Initial commit - production deployment

gateway/app/routes/nominatim.py

@@ -0,0 +1,61 @@
+# gateway/app/routes/nominatim.py
+
+from fastapi import APIRouter, Request, HTTPException
+from fastapi.responses import JSONResponse
+import httpx
+import structlog
+from app.core.config import settings
+
+logger = structlog.get_logger()
+router = APIRouter()
+
+@router.get("/search")
+async def proxy_nominatim_search(request: Request):
+    """
+    Proxies requests to the Nominatim geocoding search API.
+    """
+    # Handle OPTIONS requests directly for CORS
+    if request.method == "OPTIONS":
+        return Response(
+            status_code=200,
+            headers={
+                "Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
+                "Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
+                "Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
+                 "Access-Control-Allow-Credentials": "true",
+                 "Access-Control-Max-Age": "86400"  # Cache preflight for 24 hours
+            }
+        )
+         
+    try:
+        # Construct the internal Nominatim URL
+        # All query parameters from the client request are forwarded
+        nominatim_url = f"{settings.NOMINATIM_SERVICE_URL}/nominatim/search"
+        
+        # httpx client for making async HTTP requests
+        async with httpx.AsyncClient(timeout=30.0) as client:
+            response = await client.get(
+                nominatim_url,
+                params=request.query_params # Forward all query parameters from frontend
+            )
+            response.raise_for_status() # Raise an exception for HTTP errors (4xx or 5xx)
+
+            # Return the JSON response from Nominatim directly
+            return JSONResponse(content=response.json())
+
+    except httpx.RequestError as exc:
+        logger.error("Nominatim service request failed", error=str(exc))
+        raise HTTPException(
+            status_code=503,
+            detail=f"Nominatim service unavailable: {exc}"
+        )
+    except httpx.HTTPStatusError as exc:
+        logger.error(f"Nominatim service responded with error {exc.response.status_code}",
+                     detail=exc.response.text)
+        raise HTTPException(
+            status_code=exc.response.status_code,
+            detail=f"Nominatim service error: {exc.response.text}"
+        )
+    except Exception as exc:
+        logger.error("Unexpected error in Nominatim proxy", error=str(exc))
+        raise HTTPException(status_code=500, detail="Internal server error in Nominatim proxy")