feat: implement pagination, add activity types and stats views; update category management and localization

backend/server/adventures/views/stats_view.py

@@ -0,0 +1,38 @@
+from rest_framework import viewsets
+from rest_framework.permissions import IsAuthenticated
+from rest_framework.response import Response
+from rest_framework.decorators import action
+from worldtravel.models import City, Region, Country, VisitedCity, VisitedRegion
+from adventures.models import Adventure, Collection
+
+class StatsViewSet(viewsets.ViewSet):
+    """
+    A simple ViewSet for listing the stats of a user.
+    """
+    permission_classes = [IsAuthenticated]
+
+    @action(detail=False, methods=['get'])
+    def counts(self, request):
+        adventure_count = Adventure.objects.filter(
+            user_id=request.user.id).count()
+        trips_count = Collection.objects.filter(
+            user_id=request.user.id).count()
+        visited_city_count = VisitedCity.objects.filter(
+            user_id=request.user.id).count()
+        total_cities = City.objects.count()
+        visited_region_count = VisitedRegion.objects.filter(
+            user_id=request.user.id).count()
+        total_regions = Region.objects.count()
+        visited_country_count = VisitedRegion.objects.filter(
+            user_id=request.user.id).values('region__country').distinct().count()
+        total_countries = Country.objects.count()
+        return Response({
+            'adventure_count': adventure_count,
+            'trips_count': trips_count,
+            'visited_city_count': visited_city_count,
+            'total_cities': total_cities,
+            'visited_region_count': visited_region_count,
+            'total_regions': total_regions,
+            'visited_country_count': visited_country_count,
+            'total_countries': total_countries
+        })