Karten-Ausbau (OSM), Forum-Erweiterung, UI-Komponenten, Refactor Tagebuch/Gassi (DRY), Landing/SEO — APP_VER 1155

backend/routes/osm.py

@@ -423,3 +423,65 @@ async def submit_poi_edit(osm_id: str, data: PoiEditCreate,
              poi[data.field], data.new_value.strip(), user["id"])
         )
     return {"status": "pending", "message": "Korrektur wurde zur Prüfung eingereicht."}
+
+
+# ------------------------------------------------------------------
+# Geocoding-Proxy  GET /api/osm/geocode?q=…
+# Nominatim-Rate-Limit: 1 req/s — serverseitig throttled
+# ------------------------------------------------------------------
+_nominatim_sem  = asyncio.Semaphore(1)
+_nominatim_last = 0.0
+
+@router.get('/geocode')
+async def geocode_search(q: str = Query(..., min_length=2, max_length=200)):
+    import time
+    global _nominatim_last
+    async with _nominatim_sem:
+        wait = 1.1 - (time.monotonic() - _nominatim_last)
+        if wait > 0:
+            await asyncio.sleep(wait)
+        _nominatim_last = time.monotonic()
+        try:
+            async with httpx.AsyncClient(timeout=6.0) as client:
+                resp = await client.get(
+                    'https://nominatim.openstreetmap.org/search',
+                    params={
+                        'q': q,
+                        'format': 'jsonv2',
+                        'limit': 6,
+                        'countrycodes': 'de,at,ch',
+                        'addressdetails': 1,
+                        'accept-language': 'de',
+                    },
+                    headers={
+                        'User-Agent': _OVERPASS_UA,
+                        'Referer': 'https://banyaro.app/',
+                    }
+                )
+                resp.raise_for_status()
+                data = resp.json()
+        except Exception as e:
+            logger.warning("Nominatim-Fehler: %s", e)
+            raise HTTPException(502, "Geocoding nicht verfügbar")
+
+    out = []
+    for r in data[:6]:
+        addr = r.get('address', {})
+        short = (
+            addr.get('amenity') or addr.get('shop') or addr.get('leisure') or
+            addr.get('road') or addr.get('village') or addr.get('town') or
+            addr.get('city') or r.get('name') or
+            r.get('display_name', '').split(',')[0]
+        )
+        city = addr.get('city') or addr.get('town') or addr.get('village') or addr.get('municipality') or ''
+        state = addr.get('state', '')
+        subtitle = ', '.join(filter(None, [city, state]))
+        out.append({
+            'lat':      float(r['lat']),
+            'lon':      float(r['lon']),
+            'name':     short,
+            'subtitle': subtitle,
+            'full':     r.get('display_name', ''),
+            'type':     r.get('type', ''),
+        })
+    return out