From 71042212c8cbebb79240894db5fed3b20e8179d9 Mon Sep 17 00:00:00 2001
From: fch-aa <21101725+fch-aa@users.noreply.github.com>
Date: Sun, 16 Aug 2026 19:01:07 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B(backend)=20fix=20scoped=20full-tex?=
 =?UTF-8?q?t=20search?=
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Document-scoped indexer searches attempted to call a queryset method on a
Document instance and failed before reaching Find. Resolve the path from the
queryset and cover the scoped request.

Signed-off-by: fch-aa <21101725+fch-aa@users.noreply.github.com>
---
 CHANGELOG.md                                    |  1 +
 src/backend/core/api/viewsets.py                |  4 ++--
 .../documents/test_api_documents_search.py      | 17 +++++++++++++++++
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 53dd6ff375..8246a57327 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -19,6 +19,7 @@ and this project adheres to
 
 ### Fixed
 
+- 🐛(backend) fix full-text search scoped to a document
 - 🐛(frontend) refresh pins after document deletion and restoration
 - 🐛(frontend) redirect homepage to login when homepage feat is disabled #2521
 - 🐛(backend) ignore CSPs for API docs in development
diff --git a/src/backend/core/api/viewsets.py b/src/backend/core/api/viewsets.py
index e63fb726de..076db9b28f 100644
--- a/src/backend/core/api/viewsets.py
+++ b/src/backend/core/api/viewsets.py
@@ -1550,8 +1550,8 @@ def _search_using_indexer(indexer, request, params, search_type):
         document_id = params.validated_data.get("document")
         if document_id:
             try:
-                path = models.Document.objects.get(pk=document_id).values_list(
-                    "path", flat=True
+                path = models.Document.objects.values_list("path", flat=True).get(
+                    pk=document_id
                 )
             except models.Document.DoesNotExist as exc:
                 raise drf.exceptions.NotFound("Document not found.") from exc
diff --git a/src/backend/core/tests/documents/test_api_documents_search.py b/src/backend/core/tests/documents/test_api_documents_search.py
index 4ccc1f00ba..5e4b515c1c 100644
--- a/src/backend/core/tests/documents/test_api_documents_search.py
+++ b/src/backend/core/tests/documents/test_api_documents_search.py
@@ -612,3 +612,20 @@ def test_api_documents_search_success(indexer_settings):
     assert results == [
         {"id": document["id"], "title": document["title"], "path": document["path"]}
     ]
+
+
+@mock.patch("core.services.search_indexers.FindDocumentIndexer.search_query")
+def test_api_documents_search_success_scoped(search_query, indexer_settings):
+    """A document-scoped indexer search should use the document path."""
+    indexer_settings.SEARCH_URL = "http://find/api/v1.0/search"
+    search_query.return_value = []
+    document = factories.DocumentFactory()
+
+    response = APIClient().get(
+        "/api/v1.0/documents/search/",
+        data={"q": "alpha", "document": document.id},
+    )
+
+    assert response.status_code == 200
+    assert search_query.call_count == 1
+    assert search_query.call_args.kwargs["data"]["path"] == document.path