Implement hiding and showing functionality for user exams and collections

generic/views.py

@@ -7114,4 +7114,43 @@ def user_content_review(request, user_id):
     # Render HTMX partial (or full page if not HTMX)
     template = "generic/partials/user_content_review.html"
     return render(request, template, context)
+
+
+@login_required
+@require_POST
+def toggle_hide_item(request):
+    """Toggle the hidden status of an exam or collection for the current user.
+
+    Scope: Authenticated end users.
+    Functionality: Adds or removes a UserHiddenItem record for the given
+    content_type_id and object_id, then triggers a page reload via HX-Refresh.
+    """
+    from django.contrib.contenttypes.models import ContentType
+    from generic.models import UserHiddenItem
+
+    content_type_id = request.POST.get("content_type_id")
+    object_id = request.POST.get("object_id")
+
+    if not content_type_id or not object_id:
+        return HttpResponse("Missing parameters", status=400)
+
+    try:
+        content_type = ContentType.objects.get(pk=int(content_type_id))
+        object_id = int(object_id)
+    except (ContentType.DoesNotExist, ValueError):
+        return HttpResponse("Invalid parameters", status=400)
+
+    hidden_item, created = UserHiddenItem.objects.get_or_create(
+        user=request.user,
+        content_type=content_type,
+        object_id=object_id,
+    )
+
+    if not created:
+        hidden_item.delete()
+
+    response = HttpResponse("")
+    response["HX-Refresh"] = "true"
+    return response
+