add db api

server/routers/kfu-m-24-1/sber_mobile/user_apartments.js

@@ -0,0 +1,18 @@
+const router = require('express').Router();
+const { getSupabaseClient } = require('./supabaseClient');
+
+// Получить все квартиры пользователя
+router.get('/user-apartments', async (req, res) => {
+  const supabase = getSupabaseClient();
+  const { user_id } = req.query;
+  if (!user_id) return res.status(400).json({ error: 'user_id required' });
+  const { data: links, error: err1 } = await supabase.from('apartment_residents').select('apartment_id').eq('user_id', user_id);
+  if (err1) return res.status(400).json({ error: err1.message });
+  const apartmentIds = links.map(l => l.apartment_id);
+  if (!apartmentIds.length) return res.json([]);
+  const { data, error } = await supabase.from('apartments').select('*').in('id', apartmentIds);
+  if (error) return res.status(400).json({ error: error.message });
+  res.json(data);
+});
+
+module.exports = router;