dify/api/tasks/clean_document_task.py
Jyong 6c4e6bf1d6
Feat/dify rag (#2528)
Co-authored-by: jyong <jyong@dify.ai>
2024-02-22 23:31:57 +08:00

47 lines
1.7 KiB
Python

import logging
import time
import click
from celery import shared_task
from core.rag.index_processor.index_processor_factory import IndexProcessorFactory
from extensions.ext_database import db
from models.dataset import Dataset, DocumentSegment
@shared_task(queue='dataset')
def clean_document_task(document_id: str, dataset_id: str, doc_form: str):
"""
Clean document when document deleted.
:param document_id: document id
:param dataset_id: dataset id
:param doc_form: doc_form
Usage: clean_document_task.delay(document_id, dataset_id)
"""
logging.info(click.style('Start clean document when document deleted: {}'.format(document_id), fg='green'))
start_at = time.perf_counter()
try:
dataset = db.session.query(Dataset).filter(Dataset.id == dataset_id).first()
if not dataset:
raise Exception('Document has no dataset')
segments = db.session.query(DocumentSegment).filter(DocumentSegment.document_id == document_id).all()
# check segment is exist
if segments:
index_node_ids = [segment.index_node_id for segment in segments]
index_processor = IndexProcessorFactory(doc_form).init_index_processor()
index_processor.clean(dataset, index_node_ids)
for segment in segments:
db.session.delete(segment)
db.session.commit()
end_at = time.perf_counter()
logging.info(
click.style('Cleaned document when document deleted: {} latency: {}'.format(document_id, end_at - start_at), fg='green'))
except Exception:
logging.exception("Cleaned document when document deleted failed")