adding wohnungsboerse provider

lib/provider/wohnungsboerse.js

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2026 by Christian Kellner.
+ * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
+ */
+
+import * as utils from '../utils.js';
+
+let appliedBlackList = [];
+
+function normalize(o) {
+  const id = o.link.split('/').pop();
+  const price = o.price;
+  const size = o.size;
+  const rooms = o.rooms;
+  const [city = '', part = ''] = (o.description || '').split('-').map((v) => v.trim());
+  const address = `${part}, ${city}`;
+  return Object.assign(o, { id, price, size, rooms, address });
+}
+
+function applyBlacklist(o) {
+  const titleNotBlacklisted = !utils.isOneOf(o.title, appliedBlackList);
+  const descNotBlacklisted = !utils.isOneOf(o.description, appliedBlackList);
+  return o.id != null && o.title != null && titleNotBlacklisted && descNotBlacklisted && o.link.startsWith(o.link);
+}
+
+const config = {
+  url: null,
+  sortByDateParam: null,
+  waitForSelector: 'body',
+  crawlContainer: '.search_result_container > a',
+  crawlFields: {
+    id: '*',
+    title: 'h3 | trim',
+    price: 'dl:nth-of-type(1) dd | removeNewline | trim',
+    rooms: 'dl:nth-of-type(2) dd | removeNewline | trim',
+    size: 'dl:nth-of-type(3) dd | removeNewline | trim',
+    description: 'div.before\\:icon-location_marker | trim',
+    link: '@href',
+    imageUrl: 'img@src',
+  },
+  normalize: normalize,
+  filter: applyBlacklist,
+};
+
+export const init = (sourceConfig, blacklistTerms) => {
+  config.url = sourceConfig.url;
+  appliedBlackList = blacklistTerms || [];
+};
+
+export const metaInformation = {
+  name: 'Wohnungsboerse',
+  baseUrl: 'https://www.wohnungsboerse.net',
+  id: 'wohnungsboerse',
+};
+
+export { config };