fix: Fix the case where documents were created when summary_index_setting was disabled. Fix the problem that summaries of chunks without text content is always in English.

api/controllers/console/datasets/datasets_document.py

@@ -1339,6 +1339,21 @@ class DocumentGenerateSummaryApi(Resource):
             missing_ids = set(document_list) - found_ids
             raise NotFound(f"Some documents not found: {list(missing_ids)}")
 
+        # Update need_summary to True for documents that don't have it set
+        # This handles the case where documents were created when summary_index_setting was disabled
+        documents_to_update = [
+            doc for doc in documents
+            if not doc.need_summary and doc.doc_form != "qa_model"
+        ]
+
+        if documents_to_update:
+            document_ids_to_update = [str(doc.id) for doc in documents_to_update]
+            DocumentService.update_documents_need_summary(
+                dataset_id=dataset_id,
+                document_ids=document_ids_to_update,
+                need_summary=True,
+            )
+
         # Dispatch async tasks for each document
         for document in documents:
             # Skip qa_model documents as they don't generate summaries