import requests from django.http import JsonResponse from django.views.decorators.csrf import csrf_exempt from django.views.decorators.http import require_GET, require_POST import json from .models import NominationPlace from .utils import save_nomination_place, serialize_place # @require_GET # def reverse_geocode(request): # lat = request.GET.get('lat') # lon = request.GET.get('lon') # if not lat or not lon: # return JsonResponse({'error': 'Missing coordinates'}, status=400) # try: # lat_f = float(lat) # lon_f = float(lon) # except ValueError: # return JsonResponse({'error': 'Invalid coordinates'}, status=400) # # Try local match # for place in NominationPlace.objects.exclude(boundingbox=None): # try: # bbox = list(map(float, place.boundingbox)) # if bbox[0] <= lat_f <= bbox[1] and bbox[2] <= lon_f <= bbox[3]: # print("✅ Match found via bounding box") # return JsonResponse(serialize_place(place)) # except Exception: # continue # # Try nearby range # nearby = NominationPlace.objects.filter( # lat__gte=lat_f - 0.01, lat__lte=lat_f + 0.01, # lon__gte=lon_f - 0.01, lon__lte=lon_f + 0.01 # ) # if nearby.exists(): # return JsonResponse(serialize_place(nearby.first())) # # Fallback to Nominatim # try: # res = requests.get( # "https://nominatim.openstreetmap.org/reverse", # params={'format': 'jsonv2', 'lat': lat, 'lon': lon}, # headers={'User-Agent': 'ViralPe/1.0 (contact@viralpe.com)'}, # timeout=5 # ) # res.raise_for_status() # data = res.json() # place = save_nomination_place(data) # return JsonResponse(serialize_place(place)) # except Exception as e: # return JsonResponse({'error': 'Nominatim failed', 'details': str(e)}, status=500) @require_GET def reverse_geocode(request): lat = request.GET.get('lat') lon = request.GET.get('lon') if not lat or not lon: return JsonResponse({'error': 'Missing lat or lon parameters'}, status=400) try: lat_f = float(lat) lon_f = float(lon) except ValueError: return JsonResponse({'error': 'Invalid lat or lon'}, status=400) # First try boundingbox matching for place in NominationPlace.objects.exclude(boundingbox=None): try: bbox = list(map(float, place.boundingbox)) lat_min, lat_max, lon_min, lon_max = bbox if lat_min <= lat_f <= lat_max and lon_min <= lon_f <= lon_max: print("✅ Match found via bounding box") return JsonResponse(serialize_place(place)) except Exception as e: continue # In case of bad bounding box # Fallback to basic range check nearby_places = NominationPlace.objects.filter( lat__gte=lat_f - 0.01, lat__lte=lat_f + 0.01, lon__gte=lon_f - 0.01, lon__lte=lon_f + 0.01 ) if nearby_places.exists(): print("✅ Match found via coordinate range filter") place = nearby_places.first() return JsonResponse(serialize_place(place)) # Fallback to external API print("🌐 Fetching location data from Nominatim external API.") nominatim_url = "https://nominatim.openstreetmap.org/reverse" params = { 'format': 'jsonv2', 'lat': lat, 'lon': lon, } headers = { 'User-Agent': 'MyDjangoApp/1.0 (contact@satfarm.com)' } try: response = requests.get(nominatim_url, params=params, headers=headers, timeout=5) response.raise_for_status() nominatim_data = response.json() except requests.RequestException as e: return JsonResponse({'error': 'Failed to fetch data from Nominatim', 'details': str(e)}, status=500) place = save_nomination_place(nominatim_data) if not place: return JsonResponse({'error': 'Failed to save place data'}, status=500) return JsonResponse(serialize_place(place)) @csrf_exempt @require_POST def save_pincode(request): try: data = json.loads(request.body) pincode = data.get("pincode") if not pincode or len(pincode) != 6: return JsonResponse({"error": "Invalid PIN"}, status=400) request.session["user_pincode"] = pincode return JsonResponse({"message": "PIN saved", "pincode": pincode}) except Exception as e: return JsonResponse({"error": str(e)}, status=500) # geoapi/views.py from django.views.decorators.csrf import csrf_exempt from django.views.decorators.http import require_GET from django.http import JsonResponse from .models import NominationPlace, PincodeUsageLog from .utils import is_valid_api_request from .utils import save_nomination_place, serialize_place import requests @require_GET @csrf_exempt def api_reverse_geocode(request): lat = request.GET.get('lat') lon = request.GET.get('lon') client_id = request.GET.get('client_id') or request.headers.get('X-Client-ID') api_key = request.GET.get('api_key') or request.headers.get('X-API-Key') if not is_valid_api_request(client_id, api_key): return JsonResponse({'error': 'Unauthorized'}, status=403) if not lat or not lon: return JsonResponse({'error': 'Missing lat or lon parameters'}, status=400) try: lat_f = float(lat) lon_f = float(lon) except ValueError: return JsonResponse({'error': 'Invalid coordinates'}, status=400) # 1. Bounding Box for place in NominationPlace.objects.exclude(boundingbox=None): try: bbox = list(map(float, place.boundingbox)) if bbox[0] <= lat_f <= bbox[1] and bbox[2] <= lon_f <= bbox[3]: _log_pincode(client_id, place.postcode) return JsonResponse(serialize_place(place)) except: continue # 2. Nearby filter nearby = NominationPlace.objects.filter( lat__gte=lat_f - 0.01, lat__lte=lat_f + 0.01, lon__gte=lon_f - 0.01, lon__lte=lon_f + 0.01 ).first() if nearby: _log_pincode(client_id, nearby.postcode) return JsonResponse(serialize_place(nearby)) # 3. External API try: response = requests.get( "https://nominatim.openstreetmap.org/reverse", params={'format': 'jsonv2', 'lat': lat, 'lon': lon}, headers={'User-Agent': 'ViralPeGeoAPI/1.0 (contact@viralpe.com)'}, timeout=5 ) response.raise_for_status() data = response.json() place = save_nomination_place(data) if place: _log_pincode(client_id, place.postcode) return JsonResponse(serialize_place(place)) return JsonResponse({'error': 'Failed to save place'}, status=500) except Exception as e: return JsonResponse({'error': 'External API error', 'details': str(e)}, status=500) def _log_pincode(client_id, pincode): if pincode and len(pincode) == 6: PincodeUsageLog.objects.create(client_id=client_id, pincode=pincode)