect(nextStepUrl);
+};
+
+module.exports = {
+  getLocation,
+  postLocation
+};

app/controllers/queryReview.js

@@ -0,0 +1,199 @@
+const { currentSearchRequest } = require("../helpers/url");
+const { isValidEmail } = require("../helpers/email");
+const {
+  notifyForNewSearchRequest
+} = require("../services/notificationService");
+const { AD_CATEGORY, AD_TYPE, EMAIL_FREQUENCY } = require("../common/enums");
+
+const getQueryReviewTableData = searchRequest => {
+  const {
+    id,
+    adType,
+    realEstateType,
+    sizeMin,
+    sizeMax,
+    gardenSizeMin,
+    gardenSizeMax,
+    priceMin,
+    priceMax
+  } = searchRequest.dataValues;
+
+  const realEstateTypeObject = AD_CATEGORY[realEstateType];
+  const enableGardenSizeEdit = realEstateTypeObject
+    ? realEstateTypeObject.hasGardenSize
+    : false;
+
+  let adTypeTitle = "";
+  switch (adType) {
+    case AD_TYPE.AD_TYPE_SALE.stringId:
+      adTypeTitle = AD_TYPE.AD_TYPE_SALE.title;
+      break;
+    case AD_TYPE.AD_TYPE_RENT.stringId:
+      adTypeTitle = AD_TYPE.AD_TYPE_RENT.title;
+      break;
+    default:
+      adTypeTitle = "-";
+      break;
+  }
+
+  const realEstateTypeTitle = realEstateTypeObject
+    ? `[${adTypeTitle}] ${realEstateTypeObject.title}`
+    : "-";
+
+  const locationTitle = "Promjenite lokaciju";
+  const sizeTitle = `${sizeMin} - ${sizeMax} m2`;
+  const gardenSizeTitle = enableGardenSizeEdit
+    ? `${gardenSizeMin} - ${gardenSizeMax} m2`
+    : "-";
+  const priceTitle = `${priceMin} - ${priceMax} KM`;
+
+  return [
+    {
+      id: "realEstateType",
+      title: realEstateTypeTitle,
+      url: `/vrstanekretnine/${id}?nextStep=filteri`
+    },
+    {
+      id: "location",
+      title: locationTitle,
+      url: `/lokacija/${id}?nextStep=pregled`
+    },
+    {
+      id: "size",
+      title: sizeTitle,
+      url: `/filteri/${id}?nextStep=pregled`
+    },
+    {
+      id: "gardenSize",
+      title: gardenSizeTitle,
+      url: enableGardenSizeEdit ? `/filteri/${id}?nextStep=pregled` : ""
+    },
+    {
+      id: "price",
+      title: priceTitle,
+      url: `/filteri/${id}?nextStep=pregled`
+    }
+  ].filter(data => data.title != "-");
+};
+
+const getQueryReview = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  const title = "Da li je ovo to što ste tražili ?";
+  const nextStep = req.query.nextStep;
+  const error = req.query.error;
+  const queryReviewTableData = getQueryReviewTableData(searchRequest);
+  const email = searchRequest.email;
+  let selectedEmailFrequency;
+  switch (searchRequest.emailFrequency) {
+    case EMAIL_FREQUENCY.ASAP.stringId:
+      selectedEmailFrequency = EMAIL_FREQUENCY.ASAP.id;
+      break;
+    case EMAIL_FREQUENCY.DAILY.stringId:
+      selectedEmailFrequency = EMAIL_FREQUENCY.DAILY.id;
+      break;
+  }
+
+  res.render("queryReview", {
+    nextStep,
+    queryReviewTableData,
+    title,
+    email,
+    selectedEmailFrequency,
+    error,
+    EMAIL_FREQUENCY
+  });
+};
+
+const postQueryReview = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    return null;
+  }
+
+  const nextStep = req.query.nextStep || "/ponovo";
+  const emailFrequency =
+    parseInt(req.body.emailFrequency) || EMAIL_FREQUENCY.ASAP.id;
+  const emailInput = req.body.email;
+  const emailConfirmInput = req.body.confirmEmail;
+  const title = "Da li je ovo to što ste tražili ?";
+  const queryReviewTableData = getQueryReviewTableData(searchRequest);
+
+  let emailFrequencyStringId = EMAIL_FREQUENCY.ASAP.stringId;
+  if (emailFrequency === EMAIL_FREQUENCY.DAILY.id) {
+    emailFrequencyStringId = EMAIL_FREQUENCY.DAILY.stringId;
+  }
+
+  searchRequest.emailFrequency = emailFrequencyStringId;
+
+  if (emailInput !== emailConfirmInput) {
+    const error = "Greška ! Unešeni emailovi nisu isti";
+    res.render("queryReview", {
+      error,
+      title,
+      queryReviewTableData,
+      email: ""
+    });
+    return;
+  }
+
+  if (!isValidEmail(emailInput)) {
+    const error = "Greška ! Unesite validan email";
+    res.render("queryReview", {
+      error,
+      title,
+      queryReviewTableData,
+      email: ""
+    });
+    return;
+  }
+
+  searchRequest.email = emailInput;
+  searchRequest.subscribed = true;
+
+  try {
+    await searchRequest.save();
+  } catch (e) {
+    console.log("[ERROR] Failed to save search request !", e);
+    console.log("Search request : ", searchRequest);
+    const error =
+      "Greška ! Nismo uspjeli kreirati zahtjev za Vašu pretragu. Molimo pokuštajte ponovo";
+    res.render("queryReview", {
+      error,
+      title,
+      queryReviewTableData,
+      email: ""
+    });
+    return;
+  }
+
+  try {
+    await notifyForNewSearchRequest(searchRequest);
+  } catch (e) {
+    console.log("[ERROR] Failed to send initial welcome email", e);
+    console.log("Search request : ", searchRequest);
+
+    const error =
+      "Greška ! Nismo uspjeli poslati email na Vašu adresu, pokušajte sa drugom email adresom";
+    res.render("queryReview", {
+      error,
+      title,
+      queryReviewTableData,
+      email: ""
+    });
+    return;
+  }
+
+  res.redirect(nextStep);
+};
+
+module.exports = {
+  getQueryReview,
+  postQueryReview
+};

app/controllers/realEstateFilters.js

@@ -0,0 +1,243 @@
+const { currentSearchRequest } = require("../helpers/url");
+const { AD_CATEGORY, AD_TYPE, ACCESS_ROAD_TYPE } = require("../common/enums");
+const {
+  ADVANCED_BOOLEAN_FILTERS,
+  ADVANCED_SEGMENT_SELECT_FILTERS,
+  ADVANCED_RANGE_FILTERS
+} = require("../common/filterEnums");
+
+const getFilters = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  const title = "Filteri za pretraživanje";
+
+  const {
+    adType,
+    realEstateType,
+    priceMin,
+    priceMax,
+    sizeMin,
+    sizeMax,
+    gardenSizeMin,
+    gardenSizeMax,
+    numberOfRoomsMin,
+    numberOfRoomsMax,
+    numberOfFloorsMin,
+    numberOfFloorsMax,
+    floorMin,
+    floorMax,
+    includeIncompleteAds,
+    balcony,
+    elevator,
+    newBuilding,
+    accessRoadType
+  } = searchRequest;
+  const category = AD_CATEGORY[realEstateType] || AD_CATEGORY.FLAT;
+
+  const {
+    hasGardenSize,
+    priceSliderOptionsSale,
+    priceSliderOptionsRent,
+    sizeSliderOptions,
+    gardenSizeSliderOptions
+  } = category;
+
+  let priceSliderOptions;
+  if (adType === AD_TYPE.AD_TYPE_SALE.stringId) {
+    priceSliderOptions = Object.assign({}, priceSliderOptionsSale);
+  } else if (adType === AD_TYPE.AD_TYPE_RENT.stringId) {
+    priceSliderOptions = Object.assign({}, priceSliderOptionsRent);
+  } else {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  // TODO: Maybe this is slow, pay attention to this
+  const filterFilters = filterObject => {
+    const filterCategories = filterObject.categoriesToShow;
+    return filterCategories.indexOf(category) !== -1;
+  };
+
+  const advancedBooleanFilterObjects = ADVANCED_BOOLEAN_FILTERS.filter(
+    filterFilters
+  );
+  const advancedSegmentSelectFilterObjects = ADVANCED_SEGMENT_SELECT_FILTERS.filter(
+    filterFilters
+  );
+  const advancedRangeFilterObjects = ADVANCED_RANGE_FILTERS.filter(
+    filterFilters
+  );
+
+  const advancedBooleanFilterValues = {
+    includeIncompleteAds,
+    balcony,
+    elevator,
+    newBuilding
+  };
+  const advancedSegmentSelectFilterValues = {
+    accessRoadType
+  };
+  const advancedRangeFilterValues = {
+    numberOfFloorsMin,
+    numberOfFloorsMax,
+    numberOfRoomsMin,
+    numberOfRoomsMax,
+    floorMin,
+    floorMax
+  };
+
+  if (priceMin || priceMax) {
+    priceSliderOptions.start = [priceMin, priceMax];
+  }
+
+  if (sizeMin || sizeMax) {
+    sizeSliderOptions.start = [sizeMin, sizeMax];
+  }
+
+  if (gardenSizeSliderOptions && (gardenSizeMin || gardenSizeMax)) {
+    gardenSizeSliderOptions.start = [gardenSizeMin, gardenSizeMax];
+  }
+
+  res.render("realEstateFilters", {
+    title,
+    hasGardenSize,
+    priceSliderOptions: JSON.stringify(priceSliderOptions),
+    sizeSliderOptions: JSON.stringify(sizeSliderOptions),
+    gardenSizeSliderOptions: JSON.stringify(gardenSizeSliderOptions),
+    advancedBooleanFilterObjects,
+    advancedBooleanFilterValues,
+    advancedSegmentSelectFilterObjects,
+    advancedSegmentSelectFilterValues,
+    advancedRangeFilterObjects,
+    advancedRangeFilterValues,
+    includeIncompleteAds
+  });
+};
+
+const postFilters = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  const nextStepPage = req.query.nextStep || "pregled";
+  const nextStepUrl = `/${nextStepPage}/${searchRequest.id}`;
+
+  const priceMin = parseInt(req.body.priceMin) || 0;
+  const priceMax = parseInt(req.body.priceMax) || 0;
+  const sizeMin = parseInt(req.body.sizeMin) || 0;
+  const sizeMax = parseInt(req.body.sizeMax) || 0;
+
+  const advancedRangeFilters = {};
+
+  ADVANCED_RANGE_FILTERS.forEach(filter => {
+    let parsingFunction = parseInt;
+    if (filter.decimalPlaces) {
+      parsingFunction = parseFloat;
+    }
+
+    advancedRangeFilters[filter.dbFieldMin] = parsingFunction(
+      req.body[filter.dbFieldMin]
+    );
+    advancedRangeFilters[filter.dbFieldMax] = parsingFunction(
+      req.body[filter.dbFieldMax]
+    );
+
+    advancedRangeFilters[filter.dbFieldMin] = isNaN(
+      advancedRangeFilters[filter.dbFieldMin]
+    )
+      ? null
+      : advancedRangeFilters[filter.dbFieldMin];
+    advancedRangeFilters[filter.dbFieldMax] = isNaN(
+      advancedRangeFilters[filter.dbFieldMax]
+    )
+      ? null
+      : advancedRangeFilters[filter.dbFieldMax];
+
+    try {
+      if (filter.decimalPlaces) {
+        advancedRangeFilters[filter.dbFieldMin] = advancedRangeFilters[
+          filter.dbFieldMin
+        ].toFixed(filter.decimalPlaces);
+        advancedRangeFilters[filter.dbFieldMax] = advancedRangeFilters[
+          filter.dbFieldMax
+        ].toFixed(filter.decimalPlaces);
+      }
+    } catch (e) {
+      advancedRangeFilters[filter.dbFieldMin] = null;
+      advancedRangeFilters[filter.dbFieldMax] = null;
+    }
+
+    if (
+      advancedRangeFilters[filter.dbFieldMin] < filter.validValueMin ||
+      advancedRangeFilters[filter.dbFieldMin] > filter.validValueMax
+    ) {
+      advancedRangeFilters[filter.dbFieldMin] = filter.validValueMin;
+    }
+
+    if (
+      advancedRangeFilters[filter.dbFieldMax] < filter.validValueMin ||
+      advancedRangeFilters[filter.dbFieldMax] > filter.validValueMax
+    ) {
+      advancedRangeFilters[filter.dbFieldMax] = filter.validValueMax;
+    }
+  });
+
+  const includeIncompleteAds = req.body.includeIncompleteAds === "on";
+
+  const balcony = req.body.balcony === "on";
+  const elevator = req.body.elevator === "on";
+  const newBuilding = req.body.newBuilding === "on";
+
+  const accessRoadType = req.body.accessRoadType;
+  if (!ACCESS_ROAD_TYPE[accessRoadType]) {
+    res.render("notFound", { title: " Greška !" });
+    return;
+  }
+
+  //TODO: Filter validation
+  searchRequest.priceMin = priceMin;
+  searchRequest.priceMax = priceMax;
+  searchRequest.sizeMin = sizeMin;
+  searchRequest.sizeMax = sizeMax;
+
+  for (const filter of Object.keys(advancedRangeFilters)) {
+    searchRequest[filter] = advancedRangeFilters[filter];
+  }
+
+  searchRequest.balcony = balcony;
+  searchRequest.elevator = elevator;
+  searchRequest.newBuilding = newBuilding;
+
+  searchRequest.includeIncompleteAds = includeIncompleteAds;
+
+  searchRequest.accessRoadType = accessRoadType;
+
+  if (
+    req.body.gardenSizeMin !== undefined &&
+    req.body.gardenSizeMax !== undefined
+  ) {
+    const gardenSizeMin = parseInt(req.body.gardenSizeMin);
+    const gardenSizeMax = parseInt(req.body.gardenSizeMax);
+
+    //TODO: Filter validation
+
+    searchRequest.gardenSizeMin = gardenSizeMin;
+    searchRequest.gardenSizeMax = gardenSizeMax;
+  }
+  await searchRequest.save();
+
+  res.redirect(nextStepUrl);
+};
+
+module.exports = {
+  getFilters,
+  postFilters
+};

app/controllers/realEstateTypes.js

@@ -0,0 +1,81 @@
+const { currentSearchRequest } = require("../helpers/url");
+const { createSearchRequest } = require("../helpers/db/searchRequest");
+
+const { AD_CATEGORY, AD_TYPE } = require("../common/enums");
+
+const getRealEstateTypes = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  const title = "Koju nekretninu tražite?";
+  let selectedAdType = AD_TYPE.AD_TYPE_SALE.id;
+  if (
+    searchRequest &&
+    searchRequest.adType &&
+    searchRequest.adType === AD_TYPE.AD_TYPE_RENT.stringId
+  ) {
+    selectedAdType = AD_TYPE.AD_TYPE_RENT.id;
+  }
+  const realEstateTypes = Object.keys(AD_CATEGORY)
+    .map(category => AD_CATEGORY[category])
+    .filter(category => category.title);
+
+  res.render("realEstateType", {
+    selectedAdType,
+    realEstateTypes,
+    title,
+    AD_TYPE
+  });
+};
+
+const postRealEstateTypes = async (req, res) => {
+  const searchRequest = await currentSearchRequest(req);
+
+  const adType = parseInt(req.body.adType);
+
+  const adTypeStringIds = {
+    [AD_TYPE.AD_TYPE_SALE.id]: AD_TYPE.AD_TYPE_SALE.stringId,
+    [AD_TYPE.AD_TYPE_RENT.id]: AD_TYPE.AD_TYPE_RENT.stringId
+  };
+
+  const adTypeStringId =
+    adTypeStringIds[adType] || AD_TYPE.AD_TYPE_SALE.stringId;
+
+  const validRealEstateTypes = Object.keys(AD_CATEGORY).filter(
+    category => !!AD_CATEGORY[category].title
+  );
+
+  const selectedRealEstateType = req.body.realEstateType || null;
+  if (validRealEstateTypes.indexOf(selectedRealEstateType) === -1) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  const nextStepPage = req.query.nextStep || "lokacija";
+
+  let nextStepUrl = "";
+  if (searchRequest && searchRequest.id) {
+    nextStepUrl = `/${nextStepPage}/${searchRequest.id}`;
+    searchRequest.adType = adTypeStringId;
+    searchRequest.realEstateType = selectedRealEstateType;
+
+    await searchRequest.save();
+  } else {
+    try {
+      const newSearchRequest = await createSearchRequest({
+        adType: adTypeStringId,
+        realEstateType: selectedRealEstateType
+      });
+
+      nextStepUrl = `/${nextStepPage}/${newSearchRequest.id}`;
+    } catch (error) {
+      console.log(error);
+      nextStepUrl = `/`;
+    }
+  }
+  res.redirect(nextStepUrl);
+};
+
+module.exports = {
+  getRealEstateTypes,
+  postRealEstateTypes
+};

app/controllers/realEstates.js

@@ -0,0 +1,16 @@
+"use strict";
+const {
+  findRealEstatesForSearchRequest
+} = require("../helpers/db/searchRequestMatch");
+
+const getRealEstates = async (req, res) => {
+  const searchRequestId = req.params["searchRequestId"] || "";
+  const realEstates = await findRealEstatesForSearchRequest(searchRequestId);
+
+  const title = "Nekretnine koje odgovaraju Vašim uslovima pretrage";
+  res.render("realEstates", { realEstates, title });
+};
+
+module.exports = {
+  getRealEstates
+};

app/controllers/redirect.js

@@ -0,0 +1,33 @@
+const { getRealEstateById } = require("../helpers/db/realEstate");
+
+const getRedirect = async (req, res) => {
+  const id = req.params.id || null;
+  let error = false;
+  let redirectUrl = undefined;
+  if (!id) {
+    error = true;
+  } else {
+    try {
+      const realEstate = await getRealEstateById(id);
+      if (!realEstate) {
+        error = true;
+      } else {
+        redirectUrl = realEstate.url;
+      }
+    } catch (e) {
+      error = true;
+    }
+  }
+
+  if (error) {
+    const title = "";
+    res.render("notFound", { title });
+  } else {
+    const title = "Preusmjeravanje";
+    res.render("redirect", { title, redirectUrl });
+  }
+};
+
+module.exports = {
+  getRedirect
+};

app/controllers/unsubscribe.js

@@ -0,0 +1,22 @@
+const { currentSearchRequest } = require("../helpers/url");
+
+const getUnsubscribe = async (req, res) => {
+  const title = "Uspješno ste se odjavili";
+  const searchRequest = await currentSearchRequest(req);
+
+  if (!searchRequest || !searchRequest.dataValues) {
+    res.render("notFound", { title: " " });
+    return;
+  }
+
+  searchRequest.subscribed = false;
+  searchRequest.deletedEmail = searchRequest.email;
+  searchRequest.email = "";
+  await searchRequest.save();
+
+  res.render("unsubscribe", { nextStep: "/vrstanekretnine", title });
+};
+
+module.exports = {
+  getUnsubscribe
+};

app/controllers/welcome.js

@@ -0,0 +1,42 @@
+const { createSearchRequest } = require("../helpers/db/searchRequest");
+
+const { AD_TYPE, AD_CATEGORY } = require("../common/enums");
+
+const getWelcome = (req, res) => {
+  res.render("welcome", {
+    title: false,
+    AD_TYPE
+  });
+};
+
+const postWelcome = async (req, res) => {
+  const adType = parseInt(req.body.adType);
+
+  const adTypeStringIds = {
+    [AD_TYPE.AD_TYPE_SALE.id]: AD_TYPE.AD_TYPE_SALE.stringId,
+    [AD_TYPE.AD_TYPE_RENT.id]: AD_TYPE.AD_TYPE_RENT.stringId
+  };
+
+  const adTypeStringId =
+    adTypeStringIds[adType] || AD_TYPE.AD_TYPE_SALE.stringId;
+
+  let nextStepUrl = "";
+  try {
+    const newSearchRequest = await createSearchRequest({
+      adType: adTypeStringId,
+      realEstateType: AD_CATEGORY.FLAT.id
+    });
+
+    nextStepUrl = `/vrstanekretnine/${newSearchRequest.id}`;
+  } catch (error) {
+    console.log(error);
+    nextStepUrl = `/`;
+  }
+
+  res.redirect(nextStepUrl);
+};
+
+module.exports = {
+  getWelcome,
+  postWelcome
+};

app/crawler/crawl.js

@@ -0,0 +1,81 @@
+"use strict";
+/*
+   Entry point for crawling functionality
+   All communication between crawlers and savers is here
+   All environment specific configuration is read here and
+   passed to the crawlers and savers.
+*/
+const OlxCrawler = require("./specificCrawlers/olx");
+const RentalCrawler = require("./specificCrawlers/rental");
+const ProstorCrawler = require("./specificCrawlers/prostor");
+const AktidoCrawler = require("./specificCrawlers/aktido");
+
+const {
+  OLX_CONFIG,
+  RENTAL_CONFIG,
+  PROSTOR_CONFIG,
+  AKTIDO_CONFIG
+} = require("./crawlerConfig");
+const PostgresSaver = require("./savers/postgres");
+
+async function crawlAll() {
+  const postgresSaver = new PostgresSaver();
+
+  const crawlers = [
+    new OlxCrawler(
+      [postgresSaver],
+      OLX_CONFIG.OLX_CRAWLER_AD_TYPE,
+      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_DELAY_BETWEEN_PAGES
+    ),
+    new RentalCrawler(
+      [postgresSaver],
+      RENTAL_CONFIG.RENTAL_CRAWLER_AD_TYPE,
+      RENTAL_CONFIG.RENTAL_CRAWLER_AD_CATEGORIES,
+      RENTAL_CONFIG.RENTAL_MAX_PAGES,
+      RENTAL_CONFIG.RENTAL_MAX_RESULTS_PER_PAGE,
+      RENTAL_CONFIG.RENTAL_IGNORED_USERNAMES,
+      RENTAL_CONFIG.RENTAL_DELAY_BETWEEN_PAGES
+    ),
+    new ProstorCrawler(
+      [postgresSaver],
+      PROSTOR_CONFIG.PROSTOR_CRAWLER_AD_TYPE,
+      PROSTOR_CONFIG.PROSTOR_CRAWLER_AD_CATEGORIES,
+      PROSTOR_CONFIG.PROSTOR_MAX_PAGES,
+      PROSTOR_CONFIG.PROSTOR_MAX_RESULTS_PER_PAGE,
+      PROSTOR_CONFIG.PROSTOR_IGNORED_USERNAMES,
+      PROSTOR_CONFIG.PROSTOR_DELAY_BETWEEN_PAGES
+    ),
+    new AktidoCrawler(
+      [postgresSaver],
+      AKTIDO_CONFIG.AKTIDO_CRAWLER_AD_TYPE,
+      AKTIDO_CONFIG.AKTIDO_CRAWLER_AD_CATEGORIES,
+      AKTIDO_CONFIG.AKTIDO_MAX_PAGES,
+      AKTIDO_CONFIG.AKTIDO_MAX_RESULTS_PER_PAGE,
+      AKTIDO_CONFIG.AKTIDO_IGNORED_USERNAMES,
+      AKTIDO_CONFIG.AKTIDO_DELAY_BETWEEN_PAGES
+    )
+  ];
+
+  const newRealEstates = [];
+
+  for (const crawler of crawlers) {
+    try {
+      const newRealEstatesFromSingleCrawler = await crawler.crawl();
+      if (Array.isArray(newRealEstatesFromSingleCrawler)) {
+        newRealEstates.push(...newRealEstatesFromSingleCrawler);
+      }
+    } catch (e) {
+      console.log("Error crawling. Trying next crawler! ", e);
+    }
+  }
+
+  return newRealEstates;
+}
+
+module.exports = {
+  crawlAll
+};

app/crawler/crawlerConfig.js

@@ -0,0 +1,14 @@
+"use strict";
+require("dotenv").config({ path: __dirname + "/./../../.env" });
+
+const OLX_CONFIG = require("./specificConfigs/olx");
+const RENTAL_CONFIG = require("./specificConfigs/rental");
+const PROSTOR_CONFIG = require("./specificConfigs/prostor");
+const AKTIDO_CONFIG = require("./specificConfigs/aktido");
+
+module.exports = {
+  OLX_CONFIG,
+  RENTAL_CONFIG,
+  PROSTOR_CONFIG,
+  AKTIDO_CONFIG
+};

app/crawler/npmCrawl.js

@@ -0,0 +1,5 @@
+const { crawlAll } = require("./crawl");
+
+(async () => {
+  await crawlAll();
+})();

app/crawler/savers/postgres.js

@@ -0,0 +1,47 @@
+const moment = require("moment");
+
+const { bulkUpsertRealEstates } = require("../../helpers/db/realEstate");
+
+class PostgresSaver {
+  connect() {
+    //TODO: It seems we never worry about open/close connection with Sequelize ?
+    //TODO: Check if postgres is ready
+    return true;
+  }
+
+  async save(results) {
+    const savedRecords = await bulkUpsertRealEstates(results);
+
+    if (Array.isArray(savedRecords)) {
+      const newRealEstates = [];
+      const existingRealEstates = [];
+
+      for (const savedRecord of savedRecords) {
+        const { createdAt, updatedAt } = savedRecord;
+
+        const createdAtMoment = moment.utc(createdAt);
+        const updatedAtMoment = moment.utc(updatedAt);
+
+        if (createdAtMoment.isSame(updatedAtMoment, "second")) {
+          newRealEstates.push(savedRecord);
+        } else {
+          existingRealEstates.push(savedRecord);
+        }
+      }
+
+      return {
+        newRecords: newRealEstates,
+        existingRecords: existingRealEstates
+      };
+    } else {
+      throw { message: "[POSTGRES] Failed to save records" };
+    }
+  }
+
+  close() {
+    //TODO: It seems we never worry about open/close connection with Sequelize ?
+    return true;
+  }
+}
+
+module.exports = PostgresSaver;

app/crawler/specificConfigs/aktido.js

@@ -0,0 +1,34 @@
+"use strict";
+const { CRAWLER_AD_TYPE, AD_CATEGORY } = require("../../common/enums");
+
+const aktidoCrawlerAdType =
+  process.env.AKTIDO_CRAWLER_AD_TYPE !== undefined
+    ? CRAWLER_AD_TYPE[process.env.AKTIDO_CRAWLER_AD_TYPE]
+    : null;
+
+const aktidoParsedCrawlerAdCategories =
+  process.env.AKTIDO_CRAWLER_AD_CATEGORIES !== undefined
+    ? process.env.AKTIDO_CRAWLER_AD_CATEGORIES.split(",").map(category =>
+        category.trim()
+      )
+    : ["FLAT", "HOUSE"];
+
+const aktidoIgnoredUsernames = [];
+
+const transformedAktidoCrawlerAdCategories = aktidoParsedCrawlerAdCategories
+  .map(categoryName =>
+    AD_CATEGORY[categoryName] ? AD_CATEGORY[categoryName].id : undefined
+  )
+  .filter(category => !!category);
+
+module.exports = {
+  AKTIDO_MAX_PAGES: parseInt(process.env.AKTIDO_MAX_PAGES) || 500,
+  AKTIDO_MAX_RESULTS_PER_PAGE:
+    parseInt(process.env.AKTIDO_MAX_RESULTS_PER_PAGE) || 50,
+  AKTIDO_CRAWLER_AD_TYPE: aktidoCrawlerAdType || CRAWLER_AD_TYPE.NONE,
+  AKTIDO_CRAWLER_AD_CATEGORIES: transformedAktidoCrawlerAdCategories,
+  AKTIDO_IGNORED_USERNAMES: aktidoIgnoredUsernames || [],
+  AKTIDO_DELAY_BETWEEN_PAGES:
+    parseInt(process.env.AKTIDO_DELAY_BETWEEN_PAGES) || 1000,
+  AKTIDO_FORCE_CRAWL: !!parseInt(process.env.AKTIDO_FORCE_CRAWL)
+};

app/crawler/specificConfigs/olx.js

@@ -0,0 +1,39 @@
+"use strict";
+const { CRAWLER_AD_TYPE, AD_CATEGORY } = require("../../common/enums");
+
+const olxCrawlerAdType =
+  process.env.OLX_CRAWLER_AD_TYPE !== undefined
+    ? CRAWLER_AD_TYPE[process.env.OLX_CRAWLER_AD_TYPE]
+    : null;
+
+const olxParsedCrawlerAdCategories =
+  process.env.OLX_CRAWLER_AD_CATEGORIES !== undefined
+    ? process.env.OLX_CRAWLER_AD_CATEGORIES.split(",").map(category =>
+        category.trim()
+      )
+    : ["FLAT", "HOUSE"];
+
+const olxIgnoredUsernames =
+  process.env.OLX_IGNORED_USERNAMES !== undefined
+    ? process.env.OLX_IGNORED_USERNAMES.split(",").map(username =>
+        username.trim()
+      )
+    : [];
+
+const transformedOlxCrawlerAdCategories = olxParsedCrawlerAdCategories
+  .map(categoryName =>
+    AD_CATEGORY[categoryName] ? AD_CATEGORY[categoryName].id : undefined
+  )
+  .filter(category => !!category);
+
+module.exports = {
+  OLX_MAX_PAGES: parseInt(process.env.OLX_MAX_PAGES) || 500,
+  OLX_MAX_RESULTS_PER_PAGE:
+    parseInt(process.env.OLX_MAX_RESULTS_PER_PAGE) || 50,
+  OLX_CRAWLER_AD_TYPE: olxCrawlerAdType || CRAWLER_AD_TYPE.NONE,
+  OLX_CRAWLER_AD_CATEGORIES: transformedOlxCrawlerAdCategories,
+  OLX_IGNORED_USERNAMES: olxIgnoredUsernames || [],
+  OLX_DELAY_BETWEEN_PAGES:
+    parseInt(process.env.OLX_DELAY_BETWEEN_PAGES) || 1000,
+  OLX_FORCE_CRAWL: !!parseInt(process.env.OLX_FORCE_CRAWL)
+};

app/crawler/specificConfigs/prostor.js

@@ -0,0 +1,34 @@
+"use strict";
+const { CRAWLER_AD_TYPE, AD_CATEGORY } = require("../../common/enums");
+
+const prostorCrawlerAdType =
+  process.env.PROSTOR_CRAWLER_AD_TYPE !== undefined
+    ? CRAWLER_AD_TYPE[process.env.PROSTOR_CRAWLER_AD_TYPE]
+    : null;
+
+const prostorParsedCrawlerAdCategories =
+  process.env.PROSTOR_CRAWLER_AD_CATEGORIES !== undefined
+    ? process.env.PROSTOR_CRAWLER_AD_CATEGORIES.split(",").map(category =>
+        category.trim()
+      )
+    : ["FLAT", "HOUSE"];
+
+const prostorIgnoredUsernames = [];
+
+const transformedProstorCrawlerAdCategories = prostorParsedCrawlerAdCategories
+  .map(categoryName =>
+    AD_CATEGORY[categoryName] ? AD_CATEGORY[categoryName].id : undefined
+  )
+  .filter(category => !!category);
+
+module.exports = {
+  PROSTOR_MAX_PAGES: parseInt(process.env.PROSTOR_MAX_PAGES) || 100,
+  PROSTOR_MAX_RESULTS_PER_PAGE:
+    parseInt(process.env.PROSTOR_MAX_RESULTS_PER_PAGE) || 5000,
+  PROSTOR_CRAWLER_AD_TYPE: prostorCrawlerAdType || CRAWLER_AD_TYPE.NONE,
+  PROSTOR_CRAWLER_AD_CATEGORIES: transformedProstorCrawlerAdCategories,
+  PROSTOR_IGNORED_USERNAMES: prostorIgnoredUsernames || [],
+  PROSTOR_DELAY_BETWEEN_PAGES:
+    parseInt(process.env.PROSTOR_DELAY_BETWEEN_PAGES) || 1000,
+  PROSTOR_FORCE_CRAWL: !!parseInt(process.env.PROSTOR_FORCE_CRAWL)
+};

app/crawler/specificConfigs/rental.js

@@ -0,0 +1,34 @@
+"use strict";
+const { CRAWLER_AD_TYPE, AD_CATEGORY } = require("../../common/enums");
+
+const rentalCrawlerAdType =
+  process.env.RENTAL_CRAWLER_AD_TYPE !== undefined
+    ? CRAWLER_AD_TYPE[process.env.RENTAL_CRAWLER_AD_TYPE]
+    : null;
+
+const rentalParsedCrawlerAdCategories =
+  process.env.RENTAL_CRAWLER_AD_CATEGORIES !== undefined
+    ? process.env.RENTAL_CRAWLER_AD_CATEGORIES.split(",").map(category =>
+        category.trim()
+      )
+    : ["FLAT", "HOUSE"];
+
+const rentalIgnoredUsernames = [];
+
+const transformedRentalCrawlerAdCategories = rentalParsedCrawlerAdCategories
+  .map(categoryName =>
+    AD_CATEGORY[categoryName] ? AD_CATEGORY[categoryName].id : undefined
+  )
+  .filter(category => !!category);
+
+module.exports = {
+  RENTAL_MAX_PAGES: parseInt(process.env.RENTAL_MAX_PAGES) || 500,
+  RENTAL_MAX_RESULTS_PER_PAGE:
+    parseInt(process.env.RENTAL_MAX_RESULTS_PER_PAGE) || 50,
+  RENTAL_CRAWLER_AD_TYPE: rentalCrawlerAdType || CRAWLER_AD_TYPE.NONE,
+  RENTAL_CRAWLER_AD_CATEGORIES: transformedRentalCrawlerAdCategories,
+  RENTAL_IGNORED_USERNAMES: rentalIgnoredUsernames || [],
+  RENTAL_DELAY_BETWEEN_PAGES:
+    parseInt(process.env.RENTAL_DELAY_BETWEEN_PAGES) || 1000,
+  RENTAL_FORCE_CRAWL: !!parseInt(process.env.RENTAL_FORCE_CRAWL)
+};

app/crawler/specificCrawlers/aktido.js

@@ -0,0 +1,846 @@
+"use strict";
+
+const fetch = require("node-fetch");
+const cheerio = require("cheerio");
+const Promise = require("bluebird");
+const moment = require("moment-timezone");
+const htmlToText = require("html-to-text");
+
+const {
+  AD_TYPE,
+  AD_CATEGORY,
+  AD_AGENCY,
+  AD_STATUS,
+  CRAWLER_AD_TYPE,
+  HEATING_TYPE,
+  ACCESS_ROAD_TYPE,
+  FURNISHING_TYPE
+} = require("../../common/enums");
+
+const {
+  DEFAULT_TIMEZONE,
+  PRINT_CRAWLER_DEBUG
+} = require("../../config/appConfig");
+
+const AKTIDO_ENUMS = {
+  AKTIDO_AD_TYPE: {
+    [CRAWLER_AD_TYPE.ALL]: "/prodaja-1/najam-2",
+    [CRAWLER_AD_TYPE.ONLY_SELL]: "/prodaja-1",
+    [CRAWLER_AD_TYPE.ONLY_RENT]: "/najam-2"
+  },
+  AKTIDO_AD_CATEGORY: {
+    [AD_CATEGORY.ALL.id]: "",
+    [AD_CATEGORY.FLAT.id]: "/tip-2",
+    [AD_CATEGORY.HOUSE.id]: "/tip-1",
+    [AD_CATEGORY.LAND.id]: "/tip-5",
+    [AD_CATEGORY.OFFICE.id]: "/tip-4",
+    [AD_CATEGORY.APARTMENT.id]: "/tip-3",
+    [AD_CATEGORY.GARAGE.id]: "/tip-6"
+    //[AD_CATEGORY.COTTAGE.id]: ""
+  },
+  AKTIDO_PUBLISHED_DATE_FORMAT: "YYYY-MM-DD HH:mm:ss",
+  AKTIDO_RENEWED_DATE_FORMAT: "YYYY-MM-DD u HH:mm:ss"
+};
+
+const { AKTIDO_FORCE_CRAWL } = require("../specificConfigs/aktido");
+
+class AktidoCrawler {
+  constructor(
+    savers = [],
+    crawlerAdTypes = CRAWLER_AD_TYPE.ALL,
+    crawlerAdCategories = [AD_CATEGORY.FLAT, AD_CATEGORY.HOUSE],
+    maxPages = 1000,
+    maxResultsPerPage = 100,
+    ignoredUsernames = [],
+    delayBetweenPages = 1000
+  ) {
+    this.savers = savers;
+    this.baseUrl = "https://www.aktido.ba/pretraga/sortiraj-date_DESC";
+    this.crawlerAdTypes = crawlerAdTypes;
+    this.crawlerAdCategories = crawlerAdCategories;
+    this.maxPages = maxPages;
+    this.maxResultsPerPage = maxResultsPerPage;
+    this.delayBetweenPages = delayBetweenPages;
+  }
+
+  async crawl() {
+    const crawlAdCategories = this.crawlerAdCategories;
+
+    const newRealEstates = [];
+
+    if (crawlAdCategories) {
+      const indexGenerators = [];
+      for (const adCategory of crawlAdCategories) {
+        indexGenerators.push(this.categoryIndexer(adCategory));
+      }
+
+      let done = false;
+      while (!done) {
+        const categoryIndexerPromises = [];
+        const generatorsToRemove = [];
+        for (const indexGenerator of indexGenerators) {
+          categoryIndexerPromises.push(indexGenerator.next());
+          generatorsToRemove.push(false);
+        }
+
+        const singlePageResults = await Promise.all(categoryIndexerPromises);
+        const entries = singlePageResults.entries();
+
+        for (const [index, { value: singlePageResult }] of entries) {
+          if (singlePageResult) {
+            const saveResults = await this.saveCrawledResults(singlePageResult);
+            const { newRecords } = saveResults;
+
+            newRealEstates.push(...newRecords);
+
+            if (
+              Array.isArray(newRecords) &&
+              newRecords.length === 0 &&
+              !AKTIDO_FORCE_CRAWL
+            ) {
+              generatorsToRemove[index] = true;
+            }
+          } else {
+            //Generator returned undefined, remove this generator from array
+            generatorsToRemove[index] = true;
+            // console.log("Generator ", index + 1, "has no more pages");
+          }
+        }
+
+        // console.log("Generators state : ", generatorsToRemove);
+        for (let i = generatorsToRemove.length - 1; i >= 0; i--) {
+          if (generatorsToRemove[i]) {
+            // console.log("\tRemove generator ", i + 1);
+            indexGenerators.splice(i, 1);
+          }
+        }
+        if (indexGenerators.length === 0) {
+          done = true;
+        }
+
+        await this.sleep(this.delayBetweenPages);
+      }
+    }
+    return newRealEstates;
+  }
+
+  async *categoryIndexer(adCategory) {
+    let pageToIndex = 1;
+
+    const urlAdTypePart = AKTIDO_ENUMS.AKTIDO_AD_TYPE[this.crawlerAdTypes];
+    const urlCategoryPart = AKTIDO_ENUMS.AKTIDO_AD_CATEGORY[adCategory];
+    if (urlAdTypePart !== undefined && urlCategoryPart !== undefined) {
+      while (true) {
+        const urlPageToCrawl = `${this.baseUrl}${urlAdTypePart}${urlCategoryPart}/stranica-${pageToIndex}`;
+        const singlePageResults = await this.indexSinglePage(
+          urlPageToCrawl,
+          this.maxResultsPerPage
+        );
+
+        if (Array.isArray(singlePageResults) && singlePageResults.length > 0) {
+          yield singlePageResults;
+        } else {
+          return undefined;
+        }
+
+        ++pageToIndex;
+        if (pageToIndex === this.maxPages) {
+          return undefined;
+        }
+      }
+    } else {
+      return undefined;
+    }
+  }
+
+  async indexSinglePage(url, maxResultsPerPage) {
+    if (PRINT_CRAWLER_DEBUG) {
+      console.log("[AKTIDO] Index page : ", url);
+    }
+
+    try {
+      const res = await fetch(url);
+      const body = await res.text();
+      const $ = cheerio.load(body);
+      let hrefs = [];
+
+      $(
+        "body > div > div.container > div.row > div.col-xs-12.col-sm-12.col-md-12.col-lg-9.content-main > div.row.box-items.group-grid-view"
+      )
+        .find(".moreInfo")
+        .each((i, elem) => {
+          const href = $(elem)
+            .find("a")
+            .first()
+            .attr("href");
+          if (href) {
+            hrefs.push(href);
+          }
+        });
+
+      let actualNoOfResults =
+        hrefs.length <= maxResultsPerPage ? hrefs.length : maxResultsPerPage;
+
+      const asyncScraping = [];
+      for (let i = 0; i < actualNoOfResults; i++) {
+        asyncScraping.push(this.scrapeAd(hrefs[i]));
+      }
+
+      const scrapedData = await Promise.all(asyncScraping);
+      const filteredScrapedData = scrapedData.filter(adData => !!adData);
+      return filteredScrapedData;
+    } catch (e) {
+      console.error("[AKTIDO] Exception caught:" + e);
+      return [];
+    }
+  }
+
+  async scrapeAd(url) {
+    // console.log("[AKTIDO] Scraping : ", url);
+    try {
+      const adPageSource = await fetch(url);
+      const body = await adPageSource.text();
+      const $ = cheerio.load(body);
+
+      const mapElementParent = $(".box-map").parent();
+      const scriptElement = $("script", mapElementParent);
+      if (
+        scriptElement[0] &&
+        scriptElement[0].children &&
+        scriptElement[0].children[0] &&
+        scriptElement[0].children[0].data
+      ) {
+        let extractedData;
+        try {
+          //data string starts with : var json_map_data = [{"r ...
+          //so we remove first 20 characters
+
+          const jsonData = scriptElement[0].children[0].data.substring(20);
+          const parsedJsonData = JSON.parse(jsonData);
+          extractedData = parsedJsonData[0];
+        } catch (e) {
+          throw { message: "Can't find ad data JSON" };
+        }
+
+        let adStatus = AD_STATUS.STATUS_NORMAL;
+        const aktidoId = extractedData["re_realEstates_id"];
+        const adCategory = this.getKiviCategoryIdFromAktidoId(
+          parseInt(extractedData["re_types_id"])
+        );
+        if (!adCategory) {
+          throw {
+            message: `Invalid category : ${extractedData["re_types_id"]}`
+          };
+        }
+        const adType = this.getKiviAdTypeFromAktidoActionId(
+          parseInt(extractedData["re_action_id"])
+        );
+        if (!adType) {
+          throw {
+            message: `Invalid ad type : ${extractedData["re_action_id"]}`
+          };
+        }
+
+        const descriptionIds = extractedData["re_descriptions_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(descriptionIds)) {
+          throw {
+            message:
+              'Expected array od descriptions but "re_descriptions_id" not found !'
+          };
+        }
+
+        const spaceIds = extractedData["re_spaces_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(spaceIds)) {
+          throw {
+            message: 'Expected array od spaces but "re_spaces_id" not found !'
+          };
+        }
+
+        const infrastructureIds = extractedData["re_infrastructure_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(infrastructureIds)) {
+          throw {
+            message:
+              'Expected array od infrastructures but "re_infrastructure_id" not found !'
+          };
+        }
+
+        const floorNoIds = extractedData["re_floorNO_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(floorNoIds)) {
+          throw {
+            message:
+              'Expected array od infrastructures but "re_floorNO_id" not found !'
+          };
+        }
+
+        // counting floor enums
+        // for (let i = 1; i < 10; i++) {
+        //   const floorEnumsTitle = $(
+        //     `body > div.container-fluid > div.container > div:nth-child(2) > div.col-xs-12.col-sm-12.col-md-12.col-lg-9.content-main > div:nth-child(1) > div > div > div.col-xs-12.col-sm-4.box-details > div.body > p:nth-child(${i}) > span:nth-child(1)`
+        //   )
+        //     .text()
+        //     .trim();
+        //   if (floorEnumsTitle === "Spratnost:") {
+        //     const floorEnumsValue = $(
+        //       `body > div.container-fluid > div.container > div:nth-child(2) > div.col-xs-12.col-sm-12.col-md-12.col-lg-9.content-main > div:nth-child(1) > div > div > div.col-xs-12.col-sm-4.box-details > div.body > p:nth-child(${i}) > span:nth-child(2)`
+        //     )
+        //       .text()
+        //       .trim()
+        //       .split(",");
+        //
+        //     console.log("==========");
+        //     floorNoIds.forEach((id, index) => {
+        //       console.log("\t", id, " = ", floorEnumsValue[index]);
+        //     });
+        //     break;
+        //   }
+        // }
+
+        // enumerating infrastructure - relation between id and infrastructure title
+        // let found = false;
+        // let infrastructureDescriptions = {};
+        // for (let i = 1; i < 5; i++) {
+        //   found = false;
+        //   for (let j = 1; j < 10; j++) {
+        //     const infrastructureTitle = $(
+        //       `#b2 > div > div:nth-child(${i}) > div > ul > li:nth-child(${j}) > strong`
+        //     )
+        //       .text()
+        //       .trim();
+        //     if (infrastructureTitle === "Osnovna infrastruktura:") {
+        //       found = true;
+        //
+        //       const infrastructureValues = $(
+        //         `#b2 > div > div:nth-child(${i}) > div > ul > li:nth-child(${j}) > div`
+        //       )
+        //         .text()
+        //         .trim()
+        //         .split(",");
+        //
+        //       infrastructureIds.forEach((id, index) => {
+        //         infrastructureDescriptions[id] = infrastructureValues[index];
+        //       });
+        //     }
+        //   }
+        //   if (found) {
+        //     break;
+        //   }
+        // }
+
+        const realEstatePropertiesFromDescriptions = this.getPropertiesFromDescriptions(
+          descriptionIds
+        );
+        const realEstatePropertiesFromSpaces = this.getPropertiesFromSpaces(
+          spaceIds
+        );
+
+        const realEstatePropertiesFromInfrastructure = this.getPropertiesFromInfrastructure(
+          infrastructureIds
+        );
+
+        if (extractedData["adm_realEstates_discount"] === "1") {
+          adStatus = AD_STATUS.STATUS_DISCOUNTED;
+        }
+
+        let numberOfRooms =
+            parseInt(extractedData["re_realEstates_roomsNO"]) +
+              parseInt(extractedData["re_realEstates_bedroomNO"]) || null,
+          numberOfFloors =
+            parseInt(extractedData["re_realEstates_floorsNO"]) ||
+            this.getNumberOfFloorsFromFloorId(extractedData["re_floorNO_id"]),
+          floor =
+            parseInt(extractedData["re_realEstates_floorNO"]) ||
+            this.getFloorNumberFromFloorId(extractedData["re_floorNO_id"]),
+          accessRoadType = realEstatePropertiesFromDescriptions.accessRoadType,
+          heatingType =
+            this.getHeatingTypeId(extractedData["re_heating_id"]) || null,
+          furnishingType = realEstatePropertiesFromDescriptions.furnishingType,
+          balcony =
+            realEstatePropertiesFromDescriptions.balcony ||
+            realEstatePropertiesFromSpaces.balcony,
+          newBuilding = extractedData["op_realEstates_newBuilding"]
+            ? extractedData["op_realEstates_newBuilding"] === "1"
+            : null,
+          elevator = realEstatePropertiesFromDescriptions.elevator,
+          water =
+            realEstatePropertiesFromDescriptions.water ||
+            realEstatePropertiesFromInfrastructure.water,
+          electricity =
+            realEstatePropertiesFromDescriptions.electricity ||
+            realEstatePropertiesFromInfrastructure.electricity,
+          drainageSystem =
+            realEstatePropertiesFromInfrastructure.drainageSystem,
+          registeredInZkBooks =
+            extractedData["op_realEstates_ownerPermit"] === 1 || null,
+          recentlyAdapted = null,
+          parking =
+            realEstatePropertiesFromDescriptions.parking ||
+            realEstatePropertiesFromSpaces.parking,
+          garage = realEstatePropertiesFromSpaces.garage,
+          gas = realEstatePropertiesFromInfrastructure.gas,
+          antiTheftDoor = realEstatePropertiesFromDescriptions.antiTheftDoor,
+          airCondition = realEstatePropertiesFromDescriptions.airCondition,
+          phoneConnection =
+            realEstatePropertiesFromInfrastructure.phoneConnection,
+          cableTV = realEstatePropertiesFromInfrastructure.cableTV,
+          internet = realEstatePropertiesFromInfrastructure.internet,
+          basementAttic = realEstatePropertiesFromSpaces.basementAttic,
+          storeRoom = realEstatePropertiesFromSpaces.storeRoom,
+          videoSurveillance =
+            realEstatePropertiesFromDescriptions.videoSurveillance ||
+            realEstatePropertiesFromInfrastructure.videoSurveillance,
+          alarm = realEstatePropertiesFromDescriptions.alarm,
+          suitableForStudents = null,
+          includingBills =
+            extractedData["op_realEstates_utilitiesIncluded"] === "1" || null,
+          animalsAllowed = null,
+          pool = realEstatePropertiesFromDescriptions.pool,
+          urbanPlanPermit =
+            extractedData["op_realEstates_locationPermit"] === "1" ||
+            realEstatePropertiesFromDescriptions.urbanPlanPermit,
+          buildingPermit =
+            extractedData["op_realEstates_buildingPermit"] === "1" || null,
+          utilityConnection =
+            realEstatePropertiesFromDescriptions.utilityConnection,
+          distanceToRiver = null,
+          numberOfViewsAgency = null;
+
+        const title = extractedData["re_realEstates_portalName"];
+        const extractedPrice = parseFloat(
+          extractedData["re_realEstates_price"]
+        );
+        const price = extractedPrice ? extractedPrice : null;
+        const area = parseFloat(extractedData["re_realEstates_area"]);
+        const gardenSize = parseFloat(
+          extractedData["re_realEstates_fieldArea"]
+        );
+        const longDescription = htmlToText.fromString(
+          extractedData["re_realEstates_description"]
+        );
+        const locationLong = extractedData["re_realEstates_longitude"];
+        const locationLat = extractedData["re_realEstates_latitude"];
+        const publishedDateMoment = moment.tz(
+          extractedData["re_realEstates_inserted"],
+          AKTIDO_ENUMS.AKTIDO_PUBLISHED_DATE_FORMAT,
+          DEFAULT_TIMEZONE
+        );
+        if (!publishedDateMoment.isValid()) {
+          throw {
+            message: `Invalid published date : ${
+              extractedData["re_realEstates_inserted"]
+            }`
+          };
+        }
+
+        const renewedDateMoment = moment.tz(
+          extractedData["re_realEstates_edited"],
+          AKTIDO_ENUMS.AKTIDO_RENEWED_DATE_FORMAT,
+          DEFAULT_TIMEZONE
+        );
+        if (!renewedDateMoment.isValid()) {
+          throw {
+            message: `Invalid renewed date : ${
+              extractedData["re_realEstates_edited"]
+            }`
+          };
+        }
+
+        const data = {
+          url,
+          agencyObjectId: aktidoId,
+          originAgencyName: AD_AGENCY.AKTIDO,
+          realEstateType: adCategory,
+          adType,
+          title,
+          price,
+          area,
+          gardenSize,
+          shortDescription: "",
+          longDescription: longDescription,
+          streetNumber: 0,
+          streetName: "",
+          locality: "",
+          municipality: "",
+          city: "",
+          region: "",
+          entity: "",
+          country: "",
+          locationLat,
+          locationLong,
+          adStatus,
+          publishedDate: publishedDateMoment.toISOString(),
+          renewedDate: renewedDateMoment.toISOString(),
+          numberOfRooms,
+          numberOfFloors,
+          floor,
+          accessRoadType,
+          heatingType,
+          furnishingType,
+          balcony,
+          newBuilding,
+          elevator,
+          water,
+          electricity,
+          drainageSystem,
+          registeredInZkBooks,
+          recentlyAdapted,
+          parking,
+          garage,
+          gas,
+          antiTheftDoor,
+          airCondition,
+          phoneConnection,
+          cableTV,
+          internet,
+          basementAttic,
+          storeRoom,
+          videoSurveillance,
+          alarm,
+          suitableForStudents,
+          includingBills,
+          animalsAllowed,
+          pool,
+          urbanPlanPermit,
+          buildingPermit,
+          utilityConnection,
+          distanceToRiver,
+          numberOfViewsAgency
+        };
+
+        return data;
+      } else {
+        console.log("[AKTIDO] No JSON data for this ad : ", url);
+        return null;
+      }
+    } catch (e) {
+      console.error("[AKTIDO] Exception caught: " + e.message, "\r\nURL:", url);
+      return null;
+    }
+    return null;
+  }
+
+  //======= HELPER FUNCTIONS =============
+
+  getKiviCategoryIdFromAktidoId(aktidoCategoryId) {
+    switch (aktidoCategoryId) {
+      case 1:
+        return AD_CATEGORY.HOUSE.id;
+      case 2:
+        return AD_CATEGORY.FLAT.id;
+      case 3:
+        return AD_CATEGORY.APARTMENT.id;
+      case 4:
+        return AD_CATEGORY.OFFICE.id;
+      case 5:
+        return AD_CATEGORY.LAND.id;
+      case 6:
+        return AD_CATEGORY.GARAGE.id;
+      default:
+        return undefined;
+    }
+  }
+
+  getKiviAdTypeFromAktidoActionId(actionId) {
+    switch (actionId) {
+      case 1:
+        return AD_TYPE.AD_TYPE_SALE.stringId;
+      case 2:
+        return AD_TYPE.AD_TYPE_RENT.stringId;
+      default:
+        return undefined;
+    }
+  }
+
+  getPropertiesFromDescriptions(descriptionIds) {
+    const result = {
+      accessRoadType: null,
+      furnishingType: null,
+      balcony: null,
+      elevator: null,
+      parking: null,
+      antiTheftDoor: null,
+      airCondition: null,
+      videoSurveillance: null,
+      alarm: null,
+      pool: null,
+      urbanPlanPermit: null,
+      utilityConnection: null,
+      water: null,
+      electricity: null
+    };
+
+    for (const descriptionId of descriptionIds) {
+      switch (descriptionId) {
+        case 16:
+          result.furnishingType = FURNISHING_TYPE.NOT_FURNISHED.id;
+          break;
+        case 17:
+          result.furnishingType = FURNISHING_TYPE.HALF_FURNISHED.id;
+          break;
+        case 1:
+        case 28:
+          result.furnishingType = FURNISHING_TYPE.FURNISHED.id;
+          break;
+        case 14:
+          result.elevator = true;
+          break;
+        case 39:
+          result.electricity = true;
+          break;
+        case 40:
+          result.water = true;
+          break;
+        case 41:
+        case 58:
+          result.accessRoadType = ACCESS_ROAD_TYPE.ASPHALT.id;
+          break;
+        case 26:
+          result.balcony = true;
+          break;
+        case 62:
+          result.parking = true;
+          break;
+        case 3:
+          result.antiTheftDoor = true;
+          break;
+        case 2:
+        case 21:
+          result.airCondition = true;
+          break;
+        case 4:
+          result.alarm = true;
+          break;
+        case 55:
+          result.videoSurveillance = true;
+          break;
+        case 9:
+          result.pool = true;
+          break;
+        case 60:
+          result.urbanPlanPermit = true;
+          break;
+        case 38:
+          result.utilityConnection = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getPropertiesFromSpaces(spaceIds) {
+    const result = {
+      balcony: null,
+      parking: null,
+      garage: null,
+      basementAttic: null,
+      storeRoom: null
+    };
+
+    for (const spaceId of spaceIds) {
+      switch (spaceId) {
+        case 36:
+        case 12:
+          result.parking = true;
+          break;
+        case 1:
+        case 2:
+        case 3:
+          result.balcony = true;
+          break;
+        case 4:
+        case 30:
+          result.garage = true;
+          break;
+        case 9:
+        case 10:
+          result.storeRoom = true;
+          break;
+        case 18:
+        case 34:
+        case 37:
+        case 27:
+          result.basementAttic = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getHeatingTypeId(heatingRentalId) {
+    // heatingRentalId can have multiple values, like: "1, 2, 3", parseInt will take first integer value
+    const heatingId = parseInt(heatingRentalId);
+    switch (heatingId) {
+      case 27:
+      case 16:
+        return HEATING_TYPE.GAS.id;
+      case 4:
+        return HEATING_TYPE.CENTRAL_GAS.id;
+      case 3:
+      case 23:
+      case 6:
+      case 7:
+      case 8:
+      case 9:
+      case 10:
+        return HEATING_TYPE.CENTRAL_BOILER.id;
+      case 2:
+      case 13:
+      case 30:
+      case 17:
+      case 29:
+      case 31:
+        return HEATING_TYPE.ELECTRICITY.id;
+      case 24:
+      case 25:
+      case 12:
+        return HEATING_TYPE.CENTRAL_CITY.id;
+      case 26:
+      case 21:
+      case 20:
+        return HEATING_TYPE.WOOD.id;
+      case 28:
+      case 19:
+        return HEATING_TYPE.HEAT_PUMP.id;
+      case 14:
+      case 32:
+        return HEATING_TYPE.OTHER.id;
+      default:
+        return null;
+    }
+  }
+
+  getPropertiesFromInfrastructure(infrastructureIds) {
+    const result = {
+      electricity: null,
+      water: null,
+      gas: null,
+      drainageSystem: null,
+      phoneConnection: null,
+      internet: null,
+      videoSurveillance: null,
+      cableTV: null
+    };
+
+    for (const infrastructureId of infrastructureIds) {
+      switch (infrastructureId) {
+        case 1:
+          result.electricity = true;
+          break;
+        case 2:
+          result.water = true;
+          break;
+        case 4:
+          result.gas = true;
+          break;
+        case 5:
+          result.drainageSystem = true;
+          break;
+        case 7:
+        case 8:
+          result.phoneConnection = true;
+          break;
+        case 10:
+          result.internet = true;
+          break;
+        case 11:
+          result.cableTV = true;
+          break;
+        case 16:
+        case 17:
+          result.videoSurveillance = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getFloorNumberFromFloorId(floorsIdText) {
+    // floorIdText can be array of numbers, separated by comma or number
+    // just extracting floor number from first element
+
+    const floorsId = floorsIdText.split(",");
+    if (floorsId.length === 0) {
+      return null;
+    }
+
+    const firstFloorId = parseInt(floorsId[0]);
+
+    // 1 pod
+    // 2 sut
+    // 3 raz
+    // 4 pri
+    // 5 vpri
+    // 6 prv
+    // 7 dru
+    // 8 tre
+    // 9 čet
+    // 10 man
+    // 11
+    // 12 pot
+    // 13 vpot
+    // 14 tav
+    // 15 pet
+    const floorNumber = [
+      -1,
+      -1,
+      0,
+      0,
+      1,
+      1,
+      2,
+      3,
+      4,
+      null,
+      null,
+      null,
+      null,
+      null,
+      5
+    ];
+
+    return floorNumber[firstFloorId - 1] || null;
+  }
+
+  getNumberOfFloorsFromFloorId(floorsIdText) {
+    // floorIdText can be array of numbers, separated by comma or number
+
+    const floorIds = floorsIdText.split(",");
+    if (floorIds.length === 0) {
+      return null;
+    }
+
+    return floorIds.length;
+  }
+
+  async sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
+  async saveCrawledResults(results) {
+    const savers = this.savers;
+
+    // for (const saver of savers) {
+    //   await saver.save(results);
+    // }
+
+    //For now, we use only Postgres saver, so ...
+    return savers[0].save(results);
+    //so that we can use some sequelize options and information when data is inserted
+  }
+}
+
+module.exports = AktidoCrawler;

app/crawler/specificCrawlers/olx.js

@@ -0,0 +1,888 @@
+"use strict";
+
+const fetch = require("node-fetch");
+const cheerio = require("cheerio");
+const Promise = require("bluebird");
+const moment = require("moment-timezone");
+
+const {
+  AD_TYPE,
+  AD_CATEGORY,
+  AD_AGENCY,
+  AD_STATUS,
+  CRAWLER_AD_TYPE,
+  HEATING_TYPE,
+  FURNISHING_TYPE,
+  ACCESS_ROAD_TYPE
+} = require("../../common/enums");
+
+const {
+  DEFAULT_TIMEZONE,
+  PRINT_CRAWLER_DEBUG
+} = require("../../config/appConfig");
+
+const OLX_ENUMS = {
+  OLX_AD_TYPE: {
+    [CRAWLER_AD_TYPE.ALL]: "",
+    [CRAWLER_AD_TYPE.ONLY_SELL]: "&vrsta=samoprodaja",
+    [CRAWLER_AD_TYPE.ONLY_RENT]: "&vrsta=samoizdavanje",
+    [CRAWLER_AD_TYPE.ONLY_REQUEST]: "&vrsta=samopotraznja"
+  },
+  OLX_AD_CATEGORY: {
+    [AD_CATEGORY.FLAT.id]: "&kategorija=23",
+    [AD_CATEGORY.HOUSE.id]: "&kategorija=24",
+    [AD_CATEGORY.LAND.id]: "&kategorija=29",
+    [AD_CATEGORY.OFFICE.id]: "&kategorija=25",
+    [AD_CATEGORY.APARTMENT.id]: "&kategorija=27",
+    [AD_CATEGORY.GARAGE.id]: "&kategorija=30",
+    [AD_CATEGORY.COTTAGE.id]: "&kategorija=26"
+  },
+  MAX_DETAIL_FIELDS: 30,
+  OLX_PUBLISHED_DATE_FORMAT: "DD.MM.YYYY. u HH:mm",
+  OLX_RENEWED_DATE_FORMAT: "DD.MM.YYYY. u HH:mm"
+};
+
+const { OLX_FORCE_CRAWL } = require("../specificConfigs/olx");
+
+class OlxCrawler {
+  constructor(
+    savers = [],
+    crawlerAdTypes = CRAWLER_AD_TYPE.ALL,
+    crawlerAdCategories = [AD_CATEGORY.FLAT, AD_CATEGORY.HOUSE],
+    maxPages = 1000,
+    maxResultsPerPage = 100,
+    ignoredUsernames = [],
+    delayBetweenPages = 1000
+  ) {
+    this.savers = savers;
+    this.baseUrl = "https://www.olx.ba/pretraga?sort_order=desc&sort_po=datum";
+    this.crawlerAdTypes = crawlerAdTypes;
+    this.crawlerAdCategories = crawlerAdCategories;
+    this.maxPages = maxPages;
+    this.maxResultsPerPage = maxResultsPerPage;
+    this.ignoredUsernames = ignoredUsernames;
+    this.delayBetweenPages = delayBetweenPages;
+  }
+
+  async crawl() {
+    const crawlAdCategories = this.crawlerAdCategories;
+
+    const newRealEstates = [];
+
+    if (crawlAdCategories) {
+      const indexGenerators = [];
+      for (const adCategory of crawlAdCategories) {
+        indexGenerators.push(this.categoryIndexer(adCategory));
+      }
+
+      let done = false;
+      while (!done) {
+        const categoryIndexerPromises = [];
+        const generatorsToRemove = [];
+        for (const indexGenerator of indexGenerators) {
+          categoryIndexerPromises.push(indexGenerator.next());
+          generatorsToRemove.push(false);
+        }
+
+        const singlePageResults = await Promise.all(categoryIndexerPromises);
+        const entries = singlePageResults.entries();
+
+        for (const [index, { value: singlePageResult }] of entries) {
+          if (singlePageResult) {
+            const saveResults = await this.saveCrawledResults(singlePageResult);
+            const { newRecords, existingRecords } = saveResults;
+
+            newRealEstates.push(...newRecords);
+
+            for (const existingRecord of existingRecords) {
+              const { publishedDate, renewedDate } = existingRecord;
+
+              const publishedDateMoment = moment.utc(publishedDate);
+              const renewedDateMoment = moment.utc(renewedDate);
+
+              const stopCrawlingThisCategory = publishedDateMoment.isSame(
+                renewedDateMoment,
+                "minute"
+              );
+
+              if (stopCrawlingThisCategory && !OLX_FORCE_CRAWL) {
+                generatorsToRemove[index] = true;
+                // console.log("\tGenerator ", index + 1, "has no more new ads");
+                break;
+              }
+            }
+          } else {
+            //Generator returned undefined, remove this generator from array
+            generatorsToRemove[index] = true;
+            // console.log("Generator ", index + 1, "has no more pages");
+          }
+        }
+
+        // console.log("Generators state : ", generatorsToRemove);
+        for (let i = generatorsToRemove.length - 1; i >= 0; i--) {
+          if (generatorsToRemove[i]) {
+            // console.log("\tRemove generator ", i + 1);
+            indexGenerators.splice(i, 1);
+          }
+        }
+        if (indexGenerators.length === 0) {
+          done = true;
+        }
+
+        await this.sleep(this.delayBetweenPages);
+      }
+    }
+    return newRealEstates;
+  }
+
+  async *categoryIndexer(adCategory) {
+    let pageToIndex = 1;
+
+    const urlAdTypePart = OLX_ENUMS.OLX_AD_TYPE[this.crawlerAdTypes];
+    const urlCategoryPart = OLX_ENUMS.OLX_AD_CATEGORY[adCategory];
+    if (urlAdTypePart !== undefined && urlCategoryPart !== undefined) {
+      while (true) {
+        const urlPageToCrawl = `${this.baseUrl}${urlAdTypePart}${urlCategoryPart}&stranica=${pageToIndex}`;
+        const singlePageResults = await this.indexSinglePage(
+          urlPageToCrawl,
+          this.maxResultsPerPage
+        );
+
+        if (Array.isArray(singlePageResults) && singlePageResults.length > 0) {
+          yield singlePageResults;
+        } else {
+          return undefined;
+        }
+
+        ++pageToIndex;
+        if (pageToIndex === this.maxPages) {
+          return undefined;
+        }
+      }
+    } else {
+      return undefined;
+    }
+  }
+
+  async indexSinglePage(url, maxResultsPerPage) {
+    if (PRINT_CRAWLER_DEBUG) {
+      console.log("[OLX] Index page : ", url);
+    }
+
+    try {
+      const res = await fetch(url);
+      const body = await res.text();
+      const $ = cheerio.load(body);
+      let hrefs = [];
+
+      $("#rezultatipretrage")
+        .find(".listitem")
+        .each((i, elem) => {
+          const href = $(elem)
+            .find("a")
+            .first()
+            .attr("href");
+          if (href) {
+            hrefs.push(href);
+          }
+        });
+
+      let actualNoOfResults =
+        hrefs.length <= maxResultsPerPage ? hrefs.length : maxResultsPerPage;
+
+      const asyncScraping = [];
+      for (let i = 0; i < actualNoOfResults; i++) {
+        asyncScraping.push(this.scrapeAd(hrefs[i]));
+      }
+
+      const scrapedData = await Promise.all(asyncScraping);
+      const filteredScrapedData = scrapedData.filter(adData => !!adData);
+      return filteredScrapedData;
+    } catch (e) {
+      console.error("Exception caught:" + e);
+      return [];
+    }
+  }
+
+  async scrapeAd(url) {
+    // console.log("Scraping : ", url);
+    try {
+      const adPageSource = await fetch(url);
+      const body = await adPageSource.text();
+      const $ = cheerio.load(body);
+      let status = AD_STATUS.STATUS_NORMAL;
+
+      const propertySelectors = {
+        username:
+          "#lg > div.desno2.profil > div:nth-child(2) > div.vrsta1.vrsta_desno > a > div.username > span",
+        title: "#naslovartikla",
+        descriptions: ".artikal_detaljniopis_tekst",
+        category:
+          "#artikal_glavni_div > div.artikal_lijevo > div.artikal_kat > div > span:nth-child(3) > a > span"
+      };
+
+      const username = $(propertySelectors.username)
+        .text()
+        .trim();
+      if (this.ignoredUsernames.includes((username || "").toLowerCase())) {
+        return null;
+      }
+
+      const title = $(propertySelectors.title)
+        .text()
+        .trim();
+      const descriptions = $(propertySelectors.descriptions);
+      const category = $(propertySelectors.category)
+        .text()
+        .trim();
+
+      //====== PRICE DETECTION AND EXTRACTION =====
+      let price = null;
+      const normalPriceValue = $("#pc > p:nth-child(2)").text();
+      const urgentPriceValue = $(
+        "#artikal_glavni_div > div.artikal_lijevo > div:nth-child(5) > p"
+      )
+        .text()
+        .trim();
+
+      if (normalPriceValue && normalPriceValue.length > 0) {
+        price = normalPriceValue;
+        if (
+          $("#pc > p.n")
+            .text()
+            .indexOf("Hitna") !== -1
+        ) {
+          status = AD_STATUS.STATUS_URGENT;
+        } else {
+          status = AD_STATUS.STATUS_NORMAL;
+        }
+      } else if (urgentPriceValue && urgentPriceValue.length > 0) {
+        const priceValues = urgentPriceValue.split("KM");
+        //priceValues will contain values like ["100000", "90000", ...], second element is urgent price
+        if (priceValues.length > 1) {
+          price = priceValues[1].trim();
+          status = AD_STATUS.STATUS_DISCOUNTED;
+        } else {
+          throw { message: "Can't find urgent price" };
+        }
+      } else {
+        throw {
+          message: "Can't find price (it is not normal nor urgent price ?)"
+        };
+      }
+
+      //====== OTHER AD INFORMATION ===============
+      let adType = null;
+      let olxId = null;
+      let numberOfViewsAgency = null;
+
+      let otherInformationDivId;
+      //We need to locate DIV ID where other information are stored
+      for (let possibleId = 10; possibleId <= 20; possibleId++) {
+        const adTypeFieldTitle = $(
+          `#artikal_glavni_div > div.artikal_lijevo > div:nth-child(${possibleId}) > div:nth-child(2) > div.df1`
+        )
+          .text()
+          .trim();
+
+        if (adTypeFieldTitle === "Vrsta oglasa") {
+          otherInformationDivId = possibleId;
+          break;
+        }
+      }
+
+      if (!otherInformationDivId) {
+        throw { message: "Other information DIV could not be found" };
+      }
+
+      const olxIdFieldSelector = `#artikal_glavni_div > div.artikal_lijevo > div:nth-child(${otherInformationDivId}) > div:nth-child(4)`;
+      const publishedDateValueSelector = `#artikal_glavni_div > div.artikal_lijevo > div:nth-child(${otherInformationDivId}) > div:nth-child(3) > div.df2.neanimiraj > time`;
+      const numberOfViewsAgencyValueSelector = `#artikal_glavni_div > div.artikal_lijevo > div:nth-child(${otherInformationDivId}) > div:nth-child(6) > div.df2`;
+      const renewedDateFullValueSelector = `#artikal_glavni_div > div.artikal_lijevo > div.op.ob.pop`;
+
+      const publishedDate = $(publishedDateValueSelector)
+        .text()
+        .trim();
+
+      const publishedDateMoment = moment.tz(
+        publishedDate,
+        OLX_ENUMS.OLX_PUBLISHED_DATE_FORMAT,
+        DEFAULT_TIMEZONE
+      );
+
+      if (!publishedDateMoment.isValid()) {
+        throw { message: "Invalid published date ! Check parsing format" };
+      }
+
+      const renewedDate = $(renewedDateFullValueSelector)
+        .data("content")
+        .trim();
+
+      const renewedDateMoment = moment.tz(
+        renewedDate,
+        OLX_ENUMS.OLX_RENEWED_DATE_FORMAT,
+        DEFAULT_TIMEZONE
+      );
+
+      if (!renewedDateMoment) {
+        throw {
+          message:
+            "Invalid renewed date ! Check how parser parsed renewed date text"
+        };
+      }
+
+      adType = $(
+        `#artikal_glavni_div > div.artikal_lijevo > div:nth-child(${otherInformationDivId}) > div:nth-child(2) > div.df2`
+      )
+        .text()
+        .trim();
+
+      const parsedCategory = this.getAdCategoryId(category);
+      if (!parsedCategory) {
+        throw { message: `Unknown ad category [${category}]` };
+      }
+
+      const parsedAdType = this.getAdTypeId(adType);
+      if (!parsedAdType) {
+        throw { message: "Unknown ad type" };
+      }
+
+      const olxIdFieldTitle = $(`${olxIdFieldSelector} > div.df1`)
+        .text()
+        .trim();
+      olxId = $(`${olxIdFieldSelector} > div.df2`)
+        .text()
+        .trim();
+      numberOfViewsAgency = parseInt(
+        $(numberOfViewsAgencyValueSelector)
+          .text()
+          .trim()
+      );
+
+      if (olxIdFieldTitle !== "OLX ID") {
+        throw { message: "Cannot find correct OLX ID" };
+      }
+      //===========================================
+
+      //====== DETAIL INFORMATION FIELDS ==========
+      let area,
+        gardenSize,
+        numberOfRooms = null,
+        numberOfFloors = null,
+        floor = null,
+        accessRoadType = null,
+        heatingType = null,
+        furnishingType = null,
+        balcony = null,
+        newBuilding = null,
+        elevator = null,
+        water = null,
+        electricity = null,
+        drainageSystem = null,
+        registeredInZkBooks = null,
+        recentlyAdapted = null,
+        parking = null,
+        garage = null,
+        gas = null,
+        antiTheftDoor = null,
+        airCondition = null,
+        phoneConnection = null,
+        cableTV = null,
+        internet = null,
+        basementAttic = null,
+        storeRoom = null,
+        videoSurveillance = null,
+        alarm = null,
+        suitableForStudents = null,
+        includingBills = null,
+        animalsAllowed = null,
+        pool = null,
+        urbanPlanPermit = null,
+        buildingPermit = null,
+        utilityConnection = null,
+        distanceToRiver = null;
+
+      let fieldIndex = 1;
+      do {
+        const fieldSelector = `#dodatnapolja1 > div:nth-child(${fieldIndex})`;
+        const fieldTitleSelector = `${fieldSelector} > div.df1`;
+        const fieldValueSelector = `${fieldSelector} > div.df2`;
+
+        const fieldTitle = $(fieldTitleSelector)
+          .text()
+          .trim()
+          .toLowerCase();
+        const fieldValue = $(fieldValueSelector)
+          .text()
+          .trim()
+          .toLowerCase();
+
+        switch (fieldTitle) {
+          case "kvadrata":
+            area = fieldValue;
+            break;
+          case "okućnica (kvadratura)":
+            gardenSize = fieldValue;
+            break;
+          case "broj soba":
+            numberOfRooms = this.parseNumberOfRooms(fieldValue, parsedCategory);
+            break;
+          case "broj prostorija":
+            numberOfRooms = this.parseNumberOfRooms(fieldValue, parsedCategory);
+            break;
+          case "broj spratova":
+            numberOfFloors = this.parseNumberOfFloors(
+              fieldValue,
+              parsedCategory
+            );
+            break;
+          case "sprat":
+            floor = this.parseFloorNumber(fieldValue, parsedCategory);
+            break;
+          case "vrsta grijanja":
+            heatingType = this.getHeatingTypeId(fieldValue);
+            break;
+          case "namješten?":
+            furnishingType = this.getFurnishingTypeId(fieldValue);
+            break;
+          case "namješten":
+            furnishingType = FURNISHING_TYPE.FURNISHED.id;
+            break;
+          case "namještena":
+            furnishingType = FURNISHING_TYPE.FURNISHED.id;
+            break;
+          case "voda":
+            water = true;
+            break;
+          case "struja":
+            electricity = true;
+            break;
+          case "kanalizacija":
+            drainageSystem = fieldValue !== "nema";
+            break;
+          case "godina izgradnje":
+            newBuilding = newBuilding || fieldValue === "novogradnja";
+            break;
+          case "kućni ljubimci":
+            animalsAllowed = fieldValue === "da";
+            break;
+          case "uknjiženo / zk":
+            registeredInZkBooks = true;
+            break;
+          case "uknjiženo (zk)":
+            registeredInZkBooks = true;
+            break;
+          case "novogradnja":
+            newBuilding = true;
+            break;
+          case "nedavno adaptiran":
+            recentlyAdapted = true;
+            break;
+          case "nedavno adaptirana":
+            recentlyAdapted = true;
+            break;
+          case "balkon":
+            balcony = true;
+            break;
+          case "lift":
+            elevator = true;
+            break;
+          case "parking":
+            parking = true;
+            break;
+          case "garaža":
+            garage = true;
+            break;
+          case "plin":
+            gas = true;
+            break;
+          case "blindirana vrata":
+            antiTheftDoor = true;
+            break;
+          case "klima":
+            airCondition = true;
+            break;
+          case "telefonski priključak":
+            phoneConnection = true;
+            break;
+          case "kablovska tv":
+            cableTV = true;
+            break;
+          case "internet":
+            internet = true;
+            break;
+          case "podrum/tavan":
+            basementAttic = true;
+            break;
+          case "ostava/špajz":
+            storeRoom = true;
+            break;
+          case "video nadzor":
+            videoSurveillance = true;
+            break;
+          case "alarm":
+            alarm = true;
+            break;
+          case "za studente":
+            suitableForStudents = true;
+            break;
+          case "uključen trošak režija":
+            includingBills = true;
+            break;
+          case "građevinska dozvola":
+            buildingPermit = true;
+            break;
+          case "komunalni priključak":
+            utilityConnection = true;
+            break;
+          case "urbanistička dozvola":
+            urbanPlanPermit = true;
+            break;
+          case "udaljenost od rijeke (m)":
+            distanceToRiver = parseInt(fieldValue) || null;
+            break;
+          case "prilaz":
+            accessRoadType = this.getAccessRoadTypeId(fieldValue);
+            break;
+          case "bazen":
+            pool = true;
+            break;
+          case "iznajmljeno":
+            status = AD_STATUS.STATUS_RENTED;
+            break;
+          default:
+            // console.log(fieldTitle, " = ", fieldValue);
+            break;
+        }
+
+        if (++fieldIndex === OLX_ENUMS.MAX_DETAIL_FIELDS || fieldTitle === "") {
+          break;
+        }
+      } while (true);
+      //===========================================
+
+      //=========================================
+      const parsedArea = this.parseArea(area) || null;
+      const parsedGardenSize = this.parseArea(gardenSize) || null;
+      const parsedPrice = this.parsePrice(price) || null;
+
+      const latLngRegex = /LatLng\(([0-9]+\.[0-9]+)\,\s+([0-9]+\.[0-9]+)\)/g;
+      const locationLatLngMatches = latLngRegex.exec(body);
+
+      let locationLat = null;
+      let locationLong = null;
+      if (locationLatLngMatches && locationLatLngMatches.length >= 3) {
+        locationLat = parseFloat(locationLatLngMatches[1]) || null;
+        locationLong = parseFloat(locationLatLngMatches[2]) || null;
+      }
+
+      if (
+        title.indexOf("[PRODANO]") !== -1 ||
+        title.indexOf("[ZAVRŠENO]") !== -1
+      ) {
+        status = AD_STATUS.STATUS_SOLD;
+      }
+
+      const data = {
+        url,
+        agencyObjectId: olxId,
+        originAgencyName: AD_AGENCY.OLX,
+        realEstateType: parsedCategory,
+        adType: parsedAdType,
+        title,
+        price: parsedPrice,
+        area: parsedArea,
+        gardenSize: parsedGardenSize,
+        shortDescription: descriptions
+          .first()
+          .text()
+          .trim(),
+        longDescription: descriptions
+          .last()
+          .text()
+          .trim(),
+        streetNumber: 0,
+        streetName: "",
+        locality: "",
+        municipality: "",
+        city: "",
+        region: "",
+        entity: "",
+        country: "",
+        locationLat,
+        locationLong,
+        adStatus: status,
+        publishedDate: publishedDateMoment.toISOString(),
+        renewedDate: renewedDateMoment.toISOString(),
+        numberOfRooms,
+        numberOfFloors,
+        floor,
+        accessRoadType,
+        heatingType,
+        furnishingType,
+        balcony,
+        newBuilding,
+        elevator,
+        water,
+        electricity,
+        drainageSystem,
+        registeredInZkBooks,
+        recentlyAdapted,
+        parking,
+        garage,
+        gas,
+        antiTheftDoor,
+        airCondition,
+        phoneConnection,
+        cableTV,
+        internet,
+        basementAttic,
+        storeRoom,
+        videoSurveillance,
+        alarm,
+        suitableForStudents,
+        includingBills,
+        animalsAllowed,
+        pool,
+        urbanPlanPermit,
+        buildingPermit,
+        utilityConnection,
+        distanceToRiver,
+        numberOfViewsAgency
+      };
+
+      return data;
+    } catch (e) {
+      console.error("Exception caught: " + e.message, "\r\nURL:", url);
+    }
+    return null;
+  }
+
+  //======= HELPER FUNCTIONS =============
+
+  getAdCategoryId(categoryText) {
+    switch (categoryText) {
+      case "Stanovi":
+        return AD_CATEGORY.FLAT.id;
+      case "Zemljišta":
+        return AD_CATEGORY.LAND.id;
+      case "Kuće":
+        return AD_CATEGORY.HOUSE.id;
+      case "Poslovni prostori":
+        return AD_CATEGORY.OFFICE.id;
+      case "Apartmani":
+        return AD_CATEGORY.APARTMENT.id;
+      case "Garaže":
+        return AD_CATEGORY.GARAGE.id;
+      case "Vikendice":
+        return AD_CATEGORY.COTTAGE.id;
+      default:
+        return undefined;
+    }
+  }
+
+  getAdTypeId(adTypeText) {
+    switch (adTypeText) {
+      case "Prodaja":
+        return AD_TYPE.AD_TYPE_SALE.stringId;
+      case "Izdavanje":
+        return AD_TYPE.AD_TYPE_RENT.stringId;
+      case "Potražnja":
+        return AD_TYPE.AD_TYPE_REQUEST.stringId;
+      default:
+        return undefined;
+    }
+  }
+
+  getHeatingTypeId(heatingTypeText) {
+    switch (heatingTypeText) {
+      case "struja":
+        return HEATING_TYPE.ELECTRICITY.id;
+      case "plin":
+        return HEATING_TYPE.GAS.id;
+      case "drva":
+        return HEATING_TYPE.WOOD.id;
+      case "centralno (gradsko)":
+        return HEATING_TYPE.CENTRAL_CITY.id;
+      case "centralno (kotlovnica)":
+        return HEATING_TYPE.CENTRAL_BOILER.id;
+      case "centralno (plin)":
+        return HEATING_TYPE.CENTRAL_GAS.id;
+      case "nije uvedeno":
+        return HEATING_TYPE.NO_HEATING.id;
+      case "ostalo":
+        return HEATING_TYPE.OTHER.id;
+      case "drugo":
+        return HEATING_TYPE.OTHER.id;
+      default:
+        console.log("grijanje = NEPOZNATO [", heatingTypeText, "]");
+        return null;
+    }
+  }
+
+  getFurnishingTypeId(furnishingTypeText) {
+    switch (furnishingTypeText) {
+      case "namješten":
+        return FURNISHING_TYPE.FURNISHED.id;
+      case "polunamješten":
+        return FURNISHING_TYPE.HALF_FURNISHED.id;
+      case "nenamješten":
+        return FURNISHING_TYPE.NOT_FURNISHED.id;
+      case "":
+        return FURNISHING_TYPE.FURNISHED.id;
+      default:
+        console.log("namješten = NEPOZNATO [", furnishingTypeText, "]");
+        return null;
+    }
+  }
+
+  getAccessRoadTypeId(accessRoadTypeText) {
+    switch (accessRoadTypeText) {
+      case "asfalt":
+        return ACCESS_ROAD_TYPE.ASPHALT.id;
+      case "beton":
+        return ACCESS_ROAD_TYPE.CONCRETE.id;
+      case "makadam":
+        return ACCESS_ROAD_TYPE.MACADAM.id;
+      case "ostalo":
+        return ACCESS_ROAD_TYPE.OTHER.id;
+      default:
+        console.log("pristup = NEPOZNATO [", accessRoadTypeText, "]");
+        return null;
+    }
+  }
+
+  parseArea(areaText) {
+    if (!areaText) {
+      return NaN;
+    }
+    const removeDotsExceptLastOneRegex = /[.](?=.*[.])/g;
+    const textWithOnlyOneDecimalDot = areaText
+      .replace(",", ".")
+      .replace(removeDotsExceptLastOneRegex, "");
+
+    return parseFloat(textWithOnlyOneDecimalDot);
+  }
+
+  parsePrice(priceText) {
+    if (!priceText) {
+      return NaN;
+    }
+    const formattedPriceText = priceText.replace(".", "").replace(",", ".");
+    return parseFloat(formattedPriceText);
+  }
+
+  parseNumberOfRooms(numberOfRoomsText, categoryId) {
+    if (categoryId === AD_CATEGORY.FLAT.id) {
+      switch (numberOfRoomsText) {
+        case "garsonjera":
+          return 0;
+        case "jednosoban (1)":
+          return 1;
+        case "jednoiposoban (1.5)":
+          return 1.5;
+        case "dvosoban (2)":
+          return 2;
+        case "trosoban (3)":
+          return 3;
+        case "četverosoban (4)":
+          return 4;
+        case "petosoban i više":
+          return 5;
+        default:
+          console.log(
+            "broj soba [stan] = NEPOZNATO [",
+            numberOfRoomsText,
+            ", ",
+            categoryId,
+            "]"
+          );
+          return null;
+      }
+    }
+
+    if (
+      categoryId === AD_CATEGORY.HOUSE.id ||
+      categoryId === AD_CATEGORY.COTTAGE.id ||
+      categoryId === AD_CATEGORY.APARTMENT.id ||
+      categoryId === AD_CATEGORY.OFFICE.id
+    ) {
+      return parseInt(numberOfRoomsText) || null;
+    }
+
+    console.log("broj soba = NEPOZNATO [", numberOfRoomsText, "]");
+    return null;
+  }
+
+  parseNumberOfFloors(numberOfFloorsText, categoryId) {
+    if (
+      categoryId === AD_CATEGORY.HOUSE.id ||
+      categoryId === AD_CATEGORY.COTTAGE.id
+    ) {
+      return parseInt(numberOfFloorsText) || null;
+    }
+
+    if (categoryId === AD_CATEGORY.OFFICE.id) {
+      if (
+        numberOfFloorsText === "suteren" ||
+        numberOfFloorsText === "prizemlje"
+      ) {
+        return 0;
+      }
+      if (numberOfFloorsText === "6+") {
+        return 7;
+      }
+      return parseInt(numberOfFloorsText) || null;
+    }
+
+    console.log("broj spratova = NEPOZNATO [", numberOfFloorsText, "]");
+    return null;
+  }
+
+  parseFloorNumber(floorText, categoryId) {
+    if (
+      categoryId === AD_CATEGORY.FLAT.id ||
+      categoryId === AD_CATEGORY.APARTMENT.id
+    ) {
+      if (
+        floorText === "suteren" ||
+        floorText === "prizemlje" ||
+        floorText === "visoko prizemlje"
+      ) {
+        return 0;
+      }
+      return parseInt(floorText) || null;
+    }
+
+    if (categoryId === AD_CATEGORY.OFFICE.id) {
+      if (floorText === "zaseban objekat") {
+        return null;
+      }
+      if (floorText === "prizemlje" || floorText === "visoko prizemlje") {
+        return 0;
+      }
+      return parseInt(floorText) || null;
+    }
+
+    console.log("sprat = NEPOZNATO [", floorText, "]");
+    return null;
+  }
+
+  async sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
+  async saveCrawledResults(results) {
+    const savers = this.savers;
+
+    // for (const saver of savers) {
+    //   await saver.save(results);
+    // }
+
+    //For now, we use only Postgres saver, so ...
+    return savers[0].save(results);
+    //so that we can use some sequelize options and information when data is inserted
+  }
+}
+
+module.exports = OlxCrawler;

app/crawler/specificCrawlers/prostor.js

@@ -0,0 +1,574 @@
+"use strict";
+
+const fetch = require("node-fetch");
+const cheerio = require("cheerio");
+const moment = require("moment-timezone");
+
+const {
+  AD_TYPE,
+  AD_CATEGORY,
+  AD_AGENCY,
+  AD_STATUS,
+  CRAWLER_AD_TYPE,
+  FURNISHING_TYPE,
+  HEATING_TYPE
+} = require("../../common/enums");
+
+const {
+  PRINT_CRAWLER_DEBUG,
+  DEFAULT_TIMEZONE
+} = require("../../config/appConfig");
+const { PROSTOR_FORCE_CRAWL } = require("../specificConfigs/prostor");
+
+const PROSTOR_ENUMS = {
+  PROSTOR_AD_TYPE: {
+    [CRAWLER_AD_TYPE.ALL]: "&action=0",
+    [CRAWLER_AD_TYPE.ONLY_SELL]: "&action=1",
+    [CRAWLER_AD_TYPE.ONLY_RENT]: "&action=2"
+  },
+  PROSTOR_AD_CATEGORY: {
+    [AD_CATEGORY.ALL.id]: "",
+    [AD_CATEGORY.FLAT.id]: "&type=7",
+    [AD_CATEGORY.HOUSE.id]: "&type=8",
+    [AD_CATEGORY.LAND.id]: "&type=10",
+    [AD_CATEGORY.OFFICE.id]: "&type=9",
+    [AD_CATEGORY.APARTMENT.id]: "&type=11",
+    [AD_CATEGORY.GARAGE.id]: "&type=14"
+    //[AD_CATEGORY.COTTAGE.id]: ""
+  },
+  PROSTOR_PUBLISHED_DATE_FORMAT: "YYYY-MM-DD HH:mm:ss",
+  PROSTOR_RENEWED_DATE_FORMAT: "YYYY-MM-DD u HH:mm:ss"
+};
+
+class ProstorCrawler {
+  constructor(
+    savers = [],
+    crawlerAdTypes = CRAWLER_AD_TYPE.ALL,
+    crawlerAdCategories = [AD_CATEGORY.FLAT, AD_CATEGORY.HOUSE],
+    maxPages = 5000,
+    maxResultsPerPage = 5000,
+    ignoredUsernames = [],
+    delayBetweenPages = 1000
+  ) {
+    this.savers = savers;
+    this.baseUrl = "https://prostor.ba/pretraga";
+    this.crawlerAdTypes = crawlerAdTypes;
+    this.crawlerAdCategories = crawlerAdCategories;
+    this.maxResultsPerPage = maxResultsPerPage;
+    this.delayBetweenPages = delayBetweenPages;
+  }
+
+  async crawl() {
+    const crawlAdCategories = this.crawlerAdCategories;
+
+    const newRealEstates = [];
+
+    if (crawlAdCategories) {
+      const indexGenerators = [];
+      for (const adCategory of crawlAdCategories) {
+        indexGenerators.push(this.categoryIndexer(adCategory));
+      }
+
+      let done = false;
+      while (!done) {
+        const categoryIndexerPromises = [];
+        const generatorsToRemove = [];
+        for (const indexGenerator of indexGenerators) {
+          categoryIndexerPromises.push(indexGenerator.next());
+          generatorsToRemove.push(false);
+        }
+
+        const singlePageResults = await Promise.all(categoryIndexerPromises);
+        const entries = singlePageResults.entries();
+
+        for (const [index, { value: singlePageResult }] of entries) {
+          if (singlePageResult) {
+            const saveResults = await this.saveCrawledResults(singlePageResult);
+            const { newRecords } = saveResults;
+
+            newRealEstates.push(...newRecords);
+
+            if (
+              Array.isArray(newRecords) &&
+              newRecords.length === 0 &&
+              !PROSTOR_FORCE_CRAWL
+            ) {
+              generatorsToRemove[index] = true;
+            }
+          } else {
+            //Generator returned undefined, remove this generator from array
+            generatorsToRemove[index] = true;
+            // console.log("Generator ", index + 1, "has no more pages");
+          }
+        }
+
+        // console.log("Generators state : ", generatorsToRemove);
+        for (let i = generatorsToRemove.length - 1; i >= 0; i--) {
+          if (generatorsToRemove[i]) {
+            // console.log("\tRemove generator ", i + 1);
+            indexGenerators.splice(i, 1);
+          }
+        }
+        if (indexGenerators.length === 0) {
+          done = true;
+        }
+
+        await this.sleep(this.delayBetweenPages);
+      }
+    }
+    return newRealEstates;
+  }
+
+  async *categoryIndexer(adCategory) {
+    const urlAdTypePart = PROSTOR_ENUMS.PROSTOR_AD_TYPE[this.crawlerAdTypes];
+    const urlCategoryPart = PROSTOR_ENUMS.PROSTOR_AD_CATEGORY[adCategory];
+    if (urlAdTypePart !== undefined && urlCategoryPart !== undefined) {
+      const urlPageToCrawl = `${this.baseUrl}?remove_sold=0${urlAdTypePart}${urlCategoryPart}`;
+      const listOfAllRealEstates = await this.extractRealEstates(
+        urlPageToCrawl
+      );
+
+      let elementToStartIndexFrom = 0;
+      while (true) {
+        const realEstatesForSinglePage = listOfAllRealEstates.slice(
+          elementToStartIndexFrom,
+          elementToStartIndexFrom + this.maxResultsPerPage
+        );
+
+        if (realEstatesForSinglePage.length > 0) {
+          elementToStartIndexFrom += realEstatesForSinglePage.length;
+
+          const singlePageResults = await this.indexSinglePage(
+            realEstatesForSinglePage
+          );
+
+          const filteredSinglePageResults = singlePageResults.filter(
+            singleResult => !!singleResult
+          );
+
+          if (
+            Array.isArray(filteredSinglePageResults) &&
+            filteredSinglePageResults.length > 0
+          ) {
+            yield filteredSinglePageResults;
+          } else {
+            return undefined;
+          }
+        } else {
+          return undefined;
+        }
+      }
+    } else {
+      return undefined;
+    }
+  }
+
+  async indexSinglePage(realEstatesList) {
+    const asyncActions = [];
+    for (const realEstate of realEstatesList) {
+      asyncActions.push(this.scrapeAd(realEstate));
+    }
+
+    try {
+      return await Promise.all(asyncActions);
+    } catch (e) {
+      console.log(
+        "[PROSTOR] Error crawling ads : ",
+        e.message || "UNKNOWN ERROR"
+      );
+      return [];
+    }
+  }
+
+  async scrapeAd(realEstate) {
+    const { lat, lng, property_name, price, size, link, status } = realEstate;
+    const url = `https://prostor.ba${link}`;
+    // console.log("[PROSTOR] Scraping : ", url);
+    try {
+      const adPageSource = await fetch(url);
+      const body = await adPageSource.text();
+      const $ = cheerio.load(body);
+
+      // link contains part of the URL in the format of : /prodaja/stan/stup/9556
+      // general form is : /actionType/realEstateType/location/realEstateID
+      // linkParts contains : ['', 'actionType', 'realEstateType', 'location', 'realEstateID']
+
+      const linkParts = link.split("/");
+
+      const adType = ProstorCrawler.getAdTypeId(linkParts[1]);
+      const realEstateType = ProstorCrawler.getAdCategoryId(linkParts[2]);
+      const prostorId = linkParts[4];
+
+      if (!adType || !realEstateType || !prostorId) {
+        return null;
+      }
+
+      const allDataSelector =
+        "body > div > div.container-fluid > div > div.column-right > table > tbody";
+
+      const realEstateProperties = {};
+
+      $(allDataSelector)
+        .find("p")
+        .each((i, element) => {
+          const propertyElement = $(element)
+            .text()
+            .split(":")
+            .map(text => text.trim().toLowerCase());
+
+          const propertyTitle = propertyElement[0];
+          realEstateProperties[propertyTitle] = propertyElement[1];
+        });
+
+      $(allDataSelector)
+        .find("div.mb-2")
+        .each((i, element) => {
+          const propertyElement = $(element)
+            .text()
+            .trim()
+            .toLowerCase();
+
+          realEstateProperties[propertyElement] = true;
+        });
+
+      if (JSON.stringify(realEstateProperties) === JSON.stringify({})) {
+        return null;
+      }
+
+      let numberOfRooms =
+          parseFloat(realEstateProperties["broj soba"]) +
+            parseFloat(realEstateProperties["broj spavaćih soba"]) || null,
+        numberOfFloors = null,
+        floor = null,
+        accessRoadType = null,
+        heatingType = ProstorCrawler.getHeatingTypeId(realEstateProperties),
+        furnishingType = null,
+        balcony =
+          realEstateProperties["balkon"] ||
+          realEstateProperties["terasa"] ||
+          realEstateProperties["lođa"] ||
+          null,
+        newBuilding = linkParts[1] === "novogradnja",
+        elevator = realEstateProperties["lift"] || null,
+        water = realEstateProperties["voda"] || null,
+        electricity = realEstateProperties["električna energija"] || null,
+        drainageSystem = realEstateProperties["kanalizacija"] || null,
+        registeredInZkBooks = null,
+        recentlyAdapted = null,
+        parking = realEstateProperties["parking"] || null,
+        garage = realEstateProperties["garaža"] || null,
+        gas = realEstateProperties["plin"] || null,
+        antiTheftDoor = realEstateProperties["blindo vrata"] || null,
+        airCondition = realEstateProperties["klima"] || null,
+        phoneConnection = realEstateProperties["telefon"] || null,
+        cableTV = realEstateProperties["kablovksa tv"] || null,
+        internet =
+          realEstateProperties["internet"] ||
+          realEstateProperties["adsl"] ||
+          null,
+        basementAttic = realEstateProperties["podrum"] || null,
+        storeRoom = realEstateProperties["ostava"] || null,
+        videoSurveillance = realEstateProperties["video nadzor"],
+        alarm = realEstateProperties["alarm"] || null,
+        suitableForStudents = null,
+        includingBills = null,
+        animalsAllowed = null,
+        pool = realEstateProperties["bazen"] || null,
+        urbanPlanPermit = null,
+        buildingPermit = null,
+        utilityConnection = null,
+        distanceToRiver = null,
+        numberOfViewsAgency = null;
+
+      // Floor versions (there are possibly more versions) :
+      // Sprat: 3/3
+      // Sprat: 1 - 2/2
+      // Sprat: Pr - 7/7
+      // Sprat: -2/0
+      // If there are two parts, that represents more real estates are sold
+      // numberOfFloors is contained in second part, after / sign
+
+      const floorsArray = realEstateProperties["sprat"].split(" - ");
+      let floorText = "";
+      if (floorsArray.length === 1) {
+        const floorDescription = floorsArray[0].split("/");
+        numberOfFloors = parseInt(floorDescription[1]) || null;
+        floorText = floorDescription[0];
+        floor = Math.round(parseFloat(floorText));
+      } else if (floorsArray.length === 2) {
+        const floorDescription = floorsArray[1].split("/");
+        numberOfFloors = parseInt(floorDescription[1]) || null;
+        floorText = floorsArray[0];
+        floor = Math.round(parseFloat(floorText));
+      } else {
+        // This is something strange
+      }
+
+      if (isNaN(floor)) {
+        // It was textual representation of floor, like "Pr", "Su" or similar
+        switch (floorText) {
+          case "pr":
+            floor = 0;
+            break;
+          case "su":
+            floor = -1;
+            break;
+          default:
+            console.log(
+              "[PROSTOR] Unknown textual representation of floor : ",
+              floorText
+            );
+            floor = null;
+        }
+      }
+
+      if (realEstateProperties["namješteno"]) {
+        furnishingType = FURNISHING_TYPE.FURNISHED.id;
+      } else if (realEstateProperties["polunamješteno"]) {
+        furnishingType = FURNISHING_TYPE.HALF_FURNISHED.id;
+      } else {
+        furnishingType = FURNISHING_TYPE.NOT_FURNISHED.id;
+      }
+
+      const adStatus = ProstorCrawler.getStatusId(status);
+      const title = property_name;
+      const parsedPrice = parseFloat(price.replace(/\./g, "")) || null;
+      const parsedArea = parseFloat(size);
+      const gardenSize = null;
+      const longDescription = null;
+
+      const data = {
+        url,
+        agencyObjectId: prostorId,
+        originAgencyName: AD_AGENCY.PROSTOR,
+        realEstateType,
+        adType,
+        title,
+        price: parsedPrice,
+        area: parsedArea,
+        gardenSize,
+        shortDescription: "",
+        longDescription: longDescription,
+        streetNumber: 0,
+        streetName: realEstateProperties["adresa"],
+        locality: "",
+        municipality: "",
+        city: "",
+        region: "",
+        entity: "",
+        country: "",
+        locationLat: lat,
+        locationLong: lng,
+        adStatus,
+        numberOfRooms,
+        numberOfFloors,
+        floor,
+        accessRoadType,
+        heatingType,
+        furnishingType,
+        balcony,
+        newBuilding,
+        elevator,
+        water,
+        electricity,
+        drainageSystem,
+        registeredInZkBooks,
+        recentlyAdapted,
+        parking,
+        garage,
+        gas,
+        antiTheftDoor,
+        airCondition,
+        phoneConnection,
+        cableTV,
+        internet,
+        basementAttic,
+        storeRoom,
+        videoSurveillance,
+        alarm,
+        suitableForStudents,
+        includingBills,
+        animalsAllowed,
+        pool,
+        urbanPlanPermit,
+        buildingPermit,
+        utilityConnection,
+        distanceToRiver,
+        numberOfViewsAgency
+      };
+
+      return data;
+    } catch (e) {
+      console.error(
+        "[PROSTOR] Exception caught: " + e.message,
+        "\r\nURL:",
+        url
+      );
+      return null;
+    }
+  }
+
+  async extractRealEstates(url) {
+    if (PRINT_CRAWLER_DEBUG) {
+      console.log("[PROSTOR] Index page : ", url);
+    }
+
+    try {
+      const res = await fetch(url);
+      const body = await res.text();
+      const $ = cheerio.load(body);
+
+      const scriptElement = $(
+        "body > div > div.container-fluid > script:nth-child(7)"
+      );
+
+      if (
+        scriptElement[0] &&
+        scriptElement[0].children &&
+        scriptElement[0].children[0] &&
+        scriptElement[0].children[0].data
+      ) {
+        const scriptData = scriptElement[0].children[0].data;
+
+        try {
+          // script element data contains JS code and we need to extract only data for realEstates
+          // data string starts with : var map; var markers = [{"r ...
+          // so we remove first 23 characters
+          //
+          // real estate JSON data ends with      ...}, ]; map = new...
+          // so we need to find index of that substring to know where to stop
+          // we will NOT include trailing comma because it breaks JSON parse, so we have to close ] bracket manually
+
+          const jsonEndIndex = scriptData.indexOf(", ]; map = new");
+          if (jsonEndIndex > -1) {
+            const jsonData = scriptData.substring(23, jsonEndIndex) + "]";
+            const realEstates = JSON.parse(jsonData);
+
+            // const transformedRealEstates = [];
+            //
+            // for (const realEstate of realEstates) {
+            //   const transformedRealEstate = ProstorCrawler.transformRealEstateData(
+            //     realEstate
+            //   );
+            //   if (transformedRealEstate) {
+            //     transformedRealEstates.push(transformedRealEstate);
+            //   }
+            // }
+            //
+            // return transformedRealEstates;
+            return realEstates;
+          } else {
+            throw {
+              message: "Something is wrong with JSON data or data is moved"
+            };
+          }
+        } catch (e) {
+          console.log(e);
+          throw e;
+        }
+      }
+    } catch (e) {
+      console.error(
+        "[PROSTOR] Exception caught:",
+        e.message || "UNKNOWN MESSAGE"
+      );
+      return [];
+    }
+  }
+
+  //======= HELPER FUNCTIONS =============
+
+  static getAdCategoryId(categoryText) {
+    switch (categoryText) {
+      case "stan":
+        return AD_CATEGORY.FLAT.id;
+      case "kuca":
+        return AD_CATEGORY.HOUSE.id;
+      case "apartman":
+        return AD_CATEGORY.APARTMENT.id;
+      case "poslovni-prostor":
+        return AD_CATEGORY.OFFICE.id;
+      case "garaza":
+        return AD_CATEGORY.GARAGE.id;
+      case "zemljiste":
+        return AD_CATEGORY.LAND.id;
+      default:
+        return undefined;
+    }
+  }
+
+  static getAdTypeId(adTypeText) {
+    switch (adTypeText) {
+      case "prodaja":
+        return AD_TYPE.AD_TYPE_SALE.stringId;
+      case "najam":
+        return AD_TYPE.AD_TYPE_RENT.stringId;
+      case "novogradnja":
+        return AD_TYPE.AD_TYPE_SALE.stringId;
+      default:
+        return undefined;
+    }
+  }
+
+  static getHeatingTypeId(realEstateProperties) {
+    const realEstatePropertiesKeys = Object.keys(realEstateProperties);
+    for (const property of realEstatePropertiesKeys) {
+      switch (property) {
+        case "centralno toplane":
+          return HEATING_TYPE.CENTRAL_CITY.id;
+        case "etažno plinsko":
+          return HEATING_TYPE.CENTRAL_GAS.id;
+        case "termo blok":
+        case "podno grijanje":
+          return HEATING_TYPE.OTHER.id;
+        case "etažno električno":
+        case "konvektori":
+          return HEATING_TYPE.ELECTRICITY.id;
+        case "plinske peći":
+          return HEATING_TYPE.GAS.id;
+        case "vlastita kotlovnica":
+          return HEATING_TYPE.CENTRAL_BOILER.id;
+        case "toplotna pumpa":
+          return HEATING_TYPE.HEAT_PUMP.id;
+        case "kamin":
+          return HEATING_TYPE.WOOD.id;
+        default:
+        //console.log("[PROSTOR] Nepoznato >>>  [", property, "]");
+      }
+    }
+  }
+
+  static getStatusId(statusText) {
+    switch (statusText) {
+      case "":
+        return AD_STATUS.STATUS_NORMAL;
+      case "Rezervisano":
+        return AD_STATUS.STATUS_RESERVED;
+      case "Prodano":
+        return AD_STATUS.STATUS_SOLD;
+      case "Iznajmljeno":
+        return AD_STATUS.STATUS_RENTED;
+      default:
+        console.log("[PROSTOR] Unknown AD_STATUS : [", statusText, "]");
+        return AD_STATUS.STATUS_NORMAL;
+    }
+  }
+
+  async sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
+  async saveCrawledResults(results) {
+    const savers = this.savers;
+
+    // for (const saver of savers) {
+    //   await saver.save(results);
+    // }
+
+    //For now, we use only Postgres saver, so ...
+    return savers[0].save(results);
+    //so that we can use some sequelize options and information when data is inserted
+  }
+}
+
+module.exports = ProstorCrawler;

app/crawler/specificCrawlers/rental.js

@@ -0,0 +1,806 @@
+"use strict";
+
+const fetch = require("node-fetch");
+const cheerio = require("cheerio");
+const Promise = require("bluebird");
+const moment = require("moment-timezone");
+const htmlToText = require("html-to-text");
+
+const {
+  AD_TYPE,
+  AD_CATEGORY,
+  AD_AGENCY,
+  AD_STATUS,
+  CRAWLER_AD_TYPE,
+  HEATING_TYPE,
+  ACCESS_ROAD_TYPE,
+  FURNISHING_TYPE
+} = require("../../common/enums");
+
+const {
+  DEFAULT_TIMEZONE,
+  PRINT_CRAWLER_DEBUG
+} = require("../../config/appConfig");
+
+const RENTAL_ENUMS = {
+  RENTAL_AD_TYPE: {
+    [CRAWLER_AD_TYPE.ALL]: "/prodaja-1/najam-2",
+    [CRAWLER_AD_TYPE.ONLY_SELL]: "/prodaja-1",
+    [CRAWLER_AD_TYPE.ONLY_RENT]: "/najam-2"
+  },
+  RENTAL_AD_CATEGORY: {
+    [AD_CATEGORY.ALL.id]: "",
+    [AD_CATEGORY.FLAT.id]: "/tip-2",
+    [AD_CATEGORY.HOUSE.id]: "/tip-1",
+    [AD_CATEGORY.LAND.id]: "/tip-5",
+    [AD_CATEGORY.OFFICE.id]: "/tip-4",
+    [AD_CATEGORY.APARTMENT.id]: "/tip-3",
+    [AD_CATEGORY.GARAGE.id]: "/tip-6"
+    //[AD_CATEGORY.COTTAGE.id]: ""
+  },
+  RENTAL_PUBLISHED_DATE_FORMAT: "YYYY-MM-DD HH:mm:ss",
+  RENTAL_RENEWED_DATE_FORMAT: "YYYY-MM-DD u HH:mm:ss"
+};
+
+const { RENTAL_FORCE_CRAWL } = require("../specificConfigs/rental");
+
+class RentalCrawler {
+  constructor(
+    savers = [],
+    crawlerAdTypes = CRAWLER_AD_TYPE.ALL,
+    crawlerAdCategories = [AD_CATEGORY.FLAT, AD_CATEGORY.HOUSE],
+    maxPages = 1000,
+    maxResultsPerPage = 100,
+    ignoredUsernames = [],
+    delayBetweenPages = 1000
+  ) {
+    this.savers = savers;
+    this.baseUrl = "https://www.rental.ba/pretraga/sortiraj-date_DESC";
+    this.crawlerAdTypes = crawlerAdTypes;
+    this.crawlerAdCategories = crawlerAdCategories;
+    this.maxPages = maxPages;
+    this.maxResultsPerPage = maxResultsPerPage;
+    this.delayBetweenPages = delayBetweenPages;
+  }
+
+  async crawl() {
+    const crawlAdCategories = this.crawlerAdCategories;
+
+    const newRealEstates = [];
+
+    if (crawlAdCategories) {
+      const indexGenerators = [];
+      for (const adCategory of crawlAdCategories) {
+        indexGenerators.push(this.categoryIndexer(adCategory));
+      }
+
+      let done = false;
+      while (!done) {
+        const categoryIndexerPromises = [];
+        const generatorsToRemove = [];
+        for (const indexGenerator of indexGenerators) {
+          categoryIndexerPromises.push(indexGenerator.next());
+          generatorsToRemove.push(false);
+        }
+
+        const singlePageResults = await Promise.all(categoryIndexerPromises);
+        const entries = singlePageResults.entries();
+
+        for (const [index, { value: singlePageResult }] of entries) {
+          if (singlePageResult) {
+            const saveResults = await this.saveCrawledResults(singlePageResult);
+            const { newRecords } = saveResults;
+
+            newRealEstates.push(...newRecords);
+
+            if (
+              Array.isArray(newRecords) &&
+              newRecords.length === 0 &&
+              !RENTAL_FORCE_CRAWL
+            ) {
+              generatorsToRemove[index] = true;
+            }
+          } else {
+            //Generator returned undefined, remove this generator from array
+            generatorsToRemove[index] = true;
+            // console.log("Generator ", index + 1, "has no more pages");
+          }
+        }
+
+        // console.log("Generators state : ", generatorsToRemove);
+        for (let i = generatorsToRemove.length - 1; i >= 0; i--) {
+          if (generatorsToRemove[i]) {
+            // console.log("\tRemove generator ", i + 1);
+            indexGenerators.splice(i, 1);
+          }
+        }
+        if (indexGenerators.length === 0) {
+          done = true;
+        }
+
+        await this.sleep(this.delayBetweenPages);
+      }
+    }
+    return newRealEstates;
+  }
+
+  async *categoryIndexer(adCategory) {
+    let pageToIndex = 1;
+
+    const urlAdTypePart = RENTAL_ENUMS.RENTAL_AD_TYPE[this.crawlerAdTypes];
+    const urlCategoryPart = RENTAL_ENUMS.RENTAL_AD_CATEGORY[adCategory];
+    if (urlAdTypePart !== undefined && urlCategoryPart !== undefined) {
+      while (true) {
+        const urlPageToCrawl = `${this.baseUrl}${urlAdTypePart}${urlCategoryPart}/stranica-${pageToIndex}`;
+        const singlePageResults = await this.indexSinglePage(
+          urlPageToCrawl,
+          this.maxResultsPerPage
+        );
+
+        if (Array.isArray(singlePageResults) && singlePageResults.length > 0) {
+          yield singlePageResults;
+        } else {
+          return undefined;
+        }
+
+        ++pageToIndex;
+        if (pageToIndex === this.maxPages) {
+          return undefined;
+        }
+      }
+    } else {
+      return undefined;
+    }
+  }
+
+  async indexSinglePage(url, maxResultsPerPage) {
+    if (PRINT_CRAWLER_DEBUG) {
+      console.log("[RENTAL] Index page : ", url);
+    }
+
+    try {
+      const res = await fetch(url);
+      const body = await res.text();
+      const $ = cheerio.load(body);
+      let hrefs = [];
+
+      $(
+        "body > div > div.container > div.row > div.col-xs-12.col-sm-12.col-md-12.col-lg-9.content-main > div.row.box-items.group-grid-view"
+      )
+        .find(".pull-right")
+        .each((i, elem) => {
+          const href = $(elem)
+            .find("a")
+            .first()
+            .attr("href");
+          if (href) {
+            hrefs.push(href);
+          }
+        });
+
+      let actualNoOfResults =
+        hrefs.length <= maxResultsPerPage ? hrefs.length : maxResultsPerPage;
+
+      const asyncScraping = [];
+      for (let i = 0; i < actualNoOfResults; i++) {
+        asyncScraping.push(this.scrapeAd(hrefs[i]));
+      }
+
+      const scrapedData = await Promise.all(asyncScraping);
+      const filteredScrapedData = scrapedData.filter(adData => !!adData);
+      return filteredScrapedData;
+    } catch (e) {
+      console.error("[RENTAL] Exception caught:" + e);
+      return [];
+    }
+  }
+
+  async scrapeAd(url) {
+    // console.log("[RENTAL] Scraping : ", url);
+    try {
+      const adPageSource = await fetch(url);
+      const body = await adPageSource.text();
+      const $ = cheerio.load(body);
+
+      const mapElementParent = $(".box-map").parent();
+      const scriptElement = $("script", mapElementParent);
+      if (
+        scriptElement[0] &&
+        scriptElement[0].children &&
+        scriptElement[0].children[0] &&
+        scriptElement[0].children[0].data
+      ) {
+        let extractedData;
+        try {
+          //data string starts with : var json_map_data = [{"r ...
+          //so we remove first 20 characters
+
+          const jsonData = scriptElement[0].children[0].data.substring(20);
+          const parsedJsonData = JSON.parse(jsonData);
+          extractedData = parsedJsonData[0];
+        } catch (e) {
+          throw { message: "Can't find ad data JSON" };
+        }
+
+        let adStatus = AD_STATUS.STATUS_NORMAL;
+        const rentalId = extractedData["re_realEstates_id"];
+        const adCategory = this.getKiviCategoryIdFromRentalId(
+          parseInt(extractedData["re_types_id"])
+        );
+        if (!adCategory) {
+          throw {
+            message: `Invalid category : ${extractedData["re_types_id"]}`
+          };
+        }
+        const adType = this.getKiviAdTypeFromRentalActionId(
+          parseInt(extractedData["re_action_id"])
+        );
+        if (!adType) {
+          throw {
+            message: `Invalid ad type : ${extractedData["re_action_id"]}`
+          };
+        }
+
+        const descriptionIds = extractedData["re_descriptions_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(descriptionIds)) {
+          throw {
+            message:
+              'Expected array od descriptions but "re_descriptions_id" not found !'
+          };
+        }
+
+        const spaceIds = extractedData["re_spaces_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(spaceIds)) {
+          throw {
+            message: 'Expected array od spaces but "re_spaces_id" not found !'
+          };
+        }
+
+        const infrastructureIds = extractedData["re_infrastructure_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(infrastructureIds)) {
+          throw {
+            message:
+              'Expected array od infrastructures but "re_infrastructure_id" not found !'
+          };
+        }
+
+        const floorNoIds = extractedData["re_floorNO_id"]
+          .split(",")
+          .map(stringNumber => parseInt(stringNumber));
+
+        if (!Array.isArray(floorNoIds)) {
+          throw {
+            message:
+              'Expected array od infrastructures but "re_floorNO_id" not found !'
+          };
+        }
+
+        const numberOfViewsAgencySelector = $(
+          "body > div > div.container > div.row.content-top > div.col-xs-12.col-sm-12.col-md-9 > div > div.box-viewcount"
+        );
+
+        // number of views is written as : "Broj pregledavanja: NNN"
+        const numberOfViewsAgencyFullText = numberOfViewsAgencySelector
+          .text()
+          .trim();
+
+        const numberOfViewsAgencyParts = numberOfViewsAgencyFullText.split(":");
+
+        const realEstatePropertiesFromDescriptions = this.getPropertiesFromDescriptions(
+          descriptionIds
+        );
+        const realEstatePropertiesFromSpaces = this.getPropertiesFromSpaces(
+          spaceIds
+        );
+
+        const realEstatePropertiesFromInfrastructure = this.getPropertiesFromInfrastructure(
+          infrastructureIds
+        );
+
+        if (extractedData["adm_realEstates_discount"] === "1") {
+          adStatus = AD_STATUS.STATUS_DISCOUNTED;
+        }
+
+        let numberOfRooms =
+            parseInt(extractedData["re_realEstates_roomsNO"]) +
+              parseInt(extractedData["re_realEstates_bedroomNO"]) || null,
+          numberOfFloors =
+            parseInt(extractedData["re_realEstates_floorsNO"]) ||
+            this.getNumberOfFloorsFromFloorId(extractedData["re_floorNO_id"]),
+          floor =
+            parseInt(extractedData["re_realEstates_floorNO"]) ||
+            this.getFloorNumberFromFloorId(extractedData["re_floorNO_id"]),
+          accessRoadType = realEstatePropertiesFromDescriptions.accessRoadType,
+          heatingType =
+            this.getHeatingTypeId(extractedData["re_heating_id"]) || null,
+          furnishingType = realEstatePropertiesFromDescriptions.furnishingType,
+          balcony =
+            realEstatePropertiesFromDescriptions.balcony ||
+            realEstatePropertiesFromSpaces.balcony,
+          newBuilding = extractedData["op_realEstates_newBuilding"]
+            ? extractedData["op_realEstates_newBuilding"] === "1"
+            : null,
+          elevator = realEstatePropertiesFromDescriptions.elevator,
+          water =
+            realEstatePropertiesFromDescriptions.water ||
+            realEstatePropertiesFromInfrastructure.water,
+          electricity =
+            realEstatePropertiesFromDescriptions.electricity ||
+            realEstatePropertiesFromInfrastructure.electricity,
+          drainageSystem =
+            realEstatePropertiesFromInfrastructure.drainageSystem,
+          registeredInZkBooks =
+            extractedData["op_realEstates_ownerPermit"] === 1 || null,
+          recentlyAdapted = null,
+          parking =
+            realEstatePropertiesFromDescriptions.parking ||
+            realEstatePropertiesFromSpaces.parking,
+          garage = realEstatePropertiesFromSpaces.garage,
+          gas = realEstatePropertiesFromInfrastructure.gas,
+          antiTheftDoor = realEstatePropertiesFromDescriptions.antiTheftDoor,
+          airCondition = realEstatePropertiesFromDescriptions.airCondition,
+          phoneConnection =
+            realEstatePropertiesFromInfrastructure.phoneConnection,
+          cableTV = realEstatePropertiesFromInfrastructure.cableTV,
+          internet = realEstatePropertiesFromInfrastructure.internet,
+          basementAttic = realEstatePropertiesFromSpaces.basementAttic,
+          storeRoom = realEstatePropertiesFromSpaces.storeRoom,
+          videoSurveillance =
+            realEstatePropertiesFromDescriptions.videoSurveillance ||
+            realEstatePropertiesFromInfrastructure.videoSurveillance,
+          alarm = realEstatePropertiesFromDescriptions.alarm,
+          suitableForStudents = null,
+          includingBills =
+            extractedData["op_realEstates_utilitiesIncluded"] === "1" || null,
+          animalsAllowed = null,
+          pool = realEstatePropertiesFromDescriptions.pool,
+          urbanPlanPermit =
+            extractedData["op_realEstates_locationPermit"] === "1" ||
+            realEstatePropertiesFromDescriptions.urbanPlanPermit,
+          buildingPermit =
+            extractedData["op_realEstates_buildingPermit"] === "1" || null,
+          utilityConnection =
+            realEstatePropertiesFromDescriptions.utilityConnection,
+          distanceToRiver = null,
+          numberOfViewsAgency =
+            numberOfViewsAgencyParts.length > 1
+              ? parseInt(numberOfViewsAgencyParts[1])
+              : null;
+
+        const title = extractedData["re_realEstates_portalName"];
+        const extractedPrice = parseFloat(
+          extractedData["re_realEstates_price"]
+        );
+        const price = extractedPrice ? extractedPrice : null;
+        const area = parseFloat(extractedData["re_realEstates_area"]);
+        const gardenSize = parseFloat(
+          extractedData["re_realEstates_fieldArea"]
+        );
+        const longDescription = htmlToText.fromString(
+          extractedData["re_realEstates_description"]
+        );
+        const locationLong = extractedData["re_realEstates_longitude"];
+        const locationLat = extractedData["re_realEstates_latitude"];
+        const publishedDateMoment = moment.tz(
+          extractedData["re_realEstates_inserted"],
+          RENTAL_ENUMS.RENTAL_PUBLISHED_DATE_FORMAT,
+          DEFAULT_TIMEZONE
+        );
+        if (!publishedDateMoment.isValid()) {
+          throw {
+            message: `Invalid published date : ${
+              extractedData["re_realEstates_inserted"]
+            }`
+          };
+        }
+
+        const renewedDateMoment = moment.tz(
+          extractedData["re_realEstates_edited"],
+          RENTAL_ENUMS.RENTAL_RENEWED_DATE_FORMAT,
+          DEFAULT_TIMEZONE
+        );
+        if (!renewedDateMoment.isValid()) {
+          throw {
+            message: `Invalid renewed date : ${
+              extractedData["re_realEstates_edited"]
+            }`
+          };
+        }
+
+        const data = {
+          url,
+          agencyObjectId: rentalId,
+          originAgencyName: AD_AGENCY.RENTAL,
+          realEstateType: adCategory,
+          adType,
+          title,
+          price,
+          area,
+          gardenSize,
+          shortDescription: "",
+          longDescription: longDescription,
+          streetNumber: 0,
+          streetName: "",
+          locality: "",
+          municipality: "",
+          city: "",
+          region: "",
+          entity: "",
+          country: "",
+          locationLat,
+          locationLong,
+          adStatus,
+          publishedDate: publishedDateMoment.toISOString(),
+          renewedDate: renewedDateMoment.toISOString(),
+          numberOfRooms,
+          numberOfFloors,
+          floor,
+          accessRoadType,
+          heatingType,
+          furnishingType,
+          balcony,
+          newBuilding,
+          elevator,
+          water,
+          electricity,
+          drainageSystem,
+          registeredInZkBooks,
+          recentlyAdapted,
+          parking,
+          garage,
+          gas,
+          antiTheftDoor,
+          airCondition,
+          phoneConnection,
+          cableTV,
+          internet,
+          basementAttic,
+          storeRoom,
+          videoSurveillance,
+          alarm,
+          suitableForStudents,
+          includingBills,
+          animalsAllowed,
+          pool,
+          urbanPlanPermit,
+          buildingPermit,
+          utilityConnection,
+          distanceToRiver,
+          numberOfViewsAgency
+        };
+
+        return data;
+      } else {
+        console.log("[RENTAL] No JSON data for this ad : ", url);
+        return null;
+      }
+    } catch (e) {
+      console.error("[RENTAL] Exception caught: " + e.message, "\r\nURL:", url);
+      return null;
+    }
+    return null;
+  }
+
+  //======= HELPER FUNCTIONS =============
+
+  getKiviCategoryIdFromRentalId(rentalCategoryId) {
+    switch (rentalCategoryId) {
+      case 1:
+        return AD_CATEGORY.HOUSE.id;
+      case 2:
+        return AD_CATEGORY.FLAT.id;
+      case 3:
+        return AD_CATEGORY.APARTMENT.id;
+      case 4:
+        return AD_CATEGORY.OFFICE.id;
+      case 5:
+        return AD_CATEGORY.LAND.id;
+      case 6:
+        return AD_CATEGORY.GARAGE.id;
+      default:
+        return undefined;
+    }
+  }
+
+  getKiviAdTypeFromRentalActionId(actionId) {
+    switch (actionId) {
+      case 1:
+        return AD_TYPE.AD_TYPE_SALE.stringId;
+      case 2:
+        return AD_TYPE.AD_TYPE_RENT.stringId;
+      default:
+        return undefined;
+    }
+  }
+
+  getPropertiesFromDescriptions(descriptionIds) {
+    const result = {
+      accessRoadType: null,
+      furnishingType: null,
+      balcony: null,
+      elevator: null,
+      parking: null,
+      antiTheftDoor: null,
+      airCondition: null,
+      videoSurveillance: null,
+      alarm: null,
+      pool: null,
+      urbanPlanPermit: null,
+      utilityConnection: null,
+      water: null,
+      electricity: null
+    };
+
+    for (const descriptionId of descriptionIds) {
+      switch (descriptionId) {
+        case 16:
+          result.furnishingType = FURNISHING_TYPE.NOT_FURNISHED.id;
+          break;
+        case 17:
+          result.furnishingType = FURNISHING_TYPE.HALF_FURNISHED.id;
+          break;
+        case 1:
+        case 28:
+          result.furnishingType = FURNISHING_TYPE.FURNISHED.id;
+          break;
+        case 14:
+          result.elevator = true;
+          break;
+        case 39:
+          result.electricity = true;
+          break;
+        case 40:
+          result.water = true;
+          break;
+        case 41:
+        case 58:
+          result.accessRoadType = ACCESS_ROAD_TYPE.ASPHALT.id;
+          break;
+        case 26:
+          result.balcony = true;
+          break;
+        case 62:
+          result.parking = true;
+          break;
+        case 3:
+          result.antiTheftDoor = true;
+          break;
+        case 2:
+        case 21:
+          result.airCondition = true;
+          break;
+        case 4:
+          result.alarm = true;
+          break;
+        case 55:
+          result.videoSurveillance = true;
+          break;
+        case 9:
+          result.pool = true;
+          break;
+        case 60:
+          result.urbanPlanPermit = true;
+          break;
+        case 38:
+          result.utilityConnection = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getPropertiesFromSpaces(spaceIds) {
+    const result = {
+      balcony: null,
+      parking: null,
+      garage: null,
+      basementAttic: null,
+      storeRoom: null
+    };
+
+    for (const spaceId of spaceIds) {
+      switch (spaceId) {
+        case 36:
+        case 12:
+          result.parking = true;
+          break;
+        case 1:
+        case 2:
+        case 3:
+          result.balcony = true;
+          break;
+        case 4:
+        case 30:
+          result.garage = true;
+          break;
+        case 9:
+        case 10:
+          result.storeRoom = true;
+          break;
+        case 18:
+        case 34:
+        case 37:
+        case 27:
+          result.basementAttic = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getHeatingTypeId(heatingRentalId) {
+    // heatingRentalId can have multiple values, like: "1, 2, 3", parseInt will take first integer value
+    const heatingId = parseInt(heatingRentalId);
+    switch (heatingId) {
+      case 27:
+      case 16:
+        return HEATING_TYPE.GAS.id;
+      case 4:
+        return HEATING_TYPE.CENTRAL_GAS.id;
+      case 3:
+      case 23:
+      case 6:
+      case 7:
+      case 8:
+      case 9:
+      case 10:
+        return HEATING_TYPE.CENTRAL_BOILER.id;
+      case 2:
+      case 13:
+      case 30:
+      case 17:
+      case 29:
+      case 31:
+        return HEATING_TYPE.ELECTRICITY.id;
+      case 24:
+      case 25:
+      case 12:
+        return HEATING_TYPE.CENTRAL_CITY.id;
+      case 26:
+      case 21:
+      case 20:
+        return HEATING_TYPE.WOOD.id;
+      case 28:
+      case 19:
+        return HEATING_TYPE.HEAT_PUMP.id;
+      case 14:
+      case 32:
+        return HEATING_TYPE.OTHER.id;
+      default:
+        return null;
+    }
+  }
+
+  getPropertiesFromInfrastructure(infrastructureIds) {
+    const result = {
+      electricity: null,
+      water: null,
+      gas: null,
+      drainageSystem: null,
+      phoneConnection: null,
+      internet: null,
+      videoSurveillance: null,
+      cableTV: null
+    };
+
+    for (const infrastructureId of infrastructureIds) {
+      switch (infrastructureId) {
+        case 1:
+          result.electricity = true;
+          break;
+        case 2:
+          result.water = true;
+          break;
+        case 4:
+          result.gas = true;
+          break;
+        case 5:
+          result.drainageSystem = true;
+          break;
+        case 7:
+        case 8:
+          result.phoneConnection = true;
+          break;
+        case 10:
+          result.internet = true;
+          break;
+        case 11:
+          result.cableTV = true;
+          break;
+        case 16:
+        case 17:
+          result.videoSurveillance = true;
+          break;
+      }
+    }
+
+    return result;
+  }
+
+  getFloorNumberFromFloorId(floorsIdText) {
+    // floorIdText can be array of numbers, separated by comma or number
+    // just extracting floor number from first element
+
+    const floorsId = floorsIdText.split(",");
+    if (floorsId.length === 0) {
+      return null;
+    }
+
+    const firstFloorId = parseInt(floorsId[0]);
+
+    // 1 pod
+    // 2 sut
+    // 3 raz
+    // 4 pri
+    // 5 vpri
+    // 6 prv
+    // 7 dru
+    // 8 tre
+    // 9 čet
+    // 10 man
+    // 11
+    // 12 pot
+    // 13 vpot
+    // 14 tav
+    // 15 pet
+    const floorNumber = [
+      -1,
+      -1,
+      0,
+      0,
+      1,
+      1,
+      2,
+      3,
+      4,
+      null,
+      null,
+      null,
+      null,
+      null,
+      5
+    ];
+
+    return floorNumber[firstFloorId - 1] || null;
+  }
+
+  getNumberOfFloorsFromFloorId(floorsIdText) {
+    // floorIdText can be array of numbers, separated by comma or number
+
+    const floorIds = floorsIdText.split(",");
+    if (floorIds.length === 0) {
+      return null;
+    }
+
+    return floorIds.length;
+  }
+
+  async sleep(ms) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+  }
+
+  async saveCrawledResults(results) {
+    const savers = this.savers;
+
+    // for (const saver of savers) {
+    //   await saver.save(results);
+    // }
+
+    //For now, we use only Postgres saver, so ...
+    return savers[0].save(results);
+    //so that we can use some sequelize options and information when data is inserted
+  }
+}
+
+module.exports = RentalCrawler;

app/helpers/codes.js

@@ -0,0 +1,931 @@
+const regions = [
+  {
+    name: " Sarajevo",
+    id: "sarajevo",
+    olxid: "9",
+    municipalities: [
+      {
+        name: "Hadžići",
+        id: "hadii",
+        olxid: "3817"
+      },
+      {
+        name: "Ilidža",
+        id: "ilida",
+        olxid: "3879"
+      },
+      {
+        name: "Ilijaš",
+        id: "ilija",
+        olxid: "3892"
+      },
+      {
+        name: "Sarajevo - Centar",
+        id: "sarajevocentar",
+        olxid: "3812"
+      },
+      {
+        name: "Sarajevo-Novi Grad",
+        id: "sarajevonovigrad",
+        olxid: "3969"
+      },
+      {
+        name: "Sarajevo-Novo Sarajevo",
+        id: "sarajevonovosarajevo",
+        olxid: "5896"
+      },
+      {
+        name: "Sarajevo-Stari Grad",
+        id: "sarajevostarigrad",
+        olxid: "4048"
+      },
+      {
+        name: "Trnovo",
+        id: "trnovo",
+        olxid: "4063"
+      },
+      {
+        name: "Vogošća",
+        id: "vogoa",
+        olxid: "4126"
+      }
+    ]
+  },
+  {
+    name: " Unsko-sanski",
+    id: "unskosanski",
+    olxid: "1",
+    municipalities: [
+      {
+        name: "Bihać",
+        id: "biha",
+        olxid: "75"
+      },
+      {
+        name: "Bosanska Krupa",
+        id: "bosanskakrupa",
+        olxid: "373"
+      },
+      {
+        name: "Bosanski Petrovac",
+        id: "bosanskipetrovac",
+        olxid: "504"
+      },
+      {
+        name: "Bužim",
+        id: "buim",
+        olxid: "374"
+      },
+      {
+        name: "Cazin",
+        id: "cazin",
+        olxid: "857"
+      },
+      {
+        name: "Ključ",
+        id: "klju",
+        olxid: "2362"
+      },
+      {
+        name: "Sanski Most",
+        id: "sanskimost",
+        olxid: "3738"
+      },
+      {
+        name: "Velika Kladuša",
+        id: "velikakladua",
+        olxid: "5122"
+      }
+    ]
+  },
+  {
+    name: " Posavski",
+    id: "posavski",
+    olxid: "2",
+    municipalities: [
+      {
+        name: "Domaljevac",
+        id: "domaljevac",
+        olxid: "6144"
+      },
+      {
+        name: "Odžak",
+        id: "odak",
+        olxid: "424"
+      },
+      {
+        name: "Orašje",
+        id: "oraje",
+        olxid: "3252"
+      },
+      {
+        name: "Šamac",
+        id: "amac",
+        olxid: "540"
+      }
+    ]
+  },
+  {
+    name: " Tuzlanski",
+    id: "tuzlanski",
+    olxid: "3",
+    municipalities: [
+      {
+        name: "Banovići",
+        id: "banovii",
+        olxid: "2"
+      },
+      {
+        name: "Doboj-Istok",
+        id: "dobojistok",
+        olxid: "1090"
+      },
+      {
+        name: "Gradačac",
+        id: "gradaac",
+        olxid: "1854"
+      },
+      {
+        name: "Gračanica",
+        id: "graanica",
+        olxid: "1826"
+      },
+      {
+        name: "Kalesija",
+        id: "kalesija",
+        olxid: "2129"
+      },
+      {
+        name: "Kladanj",
+        id: "kladanj",
+        olxid: "2319"
+      },
+      {
+        name: "Lukavac",
+        id: "lukavac",
+        olxid: "2840"
+      },
+      {
+        name: "Sapna",
+        id: "sapna",
+        olxid: "5699"
+      },
+      {
+        name: "Srebrenik",
+        id: "srebrenik",
+        olxid: "4391"
+      },
+      {
+        name: "Teočak",
+        id: "teoak",
+        olxid: "5010"
+      },
+      {
+        name: "Tuzla",
+        id: "tuzla",
+        olxid: "4944"
+      },
+      {
+        name: "Čelić",
+        id: "eli",
+        olxid: "2801"
+      },
+      {
+        name: "Živinice",
+        id: "ivinice",
+        olxid: "5774"
+      }
+    ]
+  },
+  {
+    name: " Zeničko-dobojski",
+    id: "zenickodobojski",
+    olxid: "4",
+    municipalities: [
+      {
+        name: "Breza",
+        id: "breza",
+        olxid: "704"
+      },
+      {
+        name: "Doboj-Jug",
+        id: "dobojjug",
+        olxid: "1122"
+      },
+      {
+        name: "Kakanj",
+        id: "kakanj",
+        olxid: "2022"
+      },
+      {
+        name: "Maglaj",
+        id: "maglaj",
+        olxid: "2941"
+      },
+      {
+        name: "Olovo",
+        id: "olovo",
+        olxid: "1925"
+      },
+      {
+        name: "Tešanj",
+        id: "teanj",
+        olxid: "4594"
+      },
+      {
+        name: "Usora",
+        id: "usora",
+        olxid: "1087"
+      },
+      {
+        name: "Vareš",
+        id: "vare",
+        olxid: "5037"
+      },
+      {
+        name: "Visoko",
+        id: "visoko",
+        olxid: "5171"
+      },
+      {
+        name: "Zavidovići",
+        id: "zavidovii",
+        olxid: "5548"
+      },
+      {
+        name: "Zenica",
+        id: "zenica",
+        olxid: "4571"
+      },
+      {
+        name: "Žepče",
+        id: "epe",
+        olxid: "2940"
+      }
+    ]
+  },
+  {
+    name: " Bosansko-podrinjski",
+    id: "bosanskopodrinjski",
+    olxid: "5",
+    municipalities: [
+      {
+        name: "Foča",
+        id: "foa",
+        olxid: "1289"
+      },
+      {
+        name: "Goražde",
+        id: "gorade",
+        olxid: "1588"
+      },
+      {
+        name: "Pale",
+        id: "pale",
+        olxid: "3546"
+      }
+    ]
+  },
+  {
+    name: " Srednjobosanski",
+    id: "srednjobosanski",
+    olxid: "6",
+    municipalities: [
+      {
+        name: "Bugojno",
+        id: "bugojno",
+        olxid: "732"
+      },
+      {
+        name: "Busovača",
+        id: "busovaa",
+        olxid: "810"
+      },
+      {
+        name: "Dobretići",
+        id: "dobretii",
+        olxid: "4151"
+      },
+      {
+        name: "Donji Vakuf",
+        id: "donjivakuf",
+        olxid: "1160"
+      },
+      {
+        name: "Fojnica",
+        id: "fojnica",
+        olxid: "1407"
+      },
+      {
+        name: "Gornji Vakuf - Uskoplje",
+        id: "gornjivakufuskoplje",
+        olxid: "1775"
+      },
+      {
+        name: "Jajce",
+        id: "jajce",
+        olxid: "1960"
+      },
+      {
+        name: "Kiseljak",
+        id: "kiseljak",
+        olxid: "2237"
+      },
+      {
+        name: "Kreševo",
+        id: "kreevo",
+        olxid: "2608"
+      },
+      {
+        name: "Novi Travnik",
+        id: "novitravnik",
+        olxid: "3477"
+      },
+      {
+        name: "Travnik",
+        id: "travnik",
+        olxid: "4678"
+      },
+      {
+        name: "Vitez",
+        id: "vitez",
+        olxid: "5422"
+      }
+    ]
+  },
+  {
+    name: " Hercegovačko-neretvanski",
+    id: "hercegovackoneretvanski",
+    olxid: "7",
+    municipalities: [
+      {
+        name: "Grad Mostar",
+        id: "gradmostar",
+        olxid: "3017"
+      },
+      {
+        name: "Jablanica",
+        id: "jablanica",
+        olxid: "1930"
+      },
+      {
+        name: "Konjic",
+        id: "konjic",
+        olxid: "2169"
+      },
+      {
+        name: "Neum",
+        id: "neum",
+        olxid: "3111"
+      },
+      {
+        name: "Prozor",
+        id: "prozor",
+        olxid: "3421"
+      },
+      {
+        name: "Ravno",
+        id: "ravno",
+        olxid: "4769"
+      },
+      {
+        name: "Stolac",
+        id: "stolac",
+        olxid: "4439"
+      },
+      {
+        name: "Čapljina",
+        id: "apljina",
+        olxid: "947"
+      },
+      {
+        name: "Čitluk",
+        id: "itluk",
+        olxid: "1009"
+      }
+    ]
+  },
+  {
+    name: " Zapadno-hercegovački",
+    id: "zapadnohercegovacki",
+    olxid: "8",
+    municipalities: [
+      {
+        name: "Grude",
+        id: "grude",
+        olxid: "1892"
+      },
+      {
+        name: "Ljubuški",
+        id: "ljubuki",
+        olxid: "2905"
+      },
+      {
+        name: "Posušje",
+        id: "posuje",
+        olxid: "3268"
+      },
+      {
+        name: "Široki Brijeg",
+        id: "irokibrijeg",
+        olxid: "2708"
+      }
+    ]
+  },
+  {
+    name: " Livanjski",
+    id: "livanjski",
+    olxid: "10",
+    municipalities: [
+      {
+        name: "Bosansko Grahovo",
+        id: "bosanskograhovo",
+        olxid: "560"
+      },
+      {
+        name: "Drvar",
+        id: "drvar",
+        olxid: "4640"
+      },
+      {
+        name: "Glamoč",
+        id: "glamo",
+        olxid: "1533"
+      },
+      {
+        name: "Kupres",
+        id: "kupres",
+        olxid: "2635"
+      },
+      {
+        name: "Livno",
+        id: "livno",
+        olxid: "2741"
+      },
+      {
+        name: "Tomislavgrad",
+        id: "tomislavgrad",
+        olxid: "1228"
+      }
+    ]
+  },
+  {
+    name: " Banjalučka",
+    id: "banjalučka",
+    olxid: "14",
+    municipalities: [
+      {
+        name: "Banja Luka",
+        id: "banjaluka",
+        olxid: "21"
+      },
+      {
+        name: "Gradiška",
+        id: "gradika",
+        olxid: "305"
+      },
+      {
+        name: "Istočni Drvar",
+        id: "istonidrvar",
+        olxid: "4662"
+      },
+      {
+        name: "Jezero",
+        id: "jezero",
+        olxid: "1965"
+      },
+      {
+        name: "Kneževo",
+        id: "kneevo",
+        olxid: "4147"
+      },
+      {
+        name: "Kostajnica",
+        id: "kostajnica",
+        olxid: "6142"
+      },
+      {
+        name: "Kotor Varoš",
+        id: "kotorvaro",
+        olxid: "2574"
+      },
+      {
+        name: "Kozarska Dubica",
+        id: "kozarskadubica",
+        olxid: "244"
+      },
+      {
+        name: "Krupa na uni",
+        id: "krupanauni",
+        olxid: "382"
+      },
+      {
+        name: "Kupres ",
+        id: "kupres",
+        olxid: "2654"
+      },
+      {
+        name: "Laktaši",
+        id: "laktai",
+        olxid: "2671"
+      },
+      {
+        name: "Mrkonjić Grad",
+        id: "mrkonjigrad",
+        olxid: "3073"
+      },
+      {
+        name: "Novi Grad",
+        id: "novigrad",
+        olxid: "444"
+      },
+      {
+        name: "Oštra Luka",
+        id: "otraluka",
+        olxid: "3737"
+      },
+      {
+        name: "Petrovac",
+        id: "petrovac",
+        olxid: "515"
+      },
+      {
+        name: "Prijedor",
+        id: "prijedor",
+        olxid: "3287"
+      },
+      {
+        name: "Prnjavor",
+        id: "prnjavor",
+        olxid: "3358"
+      },
+      {
+        name: "Ribnik",
+        id: "ribnik",
+        olxid: "2365"
+      },
+      {
+        name: "Srbac",
+        id: "srbac",
+        olxid: "4271"
+      },
+      {
+        name: "Čelinac",
+        id: "elinac",
+        olxid: "979"
+      },
+      {
+        name: "Šipovo",
+        id: "ipovo",
+        olxid: "4509"
+      }
+    ]
+  },
+  {
+    name: " Dobojsko-Bijeljinska",
+    id: "dobojskobijeljinska",
+    olxid: "15",
+    municipalities: [
+      {
+        name: "Bijeljina",
+        id: "bijeljina",
+        olxid: "123"
+      },
+      {
+        name: "Bosanski Brod",
+        id: "bosanskibrod",
+        olxid: "421"
+      },
+      {
+        name: "Derventa",
+        id: "derventa",
+        olxid: "1030"
+      },
+      {
+        name: "Doboj",
+        id: "doboj",
+        olxid: "1088"
+      },
+      {
+        name: "Donji Žabar",
+        id: "donjiabar",
+        olxid: "3254"
+      },
+      {
+        name: "Lopare",
+        id: "lopare",
+        olxid: "2800"
+      },
+      {
+        name: "Lukavac",
+        id: "lukavac",
+        olxid: "6029"
+      },
+      {
+        name: "Modriča",
+        id: "modria",
+        olxid: "2996"
+      },
+      {
+        name: "Pelagićevo",
+        id: "pelagievo",
+        olxid: "1856"
+      },
+      {
+        name: "Petrovo",
+        id: "petrovo",
+        olxid: "1827"
+      },
+      {
+        name: "Stanari",
+        id: "stanari",
+        olxid: "1148"
+      },
+      {
+        name: "Teslić",
+        id: "tesli",
+        olxid: "4549"
+      },
+      {
+        name: "Tešanj",
+        id: "teanj",
+        olxid: "4636"
+      },
+      {
+        name: "Travnik",
+        id: "travnik",
+        olxid: "4692"
+      },
+      {
+        name: "Tuzla",
+        id: "tuzla",
+        olxid: "4966"
+      },
+      {
+        name: "Ugljevik",
+        id: "ugljevik",
+        olxid: "5009"
+      },
+      {
+        name: "Vukosavlje",
+        id: "vukosavlje",
+        olxid: "3197"
+      },
+      {
+        name: "Šamac",
+        id: "amac",
+        olxid: "539"
+      }
+    ]
+  },
+  {
+    name: " Sarajevsko-Zvornička",
+    id: "sarajevskozvornicka",
+    olxid: "16",
+    municipalities: [
+      {
+        name: "Bratunac",
+        id: "bratunac",
+        olxid: "595"
+      },
+      {
+        name: "Han Pijesak",
+        id: "hanpijesak",
+        olxid: "1904"
+      },
+      {
+        name: "Ilijaš",
+        id: "ilija",
+        olxid: "3947"
+      },
+      {
+        name: "Istočni Stari Grad",
+        id: "istonistarigrad",
+        olxid: "4049"
+      },
+      {
+        name: "Kasindo",
+        id: "kasindo",
+        olxid: "3880"
+      },
+      {
+        name: "Kladanj",
+        id: "kladanj",
+        olxid: "2325"
+      },
+      {
+        name: "Lukavica",
+        id: "lukavica",
+        olxid: "3971"
+      },
+      {
+        name: "Milići",
+        id: "milii",
+        olxid: "6143"
+      },
+      {
+        name: "Olovo",
+        id: "olovo",
+        olxid: "3221"
+      },
+      {
+        name: "Osmaci",
+        id: "osmaci",
+        olxid: "2128"
+      },
+      {
+        name: "Pale",
+        id: "pale",
+        olxid: "3978"
+      },
+      {
+        name: "Rogatica",
+        id: "rogatica",
+        olxid: "3529"
+      },
+      {
+        name: "Rudo",
+        id: "rudo",
+        olxid: "3648"
+      },
+      {
+        name: "Sarajevo-Novi Grad",
+        id: "sarajevonovigrad",
+        olxid: "6069"
+      },
+      {
+        name: "Sokolac",
+        id: "sokolac",
+        olxid: "4183"
+      },
+      {
+        name: "Srebrenica",
+        id: "srebrenica",
+        olxid: "4310"
+      },
+      {
+        name: "Trnovo",
+        id: "trnovo",
+        olxid: "4067"
+      },
+      {
+        name: "Ustiprača",
+        id: "ustipraa",
+        olxid: "1593"
+      },
+      {
+        name: "Višegrad",
+        id: "viegrad",
+        olxid: "5259"
+      },
+      {
+        name: "Vlasenica",
+        id: "vlasenica",
+        olxid: "5456"
+      },
+      {
+        name: "Zvornik",
+        id: "zvornik",
+        olxid: "5684"
+      },
+      {
+        name: "Šekovići",
+        id: "ekovii",
+        olxid: "4475"
+      },
+      {
+        name: "Žepa",
+        id: "epa",
+        olxid: "1906"
+      }
+    ]
+  },
+  {
+    name: " Trebinjsko-Fočanska",
+    id: "trebinjskofocanska",
+    olxid: "17",
+    municipalities: [
+      {
+        name: "Berkovići",
+        id: "berkovii",
+        olxid: "4441"
+      },
+      {
+        name: "Bileća",
+        id: "bilea",
+        olxid: "183"
+      },
+      {
+        name: "Foča",
+        id: "foa",
+        olxid: "1287"
+      },
+      {
+        name: "Gacko",
+        id: "gacko",
+        olxid: "1462"
+      },
+      {
+        name: "Istočni Mostar",
+        id: "istonimostar",
+        olxid: "3038"
+      },
+      {
+        name: "Kalinovik",
+        id: "kalinovik",
+        olxid: "2164"
+      },
+      {
+        name: "Ljubinje",
+        id: "ljubinje",
+        olxid: "2884"
+      },
+      {
+        name: "Nevesinje",
+        id: "nevesinje",
+        olxid: "3138"
+      },
+      {
+        name: "Trebinje",
+        id: "trebinje",
+        olxid: "4766"
+      },
+      {
+        name: "Čajniče",
+        id: "ajnie",
+        olxid: "911"
+      }
+    ]
+  },
+  {
+    name: "Distrikt Brčko",
+    id: "distriktbrcko",
+    olxid: "12",
+    municipalities: [
+      {
+        name: "Brčko",
+        id: "brko",
+        olxid: "645"
+      }
+    ]
+  }
+];
+
+const getRegions = () => {
+  return regions.map(g => ({ name: g.name, id: g.id, olxid: g.olxid }));
+};
+
+const getRegion = regionId => {
+  return regions.find(region => region.id === regionId);
+};
+
+const getRegionName = regionId => {
+  const region = getRegion(regionId);
+  return region && region.name ? region.name : null;
+};
+
+const getMunicipalitiesForRegion = regionId => {
+  const region = getRegion(regionId);
+  return region && region.municipalities ? region.municipalities : null;
+};
+
+const getMunicipality = (regionId, municipalityId) => {
+  const region = getRegion(regionId);
+  if (!region) {
+    return null;
+  }
+
+  const municipality = region.municipalities.find(
+    municipality => municipality.id === municipalityId
+  );
+  if (!municipality) {
+    return null;
+  }
+
+  return municipality;
+};
+
+const getMunicipalityName = (regionId, municipalityId) => {
+  const region = getRegion(regionId);
+  if (!region) {
+    return null;
+  }
+
+  const municipality = region.municipalities.find(
+    municipality => municipality.id === municipalityId
+  );
+  if (!municipality) {
+    return null;
+  }
+
+  return municipality.name;
+};
+
+module.exports = {
+  getRegion,
+  getRegions,
+  getRegionName,
+  getMunicipalitiesForRegion,
+  getMunicipalityName,
+  getMunicipality
+};

app/helpers/db/realEstate.js

@@ -0,0 +1,304 @@
+"use strict";
+const db = require("../../models/index");
+const sequelize = require("sequelize");
+const Op = sequelize.Op;
+const bulkUpsertRealEstates = async realEstateData => {
+  try {
+    const fieldsToUpdateIfDuplicate = [
+      "realEstateType",
+      "adType",
+      "price",
+      "area",
+      "streetNumber",
+      "streetName",
+      "locality",
+      "municipality",
+      "city",
+      "region",
+      "entity",
+      "country",
+      "locationLat",
+      "locationLong",
+      "title",
+      "shortDescription",
+      "longDescription",
+      "gardenSize",
+      "adStatus",
+      "updatedAt",
+      "renewedDate",
+      "numberOfRooms",
+      "numberOfFloors",
+      "floor",
+      "accessRoadType",
+      "heatingType",
+      "furnishingType",
+      "balcony",
+      "newBuilding",
+      "elevator",
+      "water",
+      "electricity",
+      "drainageSystem",
+      "registeredInZkBooks",
+      "recentlyAdapted",
+      "parking",
+      "garage",
+      "gas",
+      "antiTheftDoor",
+      "airCondition",
+      "phoneConnection",
+      "cableTV",
+      "internet",
+      "basementAttic",
+      "storeRoom",
+      "videoSurveillance",
+      "alarm",
+      "suitableForStudents",
+      "includingBills",
+      "animalsAllowed",
+      "pool",
+      "urbanPlanPermit",
+      "buildingPermit",
+      "utilityConnection",
+      "distanceToRiver",
+      "numberOfViewsAgency"
+    ];
+    const order = [["updatedAt", "desc"]];
+
+    return await db.RealEstate.bulkCreate(realEstateData, {
+      updateOnDuplicate: fieldsToUpdateIfDuplicate,
+      returning: true,
+      order
+    });
+  } catch (e) {
+    console.log("Error bulk upserting realEstates : ", e);
+  }
+};
+
+const getRealEstateById = async id => {
+  return db.RealEstate.findByPk(id);
+};
+
+const findRealEstatesForSearchRequest = async (searchRequest, maxResults) => {
+  const {
+    priceMin,
+    priceMax,
+    sizeMin,
+    sizeMax,
+    adType,
+    realEstateType,
+    areaToSearch,
+    gardenSizeMin,
+    gardenSizeMax,
+    numberOfRoomsMin,
+    numberOfRoomsMax,
+    numberOfFloorsMin,
+    numberOfFloorsMax,
+    floorMin,
+    floorMax,
+    includeIncompleteAds,
+    balcony,
+    elevator,
+    newBuilding,
+    accessRoadType
+  } = searchRequest;
+
+  const longitudeColumn = sequelize.col("locationLong");
+  const latitudeColumn = sequelize.col("locationLat");
+
+  const pointGeometry = sequelize.fn(
+    "ST_Point",
+    longitudeColumn,
+    latitudeColumn
+  );
+  const pointWithSRID = sequelize.fn("ST_SetSRID", pointGeometry, 4326);
+  const areaToSearchAsGeometry = sequelize.fn(
+    "ST_GeomFromGeoJSON",
+    JSON.stringify(areaToSearch)
+  );
+  const areaToSearchWithSRID = sequelize.fn(
+    "ST_SetSRID",
+    areaToSearchAsGeometry,
+    4326
+  );
+  const contains = sequelize.fn(
+    "ST_Contains",
+    areaToSearchWithSRID,
+    pointWithSRID
+  );
+
+  const geoSearchQueryPart = sequelize.where(contains, true);
+
+  //General queries contain only attributes that are defined for every searchreq
+
+  //Query for case of complete ads
+  const query = {
+    adType,
+    realEstateType,
+    price: {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: priceMax,
+          [Op.gte]: priceMin
+        },
+        [Op.is]: null
+      }
+    },
+    area: {
+      [Op.lte]: sizeMax,
+      [Op.gte]: sizeMin
+    },
+    [Op.and]: geoSearchQueryPart
+  };
+
+  //Query for case of incomplete ads
+  const queryIncludeIncomplete = {
+    adType,
+    realEstateType,
+    price: {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: priceMax,
+          [Op.gte]: priceMin
+        },
+        [Op.is]: null
+      }
+    },
+    area: {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: sizeMax,
+          [Op.gte]: sizeMin
+        },
+        [Op.is]: null
+      }
+    },
+    [Op.and]: geoSearchQueryPart
+  };
+
+  //Every other attribute is checked separately and included in query only if it is defined
+  if (gardenSizeMax && gardenSizeMin) {
+    query.gardenSize = {
+      [Op.lte]: gardenSizeMax,
+      [Op.gte]: gardenSizeMin
+    };
+    queryIncludeIncomplete.gardenSize = {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: gardenSizeMax,
+          [Op.gte]: gardenSizeMin
+        },
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (numberOfRoomsMin && numberOfRoomsMax) {
+    query.numberOfRooms = {
+      [Op.lte]: numberOfRoomsMax,
+      [Op.gte]: numberOfRoomsMin
+    };
+    queryIncludeIncomplete.numberOfRooms = {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: numberOfRoomsMax,
+          [Op.gte]: numberOfRoomsMin
+        },
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (numberOfFloorsMin && numberOfFloorsMax) {
+    query.numberOfFloors = {
+      [Op.lte]: numberOfFloorsMax,
+      [Op.gte]: numberOfFloorsMin
+    };
+    queryIncludeIncomplete.numberOfFloors = {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: numberOfFloorsMax,
+          [Op.gte]: numberOfFloorsMin
+        },
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (floorMin && floorMax) {
+    query.floor = {
+      [Op.lte]: floorMax,
+      [Op.gte]: floorMin
+    };
+    queryIncludeIncomplete.floor = {
+      [Op.or]: {
+        [Op.and]: {
+          [Op.lte]: floorMax,
+          [Op.gte]: floorMin
+        },
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (balcony) {
+    query.balcony = {
+      [Op.eq]: balcony
+    };
+    queryIncludeIncomplete.balcony = {
+      [Op.or]: {
+        [Op.eq]: balcony,
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (newBuilding) {
+    query.newBuilding = {
+      [Op.eq]: newBuilding
+    };
+    queryIncludeIncomplete.newBuilding = {
+      [Op.or]: {
+        [Op.eq]: newBuilding,
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (elevator) {
+    query.elevator = {
+      [Op.eq]: elevator
+    };
+    queryIncludeIncomplete.elevator = {
+      [Op.or]: {
+        [Op.eq]: elevator,
+        [Op.is]: null
+      }
+    };
+  }
+
+  if (accessRoadType !== "ANY") {
+    query.accessRoadType = {
+      [Op.eq]: accessRoadType
+    };
+    queryIncludeIncomplete.accessRoadType = {
+      [Op.or]: {
+        [Op.eq]: accessRoadType,
+        [Op.is]: null
+      }
+    };
+  }
+
+  const order = [["updatedAt", "desc"]];
+
+  return db.RealEstate.findAll({
+    where: includeIncompleteAds ? queryIncludeIncomplete : query,
+    limit: maxResults,
+    order
+  });
+};
+
+module.exports = {
+  bulkUpsertRealEstates,
+  getRealEstateById,
+  findRealEstatesForSearchRequest
+};

app/helpers/db/searchRequest.js

@@ -0,0 +1,180 @@
+"use strict";
+const db = require("../../models/index");
+const sequelize = require("sequelize");
+const Op = sequelize.Op;
+const { AD_CATEGORY } = require("../../common/enums");
+
+const getSearchRequest = async searchRequestId => {
+  try {
+    return await db.SearchRequest.findByPk(searchRequestId);
+  } catch (error) {
+    console.log("searchrequest.js", error);
+    return null;
+  }
+};
+
+const createSearchRequest = async (searchRequestFields = {}) => {
+  return await db.SearchRequest.create(searchRequestFields);
+};
+
+const findSearchRequestsForRealEstate = async realEstate => {
+  const {
+    price,
+    area,
+    adType,
+    realEstateType,
+    locationLat,
+    locationLong,
+    accessRoadType,
+    balcony,
+    newBuilding,
+    elevator,
+    gardenSize,
+    numberOfRooms,
+    numberOfFloors,
+    floor
+  } = realEstate;
+
+  if (!locationLat || !locationLong) {
+    return [];
+  }
+
+  const stGeometry = sequelize.fn(
+    "ST_GEOMFROMTEXT",
+    `POINT (${locationLong} ${locationLat})`,
+    4326
+  );
+  const areaToSearchColumn = sequelize.col("areaToSearch");
+  const contains = sequelize.fn("ST_Contains", areaToSearchColumn, stGeometry);
+
+  const geoSearchQueryPart = sequelize.where(contains, true);
+
+  //General query contains only attributes that are defined for every RealEstate - not null
+  const query = {
+    adType,
+    realEstateType,
+    subscribed: true,
+    [Op.and]: geoSearchQueryPart
+  };
+  //Needed for defining which attribute should exist or not
+  const realEstateTypeObject = AD_CATEGORY[realEstateType];
+  //Needed to decide on including incomplete RealEstates data
+  let checkForIncompleteWanted = false;
+
+  //Attributes are checked separately and included in query only if defined
+  //Price and area should be defined for every property
+
+  if (price) {
+    query.priceMin = {
+      [Op.lte]: price
+    };
+    query.priceMax = {
+      [Op.gte]: price
+    };
+  }
+
+  if (area) {
+    query.sizeMin = {
+      [Op.lte]: area
+    };
+    query.sizeMax = {
+      [Op.gte]: area
+    };
+  } else {
+    checkForIncompleteWanted = true;
+  }
+  //Other attributes can be defined or not depending on RealEstate type
+  if (gardenSize) {
+    query.gardenSizeMin = {
+      [Op.lte]: gardenSize
+    };
+    query.gardenSizeMax = {
+      [Op.gte]: gardenSize
+    };
+  } else if (realEstateTypeObject.hasGardenSize) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (numberOfRooms) {
+    query.numberOfRoomsMin = {
+      [Op.lte]: numberOfRooms
+    };
+    query.numberOfRoomsMax = {
+      [Op.gte]: numberOfRooms
+    };
+  } else if (realEstateTypeObject.hasNumberOfRoom) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (numberOfFloors) {
+    query.numberOfFloorsMin = {
+      [Op.lte]: numberOfFloors
+    };
+    query.numberOfFloorsMax = {
+      [Op.gte]: numberOfFloors
+    };
+  } else if (realEstateTypeObject.hasNumberOfFloors) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (floor) {
+    query.floorMin = {
+      [Op.lte]: floor
+    };
+    query.floorMax = {
+      [Op.gte]: floor
+    };
+  } else if (realEstateTypeObject.hasFloorProp) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (accessRoadType) {
+    query.accessRoadType = {
+      [Op.or]: {
+        [Op.eq]: "ANY",
+        [Op.eq]: accessRoadType
+      }
+    };
+  } else if (realEstateTypeObject.hasAccesRoadType) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (balcony) {
+    query.balcony = {
+      [Op.eq]: balcony
+    };
+  } else if (realEstateTypeObject.hasBalconyProp) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (newBuilding) {
+    query.newBuilding = {
+      [Op.eq]: newBuilding
+    };
+  } else if (realEstateTypeObject.hasNewBuildingProp) {
+    checkForIncompleteWanted = true;
+  }
+
+  if (elevator) {
+    query.elevator = {
+      [Op.eq]: elevator
+    };
+  } else if (realEstateTypeObject.hasElevatorProp) {
+    checkForIncompleteWanted = true;
+  }
+
+  //If one of the attributes that exists for property type is null
+  //we include in query to check if incomplete real estates are accepted
+  if (checkForIncompleteWanted) {
+    query.includeIncompleteAds = {
+      [Op.eq]: true
+    };
+  }
+  return await db.SearchRequest.findAll({ where: query });
+};
+
+module.exports = {
+  getSearchRequest,
+  createSearchRequest,
+  findSearchRequestsForRealEstate
+};

app/helpers/db/searchRequestMatch.js

@@ -0,0 +1,54 @@
+"use strict";
+const db = require("../../models/index");
+
+const findRealEstatesForSearchRequest = async searchRequestId => {
+  const query = {
+    searchRequestId
+  };
+
+  const realEstatesModel = { model: db.RealEstate, as: "realEstates" };
+  const order = [[realEstatesModel, "updatedAt", "desc"]];
+  const include = [realEstatesModel];
+
+  const matches = await db.SearchRequestMatch.findAll({
+    where: query,
+    include,
+    order
+  });
+
+  const matchingRealEstates = [];
+  for (const match of matches) {
+    matchingRealEstates.push(...match.realEstates);
+  }
+
+  return matchingRealEstates;
+};
+
+const findNotNotifiedMatches = async () => {
+  const query = {
+    notified: false
+  };
+
+  const searchRequestsModel = { model: db.SearchRequest, as: "searchRequests" };
+  const realEstateModel = { model: db.RealEstate, as: "realEstates" };
+  const include = [searchRequestsModel, realEstateModel];
+
+  const matchingRecords = await db.SearchRequestMatch.findAll({
+    where: query,
+    include
+  });
+
+  return matchingRecords;
+};
+
+const addMatches = async matchingRecords => {
+  return await db.SearchRequestMatch.bulkCreate(matchingRecords, {
+    ignoreDuplicates: true
+  });
+};
+
+module.exports = {
+  findRealEstatesForSearchRequest,
+  addMatches,
+  findNotNotifiedMatches
+};

app/helpers/email.js

@@ -0,0 +1,8 @@
+const isValidEmail = email => {
+  const simpleEmailRegex = /^(([^<>()\[\]\\.,;:\s@"]+(\.[^<>()\[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
+  return email && email.length < 250 && simpleEmailRegex.test(email);
+};
+
+module.exports = {
+  isValidEmail
+};

app/helpers/emailContentGenerator.js

@@ -0,0 +1,127 @@
+"use strict";
+
+const { MAX_REAL_ESTATES_IN_EMAIL, APP_URL } = require("../config/appConfig");
+const { AD_CATEGORY } = require("../common/enums");
+
+const generateEmailFooter = searchRequestId => {
+  return `<div>Ako želite prestati dobijati obavještenja za ovu pretragu, <a href="${APP_URL}/odjava/${searchRequestId}">odjavite ovdje</a></div>
+     <div>Ako želite pogledati ili promijeniti uslove za ovu pretragu, <a href="${APP_URL}/pregled/${searchRequestId}">pogledajte ovdje</a></div>
+     <br/> 
+     <strong>Vaš,<br/>Kivi tim</strong>`;
+};
+
+const generateRealEstateLinks = realEstates => {
+  let realEstateLinks = "";
+  for (const realEstate of realEstates) {
+    const { id: realEstateId, title } = realEstate;
+
+    realEstateLinks += `<li><a href="${APP_URL}/redirect/${realEstateId}">${title}</a></li>`;
+  }
+  return realEstateLinks;
+};
+
+const generateNotificationEmail = (
+  realEstates,
+  searchRequestId,
+  dailyNotification = false
+) => {
+  const truncateList = realEstates.length > MAX_REAL_ESTATES_IN_EMAIL;
+  const realEstatesToShow = truncateList
+    ? realEstates.slice(0, MAX_REAL_ESTATES_IN_EMAIL)
+    : realEstates;
+
+  const allRealEstatesLink = `${APP_URL}/nekretnine/${searchRequestId}`;
+  const realEstateLinks = generateRealEstateLinks(realEstatesToShow);
+  const moreRealEstates = `<div>Kompletan spisak nekretnina možete pogledati na <a href="${allRealEstatesLink}">listi nekretnina</a><div>`;
+  const emailFooter = generateEmailFooter(searchRequestId);
+  const asapMessageBody =
+    realEstates.length > 1
+      ? "Pronašli smo nekretnine koje odgovaraju Vašoj pretrazi"
+      : "Pronašli smo nekretninu koja odgovara Vašoj pretrazi";
+
+  const dailyMessageBody =
+    realEstates.length > 1
+      ? "U posljednja 24h objavljene su sljedeće nekretnine koje odgovaraju uslovima Vaše pretrage"
+      : "U posljednja 24h objavljena je sljedeća nekretnina koja odgovara uslovima Vaše pretrage";
+
+  const messageBody = dailyNotification ? dailyMessageBody : asapMessageBody;
+
+  return `<h3>Zdravo</h3>
+  <h4>${messageBody}</h4>
+  <div>
+  ${realEstateLinks}
+  <div/>
+  ${moreRealEstates}
+  </div>
+  <br/>
+  ${emailFooter}`;
+};
+
+const generateNewSearchRequestEmail = (searchRequest, matchingRealEstates) => {
+  const realEstateType = AD_CATEGORY[searchRequest.realEstateType];
+  const {
+    id,
+    gardenSizeMin,
+    gardenSizeMax,
+    sizeMin,
+    sizeMax,
+    priceMin,
+    priceMax
+  } = searchRequest;
+
+  const realEstateLinks = generateRealEstateLinks(matchingRealEstates);
+  const instantRealEstatesText = `<br/>
+       <div>
+        U međuvremenu pogledajte neke od nedavno objavljenih nekretnina koje odgovaraju Vašim uslovima pretrage :<br/>
+        ${realEstateLinks}
+       </div>`;
+
+  const gardenSize = realEstateType.hasGardenSize
+    ? `<div><strong>Kvadratura okućnice: Od ${gardenSizeMin} do ${gardenSizeMax} m2</strong></div>`
+    : ``;
+
+  const emailFooter = generateEmailFooter(id);
+
+  return `<h3>Zdravo</h3>
+  <div>Naručili ste da Vam javimo ako se nekretnina sa navedenim uslovima pojavi u oglasima:</div>
+  <br/>
+  <div>
+    <div><strong>Tip nekretnine: </strong>${realEstateType.title}</div>
+    <div><strong>Kvadratura nekretnine:</strong> Od ${sizeMin} do ${sizeMax} m2</div>
+    ${gardenSize}
+    <div><strong>Cijena:</strong> ${priceMin} do ${priceMax} KM</div>
+  </div>
+  ${matchingRealEstates.length > 0 ? instantRealEstatesText : ""}
+  <br/>
+  ${emailFooter}`;
+};
+
+const generateEmailSubject = (numberOfRealEstates, singleRealEstateTitle) => {
+  if (numberOfRealEstates === 1) {
+    return `Kivi: ${singleRealEstateTitle}`;
+  }
+
+  const leastSignificantDigit = numberOfRealEstates % 10;
+  const numberWithoutLastDigit = Math.floor(numberOfRealEstates / 10);
+  const secondLeastSignificantDigit = numberWithoutLastDigit % 10;
+
+  if (leastSignificantDigit === 1 && secondLeastSignificantDigit !== 1) {
+    return `Kivi : ${numberOfRealEstates} nova nekretnina`;
+  }
+
+  if (
+    leastSignificantDigit >= 2 &&
+    leastSignificantDigit <= 4 &&
+    secondLeastSignificantDigit !== 1
+  ) {
+    return `Kivi: ${numberOfRealEstates} nove nekretnine`;
+  }
+
+  return `Kivi: ${numberOfRealEstates} novih nekretnina`;
+};
+
+module.exports = {
+  generateNotificationEmail,
+  generateNewSearchRequestEmail,
+  generateEmailSubject
+};

app/helpers/forceSSL.js

@@ -0,0 +1,25 @@
+/**
+ * Force load with https on production environment
+ * https://devcenter.heroku.com/articles/http-routing#heroku-headers
+ */
+module.exports = function(environments, status) {
+  environments = environments || ["production"];
+  status = status || 301;
+  // console.log("New force SSL ");
+  // console.log("\tenvs : ", environments);
+  // console.log("\tstatus: ", status);
+  // console.log("\tENV : ", process.env.NODE_ENV);
+  return function(req, res, next) {
+    if (environments.indexOf(process.env.NODE_ENV) >= 0) {
+      if (req.headers["x-forwarded-proto"] !== "https") {
+        const urlToRedirectTo = `https://${req.hostname}${req.originalUrl}`;
+        // console.log("\tRedirect :", urlToRedirectTo);
+        res.redirect(status, urlToRedirectTo);
+      } else {
+        next();
+      }
+    } else {
+      next();
+    }
+  };
+};

app/helpers/url.js

@@ -0,0 +1,12 @@
+const { getSearchRequest } = require("./db/searchRequest");
+
+const currentSearchRequest = async req => {
+  const searchRequestId =
+    req && req.params ? req.params["searchRequestId"] : null;
+  if (!searchRequestId) return null;
+
+  return await getSearchRequest(searchRequestId);
+};
+module.exports = {
+  currentSearchRequest
+};

app/migrations/20190417035319-create-market-alert.js

@@ -0,0 +1,34 @@
+"use strict";
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("MarketAlerts", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      olxUrl: {
+        type: Sequelize.STRING
+      },
+      lastDate: {
+        type: Sequelize.STRING
+      },
+      email: {
+        type: Sequelize.STRING,
+        allowNull: false
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable("MarketAlerts");
+  }
+};

app/migrations/20190417035707-create-real-estate-request.js

@@ -0,0 +1,33 @@
+"use strict";
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("RealEstateRequests", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      uniqueId: {
+        type: Sequelize.UUID
+      },
+      realEstateType: {
+        type: Sequelize.STRING
+      },
+      email: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.dropTable("RealEstateRequests");
+  }
+};

app/migrations/20190427043621-add_city_to_real_estate_request.js

@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn(
+      "RealEstateRequests",
+      "city",
+      Sequelize.STRING
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "city");
+  }
+};

app/migrations/20190429050222-add_place_to_real_estate_request.js

@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn(
+      "RealEstateRequests",
+      "place",
+      Sequelize.STRING
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "place");
+  }
+};

app/migrations/20190516180226-rename-place-column.js

@@ -0,0 +1,19 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn(
+      "RealEstateRequests",
+      "place",
+      "municipality"
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn(
+      "RealEstateRequests",
+      "municipality",
+      "place"
+    );
+  }
+};

app/migrations/20190516222240-rename-city-column.js

@@ -0,0 +1,11 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn("RealEstateRequests", "city", "region");
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn("RealEstateRequests", "region", "city");
+  }
+};

app/migrations/20190517072957-add-size-to-real-estate-request.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstateRequests", "size", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "size");
+  }
+};

app/migrations/20190517090015-add-gardenSize-to-real-estate-request.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstateRequests", "gardenSize", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "gardenSize");
+  }
+};

app/migrations/20190517092716-add-price-to-real-estate-request.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstateRequests", "price", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "price");
+  }
+};

app/migrations/20190523144812-activate-postgis.js

@@ -0,0 +1,19 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize
+      .query("CREATE EXTENSION postgis")
+      .then(([results, metadata]) => {
+        /// No result
+      });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize
+      .query("DROP EXTENSION IF EXISTS postgis")
+      .then(([results, metadata]) => {
+        /// No result
+      });
+  }
+};

app/migrations/20190523151420-add-bounding-box-column.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize
+      .query(
+        'ALTER TABLE "RealEstateRequests" ADD COLUMN bounding_box geometry(Polygon);'
+      )
+      .then(([results, metadata]) => {
+        /// No result
+      });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize
+      .query('ALTER TABLE "RealEstateRequests" DROP COLUMN bounding_box')
+      .then(([results, metadata]) => {
+        /// No result
+      });
+  }
+};

app/migrations/20190529093410-slider-fields.js

@@ -0,0 +1,48 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "sizeRange",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "gardenSizeRange",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "priceRange",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("RealEstateRequests", "sizeRange", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "gardenSizeRange", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "priceRange", {
+          transaction: t
+        })
+      ]);
+    });
+  }
+};

app/migrations/20190530101945-range-fields.js

@@ -0,0 +1,147 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("RealEstateRequests", "sizeRange", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "gardenSizeRange", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "priceRange", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "size", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "gardenSize", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "price", {
+          transaction: t
+        }),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "gardenSizeMin",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "gardenSizeMax",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "sizeMin",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "sizeMax",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "priceMin",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "priceMax",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("RealEstateRequests", "gardenSizeMin", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "gardenSizeMax", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "sizeMin", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "sizeMax", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "priceMin", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("RealEstateRequests", "priceMin", {
+          transaction: t
+        }),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "priceMax",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "gardenSizeRange",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "priceRange",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "size",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "gardenSize",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "RealEstateRequests",
+          "price",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  }
+};

app/migrations/20190531111232-subscribed-boolean.js

@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn(
+      "RealEstateRequests",
+      "subscribed",
+      Sequelize.BOOLEAN
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "subscribed");
+  }
+};

app/migrations/20190618103020-expand-maketalert.js

@@ -0,0 +1,70 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "size",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "gardenSize",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "price",
+          {
+            type: Sequelize.INTEGER
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "municipality",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "region",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("MarketAlerts", "size", { transaction: t }),
+        queryInterface.removeColumn("MarketAlerts", "gardenSize", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("MarketAlerts", "price", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("MarketAlerts", "municipality", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("MarketAlerts", "region", {
+          transaction: t
+        })
+      ]);
+    });
+  }
+};

app/migrations/20190618124522-marketalerts-additional-info.js

@@ -0,0 +1,59 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("MarketAlerts", "olxUrl", {
+          transaction: t
+        }),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "url",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "realestateOrigin",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        ),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "originId",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.transaction(t => {
+      return Promise.all([
+        queryInterface.removeColumn("MarketAlerts", "url", { transaction: t }),
+        queryInterface.removeColumn("MarketAlerts", "realestateOrigin", {
+          transaction: t
+        }),
+        queryInterface.removeColumn("MarketAlerts", "originId", {
+          transaction: t
+        }),
+        queryInterface.addColumn(
+          "MarketAlerts",
+          "olxUrl",
+          {
+            type: Sequelize.STRING
+          },
+          { transaction: t }
+        )
+      ]);
+    });
+  }
+};

app/migrations/20190621162321-add-category-to-marketalert.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("MarketAlerts", "realEstateType", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("MarketAlerts", "realEstateType");
+  }
+};

app/migrations/20190625120813-add-notification-sent-boolean-marketalerts.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("MarketAlerts", "notified", {
+      type: Sequelize.BOOLEAN
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("MarketAlerts", "notified");
+  }
+};

app/migrations/20190628165512-add-title-to-marketalerts.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("MarketAlerts", "title", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("MarketAlerts", "title");
+  }
+};

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

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("MarketAlerts", "request", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("MarketAlerts", "request");
+  }
+};

app/migrations/20190710141356-add-has-location-to-marketalerts.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("MarketAlerts", "hasLocation", {
+      type: Sequelize.BOOLEAN
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("MarketAlerts", "hasLocation");
+  }
+};

app/migrations/20190909110623-add-location-input-to-real-estate-request.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstateRequests", "locationInput", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstateRequests", "locationInput");
+  }
+};

app/migrations/20190910033923-change-bounding-box-from-snake-case-to-camel-case.js

@@ -0,0 +1,19 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn(
+      "RealEstateRequests",
+      "bounding_box",
+      "boundingBox"
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.renameColumn(
+      "RealEstateRequests",
+      "boundingBox",
+      "bounding_box"
+    );
+  }
+};

app/migrations/20190912191829-add-realEstates-table.js

@@ -0,0 +1,72 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    const tableFields = {
+      id: {
+        type: Sequelize.BIGINT,
+        autoIncrement: true,
+        allowNull: false,
+        primaryKey: true
+      },
+      url: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      agencyObjectId: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      originAgencyName: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      realEstateType: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      adType: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      price: Sequelize.REAL,
+      area: Sequelize.REAL,
+      gardenSize: Sequelize.REAL,
+      streetNumber: Sequelize.INTEGER,
+      streetName: Sequelize.TEXT,
+      locality: Sequelize.TEXT,
+      municipality: Sequelize.TEXT,
+      city: Sequelize.TEXT,
+      region: Sequelize.TEXT,
+      entity: Sequelize.TEXT,
+      country: Sequelize.TEXT,
+      locationLat: Sequelize.REAL,
+      locationLong: Sequelize.REAL,
+      lastTimeCrawled: {
+        type: Sequelize.DATE,
+        allowNull: false
+      },
+      deleted: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false
+      },
+      sold: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false
+      },
+      createdAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      },
+      updatedAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      }
+    };
+    return queryInterface.createTable("RealEstates", tableFields);
+  },
+
+  down: queryInterface => {
+    return queryInterface.dropTable("RealEstates", {});
+  }
+};

app/migrations/20190912215313-add-searchRequests-table.js

@@ -0,0 +1,79 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    const tableFields = {
+      id: {
+        type: Sequelize.UUID,
+        defaultValue: Sequelize.UUIDV4,
+        allowNull: false,
+        primaryKey: true
+      },
+      areaToSearch: {
+        type: Sequelize.GEOMETRY("POLYGON", 4326),
+        allowNull: false,
+        defaultValue: {
+          type: "Polygon",
+          coordinates: [[[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]]],
+          crs: { type: "name", properties: { name: "EPSG:4326" } }
+        }
+      },
+      realEstateType: {
+        type: Sequelize.TEXT,
+        allowNull: false
+      },
+      adType: {
+        type: Sequelize.TEXT,
+        allowNull: false,
+        defaultValue: "sell"
+      },
+      email: Sequelize.TEXT,
+      locality: Sequelize.TEXT,
+      municipality: Sequelize.TEXT,
+      city: Sequelize.TEXT,
+      region: Sequelize.TEXT,
+      entity: Sequelize.TEXT,
+      country: Sequelize.TEXT,
+      sizeMin: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+      },
+      sizeMax: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+      },
+      priceMin: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+      },
+      priceMax: {
+        type: Sequelize.INTEGER,
+        allowNull: false,
+        defaultValue: 0
+      },
+      gardenSizeMin: Sequelize.INTEGER,
+      gardenSizeMax: Sequelize.INTEGER,
+      subscribed: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+      },
+      createdAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      },
+      updatedAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      }
+    };
+    return queryInterface.createTable("SearchRequests", tableFields);
+  },
+
+  down: queryInterface => {
+    return queryInterface.dropTable("SearchRequests", {});
+  }
+};

app/migrations/20190912215556-add-searchRequestMatches-table.js

@@ -0,0 +1,53 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    const tableFields = {
+      id: {
+        type: Sequelize.BIGINT,
+        autoIncrement: true,
+        allowNull: false
+      },
+      searchRequestId: {
+        type: Sequelize.UUID,
+        allowNull: false,
+        primaryKey: true,
+        references: {
+          model: "SearchRequests",
+          key: "id"
+        },
+        onUpdate: "CASCADE",
+        onDelete: "SET NULL"
+      },
+      realEstateId: {
+        type: Sequelize.BIGINT,
+        allowNull: false,
+        primaryKey: true,
+        references: {
+          model: "RealEstates",
+          key: "id"
+        },
+        onUpdate: "CASCADE",
+        onDelete: "SET NULL"
+      },
+      notified: {
+        type: Sequelize.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+      },
+      createdAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      },
+      updatedAt: {
+        type: Sequelize.DATE,
+        defaultValue: Sequelize.literal("NOW()")
+      }
+    };
+    return queryInterface.createTable("SearchRequestMatches", tableFields);
+  },
+
+  down: queryInterface => {
+    return queryInterface.dropTable("SearchRequestMatches", {});
+  }
+};

app/migrations/20190916160603-add-title-column-to-realEstates.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstates", "title", {
+      type: Sequelize.STRING
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstates", "title");
+  }
+};

app/migrations/20190916230229-add-description-columns-to-realEstates.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("RealEstates", "shortDescription", {
+        type: Sequelize.STRING
+      }),
+      queryInterface.addColumn("RealEstates", "longDescription", {
+        type: Sequelize.STRING
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("RealEstates", "shortDescription"),
+      queryInterface.removeColumn("RealEstates", "longDescription")
+    ]);
+  }
+};

app/migrations/20190916231241-add-status-column-to-realEstates.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstates", "adStatus", {
+      type: Sequelize.INTEGER
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstates", "adStatus");
+  }
+};

app/migrations/20190917090318-add-composite-key-to-realEstates.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addConstraint(
+      "RealEstates",
+      ["originAgencyName", "agencyObjectId"],
+      {
+        type: "unique",
+        name: "agencyNameObjectIdUniqueKey"
+      }
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeConstraint(
+      "RealEstates",
+      "agencyNameObjectIdUniqueKey"
+    );
+  }
+};

app/migrations/20190917101052-remove-lastTimeCrawled-column-from-realEstates.js

@@ -0,0 +1,14 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("RealEstates", "lastTimeCrawled");
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("RealEstates", "lastTimeCrawled", {
+      type: Sequelize.DATE,
+      notNull: true
+    });
+  }
+};

app/migrations/20190917102437-remove-deleted-sold-columns-from-realEstates.js

@@ -0,0 +1,23 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("RealEstates", "deleted"),
+      queryInterface.removeColumn("RealEstates", "sold")
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("RealEstates", "deleted", {
+        type: Sequelize.BOOLEAN,
+        notNull: true
+      }),
+      queryInterface.addColumn("RealEstates", "sold", {
+        type: Sequelize.BOOLEAN,
+        notNull: true
+      })
+    ]);
+  }
+};

app/migrations/20190917115804-change-title-short-long-description-columns-in-realEstates.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.changeColumn("RealEstates", "shortDescription", {
+        type: Sequelize.TEXT
+      }),
+      queryInterface.changeColumn("RealEstates", "longDescription", {
+        type: Sequelize.TEXT
+      }),
+      queryInterface.changeColumn("RealEstates", "title", {
+        type: Sequelize.TEXT
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([]);
+  }
+};

app/migrations/20190923185802-add-published-renewed-dates-to-realEstates.js

@@ -0,0 +1,21 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("RealEstates", "publishedDate", {
+        type: Sequelize.DATE
+      }),
+      queryInterface.addColumn("RealEstates", "renewedDate", {
+        type: Sequelize.DATE
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("RealEstates", "renewedDate"),
+      queryInterface.removeColumn("RealEstates", "publishedDate")
+    ]);
+  }
+};

app/migrations/20190927121449-change-adType-in-searchRequests-table-to-SALE.js

@@ -0,0 +1,15 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.query(
+      `UPDATE "SearchRequests" SET "adType" = 'SALE' WHERE "adType" = 'sell';`
+    );
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.sequelize.query(
+      `UPDATE "SearchRequests" SET "adType" = 'sell' WHERE "adType" = 'SALE';`
+    );
+  }
+};

app/migrations/20190927180101-change-change-realEstateType-in-searchRequests-table.js

@@ -0,0 +1,31 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'HOUSE' WHERE "realEstateType" = 'kuca';`
+      ),
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'FLAT' WHERE "realEstateType" = 'stan';`
+      ),
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'COTTAGE' WHERE "realEstateType" = 'vikendica';`
+      )
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'kuca' WHERE "realEstateType" = 'HOUSE';`
+      ),
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'stan' WHERE "realEstateType" = 'FLAT';`
+      ),
+      queryInterface.sequelize.query(
+        `UPDATE "SearchRequests" SET "realEstateType" = 'vikendica' WHERE "realEstateType" = 'COTTAGE';`
+      )
+    ]);
+  }
+};

app/migrations/20191101113541-add-emailFrequency-column-to-searchRequest-table.js

@@ -0,0 +1,15 @@
+"use strict";
+const { EMAIL_FREQUENCY } = require("../common/enums");
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("SearchRequests", "emailFrequency", {
+      type: Sequelize.TEXT,
+      defaultValue: EMAIL_FREQUENCY.ASAP.stringId
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("SearchRequests", "emailFrequency");
+  }
+};

app/migrations/20191105111202-add-deletedEmail-column-to-searchRequest-table.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("SearchRequests", "deletedEmail", {
+      type: Sequelize.TEXT
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("SearchRequests", "deletedEmail");
+  }
+};

app/migrations/20191105174319-add-additional-fields-to-realEstates-table.js

@@ -0,0 +1,163 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("RealEstates", "numberOfRooms", {
+        type: Sequelize.REAL
+      }),
+      queryInterface.addColumn("RealEstates", "numberOfFloors", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("RealEstates", "floor", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("RealEstates", "accessRoadType", {
+        type: Sequelize.TEXT
+      }),
+      queryInterface.addColumn("RealEstates", "heatingType", {
+        type: Sequelize.TEXT
+      }),
+      queryInterface.addColumn("RealEstates", "furnishingType", {
+        type: Sequelize.TEXT
+      }),
+      queryInterface.addColumn("RealEstates", "balcony", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "newBuilding", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "elevator", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "water", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "electricity", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "drainageSystem", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "registeredInZkBooks", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "recentlyAdapted", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "parking", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "garage", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "gas", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "antiTheftDoor", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "airCondition", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "phoneConnection", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "cableTV", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "internet", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "basementAttic", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "storeRoom", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "videoSurveillance", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "alarm", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "suitableForStudents", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "includingBills", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "animalsAllowed", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "pool", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "exchange", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "urbanPlanPermit", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "buildingPermit", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "utilityConnection", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("RealEstates", "distanceToRiver", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("RealEstates", "numberOfViewsAgency", {
+        type: Sequelize.INTEGER,
+        defaultValue: 0
+      }),
+      queryInterface.addColumn("RealEstates", "numberOfViewsKivi", {
+        type: Sequelize.INTEGER,
+        defaultValue: 0
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("RealEstates", "numberOfRooms"),
+      queryInterface.removeColumn("RealEstates", "numberOfFloors"),
+      queryInterface.removeColumn("RealEstates", "floor"),
+      queryInterface.removeColumn("RealEstates", "accessRoadType"),
+      queryInterface.removeColumn("RealEstates", "heatingType"),
+      queryInterface.removeColumn("RealEstates", "furnishingType"),
+      queryInterface.removeColumn("RealEstates", "balcony"),
+      queryInterface.removeColumn("RealEstates", "newBuilding"),
+      queryInterface.removeColumn("RealEstates", "elevator"),
+      queryInterface.removeColumn("RealEstates", "water"),
+      queryInterface.removeColumn("RealEstates", "electricity"),
+      queryInterface.removeColumn("RealEstates", "drainageSystem"),
+      queryInterface.removeColumn("RealEstates", "registeredInZkBooks"),
+      queryInterface.removeColumn("RealEstates", "recentlyAdapted"),
+      queryInterface.removeColumn("RealEstates", "parking"),
+      queryInterface.removeColumn("RealEstates", "garage"),
+      queryInterface.removeColumn("RealEstates", "gas"),
+      queryInterface.removeColumn("RealEstates", "antiTheftDoor"),
+      queryInterface.removeColumn("RealEstates", "airCondition"),
+      queryInterface.removeColumn("RealEstates", "phoneConnection"),
+      queryInterface.removeColumn("RealEstates", "cableTV"),
+      queryInterface.removeColumn("RealEstates", "internet"),
+      queryInterface.removeColumn("RealEstates", "basementAttic"),
+      queryInterface.removeColumn("RealEstates", "storeRoom"),
+      queryInterface.removeColumn("RealEstates", "videoSurveillance"),
+      queryInterface.removeColumn("RealEstates", "alarm"),
+      queryInterface.removeColumn("RealEstates", "suitableForStudents"),
+      queryInterface.removeColumn("RealEstates", "includingBills"),
+      queryInterface.removeColumn("RealEstates", "animalsAllowed"),
+      queryInterface.removeColumn("RealEstates", "pool"),
+      queryInterface.removeColumn("RealEstates", "exchange"),
+      queryInterface.removeColumn("RealEstates", "urbanPlanPermit"),
+      queryInterface.removeColumn("RealEstates", "buildingPermit"),
+      queryInterface.removeColumn("RealEstates", "utilityConnection"),
+      queryInterface.removeColumn("RealEstates", "distanceToRiver"),
+      queryInterface.removeColumn("RealEstates", "numberOfViewsAgency"),
+      queryInterface.removeColumn("RealEstates", "numberOfViewsKivi")
+    ]);
+  }
+};

app/migrations/20191118105541-add-additional-fields-to-searchRequests-table.js

@@ -0,0 +1,64 @@
+"use strict";
+const { ACCESS_ROAD_TYPE, HEATING_TYPE } = require("../common/enums");
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.addColumn("SearchRequests", "includeIncompleteAds", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("SearchRequests", "balcony", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("SearchRequests", "newBuilding", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("SearchRequests", "elevator", {
+        type: Sequelize.BOOLEAN
+      }),
+      queryInterface.addColumn("SearchRequests", "numberOfRoomsMin", {
+        type: Sequelize.REAL
+      }),
+      queryInterface.addColumn("SearchRequests", "numberOfRoomsMax", {
+        type: Sequelize.REAL
+      }),
+      queryInterface.addColumn("SearchRequests", "numberOfFloorsMin", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("SearchRequests", "numberOfFloorsMax", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("SearchRequests", "floorMin", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("SearchRequests", "floorMax", {
+        type: Sequelize.INTEGER
+      }),
+      queryInterface.addColumn("SearchRequests", "accessRoadType", {
+        type: Sequelize.TEXT,
+        defaultValue: ACCESS_ROAD_TYPE.ANY.id
+      }),
+      queryInterface.addColumn("SearchRequests", "heatingType", {
+        type: Sequelize.TEXT,
+        defaultValue: HEATING_TYPE.ANY.id
+      })
+    ]);
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return Promise.all([
+      queryInterface.removeColumn("SearchRequests", "includeIncompleteAds"),
+      queryInterface.removeColumn("SearchRequests", "balcony"),
+      queryInterface.removeColumn("SearchRequests", "newBuilding"),
+      queryInterface.removeColumn("SearchRequests", "elevator"),
+      queryInterface.removeColumn("SearchRequests", "numberOfRoomsMin"),
+      queryInterface.removeColumn("SearchRequests", "numberOfRoomsMax"),
+      queryInterface.removeColumn("SearchRequests", "numberOfFloorsMin"),
+      queryInterface.removeColumn("SearchRequests", "numberOfFloorsMax"),
+      queryInterface.removeColumn("SearchRequests", "floorMin"),
+      queryInterface.removeColumn("SearchRequests", "floorMax"),
+      queryInterface.removeColumn("SearchRequests", "accessRoadType"),
+      queryInterface.removeColumn("SearchRequests", "heatingType")
+    ]);
+  }
+};

app/models/index.js

@@ -0,0 +1,49 @@
+"use strict";
+
+const fs = require("fs");
+const path = require("path");
+const Sequelize = require("sequelize");
+const basename = path.basename(__filename);
+const env = process.env.NODE_ENV || "development";
+const config = require(__dirname + "/../config/config.json")[env];
+const db = {};
+
+config.username = process.env.DB_USERNAME || config.username;
+config.password = process.env.DB_PASSWORD || config.password;
+config.database = process.env.DB_NAME || config.database;
+config.port = process.env.DB_PORT || config.port;
+config.logging = parseInt(process.env.SEQUELIZE_LOGGING) ? console.log : false;
+
+let sequelize;
+if (config.use_env_variable) {
+  sequelize = new Sequelize(process.env[config.use_env_variable], config);
+} else {
+  sequelize = new Sequelize(
+    config.database,
+    config.username,
+    config.password,
+    config
+  );
+}
+
+fs.readdirSync(__dirname)
+  .filter(file => {
+    return (
+      file.indexOf(".") !== 0 && file !== basename && file.slice(-3) === ".js"
+    );
+  })
+  .forEach(file => {
+    const model = sequelize["import"](path.join(__dirname, file));
+    db[model.name] = model;
+  });
+
+Object.keys(db).forEach(modelName => {
+  if (db[modelName].associate) {
+    db[modelName].associate(db);
+  }
+});
+
+db.sequelize = sequelize;
+db.Sequelize = Sequelize;
+
+module.exports = db;

app/models/realEstate.js

@@ -0,0 +1,92 @@
+"use strict";
+
+module.exports = (sequelize, DataTypes) => {
+  const RealEstate = sequelize.define("RealEstate", {
+    id: {
+      type: DataTypes.BIGINT,
+      autoIncrement: true,
+      allowNull: false,
+      primaryKey: true
+    },
+    url: {
+      type: DataTypes.TEXT,
+      allowNull: false
+    },
+    originAgencyName: {
+      type: DataTypes.TEXT,
+      allowNull: false,
+      unique: true
+    },
+    agencyObjectId: {
+      type: DataTypes.TEXT,
+      allowNull: false,
+      unique: true
+    },
+    realEstateType: {
+      type: DataTypes.TEXT,
+      allowNull: false
+    },
+    adType: {
+      type: DataTypes.TEXT,
+      allowNull: false
+    },
+    price: DataTypes.REAL,
+    area: DataTypes.REAL,
+    gardenSize: DataTypes.REAL,
+    streetNumber: DataTypes.INTEGER,
+    streetName: DataTypes.TEXT,
+    locality: DataTypes.TEXT,
+    municipality: DataTypes.TEXT,
+    city: DataTypes.TEXT,
+    region: DataTypes.TEXT,
+    entity: DataTypes.TEXT,
+    country: DataTypes.TEXT,
+    locationLat: DataTypes.REAL,
+    locationLong: DataTypes.REAL,
+    title: DataTypes.TEXT,
+    shortDescription: DataTypes.TEXT,
+    longDescription: DataTypes.TEXT,
+    adStatus: DataTypes.INTEGER,
+    publishedDate: DataTypes.DATE,
+    renewedDate: DataTypes.DATE,
+    numberOfRooms: DataTypes.INTEGER,
+    numberOfFloors: DataTypes.INTEGER,
+    floor: DataTypes.INTEGER,
+    accessRoadType: DataTypes.TEXT,
+    heatingType: DataTypes.TEXT,
+    furnishingType: DataTypes.TEXT,
+    balcony: DataTypes.BOOLEAN,
+    newBuilding: DataTypes.BOOLEAN,
+    elevator: DataTypes.BOOLEAN,
+    water: DataTypes.BOOLEAN,
+    electricity: DataTypes.BOOLEAN,
+    drainageSystem: DataTypes.BOOLEAN,
+    registeredInZkBooks: DataTypes.BOOLEAN,
+    recentlyAdapted: DataTypes.BOOLEAN,
+    parking: DataTypes.BOOLEAN,
+    garage: DataTypes.BOOLEAN,
+    gas: DataTypes.BOOLEAN,
+    antiTheftDoor: DataTypes.BOOLEAN,
+    airCondition: DataTypes.BOOLEAN,
+    phoneConnection: DataTypes.BOOLEAN,
+    cableTV: DataTypes.BOOLEAN,
+    internet: DataTypes.BOOLEAN,
+    basementAttic: DataTypes.BOOLEAN,
+    storeRoom: DataTypes.BOOLEAN,
+    videoSurveillance: DataTypes.BOOLEAN,
+    alarm: DataTypes.BOOLEAN,
+    suitableForStudents: DataTypes.BOOLEAN,
+    includingBills: DataTypes.BOOLEAN,
+    animalsAllowed: DataTypes.BOOLEAN,
+    pool: DataTypes.BOOLEAN,
+    exchange: DataTypes.BOOLEAN,
+    urbanPlanPermit: DataTypes.BOOLEAN,
+    buildingPermit: DataTypes.BOOLEAN,
+    utilityConnection: DataTypes.BOOLEAN,
+    distanceToRiver: DataTypes.INTEGER,
+    numberOfViewsAgency: DataTypes.INTEGER,
+    numberOfViewsKivi: DataTypes.INTEGER
+  });
+
+  return RealEstate;
+};

app/models/searchRequest.js

@@ -0,0 +1,88 @@
+"use strict";
+
+const { AD_TYPE, EMAIL_FREQUENCY } = require("../common/enums");
+
+module.exports = (sequelize, DataTypes) => {
+  const SearchRequest = sequelize.define("SearchRequest", {
+    id: {
+      type: DataTypes.UUID,
+      defaultValue: DataTypes.UUIDV4,
+      allowNull: false,
+      primaryKey: true
+    },
+    areaToSearch: {
+      type: DataTypes.GEOMETRY("POLYGON", 4326),
+      allowNull: false,
+      defaultValue: {
+        type: "Polygon",
+        coordinates: [[[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]]],
+        crs: { type: "name", properties: { name: "EPSG:4326" } }
+      }
+    },
+    realEstateType: {
+      type: DataTypes.TEXT,
+      allowNull: false
+    },
+    adType: {
+      type: DataTypes.TEXT,
+      allowNull: false,
+      defaultValue: AD_TYPE.AD_TYPE_SALE.stringId
+    },
+    email: DataTypes.TEXT,
+    locality: DataTypes.TEXT,
+    municipality: DataTypes.TEXT,
+    city: DataTypes.TEXT,
+    region: DataTypes.TEXT,
+    entity: DataTypes.TEXT,
+    country: DataTypes.TEXT,
+    sizeMin: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      defaultValue: 0
+    },
+    sizeMax: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      defaultValue: 0
+    },
+    priceMin: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      defaultValue: 0
+    },
+    priceMax: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+      defaultValue: 0
+    },
+    gardenSizeMin: DataTypes.INTEGER,
+    gardenSizeMax: DataTypes.INTEGER,
+    subscribed: {
+      type: DataTypes.BOOLEAN,
+      defaultValue: false,
+      allowNull: false
+    },
+    emailFrequency: {
+      type: DataTypes.TEXT,
+      defaultValue: EMAIL_FREQUENCY.ASAP.stringId,
+      allowNull: false
+    },
+    deletedEmail: {
+      type: DataTypes.TEXT
+    },
+    includeIncompleteAds: DataTypes.BOOLEAN,
+    balcony: DataTypes.BOOLEAN,
+    elevator: DataTypes.BOOLEAN,
+    newBuilding: DataTypes.BOOLEAN,
+    numberOfRoomsMin: DataTypes.REAL,
+    numberOfRoomsMax: DataTypes.REAL,
+    numberOfFloorsMin: DataTypes.INTEGER,
+    numberOfFloorsMax: DataTypes.INTEGER,
+    floorMin: DataTypes.INTEGER,
+    floorMax: DataTypes.INTEGER,
+    accessRoadType: DataTypes.TEXT,
+    heatingType: DataTypes.TEXT
+  });
+
+  return SearchRequest;
+};

app/models/searchRequestMatch.js

@@ -0,0 +1,60 @@
+"use strict";
+
+module.exports = (sequelize, DataTypes) => {
+  const SearchRequestMatch = sequelize.define(
+    "SearchRequestMatch",
+    {
+      id: {
+        type: DataTypes.BIGINT,
+        autoIncrement: true,
+        allowNull: false
+      },
+      realEstateId: {
+        type: DataTypes.BIGINT,
+        allowNull: false,
+        primaryKey: true,
+        references: {
+          model: "RealEstate",
+          key: "id"
+        },
+        onUpdate: "CASCADE",
+        onDelete: "SET NULL"
+      },
+      searchRequestId: {
+        type: DataTypes.UUID,
+        allowNull: false,
+        primaryKey: true,
+        references: {
+          model: "SearchRequest",
+          key: "id"
+        }
+      },
+      notified: {
+        type: DataTypes.BOOLEAN,
+        allowNull: false,
+        defaultValue: false
+      }
+    },
+    {
+      name: {
+        singular: "searchRequestMatch",
+        plural: "searchRequestMatches"
+      }
+    }
+  );
+
+  SearchRequestMatch.associate = models => {
+    SearchRequestMatch.hasMany(models.SearchRequest, {
+      foreignKey: "id",
+      sourceKey: "searchRequestId",
+      targetKey: "id",
+      as: "searchRequests"
+    });
+    SearchRequestMatch.hasMany(models.RealEstate, {
+      foreignKey: "id",
+      as: "realEstates"
+    });
+  };
+
+  return SearchRequestMatch;
+};

app/npmScripts/npmDailyNotify.js

@@ -0,0 +1,8 @@
+"use strict";
+const {
+  notifyRequestsWithDailyOption
+} = require("../services/notificationService");
+
+(async () => {
+  await notifyRequestsWithDailyOption();
+})();

app/oldModels/marketalert.js

@@ -0,0 +1,32 @@
+"use strict";
+module.exports = (sequelize, DataTypes) => {
+  const MarketAlert = sequelize.define(
+    "MarketAlert",
+    {
+      url: DataTypes.STRING,
+      realestateOrigin: DataTypes.STRING,
+      originId: DataTypes.STRING,
+      lastDate: DataTypes.STRING,
+      size: DataTypes.INTEGER,
+      gardenSize: DataTypes.INTEGER,
+      price: DataTypes.INTEGER,
+      municipality: DataTypes.STRING,
+      region: DataTypes.STRING,
+      realEstateType: DataTypes.STRING,
+      notified: DataTypes.BOOLEAN,
+      title: DataTypes.STRING,
+      request: DataTypes.STRING,
+      hasLocation: DataTypes.BOOLEAN,
+
+      email: {
+        type: DataTypes.STRING,
+        allowNul: false
+      }
+    },
+    {}
+  );
+  MarketAlert.associate = function(models) {
+    // associations can be defined here
+  };
+  return MarketAlert;
+};

app/oldModels/realestaterequest.js

@@ -0,0 +1,32 @@
+"use strict";
+
+module.exports = (sequelize, DataTypes) => {
+  const RealEstateRequest = sequelize.define(
+    "RealEstateRequest",
+    {
+      uniqueId: {
+        type: DataTypes.UUID,
+        defaultValue: DataTypes.UUIDV4,
+        allowNull: false
+      },
+      realEstateType: DataTypes.STRING,
+      email: DataTypes.STRING,
+      region: DataTypes.STRING,
+      municipality: DataTypes.STRING,
+      sizeMin: DataTypes.INTEGER,
+      sizeMax: DataTypes.INTEGER,
+      gardenSizeMin: DataTypes.INTEGER,
+      gardenSizeMax: DataTypes.INTEGER,
+      priceMin: DataTypes.INTEGER,
+      priceMax: DataTypes.INTEGER,
+      boundingBox: DataTypes.GEOMETRY("POINT", 4326),
+      subscribed: DataTypes.BOOLEAN,
+      locationInput: DataTypes.STRING
+    },
+    {}
+  );
+  RealEstateRequest.associate = function(models) {
+    // associations can be defined here
+  };
+  return RealEstateRequest;
+};

app/public/browserconfig.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<browserconfig>
+    <msapplication>
+        <tile>
+            <square150x150logo src="/mstile-150x150.png"/>
+            <TileColor>#da532c</TileColor>
+        </tile>
+    </msapplication>
+</browserconfig>

app/public/images/logo.svg

@@ -0,0 +1,122 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="61"
+   height="94"
+   viewBox="0 0 61 94"
+   version="1.1"
+   id="svg29"
+   sodipodi:docname="logo2.svg"
+   inkscape:version="0.92.3 (2405546, 2018-03-11)">
+  <metadata
+     id="metadata33">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     pagecolor="#ffffff"
+     bordercolor="#666666"
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+     inkscape:window-maximized="1"
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+  <!-- Generator: Sketch 51.3 (57544) - http://www.bohemiancoding.com/sketch -->
+  <desc
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app/public/main.css

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+@font-face {
+  font-family: "Alte Haas Grotesk";
+  src: url("./fonts/altehaasgroteskregular.ttf");
+}
+
+@font-face {
+  font-family: "Alte Haas Grotesk";
+  src: url("./fonts/altehaasgroteskbold.ttf");
+  font-weight: bold;
+}
+
+.welcome-center-button {
+  width: 100%;
+}
+
+.next-center-button {
+  width: 50%;
+  left: 25%;
+}
+
+.no-ui-slider {
+  width: 95%;
+}
+
+.noUi-connect {
+  background: #02adba;
+}
+
+.centered-element {
+  margin-top: 200px;
+}
+
+.centered-element-small {
+  margin-top: 100px;
+}
+
+.btn,
+.btn-floating {
+  background: #02adba;
+  font-weight: bold;
+}
+
+.kivi-color {
+  color: #02adba;
+}
+
+.kivi-spinner-color {
+  border-color: #02adba;
+}
+
+#map {
+  height: 50%;
+}
+
+html,
+body {
+  height: 100%;
+  margin: 0;
+  padding: 0;
+  font-family: "Alte Haas Grotesk", serif;
+  box-sizing: border-box;
+}
+
+.btn:hover {
+  background-color: white;
+  color: #02adba;
+  border: 1px solid rgb(0, 173, 187);
+}
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+  background-color: #02adba;
+  border: 1px solid rgb(0, 173, 187);
+}
+
+h6.title {
+  margin-top: 0;
+  font-weight: bold;
+  padding-top: 20px;
+  font-size: 1.3rem;
+}
+
+.locate-me-container {
+  margin-right: 10px;
+}
+
+.full-width {
+  width: 100%;
+}
+
+strong {
+  font-weight: bold;
+}
+
+h3 {
+  font-size: 15px;
+  line-height: 1.5;
+}
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+  box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.4) !important;
+  border: 1px solid #02adba !important;
+  border-radius: 4px !important;
+  text-align: center;
+}
+
+.collection a.collection-item {
+  color: #02adba;
+}
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+.collection a.collection-item:not(.active):hover {
+  background-color: rgba(2, 173, 186, 0.2);
+}
+
+.tabs .tab a {
+  color: #02adba;
+  -webkit-transition: color 0.28s ease, background-color 0.28s ease;
+  transition: color 0.28s ease, background-color 0.28s ease;
+}
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+.tabs .tab a:focus.active {
+  background-color: rgba(2, 173, 186, 0.2);
+}
+.tabs .tab a:hover,
+.tabs .tab a.active {
+  color: #02adba;
+}
+.tabs .indicator {
+  background-color: #02adba;
+}
+
+[type="checkbox"].filled-in:checked + span:not(.lever):after {
+  border: 2px solid #02adba;
+  background-color: #02adba;
+}
+[type="checkbox"].filled-in:not(:checked) + span:not(.lever):after {
+  background-color: transparent;
+  border: 2px solid #02adba;
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+.distinguished {
+  border: 2px solid #02adba;
+  border-radius: 4px;
+  padding: 5px 5px 3px 5px;
+  margin-left: -5px;
+}
+
+.checkbox-label {
+  color: black;
+  font-size: 14px;
+}
+
+.column-label {
+  position: relative;
+  margin-top: 2rem;
+  margin-bottom: 1rem;
+}

app/public/safari-pinned-tab.svg

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+</g>
+</svg>

app/public/segment.css

@@ -0,0 +1,44 @@
+.segmented {
+  color: #02adba;
+  border: 1px solid #02adba;
+  border-radius: 4px;
+  display: inline-block;
+}
+.segmented label {
+  color: #02adba;
+}
+.segmented input:checked + .label {
+  background-color: #02adba;
+  color: white;
+}
+[type="radio"]:not(:checked) + span,
+[type="radio"]:checked + span {
+  padding-left: 30px;
+  padding-right: 30px;
+  height: 35px;
+  text-align: center;
+  display: inline-block;
+  line-height: 35px;
+  margin: 0px;
+  float: left;
+  cursor: pointer;
+  border-right: 1px solid #02adba;
+}
+
+.segmented.small [type="radio"]:not(:checked) + span,
+.segmented.small [type="radio"]:checked + span {
+  padding-left: 7px;
+  padding-right: 7px;
+}
+
+.segmented :last-child .label {
+  border-right: none;
+}
+.segmented input {
+  display: none;
+}
+
+span.label:before,
+span.label:after {
+  display: none;
+}