Fix #90

backend/src/routes/functions.ts

@@ -100,20 +100,25 @@ export default async function functionRoutes(server: FastifyInstance) {
 
     server.get('/functions/check-zip/:zip', async (req, reply) => {
         const { zip } = req.params as { zip: string }
+        const normalizedZip = String(zip || "").replace(/\D/g, "")
 
-        if (!zip) {
-            return reply.code(400).send({ error: 'ZIP is required' })
+        if (normalizedZip.length !== 5) {
+            return reply.code(400).send({ error: 'ZIP must contain exactly 5 digits' })
         }
 
         try {
-            //@ts-ignore
-            const data = await server.db.select().from(citys).where(eq(citys.zip,zip))
+            const data = await server.db
+                .select()
+                .from(citys)
+                .where(eq(citys.zip, Number(normalizedZip)))
 
 
-            if (!data) {
+            if (!data.length) {
                 return reply.code(404).send({ error: 'ZIP not found' })
             }
 
+            const city = data[0]
+
             //districtMap
             const bundeslaender = [
                 { code: 'DE-BW', name: 'Baden-Württemberg' },
@@ -137,9 +142,8 @@ export default async function functionRoutes(server: FastifyInstance) {
 
 
             return reply.send({
-                ...data,
-                //@ts-ignore
-                state_code: bundeslaender.find(i => i.name === data.countryName)
+                ...city,
+                state_code: bundeslaender.find(i => i.name === city.countryName)?.code || null
             })
         } catch (err) {
             console.log(err)