activity types for autocomplete in the future

backend/server/adventures/urls.py

@@ -1,12 +1,13 @@
 from django.urls import include, path
 from rest_framework.routers import DefaultRouter
-from .views import AdventureViewSet, CollectionViewSet, StatsViewSet, GenerateDescription
+from .views import AdventureViewSet, CollectionViewSet, StatsViewSet, GenerateDescription, ActivityTypesView
 
 router = DefaultRouter()
 router.register(r'adventures', AdventureViewSet, basename='adventures')
 router.register(r'collections', CollectionViewSet, basename='collections')
 router.register(r'stats', StatsViewSet, basename='stats')
 router.register(r'generate', GenerateDescription, basename='generate')
+router.register(r'activity-types', ActivityTypesView, basename='activity-types')
 
 
 urlpatterns = [

backend/server/adventures/views.py

@@ -341,4 +341,31 @@ class GenerateDescription(viewsets.ViewSet):
         if extract.get('original') is None:
             return Response({"error": "No image found"}, status=400)
         return Response(extract["original"])
-        
+
+
+class ActivityTypesView(viewsets.ViewSet):
+    permission_classes = [IsAuthenticated]
+
+    @action(detail=False, methods=['get'])
+    def types(self, request):
+        """
+        Retrieve a list of distinct activity types for adventures associated with the current user.
+
+        Args:
+            request (HttpRequest): The HTTP request object.
+
+        Returns:
+            Response: A response containing a list of distinct activity types.
+        """
+        types = Adventure.objects.filter(user_id=request.user.id).values_list('activity_types', flat=True).distinct()
+
+        allTypes = []
+
+        for i in types:
+            if not i:
+                continue
+            for x in i:
+                if x and x not in allTypes:
+                    allTypes.append(x)
+
+        return Response(allTypes)