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import logging
import time
from typing import Optional
import click
from celery import shared_task
from core.rag.index_processor.index_processor_factory import IndexProcessorFactory
from extensions.ext_database import db
from extensions.ext_storage import storage
from models.dataset import Dataset, DocumentSegment
from models.model import UploadFile
@shared_task(queue="dataset")
def clean_document_task(document_id: str, dataset_id: str, doc_form: str, file_id: Optional[str]):
"""
Clean document when document deleted.
:param document_id: document id
:param dataset_id: dataset id
:param doc_form: doc_form
:param file_id: file id
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()
if file_id:
file = db.session.query(UploadFile).filter(UploadFile.id == file_id).first()
if file:
try:
storage.delete(file.key)
except Exception:
logging.exception("Delete file failed when document deleted, file_id: {}".format(file_id))
db.session.delete(file)
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")
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