next release version

* Add error handling and logging to Telegram message sending

* Add debug logging for new listings

.github/workflows/check_source.yml

@@ -13,7 +13,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
           cache: 'yarn'
 
       - name: Install dependencies

.github/workflows/docker.yml

@@ -57,3 +57,41 @@ jobs:
           labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=gha
           cache-to: type=gha,mode=max
+
+      # Test container health with docker compose
+      - name: Test container with docker compose
+        run: |
+          echo "Starting container with docker compose..."
+          docker compose up --build -d
+          echo "Waiting for container to be ready (60 seconds for start_period)..."
+          sleep 60
+
+          echo "Monitoring container health for 30 seconds..."
+          SECONDS_ELAPSED=0
+          HEALTH_CHECK_INTERVAL=5
+          TOTAL_DURATION=30
+          
+          while [ $SECONDS_ELAPSED -lt $TOTAL_DURATION ]; do
+            HEALTH_STATUS=$(docker inspect --format='{{.State.Health.Status}}' fredy 2>/dev/null || echo "not_found")
+            CONTAINER_STATUS=$(docker inspect --format='{{.State.Status}}' fredy 2>/dev/null || echo "not_found")
+            echo "[$SECONDS_ELAPSED/$TOTAL_DURATION sec] Container: $CONTAINER_STATUS, Health: $HEALTH_STATUS"
+            
+            # Check if container is not running or unhealthy
+            if [ "$CONTAINER_STATUS" != "running" ]; then
+              echo "Container stopped running! Status: $CONTAINER_STATUS"
+              docker compose logs fredy
+              exit 1
+            fi
+            
+            if [ "$HEALTH_STATUS" = "unhealthy" ]; then
+              echo "Container is unhealthy!"
+              docker compose logs fredy
+              docker inspect --format='{{json .State.Health}}' fredy | jq
+              exit 1
+            fi
+            
+            sleep $HEALTH_CHECK_INTERVAL
+            SECONDS_ELAPSED=$((SECONDS_ELAPSED + HEALTH_CHECK_INTERVAL))
+          done
+
+          docker compose down

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 22
           cache: 'yarn'
 
       - run: yarn install

.gitignore

@@ -1,6 +1,8 @@
 node_modules/
 ui/public/
-db/
+db/*.json
+db/*.db*
 npm-debug.log
 .DS_Store
 .idea
+.vscode

Dockerfile

@@ -2,9 +2,10 @@ FROM node:22-slim
 
 WORKDIR /fredy
 
-# Install Chromium without extra recommended packages and clean apt cache
+# Install Chromium and curl without extra recommended packages and clean apt cache
+# curl is needed for the health check
 RUN apt-get update \
-  && apt-get install -y --no-install-recommends chromium \
+  && apt-get install -y --no-install-recommends chromium curl \
   && rm -rf /var/lib/apt/lists/*
 
 ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
@@ -30,6 +31,8 @@ RUN mkdir -p /db /conf \
   && ln -s /conf /fredy/conf
 
 EXPOSE 9998
+VOLUME /db
+VOLUME /conf
 
 # Start application using PM2 runtime
 CMD ["pm2-runtime", "index.js"]

README.md

@@ -9,10 +9,18 @@
 </a>
 </p>
 
-![Tests](https://github.com/orangecoding/fredy/actions/workflows/test.yml/badge.svg)
-[![Docker](https://github.com/orangecoding/fredy/actions/workflows/docker.yml/badge.svg)](https://github.com/orangecoding/fredy/actions/workflows/docker.yml)
-![Source](https://github.com/orangecoding/fredy/actions/workflows/check_source.yml/badge.svg)
-![Docker Pulls](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fghcr-badge.elias.eu.org%2Fapi%2Forangecoding%2Ffredy%2Ffredy&query=%24.downloadCount&label=Docker%20Pulls)
+<p align="center">
+  <a href="https://fredy.orange-coding.net/" target="_blank">Website</a>&nbsp;&nbsp;|&nbsp;&nbsp;
+  <a href="https://demo-fredy.orange-coding.net/" target="_blank">Demo</a>
+</p>
+
+<p align="center">
+  <img src="https://github.com/orangecoding/fredy/actions/workflows/test.yml/badge.svg" alt="Tests" />
+  <img src="https://github.com/orangecoding/fredy/actions/workflows/docker.yml/badge.svg" alt="Docker" />
+  <img src="https://github.com/orangecoding/fredy/actions/workflows/check_source.yml/badge.svg" alt="Source" />
+  <img src="https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fghcr-badge.elias.eu.org%2Fapi%2Forangecoding%2Ffredy%2Ffredy&query=%24.downloadCount&label=Docker%20Pulls" alt="Docker Pulls" />
+</p>
+
 
 
 # Fredy 🏡 – Your Self-Hosted Real Estate Finder for Germany
@@ -21,15 +29,13 @@ Finding an apartment or house in Germany can be stressful and
 time-consuming.\
 **Fredy** makes it easier: it automatically scrapes **ImmoScout24,
 Immowelt, Immonet, eBay Kleinanzeigen, and WG-Gesucht** and notifies you
-instantly via **Slack, Telegram, Email, ntfy, and more** when new
+instantly via **Slack, Telegram, Email, ntfy, discord and more** when new
 listings appear.
 
 With a modern architecture, Fredy provides a **clean Web UI**, removes
 duplicates across platforms, and stores results so you never see the
 same listing twice.
 
-
-
 ------------------------------------------------------------------------
 
 ## ✨ Key Features
@@ -37,7 +43,7 @@ same listing twice.
 -   🏠 Scrapes **ImmoScout24, Immowelt, Immonet, eBay Kleinanzeigen,
     WG-Gesucht**
 -   ⚡ Instant notifications: Slack, Telegram, Email (SendGrid,
-    Mailjet), ntfy
+    Mailjet), ntfy, discord 
 -   🔎 Uses the **ImmoScout Mobile API** (reverse engineered)
 -   🌍 Runs anywhere: Docker, Node.js, self-hosted
 -   🖥️ Intuitive **Web UI** to manage searches
@@ -90,7 +96,7 @@ docker logs fredy -f
 
 ### Manual (Node.js)
 
--   Requirement: **Node.js 20 or higher**
+-   Requirement: **Node.js 22 or higher**
 -   Install dependencies and start:
 
 ``` bash
@@ -109,9 +115,9 @@ yarn run start:frontend  # in another terminal
 
 ## 📸 Screenshots
 
-| Job Configuration | Job Analytics | Job Overview |
-|-------------------|--------------|--------------|
-| ![Screenshot showing job configuration in Fredy](doc/screenshot1.png) | ![Screenshot showing job analytics in Fredy](doc/screenshot_2.png) | ![Screenshot showing job overview in Fredy](doc/screenshot_3.png) |
+| Fredy Main Overview                              | Job Configuration                                                     | Found Listings                                                              |
+|--------------------------------------------------|-----------------------------------------------------------------------|-----------------------------------------------------------------------------|
+| ![Screenshot showing Fredy](doc/screenshot1.png) | ![Screenshot showing job configuration in Fredy](doc/screenshot3.png) | ![Screenshot showing found listings in Fredy](doc/screenshot2.png) |
 
 ------------------------------------------------------------------------
 
@@ -131,7 +137,7 @@ picks up the newest listings first.
 ### Adapter 📡
 
 An **adapter** is the channel through which Fredy notifies you (Slack,
-Telegram, Email, ntfy, ...).\
+Telegram, Email, ntfy, discord ...).\
 Each adapter has its own configuration (e.g. API keys, webhook URLs).\
 You can use multiple adapters at once --- Fredy will send new listings
 through all of them.

conf/config.json

@@ -1 +1 @@
-{"interval":"60","port":9998,"workingHours":{"from":"","to":""},"demoMode":false,"analyticsEnabled":null}
+{"interval":"60","port":9998,"workingHours":{"from":"","to":""},"demoMode":false,"analyticsEnabled":true,"sqlitepath":"/db"}

docker-compose.yml

@@ -5,11 +5,18 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    image: fredy/fredy
+    image: ghcr.io/orangecoding/fredy
     # map existing config and database
     volumes:
       - ./conf:/conf
       - ./db:/db
     ports:
-      - 9998:9998
+      - "9998:9998"
     restart: unless-stopped
+    healthcheck:
+      # The container will immediately stop when health check fails after retries
+      test: ["CMD-SHELL", "curl --fail --silent --show-error --max-time 5 http://localhost:9998/ || exit 1"]
+      interval: 120s
+      timeout: 10s
+      retries: 1
+      start_period: 10s

docker-test.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+set -e
+
+# Stop and remove old container if it exists
+if [ "$(docker ps -aq -f name=fredy)" ]; then
+  docker stop fredy || true
+  docker rm fredy || true
+fi
+
+# Build image from local Dockerfile
+docker build -t fredy:local .
+
+# Run container with volumes and port mapping
+docker run -d --name fredy \
+  -v fredy_conf:/conf \
+  -v fredy_db:/db \
+  -p 9998:9998 \
+  fredy:local

index.js

@@ -1,59 +1,95 @@
 import fs from 'fs';
-import { config } from './lib/utils.js';
+import path from 'path';
+import { checkIfConfigIsAccessible, config, getProviders, refreshConfig } from './lib/utils.js';
 import * as similarityCache from './lib/services/similarity-check/similarityCache.js';
-import { setLastJobExecution } from './lib/services/storage/listingsStorage.js';
 import * as jobStorage from './lib/services/storage/jobStorage.js';
 import FredyRuntime from './lib/FredyRuntime.js';
 import { duringWorkingHoursOrNotSet } from './lib/utils.js';
-import './lib/api/api.js';
-import { handleDemoUser } from './lib/services/storage/userStorage.js';
-import { cleanupDemoAtMidnight } from './lib/services/demoCleanup.js';
-import { initTrackerCron } from './lib/services/tracking/Tracker-Cron.js';
+import { runMigrations } from './lib/services/storage/migrations/migrate.js';
+import { ensureDemoUserExists, ensureAdminUserExists } from './lib/services/storage/userStorage.js';
+import { cleanupDemoAtMidnight } from './lib/services/crons/demoCleanup-cron.js';
+import { initTrackerCron } from './lib/services/crons/tracker-cron.js';
 import logger from './lib/services/logger.js';
-//if db folder does not exist, ensure to create it before loading anything else
-if (!fs.existsSync('./db')) {
-  fs.mkdirSync('./db');
+import { bus } from './lib/services/events/event-bus.js';
+import { initActiveCheckerCron } from './lib/services/crons/listing-alive-cron.js';
+
+// Load configuration before any other startup steps
+await refreshConfig();
+
+const isConfigAccessible = await checkIfConfigIsAccessible();
+
+if (!isConfigAccessible) {
+  logger.error('Configuration exists, but is not accessible. Please check the file permission');
+  process.exit(1);
 }
-const path = './lib/provider';
-const provider = fs.readdirSync(path).filter((file) => file.endsWith('.js'));
+
+// Ensure sqlite directory exists before loading anything else (based on config.sqlitepath)
+const rawDir = config.sqlitepath || '/db';
+const relDir = rawDir.startsWith('/') ? rawDir.slice(1) : rawDir;
+const absDir = path.isAbsolute(relDir) ? relDir : path.join(process.cwd(), relDir);
+if (!fs.existsSync(absDir)) {
+  fs.mkdirSync(absDir, { recursive: true });
+}
+
+// Run DB migrations once at startup and block until finished
+await runMigrations();
+
+// Load provider modules once at startup
+const providers = await getProviders();
+
 //assuming interval is always in minutes
 const INTERVAL = config.interval * 60 * 1000;
-logger.info(`Started Fredy successfully. Ui can be accessed via http://localhost:${config.port}`);
+
+// Initialize API only after migrations completed
+await import('./lib/api/api.js');
+
 if (config.demoMode) {
   logger.info('Running in demo mode');
   cleanupDemoAtMidnight();
 }
-const fetchedProvider = await Promise.all(
-  provider.filter((provider) => provider.endsWith('.js')).map(async (pro) => import(`${path}/${pro}`)),
-);
 
-handleDemoUser();
+logger.info(`Started Fredy successfully. Ui can be accessed via http://localhost:${config.port}`);
+
+ensureAdminUserExists();
+ensureDemoUserExists();
 await initTrackerCron();
+//do not wait for this to finish, let it run in the background
+initActiveCheckerCron();
 
-setInterval(
-  (function exec() {
-    const isDuringWorkingHoursOrNotSet = duringWorkingHoursOrNotSet(config, Date.now());
-    if (!config.demoMode) {
-      if (isDuringWorkingHoursOrNotSet) {
-        config.lastRun = Date.now();
-        jobStorage
-          .getJobs()
-          .filter((job) => job.enabled)
-          .forEach((job) => {
-            job.provider
-              .filter((p) => fetchedProvider.find((fp) => fp.metaInformation.id === p.id) != null)
-              .forEach(async (prov) => {
-                const pro = fetchedProvider.find((fp) => fp.metaInformation.id === prov.id);
-                pro.init(prov, job.blacklist);
-                await new FredyRuntime(pro.config, job.notificationAdapter, prov.id, job.id, similarityCache).execute();
-                setLastJobExecution(job.id);
-              });
-          });
-      } else {
-        logger.debug('Working hours set. Skipping as outside of working hours.');
-      }
+bus.on('jobs:runAll', () => {
+  logger.debug('Running Fredy Job manually');
+  execute();
+});
+
+const execute = () => {
+  const isDuringWorkingHoursOrNotSet = duringWorkingHoursOrNotSet(config, Date.now());
+  if (!config.demoMode) {
+    if (isDuringWorkingHoursOrNotSet) {
+      config.lastRun = Date.now();
+      jobStorage
+        .getJobs()
+        .filter((job) => job.enabled)
+        .forEach((job) => {
+          job.provider
+            .filter((p) => providers.find((loaded) => loaded.metaInformation.id === p.id) != null)
+            .forEach(async (prov) => {
+              const matchedProvider = providers.find((loaded) => loaded.metaInformation.id === prov.id);
+              matchedProvider.init(prov, job.blacklist);
+              await new FredyRuntime(
+                matchedProvider.config,
+                job.notificationAdapter,
+                prov.id,
+                job.id,
+                similarityCache,
+              ).execute();
+            });
+        });
+    } else {
+      logger.debug('Working hours set. Skipping as outside of working hours.');
     }
-    return exec;
-  })(),
-  INTERVAL,
-);
+  }
+};
+
+setInterval(execute, INTERVAL);
+//start once at startup
+execute();

lib/FredyRuntime.js

@@ -1,5 +1,5 @@
 import { NoNewListingsWarning } from './errors.js';
-import { setKnownListings, getKnownListings } from './services/storage/listingsStorage.js';
+import { storeListings, getKnownListingHashesForJobAndProvider } from './services/storage/listingsStorage.js';
 import * as notify from './notification/notify.js';
 import Extractor from './services/extractor/extractor.js';
 import urlModifier from './services/queryStringMutator.js';
@@ -77,7 +77,10 @@ class FredyRuntime {
   }
 
   _findNew(listings) {
-    const newListings = listings.filter((o) => getKnownListings(this._jobKey, this._providerId)[o.id] == null);
+    logger.debug(`Checking ${listings.length} listings for new entries (Provider: '${this._providerId}')`);
+    const hashes = getKnownListingHashesForJobAndProvider(this._jobKey, this._providerId) || [];
+
+    const newListings = listings.filter((o) => !hashes.includes(o.id));
     if (newListings.length === 0) {
       throw new NoNewListingsWarning();
     }
@@ -93,11 +96,8 @@ class FredyRuntime {
   }
 
   _save(newListings) {
-    const currentListings = getKnownListings(this._jobKey, this._providerId) || {};
-    newListings.forEach((listing) => {
-      currentListings[listing.id] = Date.now();
-    });
-    setKnownListings(this._jobKey, this._providerId, currentListings);
+    logger.debug(`Storing ${newListings.length} new listings (Provider: '${this._providerId}')`);
+    storeListings(this._jobKey, this._providerId, newListings);
     return newListings;
   }
 
@@ -105,16 +105,22 @@ class FredyRuntime {
     const filteredList = listings.filter((listing) => {
       const similar = this._similarityCache.hasSimilarEntries(listing.title, listing.address);
       if (similar) {
-        logger.debug(`Filtering similar entry for title: ${listing.title} and address ${listing.address}`);
+        logger.debug(
+          `Filtering similar entry for title '${listing.title}' and address '${listing.address}' (Provider: '${this._providerId}')`,
+        );
       }
       return !similar;
     });
-    filteredList.forEach((filter) => this._similarityCache.addCacheEntry(filter.title, listings.address));
+    filteredList.forEach((filter) => this._similarityCache.addCacheEntry(filter.title, filter.address));
     return filteredList;
   }
 
   _handleError(err) {
-    if (err.name !== 'NoNewListingsWarning') logger.error(err);
+    if (err.name === 'NoNewListingsWarning') {
+      logger.debug(`No new listings found (Provider: '${this._providerId}').`);
+    } else {
+      logger.error(err);
+    }
   }
 }
 

lib/api/api.js

@@ -3,10 +3,11 @@ import { authInterceptor, cookieSession, adminInterceptor } from './security.js'
 import { generalSettingsRouter } from './routes/generalSettingsRoute.js';
 import { analyticsRouter } from './routes/analyticsRouter.js';
 import { providerRouter } from './routes/providerRouter.js';
+import { versionRouter } from './routes/versionRouter.js';
 import { loginRouter } from './routes/loginRoute.js';
-import { config } from '../utils.js';
 import { userRouter } from './routes/userRoute.js';
 import { jobRouter } from './routes/jobRouter.js';
+import { config } from '../utils.js';
 import bodyParser from 'body-parser';
 import restana from 'restana';
 import files from 'serve-static';
@@ -14,6 +15,7 @@ import path from 'path';
 import { getDirName } from '../utils.js';
 import { demoRouter } from './routes/demoRouter.js';
 import logger from '../services/logger.js';
+import { listingsRouter } from './routes/listingsRouter.js';
 const service = restana();
 const staticService = files(path.join(getDirName(), '../ui/public'));
 const PORT = config.port || 9998;
@@ -23,6 +25,9 @@ service.use(cookieSession());
 service.use(staticService);
 service.use('/api/admin', authInterceptor());
 service.use('/api/jobs', authInterceptor());
+service.use('/api/version', authInterceptor());
+service.use('/api/listings', authInterceptor());
+
 // /admin can only be accessed when user is having admin permissions
 service.use('/api/admin', adminInterceptor());
 service.use('/api/jobs/notificationAdapter', notificationAdapterRouter);
@@ -30,8 +35,10 @@ service.use('/api/admin/generalSettings', generalSettingsRouter);
 service.use('/api/jobs/provider', providerRouter);
 service.use('/api/jobs/insights', analyticsRouter);
 service.use('/api/admin/users', userRouter);
+service.use('/api/version', versionRouter);
 service.use('/api/jobs', jobRouter);
 service.use('/api/login', loginRouter);
+service.use('/api/listings', listingsRouter);
 //this route is unsecured intentionally as it is being queried from the login page
 service.use('/api/demo', demoRouter);
 

lib/api/routes/generalSettingsRoute.js

@@ -1,7 +1,7 @@
 import restana from 'restana';
 import { config, getDirName, readConfigFromStorage, refreshConfig } from '../../utils.js';
 import fs from 'fs';
-import { handleDemoUser } from '../../services/storage/userStorage.js';
+import { ensureDemoUserExists } from '../../services/storage/userStorage.js';
 import logger from '../../services/logger.js';
 const service = restana();
 const generalSettingsRouter = service.newRouter();
@@ -19,7 +19,7 @@ generalSettingsRouter.post('/', async (req, res) => {
     const currentConfig = await readConfigFromStorage();
     fs.writeFileSync(`${getDirName()}/../conf/config.json`, JSON.stringify({ ...currentConfig, ...settings }));
     await refreshConfig();
-    handleDemoUser();
+    ensureDemoUserExists();
   } catch (err) {
     logger.error(err);
     res.send(new Error('Error while trying to write settings.'));

lib/api/routes/jobRouter.js

@@ -4,8 +4,11 @@ import * as userStorage from '../../services/storage/userStorage.js';
 import { config } from '../../utils.js';
 import { isAdmin } from '../security.js';
 import logger from '../../services/logger.js';
+import { bus } from '../../services/events/event-bus.js';
+
 const service = restana();
 const jobRouter = service.newRouter();
+
 function doesJobBelongsToUser(job, req) {
   const userId = req.session.currentUser;
   if (userId == null) {
@@ -17,6 +20,7 @@ function doesJobBelongsToUser(job, req) {
   }
   return user.isAdmin || job.userId === user.id;
 }
+
 jobRouter.get('/', async (req, res) => {
   const isUserAdmin = isAdmin(req);
   //show only the jobs which belongs to the user (or all of the user is an admin)
@@ -30,6 +34,12 @@ jobRouter.get('/processingTimes', async (req, res) => {
   };
   res.send();
 });
+
+jobRouter.post('/startAll', async (req, res) => {
+  bus.emit('jobs:runAll');
+  res.send();
+});
+
 jobRouter.post('/', async (req, res) => {
   const { provider, notificationAdapter, name, blacklist = [], jobId, enabled } = req.body;
   try {

lib/api/routes/listingsRouter.js

@@ -0,0 +1,100 @@
+import restana from 'restana';
+import * as listingStorage from '../../services/storage/listingsStorage.js';
+import * as watchListStorage from '../../services/storage/watchListStorage.js';
+import { isAdmin as isAdminFn } from '../security.js';
+import logger from '../../services/logger.js';
+import { nullOrEmpty } from '../../utils.js';
+import { getJobs } from '../../services/storage/jobStorage.js';
+
+const service = restana();
+
+const listingsRouter = service.newRouter();
+
+listingsRouter.get('/table', async (req, res) => {
+  const {
+    page,
+    pageSize = 50,
+    activityFilter,
+    jobNameFilter,
+    providerFilter,
+    watchListFilter,
+    sortfield = null,
+    sortdir = 'asc',
+    freeTextFilter,
+  } = req.query || {};
+
+  // normalize booleans (accept true, 'true', 1, '1')
+  const toBool = (v) => v === true || v === 'true' || v === 1 || v === '1';
+  const normalizedActivity = toBool(activityFilter) ? true : null;
+  const normalizedWatch = toBool(watchListFilter) ? true : null;
+
+  let jobFilter = null;
+  let jobIdFilter = null;
+  const jobs = getJobs();
+  if (!nullOrEmpty(jobNameFilter)) {
+    const job = jobs.find((j) => j.id === jobNameFilter);
+    jobFilter = job != null ? job.name : null;
+    jobIdFilter = job != null ? job.id : null;
+  }
+
+  res.body = listingStorage.queryListings({
+    page: page ? parseInt(page, 10) : 1,
+    pageSize: pageSize ? parseInt(pageSize, 10) : 50,
+    freeTextFilter: freeTextFilter || null,
+    activityFilter: normalizedActivity,
+    jobNameFilter: jobFilter,
+    jobIdFilter: jobIdFilter,
+    providerFilter,
+    watchListFilter: normalizedWatch,
+    sortField: sortfield || null,
+    sortDir: sortdir === 'desc' ? 'desc' : 'asc',
+    userId: req.session.currentUser,
+    isAdmin: isAdminFn(req),
+  });
+  res.send();
+});
+
+// Toggle watch state for the current user on a listing
+listingsRouter.post('/watch', async (req, res) => {
+  try {
+    const { listingId } = req.body || {};
+    const userId = req.session?.currentUser;
+    if (!listingId || !userId) {
+      res.statusCode = 400;
+      res.body = { message: 'listingId or user not provided' };
+      return res.send();
+    }
+    watchListStorage.toggleWatch(listingId, userId);
+  } catch (error) {
+    logger.error(error);
+    res.statusCode = 500;
+    res.body = { message: 'Failed to toggle watch' };
+  }
+  res.send();
+});
+
+listingsRouter.delete('/job', async (req, res) => {
+  const { jobId } = req.body;
+  try {
+    listingStorage.deleteListingsByJobId(jobId);
+  } catch (error) {
+    res.send(new Error(error));
+    logger.error(error);
+  }
+  res.send();
+});
+
+listingsRouter.delete('/', async (req, res) => {
+  const { ids } = req.body;
+  try {
+    if (Array.isArray(ids) && ids.length > 0) {
+      listingStorage.deleteListingsById(ids);
+    }
+  } catch (error) {
+    res.send(new Error(error));
+    logger.error(error);
+  }
+  res.send();
+});
+
+export { listingsRouter };

lib/api/routes/versionRouter.js

@@ -0,0 +1,38 @@
+import restana from 'restana';
+import fetch from 'node-fetch';
+import { getPackageVersion } from '../../utils.js';
+import semver from 'semver';
+
+const service = restana();
+const versionRouter = service.newRouter();
+
+versionRouter.get('/', async (req, res) => {
+  const versionPayload = await getCurrentVersionFromGithub();
+  const localFredyVersion = await getPackageVersion();
+  res.body =
+    versionPayload == null
+      ? {
+          newVersion: false,
+          localFredyVersion,
+        }
+      : versionPayload;
+  res.send();
+});
+
+async function getCurrentVersionFromGithub() {
+  const raw = await fetch('https://api.github.com/repos/orangecoding/fredy/releases/latest');
+  const data = await raw.json();
+  const localFredyVersion = await getPackageVersion();
+  if (data.tag_name == null || semver.gte(localFredyVersion, data.tag_name)) {
+    return null;
+  }
+  return {
+    newVersion: true,
+    version: data.tag_name,
+    url: data.html_url,
+    body: data.body,
+    localFredyVersion,
+  };
+}
+
+export { versionRouter };

lib/api/security.js

@@ -37,7 +37,7 @@ const cookieSession$0 = (userId) => {
     name: 'fredy-admin-session',
     keys: ['fredy', 'super', 'fancy', 'key', nanoid()],
     userId,
-    maxAge: 8 * 60 * 60 * 1000, // 8 hours
+    maxAge: 2 * 60 * 60 * 1000, // 2 hours
   });
 };
 export { cookieSession$0 as cookieSession };

lib/defaultConfig.js

@@ -4,4 +4,6 @@ export const DEFAULT_CONFIG = {
   workingHours: { from: '', to: '' },
   demoMode: false,
   analyticsEnabled: null,
+  // Default path for sqlite storage directory. Interpreted relative to project root.
+  sqlitepath: '/db',
 };

lib/notification/adapter/apprise.js

@@ -8,7 +8,7 @@ export const send = ({ serviceName, newListings, notificationConfig, jobKey }) =
   const jobName = job == null ? jobKey : job.name;
   const promises = newListings.map((newListing) => {
     const title = `${jobName} at ${serviceName}: ${newListing.title}`;
-    const message = `Address: ${newListing.address}\nSize: ${newListing.size}\nPrice: ${newListing.price}\nink: ${newListing.link}`;
+    const message = `Address: ${newListing.address}\nSize: ${newListing.size}\nPrice: ${newListing.price}\nLink: ${newListing.link}`;
     return fetch(server, {
       method: 'POST',
       headers: { 'Content-Type': 'application/json' },

lib/notification/adapter/discord_webhook.js

@@ -0,0 +1,130 @@
+import fetch from 'node-fetch';
+import { getJob } from '../../services/storage/jobStorage.js';
+import { markdown2Html } from '../../services/markdown.js';
+import { normalizeImageUrl } from '../../utils.js';
+
+/**
+ * Generates an idempotent decimal color code. The input string-based color code is
+ * generated using the djb2 hash algorithm.
+ *
+ * @param {string} str - Input string as color code base
+ * @returns {number} Generated decimal color code (0 - 16777215)
+ */
+const generateColorFromString = (str) => {
+  let hash = 5381; // initial value
+  const input = String(str);
+
+  for (let i = 0; i < input.length; i++) {
+    // hash * 33 + charCode
+    hash = (hash << 5) + hash + input.charCodeAt(i);
+    // Ensure the hash is 32 bit
+    hash |= 0;
+  }
+
+  let positiveHash = hash >>> 0;
+  const maxColorValue = 16777215;
+  const colorDecimal = positiveHash % maxColorValue;
+
+  return colorDecimal;
+};
+
+/**
+ * Creates an embed per listing
+ * (-> see https://birdie0.github.io/discord-webhooks-guide/structure/embeds.html).
+ *
+ * @param {string} jobKey - Key of job (used to set embed color)
+ * @param {object} listing - Object holding listing details
+ * @returns {object} Discord webhook embed
+ */
+const buildEmbed = (jobKey, listing) => {
+  const maxTitleLength = 252; // Max embed title length is 256 characters
+  let title = String(listing.title ?? 'N/A');
+  if (title.length > maxTitleLength) {
+    title = title.substring(0, maxTitleLength) + '...';
+  }
+
+  const fields = [
+    {
+      name: 'Price',
+      value: String(listing.price ?? 'n/a'),
+      inline: true,
+    },
+    {
+      name: 'Size',
+      value: listing?.size?.replace(/2m/g, 'm²') ?? 'n/a',
+      inline: true,
+    },
+    {
+      name: 'Address',
+      value: String(listing.address ?? 'n/a'),
+      inline: true,
+    },
+  ];
+
+  const embed = {
+    title: title,
+    color: generateColorFromString(jobKey),
+    url: listing.link,
+    fields: fields,
+  };
+
+  if (listing.image) {
+    embed.image = {
+      url: normalizeImageUrl(listing.image),
+    };
+  }
+
+  return embed;
+};
+
+export const send = ({ serviceName, newListings, notificationConfig, jobKey }) => {
+  const adapter = notificationConfig.find((adapter) => adapter.id === config.id);
+  const webhookUrl = adapter?.fields?.webhookUrl;
+  if (!webhookUrl || newListings.length === 0) return Promise.resolve([]);
+
+  const job = getJob(jobKey);
+  const jobName = job?.name || jobKey;
+
+  const embeds = newListings.map((listing) => buildEmbed(jobKey, listing));
+
+  const maxEmbedsPerMessage = 10; // Discord only allows up to 10 embeds
+  const webhookPromises = [];
+
+  for (let i = 0; i < embeds.length; i += maxEmbedsPerMessage) {
+    // Send multiple Discord messages with up to 10 embeds per message
+    const embedChunk = embeds.slice(i, i + maxEmbedsPerMessage);
+
+    const content = i === 0 ? `*${jobName}:* ${serviceName} found **${newListings.length}** new listings.` : '';
+    const body = JSON.stringify({
+      content: content,
+      embeds: embedChunk,
+    });
+
+    const fetchPromise = fetch(webhookUrl, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body,
+    }).catch((error) => {
+      console.error(`Error sending Discord webhook for chunk starting at ${i}:`, error);
+      return Promise.reject(new Error(`Webhook failed: ${error.message}`));
+    });
+
+    webhookPromises.push(fetchPromise);
+  }
+
+  return Promise.allSettled(webhookPromises);
+};
+
+export const config = {
+  id: 'discord_webhook',
+  name: 'Discord Webhook',
+  readme: markdown2Html('lib/notification/adapter/discord_webhook.md'),
+  description: 'Fredy will send new listings to the Discord channel of your choice.',
+  fields: {
+    webhookUrl: {
+      type: 'text',
+      label: 'Webhook URL',
+      description: 'The URL of the Discord webhook to send messages to.',
+    },
+  },
+};

lib/notification/adapter/discord_webhook.md

@@ -0,0 +1,4 @@
+### Discord Adapter
+
+To use the [Discord](https://discord.com/) Adapter, you need to create a webhook on the Discord channel of your choice. You can follow the instructions of _Making A Webhook_ on [this support website](https://support.discord.com/hc/en-us/articles/228383668-Intro-to-Webhooks).
+Once you have created a webhook, copy and paste the webhook URL.

lib/notification/adapter/mattermost.js

@@ -13,10 +13,10 @@ export const send = ({ serviceName, newListings, notificationConfig, jobKey }) =
   return fetch(webhook, {
     method: 'POST',
     headers: { 'Content-Type': 'application/json' },
-    body: {
+    body: JSON.stringify({
       channel: channel,
       text: message,
-    },
+    }),
   });
 };
 export const config = {

lib/notification/adapter/ntfy.js

@@ -15,11 +15,17 @@ Size: ${newListing.size == null ? 'N/A' : newListing.size.replace(/2m/g, '$m^2$'
 Price: ${newListing.price}
 Link: ${newListing.link}`;
 
+    const sanitizeHeaderValue = (value) =>
+      String(value ?? '')
+        .replace(/[\r\n]+/g, ' ')
+        .replace(/[^\x20-\x7E]/g, ' ')
+        .trim();
+
     const headers = {
-      Title: newListing.title,
-      Priority: String(priority),
-      Tags: `${serviceName},${jobName}`,
-      Click: newListing.link,
+      Title: sanitizeHeaderValue(newListing.title),
+      Priority: sanitizeHeaderValue(priority),
+      Tags: sanitizeHeaderValue(`${serviceName},${jobName}`),
+      Click: sanitizeHeaderValue(newListing.link),
     };
 
     if (newListing.image && typeof newListing.image === 'string') {

lib/notification/adapter/sqlite.js

@@ -1,7 +1,18 @@
 import { markdown2Html } from '../../services/markdown.js';
 import Database from 'better-sqlite3';
-export const send = ({ serviceName, newListings, jobKey }) => {
-  const db = new Database('db/listings.db');
+import path from 'path';
+import fs from 'fs';
+
+export const send = ({ serviceName, newListings, jobKey, notificationConfig }) => {
+  const sqliteConfig = notificationConfig.find((adapter) => adapter.id === config.id);
+  const dbPath = sqliteConfig?.fields?.dbPath || 'db/listings.db';
+
+  const dbDir = path.dirname(dbPath);
+  if (!fs.existsSync(dbDir)) {
+    fs.mkdirSync(dbDir, { recursive: true });
+  }
+
+  const db = new Database(dbPath);
   const fields = [
     'serviceName',
     'jobKey',
@@ -30,8 +41,16 @@ export const send = ({ serviceName, newListings, jobKey }) => {
 };
 export const config = {
   id: 'sqlite',
-  name: 'Sqlite',
-  description: 'This adapter stores listings in a local sqlite3 database.',
-  config: {},
+  name: 'SQLite',
+  description: 'This adapter stores listings in a local SQLite 3 database.',
+  fields: {
+    dbPath: {
+      type: 'text',
+      label: 'Database Path',
+      description:
+        'Path to the SQLite database file (e.g., db/listings.db). If not specified, defaults to db/listings.db',
+      placeholder: 'db/listings.db',
+    },
+  },
   readme: markdown2Html('lib/notification/adapter/sqlite.md'),
 };

lib/notification/adapter/sqlite.md

@@ -1,9 +1,9 @@
-### Sqlite Adapter
+### SQLite Adapter
 
-This adapter stores search results in a sqlite database located in db/listings.db. This file can be used for further analysis later on.
+This adapter stores search results in an SQLite database. By default, the database is located at `db/listings.db`, but you can configure a custom location. This file can be used for further analysis later.
 
-Fields are:
+The database table contains the following columns (all stored as `TEXT` type):
 
 ```
-['serviceName', 'jobKey', 'id', 'size', 'rooms', 'price', 'address', 'title', 'link', 'description']
+['serviceName', 'jobKey', 'id', 'size', 'rooms', 'price', 'address', 'title', 'link', 'description', 'image']
 ```

lib/notification/adapter/telegram.js

@@ -3,10 +3,14 @@ import { getJob } from '../../services/storage/jobStorage.js';
 import fetch from 'node-fetch';
 import pThrottle from 'p-throttle';
 import { normalizeImageUrl } from '../../utils.js';
+import logger from '../../services/logger.js';
 
 const RATE_LIMIT_INTERVAL = 1000;
 const chatThrottleMap = new Map();
 
+/**
+ * Removes stale throttled call entries to keep memory bounded.
+ */
 function cleanupOldThrottles() {
   const now = Date.now();
   const maxAge = RATE_LIMIT_INTERVAL + 1000;
@@ -17,6 +21,15 @@ function cleanupOldThrottles() {
   for (const chatId of toBeDeleted) chatThrottleMap.delete(chatId);
 }
 
+/**
+ * Return a throttled wrapper for a chatId to limit Telegram API calls.
+ * Uses p-throttle with 1 request per RATE_LIMIT_INTERVAL per chat.
+ *
+ * @template {Function} T
+ * @param {string|number} chatId
+ * @param {T} call - async function (endpoint: string, body: any) => Promise<Response>
+ * @returns {T}
+ */
 function getThrottled(chatId, call) {
   cleanupOldThrottles();
   const now = Date.now();
@@ -30,15 +43,38 @@ function getThrottled(chatId, call) {
   return throttled;
 }
 
+/**
+ * Shorten a string to a maximum length with an ellipsis suffix.
+ * @param {string} str
+ * @param {number} [len=90]
+ * @returns {string}
+ */
 function shorten(str, len = 90) {
   if (!str) return '';
   return str.length > len ? str.substring(0, len).trim() + '...' : str;
 }
 
+/**
+ * Escape basic HTML entities for Telegram HTML parse mode.
+ * @param {string} [s='']
+ * @returns {string}
+ */
 function escapeHtml(s = '') {
   return s.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
 }
 
+/**
+ * Build a Telegram photo caption (max 1024 characters) using HTML parse mode.
+ * @param {string} jobName
+ * @param {string} serviceName
+ * @param {Object} o - Listing object
+ * @param {string} [o.title]
+ * @param {string} [o.address]
+ * @param {string|number} [o.price]
+ * @param {string|number} [o.size]
+ * @param {string} [o.link]
+ * @returns {string}
+ */
 function buildCaption(jobName, serviceName, o) {
   const title = shorten((o.title || '').replace(/\*/g, ''), 90);
   const meta = [o.address, o.price, o.size].filter(Boolean).join(' | ');
@@ -47,6 +83,13 @@ function buildCaption(jobName, serviceName, o) {
   )}'><b>${escapeHtml(title)}</b></a>\n${escapeHtml(meta)}`.slice(0, 1024);
 }
 
+/**
+ * Build a Telegram message text using HTML parse mode.
+ * @param {string} jobName
+ * @param {string} serviceName
+ * @param {Object} o - Listing object
+ * @returns {string}
+ */
 function buildText(jobName, serviceName, o) {
   const title = shorten((o.title || '').replace(/\*/g, ''), 90);
   const meta = [o.address, o.price, o.size].filter(Boolean).join(' | ');
@@ -57,8 +100,27 @@ function buildText(jobName, serviceName, o) {
   );
 }
 
-export const send = ({ serviceName, newListings, notificationConfig, jobKey }) => {
-  const { token, chatId } = notificationConfig.find((adapter) => adapter.id === config.id).fields;
+/**
+ * Send new listings to Telegram.
+ * - Respects per-chat Telegram rate limits using a lightweight throttle cache.
+ * - Falls back to sendMessage when sendPhoto fails or image is missing.
+ *
+ * @param {Object} params
+ * @param {string} params.serviceName - Name of the crawler/service producing the listings.
+ * @param {Array<Object>} params.newListings - Array of new listing objects.
+ * @param {Array<Object>} params.notificationConfig - Notification adapters configuration array.
+ * @param {string} params.jobKey - Storage job key to resolve the human readable job name.
+ * @returns {Promise<Array<Response>>} Promise resolving when all send operations complete.
+ */
+export const send = ({ serviceName, newListings = [], notificationConfig, jobKey }) => {
+  const adapterCfg = notificationConfig.find((adapter) => adapter.id === config.id);
+  if (!adapterCfg || !adapterCfg.fields) {
+    throw new Error(`Telegram adapter configuration missing for job '${jobKey || ''}'`);
+  }
+  const { token, chatId } = adapterCfg.fields;
+  if (!token || !chatId) {
+    throw new Error("Telegram 'token' and 'chatId' must be provided in notification config");
+  }
   const job = getJob(jobKey);
   const jobName = job == null ? jobKey : job.name;
 
@@ -68,9 +130,16 @@ export const send = ({ serviceName, newListings, notificationConfig, jobKey }) =
       body: JSON.stringify(body),
       headers: { 'Content-Type': 'application/json' },
     });
+
+    if (!res.ok) {
+      const errorBody = await res.text();
+      throw new Error(`API error for '${jobName}'. '${endpoint}' returned ${errorBody}`);
+    }
     return res;
   });
 
+  if (!Array.isArray(newListings) || newListings.length === 0) return Promise.resolve([]);
+
   const promises = newListings.map(async (o) => {
     const img = normalizeImageUrl(o.image);
     const textPayload = {
@@ -81,28 +150,32 @@ export const send = ({ serviceName, newListings, notificationConfig, jobKey }) =
     };
 
     if (!img) {
-      return throttledCall('sendMessage', textPayload);
+      return await throttledCall('sendMessage', textPayload).catch(async (e) => {
+        logger.error(`Error sending message to Telegram: ${e.message}`);
+      });
     }
 
-    try {
-      return await throttledCall('sendPhoto', {
-        chat_id: chatId,
-        photo: img,
-        caption: buildCaption(jobName, serviceName, o),
-        parse_mode: 'HTML',
+    return await throttledCall('sendPhoto', {
+      chat_id: chatId,
+      photo: img,
+      caption: buildCaption(jobName, serviceName, o),
+      parse_mode: 'HTML',
+    }).catch(async (e) => {
+      logger.error(`Error sending photo to Telegram and use a fallback: ${e.message}`);
+      return await throttledCall('sendMessage', textPayload).catch((e) => {
+        logger.error(`Error sending message to Telegram: ${e.message}`);
+        throw e;
       });
-    } catch (e) {
-      // If we see a timeout due to sending an image, try sending it without
-      if (e && (e.code === 'ETIMEDOUT' || e.errno === 'ETIMEDOUT')) {
-        return throttledCall('sendMessage', textPayload);
-      }
-      throw e;
-    }
+    });
   });
 
   return Promise.all(promises);
 };
 
+/**
+ * Telegram notification adapter configuration schema.
+ * @type {{id:string,name:string,readme:string,description:string,fields:{token:{type:string,label:string,description:string},chatId:{type:string,label:string,description:string}}}}
+ */
 export const config = {
   id: 'telegram',
   name: 'Telegram',

lib/provider/einsAImmobilien.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { buildHash, isOneOf } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 let appliedBlackList = [];
 
 function normalize(o) {
@@ -7,7 +8,8 @@ function normalize(o) {
   const price = normalizePrice(o.price);
   const id = buildHash(o.id, price);
   const image = baseUrl + o.image;
-  return Object.assign(o, { id, price, link, image });
+  const address = o.address == null ? null : o.address.trim().replaceAll('/', ',');
+  return Object.assign(o, { id, price, link, image, address });
 }
 
 /**
@@ -28,8 +30,8 @@ function normalizePrice(price) {
   return result[0];
 }
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -44,9 +46,11 @@ const config = {
     size: '.tabelle .tabelle_inhalt_infos .single_data_box  | removeNewline | trim',
     title: '.inner_object_data .tabelle_inhalt_titel_black | removeNewline | trim',
     image: '.inner_object_pic img@src',
+    address: '.tabelle .tabelle_inhalt_infos .left_information > div:nth-child(2) | removeNewline | trim',
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/immobilienDe.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { buildHash, isOneOf } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 
@@ -12,10 +13,10 @@ function parseId(shortenedLink) {
 
 function normalize(o) {
   const baseUrl = 'https://www.immobilien.de';
-  const size = o.size || 'N/A m²';
-  const price = o.price || 'N/A €';
+  const size = o.size || null;
+  const price = o.price || null;
   const title = o.title || 'No title available';
-  const address = o.address || 'No address available';
+  const address = o.address || null;
   const shortLink = shortenLink(o.link);
   const link = `${baseUrl}/${shortLink}`;
   const image = baseUrl + o.image;
@@ -24,8 +25,8 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -46,6 +47,7 @@ const config = {
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/immonet.js

@@ -1,25 +1,19 @@
-import utils, { buildHash } from '../utils.js';
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 let appliedBlackList = [];
 
-/**
- * Note, Immonet is rly a piece of sh*t. It is using a weird combination of React and some buttons (instead of links),
- * so that if somebody clicks the listing, a new page will open with the actual link to the listing. Of course, a scraper
- * cannot do this (which is why I always just return the link to the whole list of listings).
- * This is not only bad for us, but also bad for ppl with disabilities...
- */
-
 function normalize(o) {
   const size = o.size != null ? o.size.replace('Wohnfläche ', '') : 'N/A m²';
   const price = o.price.replace('Kaufpreis ', '');
   const address = o.address?.split(' • ')?.pop() ?? null;
   const title = o.title || 'No title available';
-  const link = config.url;
+  const link = o.link != null ? decodeURIComponent(o.link) : config.url;
   const id = buildHash(title, price);
   return Object.assign(o, { id, address, price, size, title, link });
 }
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return titleNotBlacklisted && descNotBlacklisted;
 }
 const config = {
@@ -28,15 +22,18 @@ const config = {
   sortByDateParam: 'sortby=19',
   waitForSelector: 'div[data-testid="serp-gridcontainer-testid"]',
   crawlFields: {
-    id: 'button@title |trim', // immonet is a piece of sh*t. See comment above
+    id: 'button@title |trim',
     title: 'button@title |trim',
     price: 'div[data-testid="cardmfe-price-testid"] | trim',
     size: 'div[data-testid="cardmfe-keyfacts-testid"] | trim',
     address: 'div[data-testid="cardmfe-description-box-address"] | trim',
     image: 'div[data-testid="cardmfe-picture-box-test-id"] img@src',
+    link: 'button@data-base',
+    description: 'div[data-testid="cardmfe-description-text-test-id"] | trim',
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/immoscout.js

@@ -3,7 +3,7 @@
  *
  * The mobile API provides the following endpoints:
  * - GET /search/total?{search parameters}: Returns the total number of listings for the given query
- *   Example: `curl -H "User-Agent: ImmoScout24_1410_30_._" https://api.mobile.immobilienscout24.de/search/total?searchType=region&realestatetype=apartmentrent&pricetype=calculatedtotalrent&geocodes=%2Fde%2Fberlin%2Fberlin `
+ *   Example: `curl -H "User-Agent: ImmoScout_27.3_26.0_._" https://api.mobile.immobilienscout24.de/search/total?searchType=region&realestatetype=apartmentrent&pricetype=calculatedtotalrent&geocodes=%2Fde%2Fberlin%2Fberlin `
  *
  * - POST /search/list?{search parameters}: Actually retrieves the listings. Body is json encoded and contains
  *   data specifying additional results (advertisements) to return. The format is as follows:
@@ -15,12 +15,12 @@
  *   ```
  *   It is not necessary to provide data for the specified keys.
  *
- *   Example: `curl -X POST 'https://api.mobile.immobilienscout24.de/search/list?pricetype=calculatedtotalrent&realestatetype=apartmentrent&searchType=region&geocodes=%2Fde%2Fberlin%2Fberlin&pagenumber=1' -H "Connection: keep-alive" -H "User-Agent: ImmoScout24_1410_30_._" -H "Accept: application/json" -H "Content-Type: application/json" -d '{"supportedResultListType": [], "userData": {}}'`
+ *   Example: `curl -X POST 'https://api.mobile.immobilienscout24.de/search/list?pricetype=calculatedtotalrent&realestatetype=apartmentrent&searchType=region&geocodes=%2Fde%2Fberlin%2Fberlin&pagenumber=1' -H "Connection: keep-alive" -H "User-Agent: ImmoScout_27.3_26.0_._" -H "Accept: application/json" -H "Content-Type: application/json" -d '{"supportedResultListType": [], "userData": {}}'`
 
  * - GET /expose/{id} - Returns the details of a listing. The response contains additional details not included in the
  *   listing response.
  *
- *   Example: `curl -H "User-Agent: ImmoScout24_1410_30_._" "https://api.mobile.immobilienscout24.de/expose/158382494"`
+ *   Example: `curl -H "User-Agent: ImmoScout_27.3_26.0_._" "https://api.mobile.immobilienscout24.de/expose/158382494"`
  *
  *
  * It is necessary to set the correct User Agent (see `getListings`) in the request header.
@@ -35,8 +35,11 @@
  *
  */
 
-import utils, { buildHash } from '../utils.js';
-import { convertWebToMobile } from '../services/immoscout/immoscout-web-translator.js';
+import { buildHash, isOneOf } from '../utils.js';
+import {
+  convertImmoscoutListingToMobileListing,
+  convertWebToMobile,
+} from '../services/immoscout/immoscout-web-translator.js';
 import logger from '../services/logger.js';
 let appliedBlackList = [];
 
@@ -44,7 +47,7 @@ async function getListings(url) {
   const response = await fetch(url, {
     method: 'POST',
     headers: {
-      'User-Agent': 'ImmoScout24_1410_30_._',
+      'User-Agent': 'ImmoScout_27.3_26.0_._',
       'Content-Type': 'application/json',
     },
     body: JSON.stringify({
@@ -69,6 +72,7 @@ async function getListings(url) {
         price: price?.value,
         size: size?.value,
         title: item.title,
+        description: item.description,
         link: `${metaInformation.baseUrl}expose/${item.id}`,
         address: item.address?.line,
         image,
@@ -76,6 +80,25 @@ async function getListings(url) {
     });
 }
 
+async function isListingActive(link) {
+  const result = await fetch(convertImmoscoutListingToMobileListing(link), {
+    headers: {
+      'User-Agent': 'ImmoScout_27.3_26.0_._',
+    },
+  });
+
+  if (result.status === 200) {
+    return 1;
+  }
+
+  if (result.status === 404) {
+    return 0;
+  }
+
+  logger.warn('Unknown status for immoscout listing', link);
+  return -1;
+}
+
 function nullOrEmpty(val) {
   return val == null || val.length === 0;
 }
@@ -86,7 +109,7 @@ function normalize(o) {
   return Object.assign(o, { id, title, address });
 }
 function applyBlacklist(o) {
-  return !utils.isOneOf(o.title, appliedBlackList);
+  return !isOneOf(o.title, appliedBlackList);
 }
 const config = {
   url: null,
@@ -103,6 +126,7 @@ const config = {
   normalize: normalize,
   filter: applyBlacklist,
   getListings: getListings,
+  activeTester: isListingActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/immoswp.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 
@@ -14,8 +15,8 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -35,6 +36,7 @@ const config = {
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/immowelt.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { buildHash, isOneOf } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 
@@ -8,8 +9,8 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -25,11 +26,13 @@ const config = {
     size: 'div[data-testid="cardmfe-keyfacts-testid"] | removeNewline | trim',
     title: 'div[data-testid="cardmfe-description-box-text-test-id"] > div:nth-of-type(2)',
     link: 'a@href',
+    description: 'div[data-testid="cardmfe-description-text-test-id"] > div:nth-of-type(2) | removeNewline | trim',
     address: 'div[data-testid="cardmfe-description-box-address"] | removeNewline | trim',
-    image: 'div[data-testid="cardMfe-card-pictureBox-opacity"] img@src',
+    image: 'div[data-testid="cardmfe-picture-box-opacity-layer-test-id"] img@src',
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/kleinanzeigen.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { buildHash, isOneOf } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 let appliedBlacklistedDistricts = [];
@@ -11,10 +12,10 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   const isBlacklistedDistrict =
-    appliedBlacklistedDistricts.length === 0 ? false : utils.isOneOf(o.description, appliedBlacklistedDistricts);
+    appliedBlacklistedDistricts.length === 0 ? false : isOneOf(o.description, appliedBlacklistedDistricts);
   return o.title != null && !isBlacklistedDistrict && titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -36,6 +37,7 @@ const config = {
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const metaInformation = {
   name: 'Ebay Kleinanzeigen',

lib/provider/mcMakler.js

@@ -0,0 +1,47 @@
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
+let appliedBlackList = [];
+
+function normalize(o) {
+  const originalId = o.id.split('/').pop();
+  const id = buildHash(originalId, o.price);
+  const size = o.size ?? 'N/A m²';
+  const title = o.title || 'No title available';
+  const address = o.address?.replace(' / ', ' ') || null;
+  const link = o.link != null ? `https://www.mcmakler.de${o.link}` : config.url;
+  return Object.assign(o, { id, size, title, link, address });
+}
+function applyBlacklist(o) {
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
+  return titleNotBlacklisted && descNotBlacklisted;
+}
+const config = {
+  url: null,
+  crawlContainer: 'article[data-testid="propertyCard"]',
+  sortByDateParam: 'sortBy=DATE&sortOn=DESC',
+  waitForSelector: 'ul[data-testid="listsContainer"]',
+  crawlFields: {
+    id: 'h2 a@href',
+    title: 'h2 a | removeNewline | trim',
+    price: 'footer > p:first-of-type | trim',
+    size: 'footer > p:nth-of-type(2) | trim',
+    address: 'div > h2 + p | removeNewline | trim',
+    image: 'img@src',
+    link: 'h2 a@href',
+  },
+  normalize: normalize,
+  filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
+};
+export const init = (sourceConfig, blacklist) => {
+  config.enabled = sourceConfig.enabled;
+  config.url = sourceConfig.url;
+  appliedBlackList = blacklist || [];
+};
+export const metaInformation = {
+  name: 'McMakler',
+  baseUrl: 'https://www.mcmakler.de/immobilien/',
+  id: 'mcMakler',
+};
+export { config };

lib/provider/neubauKompass.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 
@@ -15,14 +16,14 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  return !utils.isOneOf(o.title, appliedBlackList);
+  return !isOneOf(o.title, appliedBlackList);
 }
 
 const config = {
   url: null,
   crawlContainer: '.col-12.mb-4',
   sortByDateParam: 'Sortierung=Id&Richtung=DESC',
-  waitForSelector: '.nbk-section',
+  waitForSelector: 'div[data-live-name-value="SearchList"]',
   crawlFields: {
     id: 'a@href',
     title: 'a@title | removeNewline | trim',
@@ -33,6 +34,7 @@ const config = {
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/provider/regionalimmobilien24.js

@@ -0,0 +1,49 @@
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
+let appliedBlackList = [];
+
+function normalize(o) {
+  const id = buildHash(o.id, o.price);
+  const address = o.address?.replace(/^adresse /i, '') ?? null;
+  const title = o.title || 'No title available';
+  const link = o.link != null ? decodeURIComponent(o.link) : config.url;
+
+  var urlReg = new RegExp(/url\((.*?)\)/gim);
+  const image = o.image != null ? urlReg.exec(o.image)[1] : null;
+  return Object.assign(o, { id, address, title, link, image });
+}
+function applyBlacklist(o) {
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
+  return titleNotBlacklisted && descNotBlacklisted;
+}
+const config = {
+  url: null,
+  crawlContainer: '.listentry-content',
+  sortByDateParam: null, // sort by date is standard
+  waitForSelector: 'body',
+  crawlFields: {
+    id: '.listentry-iconbar-share@data-sid | trim',
+    title: 'h2 | trim',
+    price: '.listentry-details-price .listentry-details-v | trim',
+    size: '.listentry-details-size .listentry-details-v | trim',
+    address: '.listentry-adress | trim',
+    image: '.listentry-img@style',
+    link: '.shariff@data-url',
+    description: '.listentry-extras | trim',
+  },
+  normalize: normalize,
+  filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
+};
+export const init = (sourceConfig, blacklist) => {
+  config.enabled = sourceConfig.enabled;
+  config.url = sourceConfig.url;
+  appliedBlackList = blacklist || [];
+};
+export const metaInformation = {
+  name: 'Regionalimmobilien24',
+  baseUrl: 'https://www.regionalimmobilien24.de/',
+  id: 'regionalimmobilien24',
+};
+export { config };

lib/provider/sparkasse.js

@@ -0,0 +1,46 @@
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
+let appliedBlackList = [];
+
+function normalize(o) {
+  const originalId = o.id.split('/').pop().replace('.html', '');
+  const id = buildHash(originalId, o.price);
+  const size = o.size?.replace(' Wohnfläche', '') ?? null;
+  const title = o.title || 'No title available';
+  const link = o.link != null ? `https://immobilien.sparkasse.de${o.link}` : config.url;
+  return Object.assign(o, { id, size, title, link });
+}
+function applyBlacklist(o) {
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
+  return titleNotBlacklisted && descNotBlacklisted;
+}
+const config = {
+  url: null,
+  crawlContainer: '.estate-list-item-row',
+  sortByDateParam: 'sortBy=date_desc',
+  waitForSelector: 'body',
+  crawlFields: {
+    id: 'div[data-testid="estate-link"] a@href',
+    title: 'h3 | trim',
+    price: '.estate-list-price | trim',
+    size: '.estate-mainfact:first-child span | trim',
+    address: 'h6 | trim',
+    image: '.estate-list-item-image-container img@src',
+    link: 'div[data-testid="estate-link"] a@href',
+  },
+  normalize: normalize,
+  filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
+};
+export const init = (sourceConfig, blacklist) => {
+  config.enabled = sourceConfig.enabled;
+  config.url = sourceConfig.url;
+  appliedBlackList = blacklist || [];
+};
+export const metaInformation = {
+  name: 'Sparkasse Immobilien',
+  baseUrl: 'https://immobilien.sparkasse.de/',
+  id: 'sparkasse',
+};
+export { config };

lib/provider/wgGesucht.js

@@ -1,4 +1,5 @@
-import utils, { buildHash } from '../utils.js';
+import { isOneOf, buildHash } from '../utils.js';
+import checkIfListingIsActive from '../services/listings/listingActiveTester.js';
 
 let appliedBlackList = [];
 
@@ -10,8 +11,8 @@ function normalize(o) {
 }
 
 function applyBlacklist(o) {
-  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
-  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  const titleNotBlacklisted = !isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !isOneOf(o.description, appliedBlackList);
   return o.id != null && titleNotBlacklisted && descNotBlacklisted;
 }
 
@@ -31,6 +32,7 @@ const config = {
   },
   normalize: normalize,
   filter: applyBlacklist,
+  activeTester: checkIfListingIsActive,
 };
 export const init = (sourceConfig, blacklist) => {
   config.enabled = sourceConfig.enabled;

lib/services/crons/demoCleanup-cron.js

@@ -0,0 +1,23 @@
+import { removeJobsByUserId } from '../storage/jobStorage.js';
+import { config } from '../../utils.js';
+import { getUsers } from '../storage/userStorage.js';
+import logger from '../logger.js';
+import cron from 'node-cron';
+
+/**
+ * if we are running in demo environment, we have to cleanup the db files (specifically the jobs table)
+ */
+export function cleanupDemoAtMidnight() {
+  cron.schedule('0 0 * * *', cleanup);
+}
+
+function cleanup() {
+  if (config.demoMode) {
+    const demoUser = getUsers(false).find((user) => user.username === 'demo');
+    if (demoUser == null) {
+      logger.error('Demo user not found, cannot remove Jobs');
+      return;
+    }
+    removeJobsByUserId(demoUser.id);
+  }
+}

lib/services/crons/listing-alive-cron.js

@@ -0,0 +1,13 @@
+import cron from 'node-cron';
+import runActiveChecker from '../listings/listingActiveService.js';
+
+async function runTask() {
+  await runActiveChecker();
+}
+
+export async function initActiveCheckerCron() {
+  //run directly on start
+  await runTask();
+  // then every day at 1 am
+  cron.schedule('0 1 * * *', runTask);
+}

lib/services/crons/tracker-cron.js

@@ -1,6 +1,6 @@
 import cron from 'node-cron';
 import { config, inDevMode } from '../../utils.js';
-import { trackMainEvent } from './Tracker.js';
+import { trackMainEvent } from '../tracking/Tracker.js';
 
 async function runTask() {
   //make sure to only send tracking events if the user gave us the green light and we are not in dev mode

lib/services/demoCleanup.js

@@ -1,38 +0,0 @@
-import { setInterval } from 'node:timers';
-import { removeJobsByUserName } from './storage/jobStorage.js';
-import { config } from '../utils.js';
-import { getUsers } from './storage/userStorage.js';
-import logger from './logger.js';
-
-/**
- * if we are running in demo environment, we have to cleanup the db files (specifically the jobs table)
- */
-export function cleanupDemoAtMidnight() {
-  const now = new Date();
-  const millisUntilMidnightUTC =
-    (24 - now.getUTCHours()) * 60 * 60 * 1000 -
-    now.getUTCMinutes() * 60 * 1000 -
-    now.getUTCSeconds() * 1000 -
-    now.getUTCMilliseconds();
-
-  cleanup();
-  setTimeout(() => {
-    setInterval(
-      () => {
-        cleanup();
-      },
-      24 * 60 * 60 * 1000,
-    );
-  }, millisUntilMidnightUTC);
-}
-
-function cleanup() {
-  if (config.demoMode) {
-    const demoUser = getUsers(false).find((user) => user.username === 'demo');
-    if (demoUser == null) {
-      logger.error('Demo user not found, cannot remove Jobs');
-      return;
-    }
-    removeJobsByUserName(demoUser.id);
-  }
-}

lib/services/events/event-bus.js

@@ -0,0 +1,2 @@
+import { EventEmitter } from 'node:events';
+export const bus = new EventEmitter();

lib/services/extractor/parser/parser.js

@@ -9,19 +9,19 @@ export function loadParser(text) {
 
 export function parse(crawlContainer, crawlFields, text, url) {
   if (!text) {
-    logger.warn('No content found for ', url);
+    logger.debug('No content found for ', url);
     return null;
   }
 
   if (!crawlContainer || !crawlFields) {
-    logger.warn('Cannot parse, selector was empty for url ', url);
+    logger.debug('Cannot parse, selector was empty for url ', url);
     return null;
   }
 
   const result = [];
 
   if ($(crawlContainer).length === 0) {
-    logger.warn('No elements in crawl container found for url ', url);
+    logger.debug('No elements in crawl container found for url ', url);
     return null;
   }
 

lib/services/extractor/puppeteerExtractor.js

@@ -2,30 +2,56 @@ import puppeteer from 'puppeteer-extra';
 import StealthPlugin from 'puppeteer-extra-plugin-stealth';
 import { debug, DEFAULT_HEADER, botDetected } from './utils.js';
 import logger from '../logger.js';
+import fs from 'fs';
+import os from 'os';
+import path from 'path';
 
 puppeteer.use(StealthPlugin());
 
 export default async function execute(url, waitForSelector, options) {
   let browser;
+  let page;
+  let result = null;
+  let userDataDir;
+  let removeUserDataDir = false;
   try {
     debug(`Sending request to ${url} using Puppeteer.`);
 
+    // Prepare a dedicated temporary userDataDir to avoid leaking /tmp/.org.chromium.* dirs
+    if (options && options.userDataDir) {
+      userDataDir = options.userDataDir;
+      removeUserDataDir = !!options.cleanupUserDataDir;
+    } else {
+      const prefix = path.join(os.tmpdir(), 'puppeteer-fredy-');
+      userDataDir = fs.mkdtempSync(prefix);
+      removeUserDataDir = true;
+    }
+
     browser = await puppeteer.launch({
       headless: options.puppeteerHeadless ?? true,
-      args: ['--no-sandbox', '--disable-gpu', '--disable-setuid-sandbox'],
+      args: [
+        '--no-sandbox',
+        '--disable-gpu',
+        '--disable-setuid-sandbox',
+        '--disable-dev-shm-usage',
+        '--disable-crash-reporter',
+      ],
       timeout: options.puppeteerTimeout || 30_000,
+      userDataDir,
     });
-    let page = await browser.newPage();
+    page = await browser.newPage();
     await page.setExtraHTTPHeaders(DEFAULT_HEADER);
     const response = await page.goto(url, {
       waitUntil: 'domcontentloaded',
     });
     let pageSource;
-    //if we're extracting data from a spa, we must wait for the selector
+    // if we're extracting data from a SPA, we must wait for the selector
     if (waitForSelector != null) {
-      await page.waitForSelector(waitForSelector);
+      const selectorTimeout = options?.puppeteerSelectorTimeout ?? options?.puppeteerTimeout ?? 30_000;
+      await page.waitForSelector(waitForSelector, { timeout: selectorTimeout });
       pageSource = await page.evaluate((selector) => {
-        return document.querySelector(selector).innerHTML;
+        const el = document.querySelector(selector);
+        return el ? el.innerHTML : '';
       }, waitForSelector);
     } else {
       pageSource = await page.content();
@@ -35,16 +61,35 @@ export default async function execute(url, waitForSelector, options) {
 
     if (botDetected(pageSource, statusCode)) {
       logger.warn('We have been detected as a bot :-/ Tried url: => ', url);
-      return null;
+      result = null;
+    } else {
+      result = pageSource || (await page.content());
     }
-
-    return await page.content();
   } catch (error) {
     logger.error('Error executing with puppeteer executor', error);
-    return null;
+    result = null;
   } finally {
-    if (browser != null) {
-      await browser.close();
+    try {
+      if (page) {
+        await page.close();
+      }
+    } catch {
+      // ignore
+    }
+    try {
+      if (browser != null) {
+        await browser.close();
+      }
+    } catch {
+      // ignore
+    }
+    try {
+      if (removeUserDataDir && userDataDir) {
+        await fs.promises.rm(userDataDir, { recursive: true, force: true });
+      }
+    } catch {
+      // ignore
     }
   }
+  return result;
 }

lib/services/immoscout/immoscout-web-translator.js

@@ -60,6 +60,7 @@ https://api.mobile.immobilienscout24.de/search/map/v3?publishedafter=2025-05-14T
  https://api.mobile.immobilienscout24.de/search/map/v3?features=disableNHBGrouping,nextGen,fairPrice,listingsInListFirstSummary,xxlListingType,contactDetails&publishedafter=2025-05-14T09:19:43&sorting=standard&pagesize=300&searchType=shape&realEstateType=housebuy&pagenumber=1&shape=%7D%7BjwHy%7Cqh@jCKdCgAvB_BdB%7DBzAaCjAqCfAqC~@uCt@iCh@eCZkCLyC?_EO%7DEa@%7DEa@iE_@%7BD%5DaDe@gDi@gDo@uCu@kBcB_AeDOiE?iDCgCMuBOkDCkG?yFRgD%60@cB%5C%7BA%60@eBx@aB%7C@kAbAy@rAe@bBUxCAhE?dFh@fGlAzGbBbHlBxGdB%60FrAhDz@xBh@nAf@l@RNNXkCkMJR~B%7CEnCpErCnDtClCvC~ApCh@rCJpC?
  */
 import queryString from 'query-string';
+import { nullOrEmpty } from '../../utils.js';
 
 const PARAM_NAME_MAP = {
   heatingtypes: 'heatingtypes',
@@ -193,3 +194,14 @@ export function convertWebToMobile(webUrl) {
 
   return `https://api.mobile.immobilienscout24.de/search/list?${mobileQuery}`;
 }
+
+export function convertImmoscoutListingToMobileListing(url) {
+  if (nullOrEmpty(url)) {
+    return null;
+  }
+
+  return url.replace(
+    /^https:\/\/www\.immobilienscout24\.de\/expose\//,
+    'https://api.mobile.immobilienscout24.de/expose/',
+  );
+}

lib/services/listings/listingActiveService.js

@@ -0,0 +1,104 @@
+import { deactivateListings, getActiveOrUnknownListings } from '../storage/listingsStorage.js';
+import { getProviders } from '../../utils.js';
+import logger from '../../services/logger.js';
+
+/**
+ * Runs the active-listing checker:
+ * 1) Loads all listings with unknown or active status.
+ * 2) Resolves each listing's provider and calls its `activeTester(link)`.
+ * 3) Collects listings that are no longer active and deactivates them in one batch.
+ *
+ * Concurrency: network-bound checks are executed with a configurable concurrency limit.
+ *
+ * @param {object} [opts]
+ * @param {number} [opts.concurrency=8] Max number of parallel activeTester calls.
+ * @returns {Promise<void>}
+ */
+export default async function runActiveChecker(opts = {}) {
+  const { concurrency = 4 } = opts;
+
+  const listings = getActiveOrUnknownListings();
+  if (!Array.isArray(listings) || listings.length === 0) {
+    logger.debug('No listings to check.');
+    return;
+  }
+
+  const providers = await getProviders();
+  if (!Array.isArray(providers) || providers.length === 0) {
+    logger.warn('No providers available. Skipping active checks.');
+    return;
+  }
+
+  // Build a map for O(1) provider lookup by id
+  /** @type {Record<string, any>} */
+  const providerById = Object.create(null);
+  for (const p of providers) {
+    const id = p?.metaInformation?.id;
+    if (id) providerById[id] = p;
+  }
+
+  // Small generic mapLimit to cap concurrency without extra deps
+  /**
+   * @template T, R
+   * @param {T[]} items
+   * @param {number} limit
+   * @param {(item: T, index: number) => Promise<R>} worker
+   * @returns {Promise<R[]>}
+   */
+  async function mapLimit(items, limit, worker) {
+    const results = new Array(items.length);
+    let next = 0;
+
+    async function runOne() {
+      while (next < items.length) {
+        const i = next++;
+        try {
+          results[i] = await worker(items[i], i);
+        } catch (err) {
+          results[i] = /** @type {any} */ (err);
+        }
+      }
+    }
+
+    const runners = Array.from({ length: Math.min(limit, items.length) }, runOne);
+    await Promise.all(runners);
+    return results;
+  }
+
+  /** @type {string[]} */
+  const listingsSetToInactive = [];
+
+  await mapLimit(listings, concurrency, async (listing) => {
+    const { provider: listingProviderId, link, id } = listing || {};
+
+    const matchedProvider = providerById[listingProviderId];
+    if (!matchedProvider) {
+      logger.warn('Could not find matching provider for', listingProviderId);
+      return;
+    }
+    const tester = matchedProvider?.config?.activeTester;
+    if (typeof tester !== 'function') {
+      logger.warn('No activeTester configured for', listingProviderId);
+      return;
+    }
+
+    // Contract: activeTester(link) returns 1 if active, 0 if inactive
+    let result;
+    try {
+      result = await tester(link);
+    } catch {
+      result = -1;
+    }
+
+    if (result === 0 && id) {
+      listingsSetToInactive.push(id);
+    }
+  });
+
+  if (listingsSetToInactive.length > 0) {
+    logger.info(`Setting ${listingsSetToInactive.length} listings to inactive.`);
+    deactivateListings(listingsSetToInactive);
+  } else {
+    logger.debug('No listings need to be set inactive.');
+  }
+}

lib/services/listings/listingActiveTester.js

@@ -0,0 +1,68 @@
+import fetch from 'node-fetch';
+import { randomBetween, sleep } from '../../utils.js';
+
+const maxAttempts = 3;
+
+/**
+ * Check if a listing is still active with up to 3 attempts and exponential backoff.
+ * Backoff waits are capped and the last wait is at most 2000 ms.
+ *
+ * Rules:
+ * - HTTP 200 => return 1
+ * - HTTP 401/403 => return -1 (most certainly detected as a bot)
+ * - HTTP 404 => return 0
+ * - Other statuses or network errors => retry until attempts are exhausted
+ *
+ * @returns {Promise<Integer>} 1 if active, o if not active and -1 if detected as bot
+ */
+export default async function checkIfListingIsActive(link) {
+  await sleep(randomBetween(50, 100));
+
+  for (let attempt = 1; attempt <= maxAttempts; attempt++) {
+    try {
+      const res = await fetch(link, {
+        headers: {
+          'User-Agent':
+            'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36',
+          'Accept-Language': 'de-DE,de;q=0.9,en;q=0.8',
+        },
+      });
+
+      if (res.status === 200) {
+        return 1;
+      }
+      if (res.status === 401) return -1;
+      if (res.status === 403) return -1;
+      if (res.status === 404) return 0;
+
+      // For any other status, only retry if attempts remain
+      if (attempt < maxAttempts) {
+        await sleep(backoffDelay(attempt));
+        continue;
+      }
+
+      return 0;
+    } catch {
+      // Network error: retry if attempts remain
+      if (attempt < maxAttempts) {
+        await sleep(backoffDelay(attempt));
+        continue;
+      }
+      return 0;
+    }
+  }
+
+  return 0;
+}
+
+/**
+ * Exponential backoff delay with cap.
+ * attempt: 1 -> 500ms, 2 -> 1000ms, 3 -> 2000ms (cap)
+ * @param {number} attempt 1-based attempt index
+ * @returns {number} delay in ms
+ */
+function backoffDelay(attempt) {
+  const base = 500;
+  const cap = 2000;
+  return Math.min(base * 2 ** (attempt - 1), cap);
+}

lib/services/logger.js

@@ -6,6 +6,7 @@ const COLORS = {
   reset: '\x1b[0m',
 };
 
+const env = process.env.NODE_ENV || 'development';
 const useColor = process.stdout.isTTY || process.stderr.isTTY;
 
 function ts() {
@@ -27,6 +28,10 @@ function lvl(level) {
 
 /* eslint-disable no-console */
 function log(level, ...args) {
+  if (level === 'debug' && env !== 'development') {
+    return; // Skip debug logs in non-development environments
+  }
+
   const prefix = `[${ts()}] ${lvl(level)}:`;
   switch (level) {
     case 'debug':
@@ -52,10 +57,3 @@ export default {
   warn: (...a) => log('warn', ...a),
   error: (...a) => log('error', ...a),
 };
-
-// Beispiel:
-// import logger from './logger.js';
-// const a = 'fick';
-// const b = { tr: 'lolo' };
-// logger.info('hallo', a, b);
-// -> In IntelliJ siehst du das Objekt wie bei console.info, plus Prefix

lib/services/storage/LowDashAdapter.js

@@ -1,8 +0,0 @@
-import lodash from 'lodash';
-import { LowSync } from 'lowdb';
-export default class LowdashAdapter extends LowSync {
-  constructor(adapter, defaultData = {}) {
-    super(adapter, defaultData);
-    this.chain = lodash.chain(this).get('data');
-  }
-}

lib/services/storage/SqliteConnection.js

@@ -0,0 +1,140 @@
+import fs from 'fs';
+import path from 'path';
+import Database from 'better-sqlite3';
+import logger from '../../services/logger.js';
+import { config } from '../../utils.js';
+
+/**
+ * SqliteConnection
+ * A small, high-performance wrapper around better-sqlite3 that provides a
+ * singleton connection, sensible PRAGMA tuning, and helper methods. This
+ * module is safe to import and reuse.
+ *
+ * Performance notes:
+ * - journal_mode = WAL: allows concurrent readers with a single writer and
+ *   yields better performance for server apps.
+ * - synchronous = NORMAL: trades a bit of durability for significant speed
+ *   while still being safe in most environments.
+ * - cache_size = -64000: ~64MB page cache (negative value sets KB) to improve
+ *   query performance for frequent reads.
+ * - foreign_keys = ON: ensure referential integrity is enforced.
+ * - optimize: runs SQLite's auto-analysis and purges internal caches. It is
+ *   cheap; we call it at startup and before process exit. You can also call
+ *   optimize() manually after large schema changes or bulk operations.
+ */
+class SqliteConnection {
+  static #db = null;
+
+  /**
+   * Returns a singleton instance of better-sqlite3 Database.
+   * Respects env var SQLITE_DB_PATH and defaults to db/listings.db.
+   */
+  static getConnection() {
+    if (this.#db) return this.#db;
+
+    // Interpret config.sqlitepath as a directory relative to project root when it starts with '/'
+    const cfg = typeof config === 'object' && config ? config.sqlitepath : undefined;
+    const rawDir = cfg && cfg.length > 0 ? cfg : '/db';
+    const relDir = rawDir.startsWith('/') ? rawDir.slice(1) : rawDir;
+    const absDir = path.isAbsolute(relDir) ? relDir : path.join(process.cwd(), relDir);
+    const dbPath = path.join(absDir, 'listings.db');
+
+    // Ensure directory exists
+    const dir = path.dirname(dbPath);
+    if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
+
+    // Open the database synchronously (better-sqlite3 is sync and very fast)
+    this.#db = new Database(dbPath, { verbose: undefined });
+
+    // Apply high-performance PRAGMA's
+    try {
+      this.#db.pragma('journal_mode = WAL');
+      this.#db.pragma('synchronous = NORMAL');
+      this.#db.pragma('cache_size = -64000');
+      this.#db.pragma('foreign_keys = ON');
+      this.#db.pragma('optimize');
+    } catch (e) {
+      logger.warn('Failed to apply one or more PRAGMAs:', e.message);
+    }
+
+    // Run optimize on exit to persist analysis and cleanup internal caches.
+    process.once('beforeExit', () => {
+      try {
+        this.#db?.pragma('optimize');
+      } catch (e) {
+        logger.debug('PRAGMA optimize on exit failed:', e.message);
+      }
+    });
+
+    return this.#db;
+  }
+
+  /**
+   * Execute a write statement (INSERT/UPDATE/DELETE/DDL). Returns better-sqlite3 run info.
+   */
+  static execute(sql, params = {}) {
+    const db = this.getConnection();
+    return db.prepare(sql).run(params);
+  }
+
+  /**
+   * Execute a query and returns all rows.
+   */
+  static query(sql, params = {}) {
+    const db = this.getConnection();
+    return db.prepare(sql).all(params);
+  }
+
+  /**
+   * Check whether a table exists.
+   */
+  static tableExists(tableName) {
+    const db = this.getConnection();
+    const row = db.prepare("SELECT 1 FROM sqlite_master WHERE type = 'table' AND name = ?").get(tableName);
+    return !!row;
+  }
+
+  /**
+   * Run the given callback inside a transaction. The callback receives the Database instance.
+   * If the callback throws, the transaction is rolled back and the error re-thrown.
+   */
+  static withTransaction(callback) {
+    const db = this.getConnection();
+    const trx = db.transaction((cb) => cb(db));
+    return trx(callback);
+  }
+
+  /**
+   * Run SQLite PRAGMA optimize. See https://sqlite.org/pragma.html#pragma_optimize
+   *
+   * Explanation: PRAGMA optimize triggers internal housekeeping, such as
+   * recomputing query planner statistics (similar to ANALYZE) when appropriate
+   * and purging unused pages from caches. It is inexpensive and can improve
+   * performance after schema changes or heavy write activity.
+   */
+  static optimize() {
+    const db = this.getConnection();
+    try {
+      db.pragma('optimize');
+    } catch (e) {
+      logger.warn('PRAGMA optimize failed:', e.message);
+    }
+  }
+
+  /**
+   * Close the database connection. Typically not needed for long-running apps.
+   */
+  static close() {
+    if (this.#db) {
+      try {
+        this.#db.pragma('optimize');
+      } catch (e) {
+        logger.debug('PRAGMA optimize before close failed:', e.message);
+      }
+      this.#db.close();
+      this.#db = null;
+    }
+  }
+}
+
+export default SqliteConnection;

lib/services/storage/jobStorage.js

@@ -1,106 +1,144 @@
-import { JSONFileSync } from 'lowdb/node';
 import { nanoid } from 'nanoid';
-import * as listingStorage from './listingsStorage.js';
-import { getDirName } from '../../utils.js';
-import path from 'path';
-import LowdashAdapter from './LowDashAdapter.js';
+import SqliteConnection from './SqliteConnection.js';
 import logger from '../logger.js';
+import { toJson, fromJson } from '../../utils.js';
 
-const file = path.join(getDirName(), '../', 'db/jobs.json');
-const adapter = new JSONFileSync(file);
-const db = new LowdashAdapter(adapter, { jobs: [] });
-
-db.read();
-
+/**
+ * Insert or update a job. Preserves original owner (userId) when updating an existing job.
+ *
+ * @param {Object} params
+ * @param {string} [params.jobId] - Existing job id to update; omit to insert a new job.
+ * @param {string} [params.name] - Job display name.
+ * @param {Array<any>} [params.blacklist] - Blacklist entries; defaults to empty array.
+ * @param {boolean} [params.enabled] - Whether the job is enabled; defaults to true.
+ * @param {Array<any>} params.provider - Provider configuration list.
+ * @param {Array<any>} params.notificationAdapter - Notification adapter configuration list.
+ * @param {string} params.userId - Owner user id for inserts; preserved on updates.
+ * @returns {void}
+ */
 export const upsertJob = ({ jobId, name, blacklist = [], enabled = true, provider, notificationAdapter, userId }) => {
-  const currentJob =
-    jobId == null
-      ? null
-      : db.chain
-          .get('jobs')
-          .find((job) => job.id === jobId)
-          .value();
-  const jobs = db.chain
-    .get('jobs')
-    .filter((job) => job.id !== jobId)
-    .value();
-  jobs.push({
-    id: jobId || nanoid(),
-    //make sure to not overwrite the user id in case an admin changes the job
-    userId: currentJob == null ? userId : currentJob.userId,
-    enabled,
-    name,
-    blacklist,
-    provider,
-    notificationAdapter,
-  });
-  db.chain.set('jobs', jobs).value();
-  db.write();
-};
-export const getJob = (jobId) => {
-  const job = db.chain
-    .get('jobs')
-    .find((job) => job.id === jobId)
-    .value();
-  if (job == null) {
-    return null;
+  const id = jobId || nanoid();
+  const existing = SqliteConnection.query(`SELECT id, user_id FROM jobs WHERE id = @id LIMIT 1`, { id })[0];
+  const ownerId = existing ? existing.user_id : userId;
+  if (existing) {
+    SqliteConnection.execute(
+      `UPDATE jobs
+         SET enabled = @enabled,
+             name = @name,
+             blacklist = @blacklist,
+             provider = @provider,
+             notification_adapter = @notification_adapter
+       WHERE id = @id`,
+      {
+        id,
+        enabled: enabled ? 1 : 0,
+        name: name ?? null,
+        blacklist: toJson(blacklist ?? []),
+        provider: toJson(provider ?? []),
+        notification_adapter: toJson(notificationAdapter ?? []),
+      },
+    );
+  } else {
+    SqliteConnection.execute(
+      `INSERT INTO jobs (id, user_id, enabled, name, blacklist, provider, notification_adapter)
+       VALUES (@id, @user_id, @enabled, @name, @blacklist, @provider, @notification_adapter)`,
+      {
+        id,
+        user_id: ownerId,
+        enabled: enabled ? 1 : 0,
+        name: name ?? null,
+        blacklist: toJson(blacklist ?? []),
+        provider: toJson(provider ?? []),
+        notification_adapter: toJson(notificationAdapter ?? []),
+      },
+    );
   }
+};
+
+/**
+ * Get a single job by id.
+ * @param {string} jobId - Job primary key.
+ * @returns {Job|null} The job or null if not found.
+ */
+export const getJob = (jobId) => {
+  const row = SqliteConnection.query(
+    `SELECT j.id,
+            j.user_id AS userId,
+            j.enabled,
+            j.name,
+            j.blacklist,
+            j.provider,
+            j.notification_adapter AS notificationAdapter,
+            (SELECT COUNT(1) FROM listings l WHERE l.job_id = j.id) AS numberOfFoundListings
+       FROM jobs j
+      WHERE j.id = @id
+      LIMIT 1`,
+    { id: jobId },
+  )[0];
+  if (!row) return null;
   return {
-    ...job,
-    numberOfFoundListings: listingStorage.getNumberOfAllKnownListings(job.id).length,
+    ...row,
+    enabled: !!row.enabled,
+    blacklist: fromJson(row.blacklist, []),
+    provider: fromJson(row.provider, []),
+    notificationAdapter: fromJson(row.notificationAdapter, []),
   };
 };
+
+/**
+ * Update job enabled status.
+ * @param {{jobId: string, status: boolean}} params - Parameters.
+ * @returns {void}
+ */
 export const setJobStatus = ({ jobId, status }) => {
-  db.chain
-    .get('jobs')
-    .find((job) => job.id === jobId)
-    .assign({ enabled: status })
-    .value();
-  db.write();
+  SqliteConnection.execute(`UPDATE jobs SET enabled = @enabled WHERE id = @id`, {
+    id: jobId,
+    enabled: status ? 1 : 0,
+  });
 };
+
+/**
+ * Remove a job by id. Listings are deleted automatically due to FK ON DELETE CASCADE.
+ * @param {string} jobId - Job id.
+ * @returns {void}
+ */
 export const removeJob = (jobId) => {
-  listingStorage.removeListings(jobId);
-  db.chain
-    .get('jobs')
-    .remove((job) => job.id === jobId)
-    .value();
-  db.write();
+  // listings table has FK ON DELETE CASCADE via job_id
+  SqliteConnection.execute(`DELETE FROM jobs WHERE id = @id`, { id: jobId });
 };
+
 export const removeJobsByUserId = (userId) => {
-  db.chain
-    .get('jobs')
-    .filter((job) => job.userId === userId)
-    .forEach((job) => listingStorage.removeListings(job.id));
-  db.chain
-    .get('jobs')
-    .remove((job) => job.userId === userId)
-    .value();
-  db.write();
-};
-export const removeJobsByUserName = (userId) => {
-  let removedDemoJobs = 0;
-  db.chain
-    .get('jobs')
-    .filter((job) => job.userId === userId)
-    .forEach((job) => {
-      removedDemoJobs++;
-      listingStorage.removeListings(job.id);
-    });
-  db.chain
-    .get('jobs')
-    .remove((job) => job.userId === userId)
-    .value();
-  db.write();
-  if (removedDemoJobs > 0) {
-    logger.info(`Removed ${removedDemoJobs} demo jobs`);
+  // Count jobs to log similar to previous behavior
+  const count =
+    SqliteConnection.query(`SELECT COUNT(1) AS c FROM jobs WHERE user_id = @user_id`, { user_id: userId })[0]?.c ?? 0;
+  SqliteConnection.execute(`DELETE FROM jobs WHERE user_id = @user_id`, { user_id: userId });
+  if (count > 0) {
+    logger.info(`Removed ${count} jobs for user ${userId}`);
   }
 };
+
+/**
+ * Get all jobs.
+ * @returns {Job[]} List of jobs ordered by name (NULLs last).
+ */
 export const getJobs = () => {
-  return db.chain
-    .get('jobs')
-    .map((job) => ({
-      ...job,
-      numberOfFoundListings: listingStorage.getNumberOfAllKnownListings(job.id),
-    }))
-    .value();
+  const rows = SqliteConnection.query(
+    `SELECT j.id,
+            j.user_id AS userId,
+            j.enabled,
+            j.name,
+            j.blacklist,
+            j.provider,
+            j.notification_adapter AS notificationAdapter,
+            (SELECT COUNT(1) FROM listings l WHERE l.job_id = j.id) AS numberOfFoundListings
+       FROM jobs j
+       ORDER BY j.name IS NULL, j.name`,
+  );
+  return rows.map((row) => ({
+    ...row,
+    enabled: !!row.enabled,
+    blacklist: fromJson(row.blacklist, []),
+    provider: fromJson(row.provider, []),
+    notificationAdapter: fromJson(row.notificationAdapter, []),
+  }));
 };

lib/services/storage/listingsStorage.js

@@ -1,52 +1,331 @@
-import { JSONFileSync } from 'lowdb/node';
-import { getDirName } from '../../utils.js';
-import path from 'path';
-import LowdashAdapter from './LowDashAdapter.js';
+import { nullOrEmpty } from '../../utils.js';
+import SqliteConnection from './SqliteConnection.js';
+import { nanoid } from 'nanoid';
 
-const file = path.join(getDirName(), '../', 'db/jobListingData.json');
-const adapter = new JSONFileSync(file);
-const db = new LowdashAdapter(adapter, {});
-
-db.read();
-
-const buildKey = (jobKey, providerId, endpoint) => {
-  let key = `${jobKey}`;
-  if (jobKey == null && endpoint == null) {
-    return key;
-  }
-  if (providerId != null) {
-    key += `.${providerId}`;
-  }
-  if (endpoint != null) {
-    key += `.${endpoint}`;
-  }
-  return key;
-};
-export const getNumberOfAllKnownListings = (jobId) => {
-  const data = db.chain.get(`${jobId}.providerData`).value() || {};
-  return Object.values(data)
-    .map((values) => Object.keys(values).length)
-    .reduce((accumulator, currentValue) => accumulator + currentValue, 0);
-};
+/**
+ * Build analytics data for a given job by grouping all listings by provider and
+ * mapping each listing hash to its creation timestamp.
+ *
+ * SQL shape:
+ * SELECT json_group_object(provider, json_object(hash, created_at)) AS result
+ * FROM listings WHERE job_id = @jobId;
+ *
+ * The resulting object has the shape:
+ * {
+ *   providerA: { "<hash1>": <created_at_ms>, "<hash2>": <created_at_ms>, ... },
+ *   providerB: { ... }
+ * }
+ *
+ * @param {string} jobId - ID of the job whose listings should be aggregated.
+ * @returns {Record<string, Record<string, number>>} Object grouped by provider mapping listing-hash -> created_at epoch ms.
+ */
 export const getListingProviderDataForAnalytics = (jobId) => {
-  const key = buildKey(jobId, 'providerData');
-  return db.chain.get(key).value() || {};
+  const row = SqliteConnection.query(
+    `SELECT COALESCE(
+              json_group_object(provider, json(provider_map)),
+              json('{}')
+            ) AS result
+     FROM (SELECT provider,
+                  json_group_object(hash, created_at) AS provider_map
+           FROM listings
+           WHERE job_id = @jobId
+           GROUP BY provider);`,
+    { jobId },
+  );
+
+  return row?.length > 0 ? JSON.parse(row[0].result) : {};
 };
-export const getKnownListings = (jobId, providerId) => {
-  const providerListingsKey = buildKey(jobId, 'providerData', providerId, 'listings');
-  return db.chain.get(providerListingsKey).value() || {};
+
+/**
+ * Return a list of known listing hashes for a given job and provider.
+ * Useful to de-duplicate before inserting new listings.
+ *
+ * @param {string} jobId - The job identifier.
+ * @param {string} providerId - The provider identifier (e.g., 'immoscout').
+ * @returns {string[]} Array of listing hashes.
+ */
+export const getKnownListingHashesForJobAndProvider = (jobId, providerId) => {
+  return SqliteConnection.query(
+    `SELECT hash
+     FROM listings
+     WHERE job_id = @jobId
+       AND provider = @providerId`,
+    { jobId, providerId },
+  ).map((r) => r.hash);
 };
-export const setKnownListings = (jobId, providerId, listings) => {
-  const providerListingsKey = buildKey(jobId, 'providerData', providerId, 'listings');
-  db.chain.set(providerListingsKey, listings).value();
-  return db.write();
+
+/**
+ * Return a list of listing that either are active or have an unknown status
+ * to constantly check if they are still online
+ *
+ * @returns {string[]} Array of listings
+ */
+export const getActiveOrUnknownListings = () => {
+  return SqliteConnection.query(
+    `SELECT *
+     FROM listings
+     WHERE is_active is null
+        OR is_active = 1
+     ORDER BY provider`,
+  );
 };
-export const setLastJobExecution = (jobId) => {
-  const key = buildKey(jobId, null, 'lastExecution');
-  db.chain.set(key, Date.now()).value();
-  return db.write();
+
+/**
+ * Deactivates listings by setting is_active = 0 for all matching IDs.
+ *
+ * @param {string[]} ids - Array of listing IDs to deactivate.
+ * @returns {object[]} Result of the SQLite query execution.
+ */
+export const deactivateListings = (ids) => {
+  const placeholders = ids.map(() => '?').join(',');
+  return SqliteConnection.execute(
+    `UPDATE listings
+     SET is_active = 0
+     WHERE id IN (${placeholders})`,
+    ids,
+  );
 };
-export const removeListings = (jobId) => {
-  db.chain.unset(jobId).value();
-  db.write();
+
+/**
+ * Persist a batch of scraped listings for a given job and provider.
+ *
+ * - Empty or non-array inputs are ignored.
+ * - Each listing is inserted with ON CONFLICT(hash) DO NOTHING to avoid duplicates.
+ * - Performs inserts in a single transaction for performance.
+ *
+ * Listing input shape (minimal expected):
+ * {
+ *   id: string,            // unique id
+ *   hash: string           // stable hash/id of the listing (used as unique hash)
+ *   price?: string,        // e.g., "1.234 €" or "1,234€"
+ *   size?: string,         // e.g., "70 m²"
+ *   title?: string,
+ *   image?: string,        // image URL
+ *   description?: string,
+ *   address?: string,      // free-text address possibly containing parentheses
+ *   link?: string
+ * }
+ *
+ * @param {string} jobId - The job identifier.
+ * @param {string} providerId - The provider identifier.
+ * @param {Array<Object>} listings - Array of listing objects as described above.
+ * @returns {void}
+ */
+export const storeListings = (jobId, providerId, listings) => {
+  if (!Array.isArray(listings) || listings.length === 0) {
+    return;
+  }
+
+  SqliteConnection.withTransaction((db) => {
+    const stmt = db.prepare(
+      `INSERT INTO listings (id, hash, provider, job_id, price, size, title, image_url, description, address,
+                             link, created_at, is_active)
+       VALUES (@id, @hash, @provider, @job_id, @price, @size, @title, @image_url, @description, @address, @link,
+               @created_at, 1)
+       ON CONFLICT(job_id, hash) DO NOTHING`,
+    );
+
+    for (const item of listings) {
+      const params = {
+        id: nanoid(),
+        hash: item.id,
+        provider: providerId,
+        job_id: jobId,
+        price: extractNumber(item.price),
+        size: extractNumber(item.size),
+        title: item.title,
+        image_url: item.image,
+        description: item.description,
+        address: removeParentheses(item.address),
+        link: item.link,
+        created_at: Date.now(),
+      };
+      stmt.run(params);
+    }
+  });
+
+  /**
+   * Extract the first number from a string like "1.234 €" or "70 m²".
+   * Removes dots/commas before parsing. Returns null on invalid input.
+   * @param {string|undefined|null} str
+   * @returns {number|null}
+   */
+  function extractNumber(str) {
+    if (!str) return null;
+    const match = str.replace(/[.,]/g, '').match(/\d+/);
+    return match ? +match[0] : null;
+  }
+
+  /**
+   * Remove any parentheses segments (including surrounding whitespace) from a string.
+   * Returns null for empty input.
+   * @param {string|undefined|null} str
+   * @returns {string|null}
+   */
+  function removeParentheses(str) {
+    if (nullOrEmpty(str)) {
+      return null;
+    }
+    return str.replace(/\s*\([^)]*\)/g, '');
+  }
+};
+
+/**
+ * Query listings with pagination, filtering and sorting.
+ *
+ * @param {Object} params
+ * @param {number} [params.pageSize=50]
+ * @param {number} [params.page=1]
+ * @param {string} [params.freeTextFilter]
+ * @param {object} [params.activityFilter]
+ * @param {object} [params.jobNameFilter]
+ * @param {object} [params.providerFilter]
+ * @param {object} [params.watchListFilter]
+ * @param {string|null} [params.sortField=null] - One of: 'created_at','price','size','provider','title'.
+ * @param {('asc'|'desc')} [params.sortDir='asc']
+ * @param {string} [params.userId] - Current user id used to scope listings (ignored for admins).
+ * @param {boolean} [params.isAdmin=false] - When true, returns all listings.
+ * @returns {{ totalNumber:number, page:number, result:Object[] }}
+ */
+export const queryListings = ({
+  pageSize = 50,
+  page = 1,
+  activityFilter,
+  jobNameFilter,
+  jobIdFilter,
+  providerFilter,
+  watchListFilter,
+  freeTextFilter,
+  sortField = null,
+  sortDir = 'asc',
+  userId = null,
+  isAdmin = false,
+} = {}) => {
+  // sanitize inputs
+  const safePageSize = Number.isFinite(pageSize) && pageSize > 0 ? Math.min(500, Math.floor(pageSize)) : 50;
+  const safePage = Number.isFinite(page) && page > 0 ? Math.floor(page) : 1;
+  const offset = (safePage - 1) * safePageSize;
+
+  // build WHERE filter across common text columns
+  const whereParts = [];
+  const params = { limit: safePageSize, offset };
+  // always provide userId param for watched-flag evaluation (null -> no matches)
+  params.userId = userId || '__NO_USER__';
+  // user scoping (non-admin only): restrict to listings whose job belongs to user
+  if (!isAdmin) {
+    whereParts.push(`(j.user_id = @userId)`);
+  }
+  if (freeTextFilter && String(freeTextFilter).trim().length > 0) {
+    params.filter = `%${String(freeTextFilter).trim()}%`;
+    whereParts.push(`(title LIKE @filter OR address LIKE @filter OR provider LIKE @filter OR link LIKE @filter)`);
+  }
+  // activityFilter: when true -> only active listings (is_active = 1)
+  if (activityFilter === true) {
+    whereParts.push('(is_active = 1)');
+  }
+  // Prefer filtering by job id when provided (unambiguous and robust)
+  if (jobIdFilter && String(jobIdFilter).trim().length > 0) {
+    params.jobId = String(jobIdFilter).trim();
+    whereParts.push('(l.job_id = @jobId)');
+  } else if (jobNameFilter && String(jobNameFilter).trim().length > 0) {
+    // Fallback to exact job name match
+    params.jobName = String(jobNameFilter).trim();
+    whereParts.push('(j.name = @jobName)');
+  }
+  // providerFilter: when provided as string (assumed provider name), filter listings where provider equals that name (exact match)
+  if (providerFilter && String(providerFilter).trim().length > 0) {
+    params.providerName = String(providerFilter).trim();
+    whereParts.push('(provider = @providerName)');
+  }
+  // watchListFilter: when true -> only watched listings
+  if (watchListFilter === true) {
+    whereParts.push('(wl.id IS NOT NULL)');
+  }
+
+  const whereSql = whereParts.length ? `WHERE ${whereParts.join(' AND ')}` : '';
+  const whereSqlWithAlias = whereSql
+    .replace(/\btitle\b/g, 'l.title')
+    .replace(/\bdescription\b/g, 'l.description')
+    .replace(/\baddress\b/g, 'l.address')
+    .replace(/\bprovider\b/g, 'l.provider')
+    .replace(/\blink\b/g, 'l.link')
+    .replace(/\bis_active\b/g, 'l.is_active')
+    .replace(/\bj\.user_id\b/g, 'j.user_id')
+    .replace(/\bj\.name\b/g, 'j.name')
+    .replace(/\bwl\.id\b/g, 'wl.id');
+
+  // whitelist sortable fields to avoid SQL injection
+  const sortable = new Set(['created_at', 'price', 'size', 'provider', 'title', 'job_name', 'is_active', 'isWatched']);
+  const safeSortField = sortField && sortable.has(sortField) ? sortField : null;
+  const safeSortDir = String(sortDir).toLowerCase() === 'desc' ? 'DESC' : 'ASC';
+  const orderSql = safeSortField ? `ORDER BY ${safeSortField} ${safeSortDir}` : 'ORDER BY created_at DESC';
+  const orderSqlWithAlias = orderSql
+    .replace(/\bcreated_at\b/g, 'l.created_at')
+    .replace(/\bprice\b/g, 'l.price')
+    .replace(/\bsize\b/g, 'l.size')
+    .replace(/\bprovider\b/g, 'l.provider')
+    .replace(/\btitle\b/g, 'l.title')
+    .replace(/\bjob_name\b/g, 'j.name')
+    // Sort by computed watch flag when requested
+    .replace(/\bisWatched\b/g, 'CASE WHEN wl.id IS NOT NULL THEN 1 ELSE 0 END');
+
+  // count total with same WHERE
+  const countRow = SqliteConnection.query(
+    `SELECT COUNT(1) as cnt
+     FROM listings l
+            LEFT JOIN jobs j ON j.id = l.job_id
+            LEFT JOIN watch_list wl ON wl.listing_id = l.id AND wl.user_id = @userId
+       ${whereSqlWithAlias}`,
+    params,
+  );
+  const totalNumber = countRow?.[0]?.cnt ?? 0;
+
+  // fetch page
+  const rows = SqliteConnection.query(
+    `SELECT l.*,
+            j.name                                        AS job_name,
+            CASE WHEN wl.id IS NOT NULL THEN 1 ELSE 0 END AS isWatched
+     FROM listings l
+            LEFT JOIN jobs j ON j.id = l.job_id
+            LEFT JOIN watch_list wl ON wl.listing_id = l.id AND wl.user_id = @userId
+       ${whereSqlWithAlias}
+         ${orderSqlWithAlias}
+     LIMIT @limit OFFSET @offset`,
+    params,
+  );
+
+  return { totalNumber, page: safePage, result: rows };
+};
+
+/**
+ * Delete all listings for a given job id.
+ *
+ * @param {string} jobId - The job identifier whose listings should be removed.
+ * @returns {any} The result from SqliteConnection.execute (may contain changes count).
+ */
+export const deleteListingsByJobId = (jobId) => {
+  if (!jobId) return;
+  return SqliteConnection.execute(
+    `DELETE
+                                   FROM listings
+                                   WHERE job_id = @jobId`,
+    { jobId },
+  );
+};
+
+/**
+ * Delete listings by a list of listing IDs.
+ *
+ * @param {string[]} ids - Array of listing IDs to delete.
+ * @returns {any} The result from SqliteConnection.execute.
+ */
+export const deleteListingsById = (ids) => {
+  if (!Array.isArray(ids) || ids.length === 0) return;
+  const placeholders = ids.map(() => '?').join(',');
+  return SqliteConnection.execute(
+    `DELETE
+                                   FROM listings
+                                   WHERE id IN (${placeholders})`,
+    ids,
+  );
 };

lib/services/storage/migrations/migrate.js

@@ -0,0 +1,185 @@
+/**
+ * Migration Runner for better-sqlite3
+ * I know there are external libs out there, but
+ * a) most of them are pretty bloated
+ * b) I wanted to have something that fit's this limited use-case
+ * c) I was searching for justifications anyway to build a migration system on my own. Don't judge me ;)
+ *
+ * Executes all migration files in lib/services/storage/migrations/sql in natural order.
+ * Each migration runs in its own transaction. If a migration fails, only that
+ * migration is rolled back and the process stops with a non-zero exit code.
+ * Already applied migrations are skipped using the schema_migrations table.
+ *
+ * Usage:
+ *   CLI: yarn run migratedb
+ *   Programmatic:
+ *     import { runMigrations } from './lib/services/storage/migrations/migrate.js';
+ *     await runMigrations();
+ *
+ * Migration file format (example: lib/services/storage/migrations/sql/1.add-users.js):
+ *   export function up(db) {
+ *     db.exec("CREATE TABLE users (id INTEGER PRIMARY KEY, name TEXT NOT NULL)");
+ *   }
+ *
+ */
+import fs from 'fs';
+import path from 'path';
+import { pathToFileURL } from 'url';
+import crypto from 'crypto';
+import SqliteConnection from '../SqliteConnection.js';
+import logger from '../../logger.js';
+
+const ROOT = path.resolve('.');
+const MIGRATIONS_DIR = path.join(ROOT, 'lib', 'services', 'storage', 'migrations', 'sql');
+
+/**
+ * Ensures that the given directory exists, creating it recursively if needed.
+ * @param {string} p - Path to the directory.
+ */
+function ensureDir(p) {
+  if (!fs.existsSync(p)) fs.mkdirSync(p, { recursive: true });
+}
+
+/**
+ * Lists all migration files in the migrations directory.
+ * Migration files must follow the format: <number>.<label>.js
+ * @returns {Array<{id:number, name:string, label:string, path:string}>}
+ */
+function listMigrationFiles() {
+  ensureDir(MIGRATIONS_DIR);
+  return fs
+    .readdirSync(MIGRATIONS_DIR)
+    .filter((f) => /^\d+\..+\.js$/.test(f))
+    .map((file) => {
+      const [idStr, ...rest] = file.split('.');
+      const id = Number.parseInt(idStr, 10);
+      const label = rest.slice(0, -1).join('.');
+      const fullPath = path.join(MIGRATIONS_DIR, file);
+      return { id, name: file, label, path: fullPath };
+    })
+    .sort((a, b) => (a.id === b.id ? a.name.localeCompare(b.name) : a.id - b.id));
+}
+
+/**
+ * Calculates the SHA-256 checksum of a file.
+ * @param {string} filePath - Path to the file.
+ * @returns {string} Hex-encoded checksum.
+ */
+function sha256File(filePath) {
+  const buf = fs.readFileSync(filePath);
+  return crypto.createHash('sha256').update(buf).digest('hex');
+}
+
+/**
+ * Dynamically imports a migration module and returns its `up` function.
+ * @param {string} filePath - Path to the migration file.
+ * @returns {Promise<Function>} Migration function.
+ * @throws {Error} If the migration file does not export a valid function.
+ */
+async function loadMigrationModule(filePath) {
+  const testImporter = globalThis.__TEST_MIGRATE_IMPORT__;
+  const url = pathToFileURL(filePath);
+  const mod = testImporter ? await testImporter(filePath, url) : await import(url.href);
+  const fn = mod.up || mod.default;
+  if (typeof fn !== 'function') {
+    throw new Error(`Migration ${filePath} must export function up(db) or default function(db)`);
+  }
+  return fn;
+}
+
+/**
+ * Loads all previously executed migrations from the database.
+ * @returns {Map<string,string>} Map of migration name to checksum.
+ */
+function loadExecutedMigrations() {
+  const executed = new Map();
+  const hasTable = SqliteConnection.tableExists('schema_migrations');
+  if (!hasTable) return executed;
+  const rows = SqliteConnection.query('SELECT name, checksum FROM schema_migrations ORDER BY applied_at ASC');
+  for (const r of rows) executed.set(r.name, r.checksum);
+  return executed;
+}
+
+/**
+ * Executes all pending migrations.
+ * Ensures that each migration runs inside its own transaction.
+ * Already applied migrations are skipped, unless checksum updates are allowed.
+ * On success, updates the schema_migrations table and runs PRAGMA optimize.
+ */
+export async function runMigrations() {
+  ensureDir(path.join(ROOT, 'db'));
+  ensureDir(MIGRATIONS_DIR);
+
+  const files = listMigrationFiles();
+  if (files.length === 0) {
+    logger.info('No migration files found under', MIGRATIONS_DIR);
+    return;
+  }
+
+  SqliteConnection.getConnection();
+
+  const executed = loadExecutedMigrations();
+
+  let appliedMigrations = 0;
+  for (const m of files) {
+    const checksum = sha256File(m.path);
+
+    if (executed.has(m.name)) {
+      const prev = executed.get(m.name);
+      if (prev !== checksum) {
+        logger.info(`Mismatch found in migration ${m.name}. Fixing.`);
+        SqliteConnection.execute('UPDATE schema_migrations SET checksum = @checksum WHERE name = @name', {
+          checksum,
+          name: m.name,
+        });
+        executed.set(m.name, checksum);
+      }
+      continue;
+    }
+
+    appliedMigrations++;
+    logger.info(`Applying migration: ${m.name}`);
+    const fn = await loadMigrationModule(m.path);
+
+    try {
+      let duration = 0;
+      SqliteConnection.withTransaction((db) => {
+        const t0 = Date.now();
+        fn(db);
+        duration = Date.now() - t0;
+        db.prepare(
+          "INSERT INTO schema_migrations (name, checksum, applied_at, duration_ms) VALUES (?, ?, datetime('now'), ?)",
+        ).run(m.name, checksum, duration);
+      });
+      logger.info(`Migration applied: ${m.name} (${duration} ms)`);
+    } catch (e) {
+      logger.error(`Migration failed and was rolled back: ${m.name}`, e);
+      process.exitCode = 1;
+      return;
+    }
+  }
+
+  SqliteConnection.optimize();
+  if (appliedMigrations > 0) {
+    logger.info('All migrations completed successfully.');
+  }
+}
+
+/**
+ * Detects whether the current file is being executed directly via Node.js.
+ * This allows `node lib/services/storage/migrations/migrate.js` to run migrations directly.
+ * @returns {boolean} True if the file was run directly.
+ */
+const isDirectRun = (() => {
+  try {
+    const thisFile = import.meta.url;
+    const invoked = pathToFileURL(process.argv[1] || '').href;
+    return thisFile === invoked;
+  } catch {
+    return false;
+  }
+})();
+
+if (isDirectRun) {
+  await runMigrations();
+}

lib/services/storage/migrations/sql/0.init.js

@@ -0,0 +1,16 @@
+// Initial migration: creates schema_migrations table used by the migration runner.
+//
+export function up(db) {
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS schema_migrations (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      name TEXT NOT NULL UNIQUE,
+      checksum TEXT NOT NULL,
+      applied_at TEXT NOT NULL DEFAULT (datetime('now')),
+      duration_ms INTEGER NOT NULL DEFAULT 0
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_schema_migrations_applied_at
+      ON schema_migrations(applied_at);
+  `);
+}

lib/services/storage/migrations/sql/1.create-fredy-base-structure.js

@@ -0,0 +1,117 @@
+// Migration: Create fredy's base structure (users, jobs and listings) import initial
+// data from JSON files if present. (This applies only for jobs and users, for the old jobListingData,
+// I cannot migrate the data as the new format is totally different.
+
+import fs from 'fs';
+import path from 'path';
+import { toJson } from '../../../../utils.js';
+
+export function up(db) {
+  // 1) Create tables
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS users
+    (
+      id         TEXT PRIMARY KEY,
+      username   TEXT    NOT NULL,
+      password   TEXT    NOT NULL,
+      last_login INTEGER,
+      is_admin   INTEGER NOT NULL DEFAULT 0
+    );
+
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_users_username ON users (username);
+
+    CREATE TABLE IF NOT EXISTS jobs
+    (
+      id                   TEXT PRIMARY KEY,
+      user_id              TEXT    NOT NULL,
+      enabled              INTEGER NOT NULL DEFAULT 1,
+      name                 TEXT,
+      blacklist            JSONB   NOT NULL DEFAULT '[]',
+      provider             JSONB   NOT NULL DEFAULT '[]',
+      notification_adapter JSONB   NOT NULL DEFAULT '[]',
+      FOREIGN KEY (user_id) REFERENCES users (id) ON DELETE CASCADE
+    );
+
+    CREATE INDEX IF NOT EXISTS idx_jobs_user_id ON jobs (user_id);
+    CREATE INDEX IF NOT EXISTS idx_jobs_enabled ON jobs (enabled);
+
+    CREATE TABLE IF NOT EXISTS listings
+    (
+      id          TEXT PRIMARY KEY,
+      created_at  INTEGER,
+      hash        TEXT,
+      provider    TEXT,
+      job_id      TEXT,
+      price       INTEGER,
+      size        INTEGER,
+      title       TEXT,
+      image_url   TEXT,
+      description TEXT,
+      address     TEXT,
+      link        TEXT,
+      FOREIGN KEY (job_id) REFERENCES jobs (id) ON DELETE CASCADE
+    );
+
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_listings_hash ON listings (hash);
+  `);
+
+  // 2) Optionally import data from JSON files if present for users and jobs
+  const ROOT = path.resolve('.');
+  const usersJsonPath = path.join(ROOT, 'db', 'users.json');
+  const jobsJsonPath = path.join(ROOT, 'db', 'jobs.json');
+
+  // Insert users
+  if (fs.existsSync(usersJsonPath)) {
+    try {
+      const raw = fs.readFileSync(usersJsonPath, 'utf8');
+      const json = JSON.parse(raw);
+      const arr = Array.isArray(json?.user) ? json.user : [];
+      if (arr.length > 0) {
+        const stmt = db.prepare(
+          `INSERT INTO users (id, username, password, last_login, is_admin)
+           VALUES (@id, @username, @password, @last_login, @is_admin)`,
+        );
+        for (const u of arr) {
+          stmt.run({
+            id: u.id,
+            username: u.username,
+            password: u.password,
+            last_login: u.lastLogin ?? null,
+            is_admin: u.isAdmin ? 1 : 0,
+          });
+        }
+      }
+    } catch (e) {
+      // If parsing fails, let it throw to rollback the migration
+      throw new Error(`Failed to import users from ${usersJsonPath}: ${e.message}`);
+    }
+  }
+
+  // Insert jobs
+  if (fs.existsSync(jobsJsonPath)) {
+    try {
+      const raw = fs.readFileSync(jobsJsonPath, 'utf8');
+      const json = JSON.parse(raw);
+      const arr = Array.isArray(json?.jobs) ? json.jobs : [];
+      if (arr.length > 0) {
+        const stmt = db.prepare(
+          `INSERT INTO jobs (id, user_id, enabled, name, blacklist, provider, notification_adapter)
+           VALUES (@id, @user_id, @enabled, @name, @blacklist, @provider, @notification_adapter)`,
+        );
+        for (const j of arr) {
+          stmt.run({
+            id: j.id,
+            user_id: j.userId,
+            enabled: j.enabled ? 1 : 0,
+            name: j.name ?? null,
+            blacklist: toJson(j.blacklist ?? []),
+            provider: toJson(j.provider ?? []),
+            notification_adapter: toJson(j.notificationAdapter ?? []),
+          });
+        }
+      }
+    } catch (e) {
+      throw new Error(`Failed to import jobs from ${jobsJsonPath}: ${e.message}`);
+    }
+  }
+}

lib/services/storage/migrations/sql/2.active-flag-for-listings.js

@@ -0,0 +1,8 @@
+// Migration: there needs to be a unique index on job_id and hash as only
+// this makes the listing indeed unique
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE listings ADD COLUMN is_active INTEGER DEFAULT 1;
+  `);
+}

lib/services/storage/migrations/sql/2.new-indexes-for-listings.js

@@ -0,0 +1,10 @@
+// Migration: there needs to be a unique index on job_id and hash as only
+// this makes the listing indeed unique
+
+export function up(db) {
+  db.exec(`
+    DROP INDEX IF EXISTS idx_listings_hash;
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_listings_job_hash
+      ON listings (job_id, hash);
+  `);
+}

lib/services/storage/migrations/sql/3.changeset-for-listings.js

@@ -0,0 +1,8 @@
+// Migration: Adding a changeset field to the listings table in preparation for
+// a price watch feature
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE listings ADD COLUMN change_set jsonb;
+  `);
+}

lib/services/storage/migrations/sql/4.watch-list.js

@@ -0,0 +1,15 @@
+// Migration: Adding a new table to store if somebody "watches" (a.k.a favorite) a listing
+
+export function up(db) {
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS watch_list
+    (
+      id         TEXT PRIMARY KEY,
+      listing_id TEXT NOT NULL,
+      user_id    TEXT NOT NULL,
+      FOREIGN KEY (listing_id) REFERENCES listings (id) ON DELETE CASCADE,
+      FOREIGN KEY (user_id)    REFERENCES users    (id) ON DELETE CASCADE
+    );
+    CREATE UNIQUE INDEX IF NOT EXISTS idx_watch_list ON watch_list (listing_id, user_id);
+  `);
+}

lib/services/storage/userStorage.js

@@ -1,123 +1,176 @@
-import { JSONFileSync } from 'lowdb/node';
-import { config, getDirName } from '../../utils.js';
+import { config } from '../../utils.js';
 import * as hasher from '../security/hash.js';
 import { nanoid } from 'nanoid';
-import * as jobStorage from './jobStorage.js';
-import path from 'path';
-import LowdashAdapter from './LowDashAdapter.js';
-
-const defaultData = {
-  user: [
-    //you probably want to change the default password ;)
-    {
-      id: nanoid(),
-      lastLogin: Date.now(),
-      username: 'admin',
-      password: hasher.hash('admin'),
-      isAdmin: true,
-    },
-    {
-      id: nanoid(),
-      lastLogin: Date.now(),
-      username: 'demo',
-      password: hasher.hash('demo'),
-      isAdmin: true,
-    },
-  ],
-};
-
-const file = path.join(getDirName(), '../', 'db/users.json');
-const adapter = new JSONFileSync(file);
-const db = new LowdashAdapter(adapter, defaultData);
-
-db.read();
+import SqliteConnection from './SqliteConnection.js';
 
+/**
+ * Get all users.
+ *
+ * Notes:
+ * - Password hashes are omitted by default to avoid leaking them to callers that don’t need them.
+ * - numberOfJobs is computed via a subquery for each user.
+ *
+ * @param {boolean} withPassword - If true, include the hashed password in the returned objects; otherwise set password to null.
+ * @returns {User[]} Array of users ordered by username.
+ */
 export const getUsers = (withPassword) => {
-  const jobs = jobStorage.getJobs();
-  return db.chain
-    .get('user')
-    .value()
-    .map((user) => ({
-      //we dont want the password in the frontend, even tho it's hashed
-      ...user,
-      password: withPassword ? user.password : null,
-      numberOfJobs: jobs.filter((job) => job.userId === user.id).length,
-    }));
-};
-export const getUser = (id) => {
-  const jobs = jobStorage.getJobs();
-  const user = db.chain
-    .get('user')
-    .find((user) => user.id === id)
-    .value();
-  if (user == null) {
-    return null;
-  }
-  return {
-    ...user,
-    numberOfJobs: jobs.filter((job) => job.userId === user.id).length,
-  };
-};
-export const upsertUser = ({ username, password, userId, isAdmin }) => {
-  const user = db.chain
-    .get('user')
-    .filter((u) => u.id !== userId)
-    .value();
-  user.push({
-    id: userId || nanoid(),
-    username,
-    lastLogin: user.lastLogin,
-    password: hasher.hash(password),
-    isAdmin,
-  });
-  db.chain.set('user', user).value();
-  db.write();
-};
-export const setLastLoginToNow = ({ userId }) => {
-  db.chain
-    .get('user')
-    .find((u) => u.id === userId)
-    .assign({ lastLogin: Date.now() })
-    .value();
-  db.write();
-};
-export const removeUser = (userId) => {
-  const user = db.chain.get('user').value();
-  db.chain
-    .set(
-      'user',
-      user.filter((u) => u.id !== userId),
-    )
-    .value();
-  db.write();
+  const rows = SqliteConnection.query(
+    `SELECT u.id, u.username, u.password, u.last_login AS lastLogin, u.is_admin AS isAdmin,
+            (SELECT COUNT(1) FROM jobs j WHERE j.user_id = u.id) AS numberOfJobs
+       FROM users u
+       ORDER BY u.username`,
+  );
+  return rows.map((u) => ({
+    ...u,
+    password: withPassword ? u.password : null,
+    isAdmin: !!u.isAdmin,
+  }));
 };
 
-export const handleDemoUser = () => {
-  if (!config.demoMode) {
-    const user = db.chain.get('user').value();
-    db.chain
-      .set(
-        'user',
-        user.filter((u) => u.username !== 'demo'),
-      )
-      .value();
-    db.write();
+/**
+ * Get a single user by id.
+ *
+ * @param {string} id - User id (primary key).
+ * @returns {User|null} The user when found; otherwise null. The password field is included but callers should not expose it.
+ */
+export const getUser = (id) => {
+  const rows = SqliteConnection.query(
+    `SELECT u.id, u.username, u.password, u.last_login AS lastLogin, u.is_admin AS isAdmin,
+            (SELECT COUNT(1) FROM jobs j WHERE j.user_id = u.id) AS numberOfJobs
+       FROM users u
+      WHERE u.id = @id
+      LIMIT 1`,
+    { id },
+  );
+  const u = rows[0];
+  if (!u) return null;
+  return { ...u, isAdmin: !!u.isAdmin };
+};
+
+/**
+ * Insert a new user or update an existing one.
+ *
+ * Behavior:
+ * - When userId is provided and exists: updates username and isAdmin. Password is only updated when a non-empty password is provided.
+ * - When userId is missing or does not exist: inserts a new user with a freshly generated id. last_login is initialized to null.
+ * - Passwords are hashed using the same hashing function used for login comparison.
+ *
+ * @param {Object} params
+ * @param {string} params.username - Username (must be unique in DB).
+ * @param {string} [params.password] - Plain text password to set; if omitted on update, existing hash is preserved.
+ * @param {string} [params.userId] - Existing user id to update; if missing, a new id is generated.
+ * @param {boolean} params.isAdmin - Whether the user should have admin privileges.
+ * @returns {void}
+ */
+export const upsertUser = ({ username, password, userId, isAdmin }) => {
+  const id = userId || nanoid();
+  // Check if user exists
+  const exists = SqliteConnection.query(`SELECT 1 FROM users WHERE id = @id LIMIT 1`, { id }).length > 0;
+  if (exists) {
+    // Update existing user. Update password only if provided (non-empty string)
+    if (password && password.length > 0) {
+      SqliteConnection.execute(
+        `UPDATE users SET username = @username, password = @password, is_admin = @is_admin WHERE id = @id`,
+        { id, username, password: hasher.hash(password), is_admin: isAdmin ? 1 : 0 },
+      );
+    } else {
+      SqliteConnection.execute(`UPDATE users SET username = @username, is_admin = @is_admin WHERE id = @id`, {
+        id,
+        username,
+        is_admin: isAdmin ? 1 : 0,
+      });
+    }
   } else {
-    const demoUser = db.chain
-      .get('user')
-      .filter((u) => u.username === 'demo')
-      .value();
-    if (demoUser == null || demoUser.length === 0) {
-      db.chain
-        .get('user')
-        .value()
-        .push({
-          id: nanoid(),
-          username: 'demo',
-          password: hasher.hash('demo'),
-          isAdmin: true,
-        });
-      db.write();
+    SqliteConnection.execute(
+      `INSERT INTO users (id, username, password, last_login, is_admin)
+       VALUES (@id, @username, @password, @last_login, @is_admin)`,
+      {
+        id,
+        username,
+        password: hasher.hash(password || ''),
+        last_login: null,
+        is_admin: isAdmin ? 1 : 0,
+      },
+    );
+  }
+};
+
+/**
+ * Update the last_login timestamp to now for the given user.
+ *
+ * @param {{userId: string}} params - Parameters.
+ * @param {string} params.userId - The user's id.
+ * @returns {void}
+ */
+export const setLastLoginToNow = ({ userId }) => {
+  SqliteConnection.execute(`UPDATE users SET last_login = @now WHERE id = @id`, { id: userId, now: Date.now() });
+};
+
+/**
+ * Remove a user by id.
+ *
+ * Notes:
+ * - In the SQLite schema, jobs reference users with ON DELETE CASCADE, so jobs (and their listings via jobs) are removed automatically.
+ *
+ * @param {string} userId - The id of the user to remove.
+ * @returns {void}
+ */
+export const removeUser = (userId) => {
+  SqliteConnection.execute(`DELETE FROM users WHERE id = @id`, { id: userId });
+};
+
+/**
+ * Ensure the demo user matches the demo mode setting.
+ *
+ * Behavior:
+ * - When config.demoMode is false: remove the demo user (and its cascading data via FKs).
+ * - When config.demoMode is true: ensure a 'demo' user exists with password 'demo' and admin rights.
+ *
+ * Security: The demo user's password is set to a known value ('demo') and should only be enabled in demoMode.
+ * @returns {void}
+ */
+export const ensureDemoUserExists = () => {
+  if (!config.demoMode) {
+    // Remove demo user (and cascade delete their jobs/listings)
+    SqliteConnection.execute(`DELETE FROM users WHERE username = 'demo'`);
+    return;
+  }
+  // Ensure demo user exists when demo mode is on
+  const existing = SqliteConnection.query(`SELECT id FROM users WHERE username = 'demo' LIMIT 1`);
+  if (existing.length === 0) {
+    SqliteConnection.execute(
+      `INSERT INTO users (id, username, password, last_login, is_admin)
+       VALUES (@id, 'demo', @password, NULL, 1)`,
+      { id: nanoid(), password: hasher.hash('demo') },
+    );
+  }
+};
+
+/**
+ * Ensure there is at least one administrator in the system.
+ *
+ * Behavior:
+ * - If there are no users at all, create default 'admin' user with password 'admin'.
+ * - If users exist but none is admin, promote the first existing user to admin.
+ *
+ * Security: On a fresh instance, a default admin/admin is created; change this password immediately.
+ * @returns {void}
+ */
+export const ensureAdminUserExists = () => {
+  const anyUser = SqliteConnection.query(`SELECT id FROM users LIMIT 1`).length > 0;
+  if (!anyUser) {
+    SqliteConnection.execute(
+      `INSERT INTO users (id, username, password, last_login, is_admin)
+       VALUES (@id, 'admin', @password, @last_login, 1)`,
+      { id: nanoid(), password: hasher.hash('admin'), last_login: Date.now() },
+    );
+    return;
+  }
+  const adminCount = SqliteConnection.query(`SELECT COUNT(1) AS c FROM users WHERE is_admin = 1`)[0]?.c ?? 0;
+  if (adminCount === 0) {
+    const firstUser = SqliteConnection.query(`SELECT id FROM users LIMIT 1`)[0];
+    if (firstUser) {
+      SqliteConnection.execute(`UPDATE users SET is_admin = 1 WHERE id = @id`, { id: firstUser.id });
     }
   }
 };

lib/services/storage/watchListStorage.js

@@ -0,0 +1,64 @@
+import SqliteConnection from './SqliteConnection.js';
+import { nanoid } from 'nanoid';
+
+/**
+ * Create a watch entry. Idempotent due to unique index (listing_id, user_id).
+ * @param {string} listingId
+ * @param {string} userId
+ * @returns {{created:boolean}}
+ */
+export const createWatch = (listingId, userId) => {
+  if (!listingId || !userId) return { created: false };
+  try {
+    SqliteConnection.execute(
+      `INSERT INTO watch_list (id, listing_id, user_id)
+       VALUES (@id, @listing_id, @user_id)
+       ON CONFLICT(listing_id, user_id) DO NOTHING`,
+      { id: nanoid(), listing_id: listingId, user_id: userId },
+    );
+    // check whether it exists now
+    const row = SqliteConnection.query(
+      `SELECT 1 AS ok FROM watch_list WHERE listing_id = @listing_id AND user_id = @user_id LIMIT 1`,
+      { listing_id: listingId, user_id: userId },
+    );
+    return { created: row.length > 0 };
+  } catch {
+    return { created: false };
+  }
+};
+
+/**
+ * Delete a watch entry.
+ * @param {string} listingId
+ * @param {string} userId
+ * @returns {{deleted:boolean}}
+ */
+export const deleteWatch = (listingId, userId) => {
+  if (!listingId || !userId) return { deleted: false };
+  const res = SqliteConnection.execute(`DELETE FROM watch_list WHERE listing_id = @listing_id AND user_id = @user_id`, {
+    listing_id: listingId,
+    user_id: userId,
+  });
+  return { deleted: Boolean(res?.changes) };
+};
+
+/**
+ * Toggle a watch entry. If exists -> delete, otherwise create.
+ * @param {string} listingId
+ * @param {string} userId
+ * @returns {{watched:boolean}}
+ */
+export const toggleWatch = (listingId, userId) => {
+  if (!listingId || !userId) return { watched: false };
+  const exists =
+    SqliteConnection.query(
+      `SELECT 1 AS ok FROM watch_list WHERE listing_id = @listing_id AND user_id = @user_id LIMIT 1`,
+      { listing_id: listingId, user_id: userId },
+    ).length > 0;
+  if (exists) {
+    deleteWatch(listingId, userId);
+    return { watched: false };
+  }
+  createWatch(listingId, userId);
+  return { watched: true };
+};

lib/services/tracking/Tracker.js

@@ -1,9 +1,7 @@
 import { getJobs } from '../storage/jobStorage.js';
 import { getUniqueId } from './uniqueId.js';
-import { config, inDevMode } from '../../utils.js';
+import { config, getPackageVersion, inDevMode } from '../../utils.js';
 import os from 'os';
-import { readFileSync } from 'fs';
-import { packageUp } from 'package-up';
 import fetch from 'node-fetch';
 import logger from '../logger.js';
 
@@ -77,15 +75,3 @@ function enrichTrackingObject(trackingObject) {
     version,
   };
 }
-
-async function getPackageVersion() {
-  try {
-    const packagePath = await packageUp();
-    const packageJson = readFileSync(packagePath, 'utf8');
-    const json = JSON.parse(packageJson);
-    return json.version;
-  } catch (error) {
-    logger.error('Error reading version from package.json', error);
-  }
-  return 'N/A';
-}

lib/utils.js

@@ -1,30 +1,104 @@
 import { dirname } from 'node:path';
-import { fileURLToPath } from 'node:url';
+import path from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
 import { readFile } from 'fs/promises';
 import { createHash } from 'crypto';
 import { DEFAULT_CONFIG } from './defaultConfig.js';
-import fs from 'fs';
+import fs, { readFileSync } from 'fs';
 import logger from './services/logger.js';
+import { packageUp } from 'package-up';
 
 const RE_GT = />/g;
 const RE_WEBP = /\/format\/webp/gi;
 const RE_EXT = /\.(jpe?g|png|gif)(\?.*)?$/i;
 const HTTPS_PREFIX = 'https://';
+const providersDirectoryPath = `${getDirName()}/provider`;
 
+/**
+ * Lazily load all provider modules from the provider directory.
+ * Caches the resolved array to avoid re-importing on subsequent calls.
+ *
+ * @returns {Promise<any[]>} A list of loaded provider modules.
+ */
+let cachedProvidersPromise = null;
+
+export function getProviders() {
+  if (!cachedProvidersPromise) {
+    /** @type {string[]} */
+    const providerFileNames = fs.readdirSync(providersDirectoryPath).filter((fileName) => fileName.endsWith('.js'));
+    cachedProvidersPromise = Promise.all(
+      providerFileNames.map((fileName) => import(pathToFileURL(path.join(providersDirectoryPath, fileName)).href)),
+    );
+  }
+  return cachedProvidersPromise;
+}
+
+/**
+ * Safely stringify a value to JSON for storage.
+ * - Returns null when the input is null or undefined.
+ * - Uses JSON.stringify directly otherwise.
+ *
+ * @template T
+ * @param {T} v - Any JSON-serializable value.
+ * @returns {string|null} JSON string or null.
+ */
+const toJson = (v) => (v == null ? null : JSON.stringify(v));
+
+/**
+ * Safely parse JSON text coming from storage.
+ * - Returns the provided fallback when input is null/undefined.
+ * - Returns the fallback when parsing fails.
+ *
+ * @template T
+ * @param {string|null|undefined} txt - JSON text from DB/storage.
+ * @param {T} fallback - Value to return when txt is null/invalid.
+ * @returns {T} Parsed value or fallback.
+ */
+const fromJson = (txt, fallback) => {
+  if (txt == null) return fallback;
+  try {
+    return JSON.parse(txt);
+  } catch {
+    return fallback;
+  }
+};
+
+/**
+ * Determine if the current process runs in development mode.
+ * Returns true when NODE_ENV is not 'production'.
+ * @returns {boolean}
+ */
 function inDevMode() {
   return process.env.NODE_ENV == null || process.env.NODE_ENV !== 'production';
 }
 
+/**
+ * Check if a word contains any of the strings in the given array (case-insensitive, substring match).
+ * @param {string} word
+ * @param {string[]} arr
+ * @returns {boolean}
+ */
 function isOneOf(word, arr) {
   if (!arr || arr.length === 0 || word == null) return false;
   const lowerWord = word.toLowerCase();
   return arr.some((item) => lowerWord.indexOf(item.toLowerCase()) !== -1);
 }
 
+/**
+ * Check if a value is null or an empty string/array.
+ * @param {any} val
+ * @returns {boolean}
+ */
 function nullOrEmpty(val) {
   return val == null || val.length === 0;
 }
 
+/**
+ * Convert a day time string (HH:mm) to epoch milliseconds for the given reference date.
+ * @param {string} timeString - Format HH:mm
+ * @param {number} now - Epoch ms used as the date basis
+ * @returns {number}
+ */
 function timeStringToMs(timeString, now) {
   const d = new Date(now);
   const parts = timeString.split(':');
@@ -34,6 +108,24 @@ function timeStringToMs(timeString, now) {
   return d.getTime();
 }
 
+/**
+ * Determine whether the given timestamp is within the configured working hours, or return true when the window is not set.
+ * - If workingHours is missing or either 'from' or 'to' is empty/null, returns true.
+ * - Supports windows that cross midnight (e.g., from '23:00' to '06:00').
+ *
+ * Time parsing is based on the local timezone of the running process.
+ *
+ * @param {{workingHours?: {from?: string|null, to?: string|null}}} config - Configuration object containing working hours in 'HH:mm' format.
+ * @param {number} now - Epoch milliseconds to evaluate.
+ * @returns {boolean} True when execution is allowed at 'now'.
+ * @example
+ * // Same-day window
+ * duringWorkingHoursOrNotSet({ workingHours: { from: '08:00', to: '17:00' } }, someTime);
+ * @example
+ * // Window crossing midnight
+ * // For { from: '05:00', to: '00:30' } → 23:00 => true, 01:00 => false, 06:00 => true
+ * duringWorkingHoursOrNotSet({ workingHours: { from: '05:00', to: '00:30' } }, Date.now());
+ */
 function duringWorkingHoursOrNotSet(config, now) {
   const { workingHours } = config;
   if (workingHours == null || nullOrEmpty(workingHours.from) || nullOrEmpty(workingHours.to)) {
@@ -41,13 +133,36 @@ function duringWorkingHoursOrNotSet(config, now) {
   }
   const toDate = timeStringToMs(workingHours.to, now);
   const fromDate = timeStringToMs(workingHours.from, now);
-  return fromDate <= now && toDate >= now;
+
+  // If parsing fails (e.g., malformed time), be lenient and allow.
+  if (isNaN(toDate) || isNaN(fromDate)) {
+    return true;
+  }
+
+  if (toDate >= fromDate) {
+    // Same-day window (e.g., 08:00 - 17:00)
+    return now >= fromDate && now <= toDate;
+  }
+
+  // Window crosses midnight (e.g., 05:00 -> 00:30 next day)
+  // Accept if we are after 'from' today OR before 'to' today (which represents next day's cutoff).
+  return now >= fromDate || now <= toDate;
 }
 
+/**
+ * Return the directory name of the current module (ESM equivalent of __dirname).
+ * @returns {string}
+ */
 function getDirName() {
   return dirname(fileURLToPath(import.meta.url));
 }
 
+/**
+ * Build a sha256 hash string from the provided inputs (ignores null/empty strings).
+ * Returns null if there are no valid inputs.
+ * @param {...(string|null|undefined)} inputs
+ * @returns {string|null}
+ */
 function buildHash(...inputs) {
   if (inputs == null) {
     return null;
@@ -59,20 +174,52 @@ function buildHash(...inputs) {
   return createHash('sha256').update(cleaned.join(',')).digest('hex');
 }
 
+/**
+ * The in-memory configuration object. Call refreshConfig() to populate/update.
+ * @type {any}
+ */
 let config = {};
 
+/**
+ * If the config exists, but cannot be accessed, we quit Fredy as something is fishy here.
+ * @returns {Promise<boolean>}
+ */
+export async function checkIfConfigIsAccessible() {
+  const path = new URL('../conf/config.json', import.meta.url);
+  try {
+    if (!fs.existsSync(path)) {
+      return true;
+    }
+    fs.accessSync(path, fs.constants.R_OK);
+    return true;
+  } catch {
+    return false;
+  }
+}
+
+/**
+ * Read config JSON from disk (conf/config.json) and parse it.
+ * @returns {Promise<any>} Parsed configuration object.
+ */
 export async function readConfigFromStorage() {
   return JSON.parse(await readFile(new URL('../conf/config.json', import.meta.url)));
 }
 
+/**
+ * Refresh the in-memory config, ensuring the file exists and setting backward-compatible defaults.
+ * Populates defaults for analyticsEnabled, demoMode, sqlitepath when missing.
+ * @returns {Promise<void>}
+ */
 export async function refreshConfig() {
   checkIfConfigExistsAndWriteIfNot();
 
   try {
     config = await readConfigFromStorage();
-    //backwards compatability...
+    //backwards compatibility...
     config.analyticsEnabled ??= null;
     config.demoMode ??= false;
+    // default sqlitepath when missing in older configs
+    config.sqlitepath ??= '/db';
   } catch (error) {
     config = { ...DEFAULT_CONFIG };
     logger.info('Error reading config file.', error);
@@ -80,7 +227,8 @@ export async function refreshConfig() {
 }
 
 /**
- * If the config file does not exist, we will create it.
+ * If the config file does not exist, create it with DEFAULT_CONFIG.
+ * @returns {void}
  */
 const checkIfConfigExistsAndWriteIfNot = () => {
   if (!fs.existsSync(`${getDirName()}/../conf/config.json`)) {
@@ -89,6 +237,15 @@ const checkIfConfigExistsAndWriteIfNot = () => {
   }
 };
 
+/**
+ * Normalize image URLs:
+ * - Trim, remove stray '>' characters.
+ * - Convert '/format/webp' segments to '/format/jpg'.
+ * - Enforce HTTPS and ensure a valid image extension (jpg/png/gif). If URL contains '.jpg' without query, cut trailing parts.
+ * - Return null for invalid inputs.
+ * @param {string} url
+ * @returns {string|null}
+ */
 const normalizeImageUrl = (url) => {
   if (typeof url !== 'string' || url.length === 0) return null;
 
@@ -102,20 +259,56 @@ const normalizeImageUrl = (url) => {
   return u;
 };
 
+/**
+ * returns Fredy's version
+ * @returns {Promise<*|string>}
+ */
+async function getPackageVersion() {
+  try {
+    const packagePath = await packageUp();
+    const packageJson = readFileSync(packagePath, 'utf8');
+    const json = JSON.parse(packageJson);
+    return json.version;
+  } catch (error) {
+    logger.error('Error reading version from package.json', error);
+  }
+  return 'N/A';
+}
+
+/**
+ * Sleep helper
+ * @param {number} ms milliseconds to wait
+ * @returns {Promise<void>}
+ */
+function sleep(ms) {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+/**
+ * Return a random integer between min and max (inclusive).
+ * @param {number} min - Minimum integer value.
+ * @param {number} max - Maximum integer value.
+ * @returns {number} A random integer N where min <= N <= max.
+ */
+function randomBetween(min, max) {
+  return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+// Call refreshConfig() from the application entrypoint during startup to populate config.
 await refreshConfig();
 
-export { isOneOf };
-export { normalizeImageUrl };
-export { inDevMode };
-export { nullOrEmpty };
-export { duringWorkingHoursOrNotSet };
-export { getDirName };
-export { config };
-export { buildHash };
-export default {
+export {
   isOneOf,
+  normalizeImageUrl,
+  inDevMode,
   nullOrEmpty,
   duringWorkingHoursOrNotSet,
   getDirName,
+  sleep,
+  randomBetween,
   config,
+  buildHash,
+  getPackageVersion,
+  toJson,
+  fromJson,
 };

package.json

@@ -1,6 +1,6 @@
 {
   "name": "fredy",
-  "version": "11.6.4",
+  "version": "14.1.1",
   "description": "[F]ind [R]eal [E]states [d]amn eas[y].",
   "scripts": {
     "prepare": "husky",
@@ -13,7 +13,9 @@
     "format:check": "prettier --check \"**/*.js\"",
     "test": "node --import ./test/esmock-loader.mjs ./node_modules/mocha/bin/mocha.js --timeout 60000 test/**/*.test.js",
     "lint": "eslint .",
-    "lint:fix": "yarn lint --fix"
+    "lint:fix": "yarn lint --fix",
+    "migratedb": "node lib/services/storage/migrations/migrate.js",
+    "migratedb:overwrite": "x-var MIGRATION_ALLOW_CHECKSUM_UPDATE=true node lib/services/storage/migrations/migrate.js"
   },
   "type": "module",
   "lint-staged": {
@@ -44,7 +46,7 @@
   },
   "license": "MIT",
   "engines": {
-    "node": ">=20.0.0",
+    "node": ">=22.0.0",
     "npm": ">=7.0.0"
   },
   "browserslist": [
@@ -54,62 +56,58 @@
     "Firefox ESR"
   ],
   "dependencies": {
+    "@douyinfe/semi-icons": "^2.86.0",
     "@douyinfe/semi-ui": "2.86.0",
-    "@rematch/core": "2.2.0",
-    "@rematch/loading": "2.1.2",
-    "@sendgrid/mail": "8.1.5",
-    "@visactor/react-vchart": "^2.0.4",
-    "@visactor/vchart": "^2.0.4",
+    "@sendgrid/mail": "8.1.6",
+    "@visactor/react-vchart": "^2.0.5",
+    "@visactor/vchart": "^2.0.5",
     "@visactor/vchart-semi-theme": "^1.12.2",
-    "@vitejs/plugin-react": "5.0.2",
-    "better-sqlite3": "^12.2.0",
+    "@vitejs/plugin-react": "5.0.4",
+    "better-sqlite3": "^12.4.1",
     "body-parser": "2.2.0",
     "cheerio": "^1.1.2",
     "cookie-session": "2.1.1",
     "handlebars": "4.7.8",
     "lodash": "4.17.21",
-    "lowdb": "7.0.1",
     "markdown": "^0.5.0",
-    "nanoid": "5.1.5",
+    "nanoid": "5.1.6",
     "node-cron": "^4.2.1",
     "node-fetch": "3.3.2",
     "node-mailjet": "6.0.9",
     "p-throttle": "^8.0.0",
     "package-up": "^5.0.0",
-    "puppeteer": "^24.19.0",
+    "puppeteer": "^24.23.0",
     "puppeteer-extra": "^3.3.6",
     "puppeteer-extra-plugin-stealth": "^2.11.2",
-    "query-string": "9.3.0",
+    "query-string": "9.3.1",
     "react": "18.3.1",
     "react-dom": "18.3.1",
-    "react-redux": "9.2.0",
-    "react-router": "7.8.2",
-    "react-router-dom": "7.8.2",
-    "redux": "5.0.1",
-    "redux-thunk": "3.1.0",
+    "react-router": "7.9.3",
+    "react-router-dom": "7.9.3",
     "restana": "5.1.0",
+    "semver": "^7.7.2",
     "serve-static": "2.2.0",
     "slack": "11.0.2",
-    "vite": "7.1.5",
-    "x-var": "^2.1.0"
+    "vite": "7.1.9",
+    "x-var": "^3.0.1",
+    "zustand": "^5.0.8"
   },
   "devDependencies": {
     "@babel/core": "7.28.4",
     "@babel/eslint-parser": "7.28.4",
     "@babel/preset-env": "7.28.3",
     "@babel/preset-react": "7.27.1",
-    "chai": "6.0.1",
-    "eslint": "9.35.0",
+    "chai": "6.2.0",
+    "eslint": "9.36.0",
     "eslint-config-prettier": "10.1.8",
     "eslint-plugin-react": "7.37.5",
-    "esmock": "2.7.2",
+    "esmock": "2.7.3",
     "history": "5.3.0",
     "husky": "9.1.7",
     "less": "4.4.1",
-    "lint-staged": "16.1.6",
-    "mocha": "11.7.2",
+    "lint-staged": "16.2.3",
+    "mocha": "11.7.4",
     "nodemon": "^3.1.10",
-    "prettier": "3.6.2",
-    "redux-logger": "3.0.6"
+    "prettier": "3.6.2"
   }
 }

reverse-engineered-immoscout.md

@@ -41,7 +41,7 @@ Challenges:
 _Returns the total number of listings for the given query._
 
 ```
-curl -H "User-Agent: ImmoScout24_1410_30_._" \
+curl -H "User-Agent: ImmoScout_27.3_26.0_._" \
      -H "Accept: application/json" \
      "https://api.mobile.immobilienscout24.de/search/total?searchType=region&realestatetype=apartmentrent&pricetype=calculatedtotalrent&geocodes=%2Fde%2Fberlin%2Fberlin"
 ```
@@ -63,7 +63,7 @@ _The body is json encoded and contains data specifying additional results (adver
 ```
 curl -X POST 'https://api.mobile.immobilienscout24.de/search/list?pricetype=calculatedtotalrent&realestatetype=apartmentrent&searchType=region&geocodes=%2Fde%2Fberlin%2Fberlin&pagenumber=1' \
   -H "Connection: keep-alive" \
-  -H "User-Agent: ImmoScout24_1410_30_._" \
+  -H "User-Agent: ImmoScout_27.3_26.0_._" \
   -H "Accept: application/json" \
   -H "Content-Type: application/json" \
   -d '{"supportedResultListType":[],"userData":{}}'
@@ -78,7 +78,7 @@ curl -X POST 'https://api.mobile.immobilienscout24.de/search/list?pricetype=calc
 The response contains additional details not included in the listing response.
 
 ```
-curl -H "User-Agent: ImmoScout24_1410_30_._" \
+curl -H "User-Agent: ImmoScout_27.3_26.0_._" \
      -H "Accept: application/json" \
      "https://api.mobile.immobilienscout24.de/expose/158382494"
 ```

test/FredyRuntime/FredyRuntime.test.js

@@ -0,0 +1,53 @@
+import { expect } from 'chai';
+import * as similarityCache from '../../lib/services/similarity-check/similarityCache.js';
+import { mockFredy } from '../utils.js';
+
+describe('FredyRuntime', () => {
+  afterEach(() => {
+    similarityCache.invalidateAllForTest();
+  });
+
+  after(() => {
+    similarityCache.stopCacheCleanup();
+  });
+
+  describe('_filterBySimilarListings', () => {
+    let fredyRuntime;
+
+    beforeEach(async () => {
+      const FredyRuntime = await mockFredy();
+      fredyRuntime = new FredyRuntime({}, null, 'dummy-provider', 'dummy-job', similarityCache);
+    });
+
+    it('should filter out listings with similar title and address already in cache', () => {
+      similarityCache.addCacheEntry('Penthouse', 'Mustermann Straße 1');
+
+      const listings = [
+        { id: '1', title: 'Penthouse', address: 'Mustermann Straße 1' },
+        { id: '2', title: 'Nice apartment', address: 'Mustermann Straße 15' },
+      ];
+
+      const result = fredyRuntime._filterBySimilarListings(listings);
+
+      expect(result).to.have.length(1);
+      expect(result[0].id).to.equal('2');
+      expect(result[0].title).to.equal('Nice apartment');
+
+      expect(similarityCache.hasSimilarEntries('Nice apartment', 'Mustermann Straße 15')).to.be.true;
+    });
+
+    it('should handle listings with null or undefined address', () => {
+      const listings = [
+        { id: '1', title: 'Penthouse', address: null },
+        { id: '2', title: 'Nice apartment', address: undefined },
+      ];
+
+      const result = fredyRuntime._filterBySimilarListings(listings);
+
+      expect(result).to.have.length(2);
+
+      expect(similarityCache.hasSimilarEntries('Penthouse', null)).to.be.true;
+      expect(similarityCache.hasSimilarEntries('Nice apartment', undefined)).to.be.true;
+    });
+  });
+});

test/db/migrations/migrate.test.js

@@ -0,0 +1,329 @@
+import { expect } from 'chai';
+import esmock from 'esmock';
+
+// We will fully mock fs, crypto, SqliteConnection, and dynamic import of migration modules
+
+describe('db/migrations/migrate.js - runMigrations', () => {
+  let calls;
+  let runMigrations;
+  let prevExitCode;
+
+  beforeEach(async () => {
+    calls = {
+      fs: { existsSync: [], mkdirSync: [], readdirSync: [], readFileSync: [] },
+      sql: {
+        getConnection: 0,
+        tableExists: false,
+        query: [],
+        execute: [],
+        withTransaction: [],
+        optimize: 0,
+      },
+      logs: { info: [], warn: [], error: [] },
+    };
+
+    // Mock fs to avoid touching disk
+    const fsMock = {
+      existsSync: (p) => {
+        calls.fs.existsSync.push(p);
+        return true;
+      },
+      mkdirSync: (p, opts) => {
+        calls.fs.mkdirSync.push({ p, opts });
+      },
+      readdirSync: (p) => {
+        calls.fs.readdirSync.push(p);
+        return [];
+      },
+      readFileSync: (p) => {
+        calls.fs.readFileSync.push(p);
+        return Buffer.from('dummy');
+      },
+    };
+
+    // Mock crypto sha256
+    const cryptoMock = {
+      createHash: () => ({ update: () => ({ digest: () => 'sha256sum' }) }),
+    };
+
+    // Mock logger
+    const loggerMock = {
+      info: (...a) => calls.logs.info.push(a),
+      warn: (...a) => calls.logs.warn.push(a),
+      error: (...a) => calls.logs.error.push(a),
+    };
+
+    // Mock SqliteConnection
+    const sqlMock = {
+      getConnection: () => {
+        calls.sql.getConnection += 1;
+        return {};
+      },
+      tableExists: () => calls.sql.tableExists,
+      query: (sql) => {
+        calls.sql.query.push(sql);
+        return [];
+      },
+      execute: (sql, params) => {
+        calls.sql.execute.push({ sql, params });
+        return { changes: 1 };
+      },
+      withTransaction: (cb) => {
+        calls.sql.withTransaction.push(true);
+        const db = {
+          prepare: (s) => ({ run: (...args) => calls.sql.execute.push({ sql: s, params: args }) }),
+        };
+        return cb(db);
+      },
+      optimize: () => {
+        calls.sql.optimize += 1;
+      },
+    };
+
+    // esmock with dependency replacements
+    const path = await import('node:path');
+    const ROOT = path.resolve('.');
+    const sqlPath = path.join(ROOT, 'lib', 'services', 'storage', 'SqliteConnection.js');
+    const loggerPath = path.join(ROOT, 'lib', 'services', 'logger.js');
+    const mod = await esmock(
+      '../../../db/migrations/migrate.js',
+      {},
+      {
+        fs: fsMock,
+        crypto: cryptoMock,
+        [sqlPath]: sqlMock,
+        [loggerPath]: loggerMock,
+      },
+    );
+
+    runMigrations = mod.runMigrations;
+
+    // remember original exitCode to restore later
+    prevExitCode = process.exitCode;
+  });
+
+  afterEach(() => {
+    // restore original process.exitCode
+    process.exitCode = prevExitCode;
+  });
+
+  it('logs and returns when no migration files are found', async () => {
+    await runMigrations();
+    expect(calls.logs.info.some((a) => String(a[0]).includes('No migration files'))).to.equal(true);
+    expect(calls.sql.getConnection).to.equal(0);
+    expect(calls.sql.optimize).to.equal(0);
+  });
+
+  it('applies a single new migration inside a transaction and records it', async () => {
+    // Re-mock with one file and module loader
+    const fsMock = {
+      existsSync: () => true,
+      mkdirSync: () => {},
+      readdirSync: () => ['1.init.js'],
+      readFileSync: () => Buffer.from('dummy'),
+    };
+    const cryptoMock = { createHash: () => ({ update: () => ({ digest: () => 'abc' }) }) };
+    const loggerMock = {
+      info: (...a) => calls.logs.info.push(a),
+      warn: (...a) => calls.logs.warn.push(a),
+      error: (...a) => calls.logs.error.push(a),
+    };
+
+    const sqlMock = {
+      getConnection: () => {
+        calls.sql.getConnection += 1;
+        return {};
+      },
+      tableExists: () => false, // schema_migrations not present yet
+      query: () => [],
+      execute: (sql, params) => {
+        calls.sql.execute.push({ sql, params });
+        return { changes: 1 };
+      },
+      withTransaction: (cb) => {
+        calls.sql.withTransaction.push(true);
+        const db = {
+          exec: () => {},
+          prepare: (s) => ({ run: (...args) => calls.sql.execute.push({ sql: s, params: args }) }),
+        };
+        return cb(db);
+      },
+      optimize: () => {
+        calls.sql.optimize += 1;
+      },
+    };
+
+    // The migration module: exports up(db)
+    const migrationModule = {
+      up: (db) => {
+        db.exec && db.exec('CREATE TABLE schema_migrations(name TEXT)');
+      },
+    };
+
+    // We need to intercept dynamic import by esmock: provide a stub for import(url)
+    // esmock supports mocking via a virtual module using URL matching, but simpler approach:
+    // place the file path that migrate.js will compute and make Node import resolve to our stub
+    // We simulate by mocking url.pathToFileURL is still used, but dynamic import will be handled by esmock when we map the computed path.
+
+    const path = await import('node:path');
+    const ROOT = path.resolve('.');
+
+    const sqlPath = path.join(ROOT, 'lib', 'services', 'storage', 'SqliteConnection.js');
+    const loggerPath = path.join(ROOT, 'lib', 'services', 'logger.js');
+    // Use global importer hook to bypass dynamic import
+    globalThis.__TEST_MIGRATE_IMPORT__ = async () => migrationModule;
+
+    const mod = await esmock(
+      '../../../db/migrations/migrate.js',
+      {},
+      {
+        fs: fsMock,
+        crypto: cryptoMock,
+        [sqlPath]: sqlMock,
+        [loggerPath]: loggerMock,
+      },
+    );
+
+    runMigrations = mod.runMigrations;
+
+    await runMigrations();
+
+    // Should have started a transaction and inserted into schema_migrations
+    expect(calls.sql.withTransaction.length).to.equal(1);
+    const inserted = calls.sql.execute.find((e) => String(e.sql).includes('INSERT INTO schema_migrations'));
+    expect(!!inserted).to.equal(true);
+    expect(calls.sql.optimize).to.equal(1);
+  });
+
+  it('skips already executed migration with same checksum', async () => {
+    const fsMock = {
+      existsSync: () => true,
+      mkdirSync: () => {},
+      readdirSync: () => ['1.init.js'],
+      readFileSync: () => Buffer.from('dummy'),
+    };
+    const cryptoMock = { createHash: () => ({ update: () => ({ digest: () => 'same' }) }) };
+    const loggerMock = {
+      info: (...a) => calls.logs.info.push(a),
+      warn: (...a) => calls.logs.warn.push(a),
+      error: (...a) => calls.logs.error.push(a),
+    };
+
+    const sqlMock = {
+      getConnection: () => {
+        calls.sql.getConnection += 1;
+        return {};
+      },
+      tableExists: () => true,
+      query: () => [{ name: '1.init.js', checksum: 'same' }],
+      execute: (sql, params) => {
+        calls.sql.execute.push({ sql, params });
+        return { changes: 1 };
+      },
+      withTransaction: (cb) => {
+        calls.sql.withTransaction.push(true);
+        const db = { prepare: (s) => ({ run: (...args) => calls.sql.execute.push({ sql: s, params: args }) }) };
+        return cb(db);
+      },
+      optimize: () => {
+        calls.sql.optimize += 1;
+      },
+    };
+
+    const path = await import('node:path');
+    const ROOT = path.resolve('.');
+    const sqlPath = path.join(ROOT, 'lib', 'services', 'storage', 'SqliteConnection.js');
+    const loggerPath = path.join(ROOT, 'lib', 'services', 'logger.js');
+
+    globalThis.__TEST_MIGRATE_IMPORT__ = async () => ({ up: () => {} });
+
+    const mod = await esmock(
+      '../../../db/migrations/migrate.js',
+      {},
+      {
+        fs: fsMock,
+        crypto: cryptoMock,
+        [sqlPath]: sqlMock,
+        [loggerPath]: loggerMock,
+      },
+    );
+
+    runMigrations = mod.runMigrations;
+
+    await runMigrations();
+
+    // Should not run transaction because it's skipped
+    expect(calls.sql.withTransaction.length).to.equal(0);
+    expect(calls.sql.optimize).to.equal(1);
+  });
+
+  it('aborts with exitCode=1 when a migration throws, without applying insert', async () => {
+    const fsMock = {
+      existsSync: () => true,
+      mkdirSync: () => {},
+      readdirSync: () => ['1.bad.js'],
+      readFileSync: () => Buffer.from('dummy'),
+    };
+    const cryptoMock = { createHash: () => ({ update: () => ({ digest: () => 'bad' }) }) };
+    const loggerMock = {
+      info: (...a) => calls.logs.info.push(a),
+      warn: (...a) => calls.logs.warn.push(a),
+      error: (...a) => calls.logs.error.push(a),
+    };
+
+    const sqlMock = {
+      getConnection: () => {
+        calls.sql.getConnection += 1;
+        return {};
+      },
+      tableExists: () => false,
+      query: () => [],
+      execute: (sql, params) => {
+        calls.sql.execute.push({ sql, params });
+        return { changes: 1 };
+      },
+      withTransaction: (cb) => {
+        calls.sql.withTransaction.push(true);
+        const db = {
+          exec: () => {},
+          prepare: (s) => ({ run: (...args) => calls.sql.execute.push({ sql: s, params: args }) }),
+        };
+        return cb(db);
+      },
+      optimize: () => {
+        calls.sql.optimize += 1;
+      },
+    };
+
+    const path = await import('node:path');
+    const ROOT = path.resolve('.');
+
+    globalThis.__TEST_MIGRATE_IMPORT__ = async () => ({
+      up: () => {
+        throw new Error('boom');
+      },
+    });
+    const sqlPath = path.join(ROOT, 'lib', 'services', 'storage', 'SqliteConnection.js');
+    const loggerPath = path.join(ROOT, 'lib', 'services', 'logger.js');
+
+    const mod = await esmock(
+      '../../../lib/services/storage/migrations/migrate.js',
+      {},
+      {
+        fs: fsMock,
+        crypto: cryptoMock,
+        [sqlPath]: sqlMock,
+        [loggerPath]: loggerMock,
+      },
+    );
+
+    runMigrations = mod.runMigrations;
+
+    await runMigrations();
+
+    expect(process.exitCode).to.equal(1);
+    // No insert into schema_migrations should be recorded since transaction failed
+    const inserted = calls.sql.execute.find((e) => String(e.sql).includes('INSERT INTO schema_migrations'));
+    expect(inserted).to.equal(undefined);
+  });
+});

test/mocks/mockStore.js

@@ -1,8 +1,8 @@
 const db = {};
-export const setKnownListings = (jobKey, providerId, listings) => {
+export const storeListings = (jobKey, providerId, listings) => {
   if (!Array.isArray(listings)) throw Error('Not a valid array');
   db[providerId] = listings;
 };
-export const getKnownListings = (jobKey, providerId) => {
+export const getKnownListingHashesForJobAndProvider = (jobKey, providerId) => {
   return db[providerId] || [];
 };

test/provider/einsAImmobilien.test.js

@@ -25,6 +25,7 @@ describe('#einsAImmobilien testsuite()', () => {
           expect(notify.size).to.be.a('string');
           expect(notify.title).to.be.a('string');
           expect(notify.link).to.be.a('string');
+          expect(notify.address).to.be.a('string');
           /** check the values if possible **/
           expect(notify.size).to.be.not.empty;
           expect(notify.title).to.be.not.empty;

test/provider/immonet.test.js

@@ -8,31 +8,30 @@ describe('#immonet testsuite()', () => {
   after(() => {
     similarityCache.stopCacheCleanup();
   });
-  provider.init(providerConfig.immonet, [], []);
+
   it('should test immonet provider', async () => {
     const Fredy = await mockFredy();
-    return await new Promise((resolve) => {
-      const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'immonet', similarityCache);
-      fredy.execute().then((listing) => {
-        expect(listing).to.be.a('array');
-        const notificationObj = get();
-        expect(notificationObj).to.be.a('object');
-        expect(notificationObj.serviceName).to.equal('immonet');
-        notificationObj.payload.forEach((notify) => {
-          /** check the actual structure **/
-          expect(notify.id).to.be.a('string');
-          expect(notify.price).to.be.a('string');
-          expect(notify.size).to.be.a('string');
-          expect(notify.title).to.be.a('string');
-          expect(notify.link).to.be.a('string');
-          expect(notify.address).to.be.a('string');
+    provider.init(providerConfig.immonet, [], []);
 
-          expect(notify.size).that.does.include('m²');
-          expect(notify.title).to.be.not.empty;
-          expect(notify.address).to.be.not.empty;
-        });
-        resolve();
-      });
+    const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'immonet', similarityCache);
+    const listing = await fredy.execute();
+
+    expect(listing).to.be.a('array');
+    const notificationObj = get();
+    expect(notificationObj).to.be.a('object');
+    expect(notificationObj.serviceName).to.equal('immonet');
+    notificationObj.payload.forEach((notify) => {
+      /** check the actual structure **/
+      expect(notify.id).to.be.a('string');
+      expect(notify.price).to.be.a('string');
+      expect(notify.size).to.be.a('string');
+      expect(notify.title).to.be.a('string');
+      expect(notify.link).to.be.a('string');
+      expect(notify.address).to.be.a('string');
+      /** check the values if possible **/
+      expect(notify.size).that.does.include('m²');
+      expect(notify.title).to.be.not.empty;
+      expect(notify.address).to.be.not.empty;
     });
   });
 });

test/provider/immowelt.test.js

@@ -8,33 +8,32 @@ describe('#immowelt testsuite()', () => {
   after(() => {
     similarityCache.stopCacheCleanup();
   });
+
   it('should test immowelt provider', async () => {
     const Fredy = await mockFredy();
     provider.init(providerConfig.immowelt, [], []);
-    return await new Promise((resolve) => {
-      const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'immowelt', similarityCache);
-      fredy.execute().then((listing) => {
-        expect(listing).to.be.a('array');
-        const notificationObj = get();
-        expect(notificationObj).to.be.a('object');
-        expect(notificationObj.serviceName).to.equal('immowelt');
-        notificationObj.payload.forEach((notify) => {
-          /** check the actual structure **/
-          expect(notify.id).to.be.a('string');
-          expect(notify.price).to.be.a('string');
-          expect(notify.title).to.be.a('string');
-          expect(notify.link).to.be.a('string');
-          expect(notify.address).to.be.a('string');
-          /** check the values if possible **/
-          if (notify.size != null && notify.size.trim().toLowerCase() !== 'k.a.') {
-            expect(notify.size).that.does.include('m²');
-          }
-          expect(notify.title).to.be.not.empty;
-          expect(notify.link).that.does.include('https://www.immowelt.de');
-          expect(notify.address).to.be.not.empty;
-        });
-        resolve();
-      });
+
+    const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'immowelt', similarityCache);
+    const listing = await fredy.execute();
+
+    expect(listing).to.be.a('array');
+    const notificationObj = get();
+    expect(notificationObj).to.be.a('object');
+    expect(notificationObj.serviceName).to.equal('immowelt');
+    notificationObj.payload.forEach((notify) => {
+      /** check the actual structure **/
+      expect(notify.id).to.be.a('string');
+      expect(notify.price).to.be.a('string');
+      expect(notify.title).to.be.a('string');
+      expect(notify.link).to.be.a('string');
+      expect(notify.address).to.be.a('string');
+      /** check the values if possible **/
+      if (notify.size != null && notify.size.trim().toLowerCase() !== 'k.a.') {
+        expect(notify.size).that.does.include('m²');
+      }
+      expect(notify.title).to.be.not.empty;
+      expect(notify.link).that.does.include('https://www.immowelt.de');
+      expect(notify.address).to.be.not.empty;
     });
   });
 });

test/provider/mcMakler.test.js

@@ -0,0 +1,37 @@
+import * as similarityCache from '../../lib/services/similarity-check/similarityCache.js';
+import { get } from '../mocks/mockNotification.js';
+import { mockFredy, providerConfig } from '../utils.js';
+import { expect } from 'chai';
+import * as provider from '../../lib/provider/mcMakler.js';
+
+describe('#mcMakler testsuite()', () => {
+  after(() => {
+    similarityCache.stopCacheCleanup();
+  });
+
+  it('should test mcMakler provider', async () => {
+    const Fredy = await mockFredy();
+    provider.init(providerConfig.mcMakler, []);
+
+    const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'mcMakler', similarityCache);
+    const listing = await fredy.execute();
+
+    expect(listing).to.be.a('array');
+    const notificationObj = get();
+    expect(notificationObj).to.be.a('object');
+    expect(notificationObj.serviceName).to.equal('mcMakler');
+    notificationObj.payload.forEach((notify) => {
+      /** check the actual structure **/
+      expect(notify.id).to.be.a('string');
+      expect(notify.price).to.be.a('string');
+      expect(notify.size).to.be.a('string');
+      expect(notify.title).to.be.a('string');
+      expect(notify.link).to.be.a('string');
+      expect(notify.address).to.be.a('string');
+      /** check the values if possible **/
+      expect(notify.size).that.does.include('m²');
+      expect(notify.title).to.be.not.empty;
+      expect(notify.address).to.be.not.empty;
+    });
+  });
+});

test/provider/regionalimmobilien24.test.js

@@ -0,0 +1,43 @@
+import * as similarityCache from '../../lib/services/similarity-check/similarityCache.js';
+import { get } from '../mocks/mockNotification.js';
+import { mockFredy, providerConfig } from '../utils.js';
+import { expect } from 'chai';
+import * as provider from '../../lib/provider/regionalimmobilien24.js';
+
+describe('#regionalimmobilien24 testsuite()', () => {
+  after(() => {
+    similarityCache.stopCacheCleanup();
+  });
+
+  it('should test regionalimmobilien24 provider', async () => {
+    const Fredy = await mockFredy();
+    provider.init(providerConfig.regionalimmobilien24, []);
+
+    const fredy = new Fredy(
+      provider.config,
+      null,
+      provider.metaInformation.id,
+      'regionalimmobilien24',
+      similarityCache,
+    );
+    const listing = await fredy.execute();
+
+    expect(listing).to.be.a('array');
+    const notificationObj = get();
+    expect(notificationObj).to.be.a('object');
+    expect(notificationObj.serviceName).to.equal('regionalimmobilien24');
+    notificationObj.payload.forEach((notify) => {
+      /** check the actual structure **/
+      expect(notify.id).to.be.a('string');
+      expect(notify.price).to.be.a('string');
+      expect(notify.size).to.be.a('string');
+      expect(notify.title).to.be.a('string');
+      expect(notify.link).to.be.a('string');
+      expect(notify.address).to.be.a('string');
+      /** check the values if possible **/
+      expect(notify.size).that.does.include('m²');
+      expect(notify.title).to.be.not.empty;
+      expect(notify.address).to.be.not.empty;
+    });
+  });
+});

test/provider/sparkasse.test.js

@@ -0,0 +1,37 @@
+import * as similarityCache from '../../lib/services/similarity-check/similarityCache.js';
+import { get } from '../mocks/mockNotification.js';
+import { mockFredy, providerConfig } from '../utils.js';
+import { expect } from 'chai';
+import * as provider from '../../lib/provider/sparkasse.js';
+
+describe('#sparkasse testsuite()', () => {
+  after(() => {
+    similarityCache.stopCacheCleanup();
+  });
+
+  it('should test sparkasse provider', async () => {
+    const Fredy = await mockFredy();
+    provider.init(providerConfig.sparkasse, []);
+
+    const fredy = new Fredy(provider.config, null, provider.metaInformation.id, 'sparkasse', similarityCache);
+    const listing = await fredy.execute();
+
+    expect(listing).to.be.a('array');
+    const notificationObj = get();
+    expect(notificationObj).to.be.a('object');
+    expect(notificationObj.serviceName).to.equal('sparkasse');
+    notificationObj.payload.forEach((notify) => {
+      /** check the actual structure **/
+      expect(notify.id).to.be.a('string');
+      expect(notify.price).to.be.a('string');
+      expect(notify.size).to.be.a('string');
+      expect(notify.title).to.be.a('string');
+      expect(notify.link).to.be.a('string');
+      expect(notify.address).to.be.a('string');
+      /** check the values if possible **/
+      expect(notify.size).that.does.include('m²');
+      expect(notify.title).to.be.not.empty;
+      expect(notify.address).to.be.not.empty;
+    });
+  });
+});

test/provider/testProvider.json

@@ -28,10 +28,22 @@
     "url": "https://www.kleinanzeigen.de/s-immobilien/duesseldorf/anzeige:angebote/wohnung/k0c195l2068r5",
     "enabled": true
   },
+  "mcMakler": {
+    "url": "https://www.mcmakler.de/immobilien/results?placeId=62649&search=Leipzig%252C+Sachsen&propertyTypes=APARTMENT&page=0",
+    "enabled": true
+  },
   "neubauKompass": {
     "url": "https://www.neubaukompass.de/neubau-immobilien/duesseldorf-region/eigentumswohnung/",
     "enabled": true
   },
+  "regionalimmobilien24": {
+    "url": "https://www.regionalimmobilien24.de/rostock/rostock/kaufen/haus/-/-/-/?rd=5",
+    "enabled": true
+  },
+  "sparkasse": {
+    "url": "https://immobilien.sparkasse.de/immobilien/treffer?marketingType=buy&objectType=flat&perimeter=10&usageType=residential&zipCityEstateId=62782__Hamburg",
+    "enabled": true
+  },
   "wgGesucht": {
     "url": "https://www.wg-gesucht.de/wg-zimmer-in-Duesseldorf.30.0.1.0.html",
     "enabled": true

test/provider/utils.test.js

@@ -1,4 +1,4 @@
-import utils from '../../lib/utils.js';
+import { isOneOf, duringWorkingHoursOrNotSet } from '../../lib/utils.js';
 import assert from 'assert';
 import { expect } from 'chai';
 
@@ -8,30 +8,45 @@ const fakeWorkingHoursConfig = (from, to) => ({
     from,
   },
 });
+
 describe('utils', () => {
   describe('#isOneOf()', () => {
     it('should be false', () => {
-      assert.equal(utils.isOneOf('bla', ['blub']), false);
+      assert.equal(isOneOf('bla', ['blub']), false);
     });
     it('should be true', () => {
-      assert.equal(utils.isOneOf('bla blub blubber', ['bla']), true);
+      assert.equal(isOneOf('bla blub blubber', ['bla']), true);
     });
   });
   describe('#duringWorkingHoursOrNotSet()', () => {
     it('should be false', () => {
-      expect(utils.duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('12:00', '13:00'), 0)).to.be.false;
+      expect(duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('12:00', '13:00'), 0)).to.be.false;
     });
     it('should be true', () => {
-      expect(utils.duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('10:00', '16:00'), 1622026740000)).to.be.true;
+      expect(duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('10:00', '16:00'), 1622026740000)).to.be.true;
     });
     it('should be true if nothing set', () => {
-      expect(utils.duringWorkingHoursOrNotSet(fakeWorkingHoursConfig(null, null), 1622026740000)).to.be.true;
+      expect(duringWorkingHoursOrNotSet(fakeWorkingHoursConfig(null, null), 1622026740000)).to.be.true;
     });
     it('should be true if only to is set', () => {
-      expect(utils.duringWorkingHoursOrNotSet(fakeWorkingHoursConfig(null, '13:00'), 1622026740000)).to.be.true;
+      expect(duringWorkingHoursOrNotSet(fakeWorkingHoursConfig(null, '13:00'), 1622026740000)).to.be.true;
     });
     it('should be true if only from is set', () => {
-      expect(utils.duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('12:00', null), 1622026740000)).to.be.true;
+      expect(duringWorkingHoursOrNotSet(fakeWorkingHoursConfig('12:00', null), 1622026740000)).to.be.true;
+    });
+    it('should handle working hours that cross midnight (e.g., 05:00 → 00:30)', () => {
+      const cfg = fakeWorkingHoursConfig('05:00', '00:30');
+      const mkTs = (h, m = 0) => {
+        const d = new Date();
+        d.setHours(h);
+        d.setMinutes(m);
+        d.setSeconds(0);
+        d.setMilliseconds(0);
+        return d.getTime();
+      };
+      expect(duringWorkingHoursOrNotSet(cfg, mkTs(23, 0))).to.be.true; // 23:00 => within window
+      expect(duringWorkingHoursOrNotSet(cfg, mkTs(1, 0))).to.be.false; // 01:00 => outside window
+      expect(duringWorkingHoursOrNotSet(cfg, mkTs(6, 0))).to.be.true; // 06:00 => within window
     });
   });
 });

test/services/immoscout/immoscout-web-translator.test.js

@@ -53,7 +53,7 @@ describe('#immoscout-mobile URL conversion', () => {
       const response = await fetch(url, {
         method: 'POST',
         headers: {
-          'User-Agent': 'ImmoScout24_1410_30_._',
+          'User-Agent': 'ImmoScout_27.3_26.0_._',
           'Content-Type': 'application/json',
         },
         body: JSON.stringify({

test/storage/SqliteConnection.test.js

@@ -0,0 +1,142 @@
+import { expect } from 'chai';
+import esmock from 'esmock';
+
+// We explicitly avoid touching the real filesystem or creating a real DB file.
+// better-sqlite3 is fully mocked and operates in-memory via our stubs.
+
+describe('SqliteConnection', () => {
+  let SqliteConnection;
+  let calls;
+
+  beforeEach(async () => {
+    calls = {
+      fs: { existsSync: [], mkdirSync: [] },
+      db: { pragma: [], prepare: [], transactionWraps: 0, close: 0 },
+      prepareAll: [],
+      prepareRun: [],
+      prepareGet: [],
+      processOnce: [],
+      logs: { warn: [], debug: [] },
+    };
+
+    // stub for fs
+    const fsMock = {
+      existsSync: (dir) => {
+        calls.fs.existsSync.push(dir);
+        // Pretend directory always exists to avoid mkdir
+        return true;
+      },
+      mkdirSync: (dir, opts) => {
+        calls.fs.mkdirSync.push({ dir, opts });
+      },
+    };
+
+    // Prepare object returned from db.prepare()
+    const prepareObj = {
+      all: (params) => {
+        calls.prepareAll.push(params);
+        return [{ x: 1 }];
+      },
+      run: (params) => {
+        calls.prepareRun.push(params);
+        return { changes: 1 };
+      },
+      get: (param) => {
+        calls.prepareGet.push(param);
+        // return truthy by default
+        return { one: 1 };
+      },
+    };
+
+    // Database mock constructor
+    const BetterSqlite3Mock = function (filepath, options) {
+      // expose on instance
+      this.filepath = filepath;
+      this.options = options;
+      this.pragma = (p) => {
+        calls.db.pragma.push(p);
+        return undefined;
+      };
+      this.prepare = (sql) => {
+        calls.db.prepare.push(sql);
+        return prepareObj;
+      };
+      this.transaction = (fn) => {
+        // better-sqlite3 returns a function that executes inside a transaction
+        return (cb) => {
+          calls.db.transactionWraps += 1;
+          return fn(cb);
+        };
+      };
+      this.close = () => {
+        calls.db.close += 1;
+      };
+    };
+
+    // esmock the module with our stubs
+    SqliteConnection = await esmock(
+      '../../lib/services/storage/SqliteConnection.js',
+      {},
+      {
+        fs: fsMock,
+        'better-sqlite3': { default: BetterSqlite3Mock },
+      },
+    );
+  });
+
+  afterEach(() => {
+    // ensure we can close between tests
+    SqliteConnection.close();
+  });
+
+  it('creates singleton connection and applies PRAGMAs without touching disk', () => {
+    const db1 = SqliteConnection.getConnection();
+    const db2 = SqliteConnection.getConnection();
+
+    expect(db1).to.equal(db2);
+    // journal_mode, synchronous, cache_size, foreign_keys, optimize
+    expect(calls.db.pragma).to.deep.equal([
+      'journal_mode = WAL',
+      'synchronous = NORMAL',
+      'cache_size = -64000',
+      'foreign_keys = ON',
+      'optimize',
+    ]);
+    // mkdirSync should not be called because existsSync returned true
+    expect(calls.fs.mkdirSync).to.have.length(0);
+  });
+
+  it('executes query and execute helpers', () => {
+    const rows = SqliteConnection.query('SELECT 1', {});
+    expect(rows).to.be.an('array');
+    expect(rows[0]).to.deep.equal({ x: 1 });
+
+    const info = SqliteConnection.execute('UPDATE x SET y=1 WHERE id=@id', { id: 5 });
+    expect(info).to.have.property('changes', 1);
+  });
+
+  it('tableExists uses sqlite_master get()', () => {
+    const exists = SqliteConnection.tableExists('users');
+    expect(exists).to.equal(true);
+  });
+
+  it('withTransaction wraps callback', () => {
+    const result = SqliteConnection.withTransaction((db) => {
+      // ensure we can use the db to prepare
+      db.prepare('SELECT inside').all({});
+      return 42;
+    });
+    expect(result).to.equal(42);
+    expect(calls.db.prepare).to.include('SELECT inside');
+  });
+
+  it('optimize() delegates to PRAGMA optimize and close() calls it again then closes', () => {
+    SqliteConnection.optimize();
+    // It will use the existing connection and call pragma('optimize')
+    expect(calls.db.pragma).to.include('optimize');
+
+    SqliteConnection.close();
+    // close increments close counter
+    expect(calls.db.close).to.equal(1);
+  });
+});

ui/src/App.jsx

@@ -6,34 +6,40 @@ import GeneralSettings from './views/generalSettings/GeneralSettings';
 import JobMutation from './views/jobs/mutation/JobMutation';
 import UserMutator from './views/user/mutation/UserMutator';
 import JobInsight from './views/jobs/insights/JobInsight.jsx';
-import { useDispatch, useSelector } from 'react-redux';
+import { useActions, useSelector } from './services/state/store';
 import { Routes, Route, Navigate } from 'react-router-dom';
-import Logout from './components/logout/Logout';
-import Logo from './components/logo/Logo';
-import Menu from './components/menu/Menu';
 import Login from './views/login/Login';
 import Users from './views/user/Users';
 import Jobs from './views/jobs/Jobs';
 
 import './App.less';
 import TrackingModal from './components/tracking/TrackingModal.jsx';
-import { Banner } from '@douyinfe/semi-ui';
+import { Banner, Divider } from '@douyinfe/semi-ui';
+import VersionBanner from './components/version/VersionBanner.jsx';
+import Listings from './views/listings/Listings.jsx';
+import Navigation from './components/navigation/Navigation.jsx';
+import { Layout } from '@douyinfe/semi-ui';
+import FredyFooter from './components/footer/FredyFooter.jsx';
+import ProcessingTimes from './views/jobs/ProcessingTimes.jsx';
 
 export default function FredyApp() {
-  const dispatch = useDispatch();
+  const actions = useActions();
   const [loading, setLoading] = React.useState(true);
   const currentUser = useSelector((state) => state.user.currentUser);
+  const versionUpdate = useSelector((state) => state.versionUpdate.versionUpdate);
   const settings = useSelector((state) => state.generalSettings.settings);
+  const processingTimes = useSelector((state) => state.jobs.processingTimes);
 
   useEffect(() => {
     async function init() {
-      await dispatch.user.getCurrentUser();
+      await actions.user.getCurrentUser();
       if (!needsLogin()) {
-        await dispatch.provider.getProvider();
-        await dispatch.jobs.getJobs();
-        await dispatch.jobs.getProcessingTimes();
-        await dispatch.notificationAdapter.getAdapter();
-        await dispatch.generalSettings.getGeneralSettings();
+        await actions.provider.getProvider();
+        await actions.jobs.getJobs();
+        await actions.jobs.getProcessingTimes();
+        await actions.notificationAdapter.getAdapter();
+        await actions.generalSettings.getGeneralSettings();
+        await actions.versionUpdate.getVersionUpdate();
       }
       setLoading(false);
     }
@@ -46,81 +52,88 @@ export default function FredyApp() {
   };
 
   const isAdmin = () => currentUser != null && currentUser.isAdmin;
+  const { Footer, Sider, Content } = Layout;
 
-  const login = () => (
+  return loading ? null : needsLogin() ? (
     <Routes>
       <Route path="/login" element={<Login />} />
       <Route path="*" element={<Navigate to="/login" replace />} />
     </Routes>
-  );
-
-  return loading ? null : needsLogin() ? (
-    login()
   ) : (
-    <div className="app">
-      <div className="app__container">
-        <Logout />
-        <Logo width={190} white />
-        <Menu isAdmin={isAdmin()} />
+    <Layout className="app">
+      <Layout className="app">
+        <Sider>
+          <Navigation isAdmin={isAdmin()} />
+        </Sider>
+        <Content>
+          {versionUpdate?.newVersion && <VersionBanner />}
+          {settings.demoMode && (
+            <>
+              <Banner
+                fullMode={true}
+                type="info"
+                bordered
+                closeIcon={null}
+                description="You're currently viewing the demo version of Fredy. Jobs won't scrape websites, and any changes you make will be reverted at midnight."
+              />
+              <br />
+            </>
+          )}
+          {settings.analyticsEnabled === null && !settings.demoMode && <TrackingModal />}
+          {processingTimes != null && <ProcessingTimes processingTimes={processingTimes} />}
+          <Divider />
+          <div className="app__content">
+            <Routes>
+              <Route path="/403" element={<InsufficientPermission />} />
+              <Route path="/jobs/new" element={<JobMutation />} />
+              <Route path="/jobs/edit/:jobId" element={<JobMutation />} />
+              <Route path="/jobs/insights/:jobId" element={<JobInsight />} />
+              <Route path="/jobs" element={<Jobs />} />
+              <Route path="/listings" element={<Listings />} />
 
-        {settings.demoMode && (
-          <>
-            <Banner
-              fullMode={true}
-              type="info"
-              bordered
-              closeIcon={null}
-              description="You're currently viewing the demo version of Fredy. Jobs won't scrape websites, and any changes you make will be reverted at midnight."
-            />
-            <br />
-          </>
-        )}
-        {settings.analyticsEnabled === null && !settings.demoMode && <TrackingModal />}
-        <Routes>
-          <Route path="/403" element={<InsufficientPermission />} />
-          <Route path="/jobs/new" element={<JobMutation />} />
-          <Route path="/jobs/edit/:jobId" element={<JobMutation />} />
-          <Route path="/jobs/insights/:jobId" element={<JobInsight />} />
-          <Route path="/jobs" element={<Jobs />} />
+              {/* Permission-aware routes */}
+              <Route
+                path="/users/new"
+                element={
+                  <PermissionAwareRoute currentUser={currentUser}>
+                    <UserMutator />
+                  </PermissionAwareRoute>
+                }
+              />
+              <Route
+                path="/users/edit/:userId"
+                element={
+                  <PermissionAwareRoute currentUser={currentUser}>
+                    <UserMutator />
+                  </PermissionAwareRoute>
+                }
+              />
+              <Route
+                path="/users"
+                element={
+                  <PermissionAwareRoute currentUser={currentUser}>
+                    <Users />
+                  </PermissionAwareRoute>
+                }
+              />
+              <Route
+                path="/generalSettings"
+                element={
+                  <PermissionAwareRoute currentUser={currentUser}>
+                    <GeneralSettings />
+                  </PermissionAwareRoute>
+                }
+              />
 
-          {/* Permission-aware routes */}
-          <Route
-            path="/users/new"
-            element={
-              <PermissionAwareRoute currentUser={currentUser}>
-                <UserMutator />
-              </PermissionAwareRoute>
-            }
-          />
-          <Route
-            path="/users/edit/:userId"
-            element={
-              <PermissionAwareRoute currentUser={currentUser}>
-                <UserMutator />
-              </PermissionAwareRoute>
-            }
-          />
-          <Route
-            path="/users"
-            element={
-              <PermissionAwareRoute currentUser={currentUser}>
-                <Users />
-              </PermissionAwareRoute>
-            }
-          />
-          <Route
-            path="/generalSettings"
-            element={
-              <PermissionAwareRoute currentUser={currentUser}>
-                <GeneralSettings />
-              </PermissionAwareRoute>
-            }
-          />
-
-          <Route path="/" element={<Navigate to="/jobs" replace />} />
-        </Routes>
-      </div>
-    </div>
+              <Route path="/" element={<Navigate to="/jobs" replace />} />
+            </Routes>
+          </div>
+        </Content>
+      </Layout>
+      <Footer>
+        <FredyFooter />
+      </Footer>
+    </Layout>
   );
 }
 

ui/src/App.less

@@ -1,12 +1,9 @@
 .app {
-  display: flex;
-  flex-direction: column;
+  height: 100%;
   width: 100%;
 
-  &__container {
-    padding: 1rem 1rem;
-    color: var(--semi-color-text-0);
-    background-color: #232429;
+  &__content {
+    margin: 1rem;
   }
 }
 

ui/src/Index.jsx

@@ -1,8 +1,6 @@
 import React from 'react';
 
-import { reduxStore } from './services/rematch/store';
 import { HashRouter } from 'react-router-dom';
-import { Provider } from 'react-redux';
 import { createRoot } from 'react-dom/client';
 import en_US from '@douyinfe/semi-ui/lib/es/locale/source/en_US';
 import { LocaleProvider } from '@douyinfe/semi-ui';
@@ -18,11 +16,9 @@ initVChartSemiTheme({
 });
 
 root.render(
-  <Provider store={reduxStore}>
-    <HashRouter>
-      <LocaleProvider locale={en_US}>
-        <App />
-      </LocaleProvider>
-    </HashRouter>
-  </Provider>,
+  <HashRouter>
+    <LocaleProvider locale={en_US}>
+      <App />
+    </LocaleProvider>
+  </HashRouter>,
 );

ui/src/components/footer/FredyFooter.jsx

@@ -0,0 +1,19 @@
+import React from 'react';
+import './FredyFooter.less';
+import { useSelector } from '../../services/state/store.js';
+import { Typography } from '@douyinfe/semi-ui';
+
+export default function FredyFooter() {
+  const { Text } = Typography;
+  const version = useSelector((state) => state.versionUpdate.versionUpdate);
+  return (
+    <div className="fredyFooter">
+      <div className="fredyFooter__version">
+        <Text type="tertiary">Fredy V{version?.localFredyVersion || 'N/A'}</Text>
+      </div>
+      <div className="fredyFooter__copyRight">
+        <Text link={{ href: 'https://github.com/orangecoding', target: '_blank' }}>Made with ❤️</Text>
+      </div>
+    </div>
+  );
+}

ui/src/components/footer/FredyFooter.less

@@ -0,0 +1,18 @@
+.fredyFooter {
+  background:rgb(53, 54, 60);
+  color: white;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  height: 1.7rem;
+
+  &__version {
+    padding-left: .5rem;
+    font-size: small;
+
+  }
+  &__copyRight {
+    padding-right: 1rem;
+
+  }
+}

ui/src/components/logo/Logo.jsx

@@ -5,5 +5,5 @@ import logoWhite from '../../assets/logo_white.png';
 import './Logo.less';
 
 export default function Logo({ width = 350, white = false } = {}) {
-  return <img src={white ? logoWhite : logo} width={width} className="logo" />;
+  return <img src={white ? logoWhite : logo} width={width} className="logo" alt="Fredy Logo" />;
 }

ui/src/components/logout/Logout.jsx

@@ -2,19 +2,22 @@ import React from 'react';
 import { Button } from '@douyinfe/semi-ui';
 import { xhrPost } from '../../services/xhr';
 import { IconUser } from '@douyinfe/semi-icons';
-const Logout = function Logout() {
+
+const Logout = function Logout({ text }) {
   return (
-    <Button
-      icon={<IconUser />}
-      type="danger"
-      theme="solid"
-      onClick={async () => {
-        await xhrPost('/api/login/logout');
-        location.reload();
-      }}
-    >
-      Logout
-    </Button>
+    <div>
+      <Button
+        icon={<IconUser />}
+        type="danger"
+        theme="solid"
+        onClick={async () => {
+          await xhrPost('/api/login/logout');
+          location.reload();
+        }}
+      >
+        {text && 'Logout'}
+      </Button>
+    </div>
   );
 };
 

ui/src/components/menu/Menu.jsx

@@ -1,56 +0,0 @@
-import React from 'react';
-import { useNavigate } from 'react-router-dom';
-import { Tabs, TabPane } from '@douyinfe/semi-ui';
-
-import { useLocation } from 'react-router-dom';
-import { IconUser, IconTerminal, IconSetting } from '@douyinfe/semi-icons';
-import './Menu.less';
-
-function parsePathName(name) {
-  const split = name.split('/').filter((s) => s.length !== 0);
-  return '/' + split[0];
-}
-
-const TopMenu = function TopMenu({ isAdmin }) {
-  const navigate = useNavigate();
-  const location = useLocation();
-  return (
-    <Tabs className="menu" type="line" activeKey={parsePathName(location.pathname)} onTabClick={(key) => navigate(key)}>
-      <TabPane
-        itemKey="/jobs"
-        tab={
-          <span>
-            <IconTerminal />
-            Jobs
-          </span>
-        }
-      />
-
-      {isAdmin && (
-        <TabPane
-          itemKey="/users"
-          tab={
-            <span>
-              <IconUser />
-              User
-            </span>
-          }
-        />
-      )}
-
-      {isAdmin && (
-        <TabPane
-          itemKey="/generalSettings"
-          tab={
-            <span>
-              <IconSetting />
-              General
-            </span>
-          }
-        />
-      )}
-    </Tabs>
-  );
-};
-
-export default TopMenu;

ui/src/components/menu/Menu.less

@@ -1,3 +0,0 @@
-.menu {
-  margin-top: 3rem;
-}

ui/src/components/navigation/Navigate.less

@@ -0,0 +1,9 @@
+.navigate {
+  &__logout_Button {
+    align-items: center;
+    justify-content: center;
+    width: 100%;
+    display: flex;
+
+  }
+}

ui/src/components/navigation/Navigation.jsx

@@ -0,0 +1,50 @@
+import React from 'react';
+import { Nav } from '@douyinfe/semi-ui';
+import { IconUser, IconStar, IconSetting, IconTerminal } from '@douyinfe/semi-icons';
+import logoWhite from '../../assets/logo_white.png';
+import Logout from '../logout/Logout.jsx';
+import { useLocation, useNavigate } from 'react-router-dom';
+
+import './Navigate.less';
+import { useScreenWidth } from '../../hooks/screenWidth.js';
+
+export default function Navigation({ isAdmin }) {
+  const navigate = useNavigate();
+  const location = useLocation();
+
+  const width = useScreenWidth();
+  const collapsed = width <= 850;
+
+  const items = [
+    { itemKey: '/jobs', text: 'Jobs', icon: <IconTerminal /> },
+    { itemKey: '/listings', text: 'Found Listings', icon: <IconStar /> },
+  ];
+
+  if (isAdmin) {
+    items.push({ itemKey: '/users', text: 'User Management', icon: <IconUser /> });
+    items.push({ itemKey: '/generalSettings', text: 'Settings', icon: <IconSetting /> });
+  }
+
+  function parsePathName(name) {
+    const split = name.split('/').filter((s) => s.length !== 0);
+    return '/' + split[0];
+  }
+
+  return (
+    <Nav
+      style={{ height: '100%', width: collapsed ? '' : '13rem' }}
+      items={items}
+      isCollapsed={collapsed}
+      selectedKeys={[parsePathName(location.pathname)]}
+      onSelect={(key) => {
+        navigate(key.itemKey);
+      }}
+      header={<img src={logoWhite} width="180" alt="Fredy Logo" />}
+      footer={
+        <div className="navigate__logout_Button">
+          <Logout text={!collapsed} />
+        </div>
+      }
+    />
+  );
+}

ui/src/components/segment/SegmentPart.jsx

@@ -8,6 +8,7 @@ export const SegmentPart = ({ name, Icon = null, children, helpText }) => {
 
   return (
     <Card
+      className="segmentParts"
       title={
         <Meta title={name} description={helpText} avatar={Icon == null ? null : <Icon size="extra-extra-small" />} />
       }

ui/src/components/segment/SegmentParts.less

@@ -1,4 +1,7 @@
 .segmentParts {
   border: 1px solid #323232 !important;
   border-radius: 5px !important;
+  color: rgba(var(--semi-grey-8), 1);
+  background: rgb(53, 54, 60);
+  margin: 2rem;
 }

ui/src/components/table/JobTable.jsx

@@ -1,7 +1,7 @@
 import React from 'react';
 
-import { Button, Empty, Table, Switch } from '@douyinfe/semi-ui';
-import { IconDelete, IconEdit, IconHistogram } from '@douyinfe/semi-icons';
+import { Button, Empty, Table, Switch, Popover } from '@douyinfe/semi-ui';
+import { IconDelete, IconDescend2, IconEdit, IconHistogram } from '@douyinfe/semi-icons';
 import { IllustrationNoResult, IllustrationNoResultDark } from '@douyinfe/semi-illustrations';
 
 import './JobTable.less';
@@ -10,11 +10,20 @@ const empty = (
   <Empty
     image={<IllustrationNoResult />}
     darkModeImage={<IllustrationNoResultDark />}
-    description={'No jobs available.'}
+    description="No jobs available. Why don't you create one? ;)"
   />
 );
 
-export default function JobTable({ jobs = {}, onJobRemoval, onJobStatusChanged, onJobEdit, onJobInsight } = {}) {
+const getPopoverContent = (text) => <article className="jobPopoverContent">{text}</article>;
+
+export default function JobTable({
+  jobs = {},
+  onJobRemoval,
+  onJobStatusChanged,
+  onJobEdit,
+  onJobInsight,
+  onListingRemoval,
+} = {}) {
   return (
     <Table
       pagination={false}
@@ -32,7 +41,7 @@ export default function JobTable({ jobs = {}, onJobRemoval, onJobStatusChanged,
           dataIndex: 'name',
         },
         {
-          title: 'Findings',
+          title: 'Listings',
           dataIndex: 'numberOfFoundListings',
           render: (value) => {
             return value || 0;
@@ -58,9 +67,18 @@ export default function JobTable({ jobs = {}, onJobRemoval, onJobStatusChanged,
           render: (_, job) => {
             return (
               <div className="interactions">
-                <Button type="primary" icon={<IconHistogram />} onClick={() => onJobInsight(job.id)} />
-                <Button type="secondary" icon={<IconEdit />} onClick={() => onJobEdit(job.id)} />
-                <Button type="danger" icon={<IconDelete />} onClick={() => onJobRemoval(job.id)} />
+                <Popover content={getPopoverContent('Job Insights')}>
+                  <Button type="primary" icon={<IconHistogram />} onClick={() => onJobInsight(job.id)} />
+                </Popover>
+                <Popover content={getPopoverContent('Edit a Job')}>
+                  <Button type="secondary" icon={<IconEdit />} onClick={() => onJobEdit(job.id)} />
+                </Popover>
+                <Popover content={getPopoverContent('Delete all found Listings of this Job')}>
+                  <Button type="danger" icon={<IconDescend2 />} onClick={() => onListingRemoval(job.id)} />
+                </Popover>
+                <Popover content={getPopoverContent('Delete Job')}>
+                  <Button type="danger" icon={<IconDelete />} onClick={() => onJobRemoval(job.id)} />
+                </Popover>
               </div>
             );
           },