dify

2025-12-01 17:21:38 +08:00
parent 32fee2b8ab
commit fab8c13cb3
7511 changed files with 996300 additions and 0 deletions
--- a/dify/api/tasks/enable_segment_to_index_task.py
+++ b/dify/api/tasks/enable_segment_to_index_task.py
@@ -0,0 +1,100 @@
+import logging
+import time
+
+import click
+from celery import shared_task
+
+from core.rag.index_processor.constant.index_type import IndexType
+from core.rag.index_processor.index_processor_factory import IndexProcessorFactory
+from core.rag.models.document import ChildDocument, Document
+from extensions.ext_database import db
+from extensions.ext_redis import redis_client
+from libs.datetime_utils import naive_utc_now
+from models.dataset import DocumentSegment
+
+logger = logging.getLogger(__name__)
+
+
+@shared_task(queue="dataset")
+def enable_segment_to_index_task(segment_id: str):
+    """
+    Async enable segment to index
+    :param segment_id:
+
+    Usage: enable_segment_to_index_task.delay(segment_id)
+    """
+    logger.info(click.style(f"Start enable segment to index: {segment_id}", fg="green"))
+    start_at = time.perf_counter()
+
+    segment = db.session.query(DocumentSegment).where(DocumentSegment.id == segment_id).first()
+    if not segment:
+        logger.info(click.style(f"Segment not found: {segment_id}", fg="red"))
+        db.session.close()
+        return
+
+    if segment.status != "completed":
+        logger.info(click.style(f"Segment is not completed, enable is not allowed: {segment_id}", fg="red"))
+        db.session.close()
+        return
+
+    indexing_cache_key = f"segment_{segment.id}_indexing"
+
+    try:
+        document = Document(
+            page_content=segment.content,
+            metadata={
+                "doc_id": segment.index_node_id,
+                "doc_hash": segment.index_node_hash,
+                "document_id": segment.document_id,
+                "dataset_id": segment.dataset_id,
+            },
+        )
+
+        dataset = segment.dataset
+
+        if not dataset:
+            logger.info(click.style(f"Segment {segment.id} has no dataset, pass.", fg="cyan"))
+            return
+
+        dataset_document = segment.document
+
+        if not dataset_document:
+            logger.info(click.style(f"Segment {segment.id} has no document, pass.", fg="cyan"))
+            return
+
+        if not dataset_document.enabled or dataset_document.archived or dataset_document.indexing_status != "completed":
+            logger.info(click.style(f"Segment {segment.id} document status is invalid, pass.", fg="cyan"))
+            return
+
+        index_processor = IndexProcessorFactory(dataset_document.doc_form).init_index_processor()
+        if dataset_document.doc_form == IndexType.PARENT_CHILD_INDEX:
+            child_chunks = segment.get_child_chunks()
+            if child_chunks:
+                child_documents = []
+                for child_chunk in child_chunks:
+                    child_document = ChildDocument(
+                        page_content=child_chunk.content,
+                        metadata={
+                            "doc_id": child_chunk.index_node_id,
+                            "doc_hash": child_chunk.index_node_hash,
+                            "document_id": segment.document_id,
+                            "dataset_id": segment.dataset_id,
+                        },
+                    )
+                    child_documents.append(child_document)
+                document.children = child_documents
+        # save vector index
+        index_processor.load(dataset, [document])
+
+        end_at = time.perf_counter()
+        logger.info(click.style(f"Segment enabled to index: {segment.id} latency: {end_at - start_at}", fg="green"))
+    except Exception as e:
+        logger.exception("enable segment to index failed")
+        segment.enabled = False
+        segment.disabled_at = naive_utc_now()
+        segment.status = "error"
+        segment.error = str(e)
+        db.session.commit()
+    finally:
+        redis_client.delete(indexing_cache_key)
+        db.session.close()