views.py

# required imports

def getRestaurantList(ilocation,query):
  #....
  # code implementation can be seen here https://github.com/hassanabidpk/searchrestaurant/blob/master/django/searchrestaurant/search/views.py
  return result

class RestaurantList(APIView):
	def get(self,request,format=None):
		if "location" in request.GET and "rtype" in request.GET:
			location = request.GET["location"]
			location = location.replace(" ","+")
			restaurantType = request.GET["rtype"]
		else:
			restaurants = Restaurant.objects.all()
			serializer = RestaurantSerializer(restaurants, many=True)
			return Response(serializer.data,status=status.HTTP_200_OK)
		try: 
			loc = Location.objects.get(restaurant_location=location,restaurant_type=restaurantType)
			restaurants = loc.restaurant.all()
			serializer = RestaurantSerializer(restaurants, many=True)
			return Response(serializer.data,status=status.HTTP_200_OK)
		except MultipleObjectsReturned:
			loc = loc[0]
			restaurants = loc.restaurant.all()
			serializer = RestaurantSerializer(restaurants, many=True)
			return Response(serializer.data,status=status.HTTP_200_OK)
		except ObjectDoesNotExist:
			context = getRestaurantList(location,restaurantType)
			try: 
				loc = Location.objects.get(restaurant_location=location,restaurant_type=restaurantType)
				restaurants = loc.restaurant.all()
				serializer = RestaurantSerializer(restaurants, many=True)
				return Response(serializer.data,status=status.HTTP_200_OK)
			except ObjectDoesNotExist:
				print ("does not exist")
				return Response(data={'error':"not-found",'status':"404"},status=status.HTTP_404_NOT_FOUND)
			except MultipleObjectsReturned:
				loc = loc[0]
				restaurants = loc.restaurant.all()
				serializer = RestaurantSerializer(restaurants, many=True)
				return Response(serializer.data,status=status.HTTP_200_OK)