add login_required decorator

billard/views.py

@@ -4,6 +4,7 @@ from rest_framework import viewsets
 from django.shortcuts import render
 from django.views import generic
 from django.views.generic.detail import DetailView
+from django.contrib.auth.decorators import login_required
 
 
 class ClientViewSet(viewsets.ModelViewSet):
@@ -34,6 +35,7 @@ class LocationDataDetailView(DetailView):
     model = LocationData
 
 
+@login_required
 def index(request):
     loc = 1
     if request.POST: