adding immoscout shape search

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

@@ -168,10 +168,6 @@ export function convertWebToMobile(webUrl) {
     }
   }
 
-  if (segments.includes('shape')) {
-    throw new Error('Shape is currently not supported using Immoscout');
-  }
-
   const { query: rawParams } = queryString.parseUrl(webUrl, { arrayFormat: 'comma' });
   const webParams = Object.fromEntries(
     Object.entries(rawParams).filter(([key]) => key !== 'enteredFrom' && PARAM_NAME_MAP[key]),
@@ -179,18 +175,31 @@ export function convertWebToMobile(webUrl) {
 
   const geocodes = `/${segments.slice(2, segments.length - 1).join('/')}`;
   const isRadius = segments.includes('radius');
+  const isShape = segments.includes('shape');
   const mobileParams = {
-    searchType: isRadius ? 'radius' : 'region',
+    searchType: isRadius ? 'radius' : isShape ? 'shape' : 'region',
     realestatetype: realType,
-    ...(isRadius ? {} : { geocodes }),
+    ...(isRadius || isShape ? {} : { geocodes }),
     ...additionalParamsFromWebPath,
   };
 
+  if (isShape && !webParams.shape) {
+    throw new Error('Shape search URL is missing the required "shape" query parameter');
+  }
+
+  if (isShape && webParams.shape) {
+    const browserShape = webParams.shape;
+    const normalized = browserShape.replace(/\.\./g, '==').replace(/\./g, '=');
+    const polyline = Buffer.from(normalized, 'base64').toString('utf-8');
+    mobileParams.shape = polyline;
+  }
+
   if (webParams.geocoordinates) {
     mobileParams.geocoordinates = webParams.geocoordinates;
   }
 
   for (const [key, val] of Object.entries(webParams)) {
+    if (key === 'shape') continue;
     if (key === 'equipment') {
       const items = [].concat(val).flatMap((v) => `${v}`.split(','));
       const currentEquipmentParams = mobileParams[PARAM_NAME_MAP[key]];