feat: Introduce lists and reviews apps, refactor user list functionality from accounts, and add user profile fields.

backend/apps/lists/views.py

@@ -0,0 +1,28 @@
+from django.db.models import Q
+from rest_framework import viewsets, permissions
+from .models import UserList, ListItem
+from .serializers import UserListSerializer, ListItemSerializer
+from apps.core.permissions import IsOwnerOrReadOnly
+
+class UserListViewSet(viewsets.ModelViewSet):
+    serializer_class = UserListSerializer
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly, IsOwnerOrReadOnly]
+    lookup_field = "id"
+
+    def get_queryset(self):
+        # Users can see their own lists and public lists
+        if self.request.user.is_authenticated:
+            return UserList.objects.filter(Q(is_public=True) | Q(user=self.request.user))
+        return UserList.objects.filter(is_public=True)
+
+    def perform_create(self, serializer):
+        serializer.save(user=self.request.user)
+
+
+class ListItemViewSet(viewsets.ModelViewSet):
+    serializer_class = ListItemSerializer
+    permission_classes = [permissions.IsAuthenticatedOrReadOnly, IsOwnerOrReadOnly]
+    lookup_field = "id"
+
+    def get_queryset(self):
+        return ListItem.objects.filter(user_list__is_public=True) | ListItem.objects.filter(user_list__user=self.request.user)