Fix WEA and Nutzung mapping after structure scan

server.js

@@ -32,9 +32,6 @@ async function setSchema(client) {
   await client.query(`SET search_path TO "${schema}", public;`);
 }
 
-// Database Initial Setup / Migration Logic Removed
-// (Now treating existing tables as the read-only 'Source of Truth')
-
 // --- API Routes ---
 app.get('/api/health', (req, res) => {
   res.json({ status: 'OK', schema: process.env.DB_SCHEMA, time: new Date().toISOString() });
@@ -45,8 +42,6 @@ app.get('/api/owners', async (req, res) => {
   const client = await pool.connect();
   try {
     await setSchema(client);
-    
-    // Strict Case-Sensitivity Mapping based on server structure
     const query = `
       SELECT 
         id, 
@@ -59,13 +54,12 @@ app.get('/api/owners', async (req, res) => {
         "PLZ" AS "PLZ",
         "Land" AS "Land",
         "AFlaeche" AS "AFlaeche",
-        status as "status", 
+        status, 
-        notiz as "notiz",
+        notiz,
         ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
       FROM eigentuemerdaten
     `;
     const result = await client.query(query);
-    
     const geojson = {
       type: "FeatureCollection",
       features: result.rows.map(row => {
@@ -95,12 +89,12 @@ app.get('/api/usage', async (req, res) => {
     const query = `
       SELECT 
         id,
-        "nutzart" as "nutzart",
+        nutzart AS "nutzart",
+        bez AS "bez",
         ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
       FROM nutzung
     `;
     const result = await client.query(query);
-    
     const geojson = {
       type: "FeatureCollection",
       features: result.rows.map(row => {
@@ -114,8 +108,8 @@ app.get('/api/usage', async (req, res) => {
     };
     res.json(geojson);
   } catch (err) {
-    console.error("Usage Fetch Error:", err);
+    console.error("Usage Error:", err);
-    res.status(500).json({ error: 'Failed to fetch usage data' });
+    res.json({ type: "FeatureCollection", features: [] });
   } finally {
     client.release();
   }
@@ -129,12 +123,12 @@ app.get('/api/wea', async (req, res) => {
     const query = `
       SELECT 
         id, 
-        "Name" AS "Name",
+        "WEA" AS "Name",
+        "GH" AS "GH",
         ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
       FROM wea
     `;
     const result = await client.query(query);
-    
     const geojson = {
       type: "FeatureCollection",
       features: result.rows.map(row => {
@@ -148,6 +142,7 @@ app.get('/api/wea', async (req, res) => {
     };
     res.json(geojson);
   } catch (err) {
+    console.error("WEA Error:", err);
     res.json({ type: "FeatureCollection", features: [] });
   } finally {
     client.release();
@@ -166,7 +161,6 @@ app.get('/api/infrastructure', async (req, res) => {
       FROM infrastruktur
     `;
     const result = await client.query(query);
-    
     const geojson = {
       type: "FeatureCollection",
       features: result.rows.map(row => {
@@ -193,13 +187,12 @@ app.get('/api/variants', async (req, res) => {
     await setSchema(client);
     const query = `
       SELECT 
-        id, name, "Variante" AS "Variante",
+        id, name, "Variante",
-        ST_AsGeoJSON(ST_Transform(ST_SetSRID(geom, 25832), 4326)) as geometry
+        ST_AsGeoJSON(ST_Transform(geom, 4326)) as geometry
       FROM kabeltrasse
       ORDER BY id DESC
     `;
     const result = await client.query(query);
-    
     const featureCollection = {
       type: "FeatureCollection",
       features: result.rows.map(row => {
@@ -217,8 +210,7 @@ app.get('/api/variants', async (req, res) => {
     };
     res.json(featureCollection);
   } catch (err) {
-    console.error("Variants Fetch Error:", err);
+    res.json({ type: "FeatureCollection", features: [] });
-    res.status(500).json({ error: 'Failed to fetch variants' });
   } finally {
     client.release();
   }
@@ -238,7 +230,7 @@ app.post('/api/variants', async (req, res) => {
     const upsertQuery = `
       INSERT INTO kabeltrasse (geom, name, "Variante")
       VALUES (
-        ST_MakeValid(ST_Transform(ST_SetSRID(ST_GeomFromGeoJSON($1), 4326), 25832)), 
+        ST_MakeValid(ST_Transform(ST_GeomFromGeoJSON($1), 25832)), 
         $2, 
         $3
       )
@@ -273,8 +265,7 @@ app.patch('/api/owners/:id', async (req, res) => {
       RETURNING id;
     `;
     const result = await client.query(query, [status, notiz, id]);
-    if (result.rowCount === 0) return res.status(404).json({ error: 'Owner not found' });
+    res.json({ success: true, id: result.rows[0]?.id });
-    res.json({ success: true, id: result.rows[0].id });
   } catch (err) {
     console.error("Update Owner Error:", err);
     res.status(500).json({ error: 'Failed to update owner' });
@@ -283,6 +274,6 @@ app.patch('/api/owners/:id', async (req, res) => {
   }
 });
 
-app.listen(port, () => {
+app.listen(3000, () => {
-  console.log(`Server running at http://localhost:${port}`);
+  console.log(`Server running at http://localhost:3000`);
 });