migration to new backend

backend/server/worldtravel/views.py

@@ -0,0 +1,43 @@
+from django.shortcuts import render
+from .models import Country, Region, VisitedRegion
+from .serializers import CountrySerializer, RegionSerializer, VisitedRegionSerializer
+from rest_framework import viewsets
+from rest_framework.permissions import IsAuthenticated
+from django.shortcuts import get_object_or_404
+from rest_framework.response import Response
+from rest_framework.decorators import api_view, permission_classes
+
+@api_view(['GET'])
+@permission_classes([IsAuthenticated])
+def regions_by_country(request, country_code):
+    # require authentication
+    country = get_object_or_404(Country, country_code=country_code)
+    regions = Region.objects.filter(country=country)
+    serializer = RegionSerializer(regions, many=True)
+    return Response(serializer.data)
+
+
+@api_view(['GET'])
+@permission_classes([IsAuthenticated])
+def visits_by_country(request, country_code):
+    country = get_object_or_404(Country, country_code=country_code)
+    visits = VisitedRegion.objects.filter(region__country=country)
+
+    serializer = VisitedRegionSerializer(visits, many=True)
+    return Response(serializer.data)
+
+
+class CountryViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = Country.objects.all()
+    serializer_class = CountrySerializer
+    permission_classes = [IsAuthenticated]
+
+class RegionViewSet(viewsets.ReadOnlyModelViewSet):
+    queryset = Region.objects.all()
+    serializer_class = RegionSerializer
+    permission_classes = [IsAuthenticated]
+
+class VisitedRegionViewSet(viewsets.ModelViewSet):
+    queryset = VisitedRegion.objects.all()
+    serializer_class = VisitedRegionSerializer
+    permission_classes = [IsAuthenticated]