✨(backend) Index partially empty documents

Only documents without title and content are ignored by indexer.

src/backend/core/management/commands/index.py

@@ -21,8 +21,11 @@ class Command(BaseCommand):
         """Launch and log search index generation."""
         logger.info("Starting to regenerate Find index...")
         start = time.perf_counter()
-
-        FindDocumentIndexer().index()
+        count = FindDocumentIndexer().index()
 
         duration = time.perf_counter() - start
-        logger.info("Search index regenerated in %.2f seconds.", duration)
+        logger.info(
+            "Search index regenerated from %d document(s) in %.2f seconds.",
+            count,
+            duration,
+        )

src/backend/core/services/search_indexers.py

@@ -146,6 +146,8 @@ class BaseDocumentIndexer(ABC):
         Fetch documents in batches, serialize them, and push to the search backend.
         """
         last_id = 0
+        count = 0
+
         while True:
             documents_batch = list(
                 models.Document.objects.filter(
@@ -163,9 +165,13 @@ class BaseDocumentIndexer(ABC):
             serialized_batch = [
                 self.serialize_document(document, accesses_by_document_path)
                 for document in documents_batch
-                if document.content
+                if document.content or document.title
             ]
+
             self.push(serialized_batch)
+            count += len(serialized_batch)
+
+        return count
 
     @abstractmethod
     def serialize_document(self, document, accesses):

src/backend/core/tests/test_services_search_indexers.py

@@ -304,7 +304,7 @@ def test_services_search_indexers_batches_pass_only_batch_accesses(
         access = factories.UserDocumentAccessFactory(document=document)
         expected_user_subs[str(document.id)] = str(access.user.sub)
 
-    FindDocumentIndexer().index()
+    assert FindDocumentIndexer().index() == 5
 
     # Should be 3 batches: 2 + 2 + 1
     assert mock_push.call_count == 3
@@ -327,6 +327,34 @@ def test_services_search_indexers_batches_pass_only_batch_accesses(
     assert seen_doc_ids == {str(d.id) for d in documents}
 
 
+@patch.object(FindDocumentIndexer, "push")
+@pytest.mark.usefixtures("indexer_settings")
+def test_services_search_indexers_ignore_empty_documents(mock_push):
+    """
+    Documents indexing should be processed in batches,
+    and only the access data relevant to each batch should be used.
+    """
+    document = factories.DocumentFactory()
+    factories.DocumentFactory(content="", title="")
+    empty_title = factories.DocumentFactory(title="")
+    empty_content = factories.DocumentFactory(content="")
+
+    assert FindDocumentIndexer().index() == 3
+
+    assert mock_push.call_count == 1
+
+    # Make sure only not eempty documents are indexed
+    results = {doc["id"] for doc in mock_push.call_args[0][0]}
+    assert results == {
+        str(d.id)
+        for d in (
+            document,
+            empty_content,
+            empty_title,
+        )
+    }
+
+
 @patch.object(FindDocumentIndexer, "push")
 @pytest.mark.usefixtures("indexer_settings")
 def test_services_search_indexers_ancestors_link_reach(mock_push):
@@ -338,7 +366,7 @@ def test_services_search_indexers_ancestors_link_reach(mock_push):
     parent = factories.DocumentFactory(parent=grand_parent, link_reach="public")
     document = factories.DocumentFactory(parent=parent, link_reach="restricted")
 
-    FindDocumentIndexer().index()
+    assert FindDocumentIndexer().index() == 4
 
     results = {doc["id"]: doc for doc in mock_push.call_args[0][0]}
     assert len(results) == 4
@@ -358,7 +386,7 @@ def test_services_search_indexers_ancestors_users(mock_push):
     parent = factories.DocumentFactory(parent=grand_parent, users=[user_p])
     document = factories.DocumentFactory(parent=parent, users=[user_d])
 
-    FindDocumentIndexer().index()
+    assert FindDocumentIndexer().index() == 3
 
     results = {doc["id"]: doc for doc in mock_push.call_args[0][0]}
     assert len(results) == 3
@@ -379,7 +407,7 @@ def test_services_search_indexers_ancestors_teams(mock_push):
     parent = factories.DocumentFactory(parent=grand_parent, teams=["team_p"])
     document = factories.DocumentFactory(parent=parent, teams=["team_d"])
 
-    FindDocumentIndexer().index()
+    assert FindDocumentIndexer().index() == 3
 
     results = {doc["id"]: doc for doc in mock_push.call_args[0][0]}
     assert len(results) == 3