mirror of
https://github.com/langgenius/dify.git
synced 2025-10-31 02:42:59 +00:00
55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
|
from werkzeug.exceptions import NotFound
|
||
|
|
|
||
|
|
from controllers.service_api import api
|
||
|
|
from controllers.service_api.wraps import (
|
||
|
|
DatasetApiResource,
|
||
|
|
)
|
||
|
|
from core.file import helpers as file_helpers
|
||
|
|
from extensions.ext_database import db
|
||
|
|
from models.dataset import Dataset
|
||
|
|
from models.model import UploadFile
|
||
|
|
from services.dataset_service import DocumentService
|
||
|
|
|
||
|
|
|
||
|
|
class UploadFileApi(DatasetApiResource):
|
||
|
|
def get(self, tenant_id, dataset_id, document_id):
|
||
|
|
"""Get upload file."""
|
||
|
|
# check dataset
|
||
|
|
dataset_id = str(dataset_id)
|
||
|
|
tenant_id = str(tenant_id)
|
||
|
|
dataset = db.session.query(Dataset).filter(Dataset.tenant_id == tenant_id, Dataset.id == dataset_id).first()
|
||
|
|
if not dataset:
|
||
|
|
raise NotFound("Dataset not found.")
|
||
|
|
# check document
|
||
|
|
document_id = str(document_id)
|
||
|
|
document = DocumentService.get_document(dataset.id, document_id)
|
||
|
|
if not document:
|
||
|
|
raise NotFound("Document not found.")
|
||
|
|
# check upload file
|
||
|
|
if document.data_source_type != "upload_file":
|
||
|
|
raise ValueError(f"Document data source type ({document.data_source_type}) is not upload_file.")
|
||
|
|
data_source_info = document.data_source_info_dict
|
||
|
|
if data_source_info and "upload_file_id" in data_source_info:
|
||
|
|
file_id = data_source_info["upload_file_id"]
|
||
|
|
upload_file = db.session.query(UploadFile).filter(UploadFile.id == file_id).first()
|
||
|
|
if not upload_file:
|
||
|
|
raise NotFound("UploadFile not found.")
|
||
|
|
else:
|
||
|
|
raise ValueError("Upload file id not found in document data source info.")
|
||
|
|
|
||
|
|
url = file_helpers.get_signed_file_url(upload_file_id=upload_file.id)
|
||
|
|
return {
|
||
|
|
"id": upload_file.id,
|
||
|
|
"name": upload_file.name,
|
||
|
|
"size": upload_file.size,
|
||
|
|
"extension": upload_file.extension,
|
||
|
|
"url": url,
|
||
|
|
"download_url": f"{url}&as_attachment=true",
|
||
|
|
"mime_type": upload_file.mime_type,
|
||
|
|
"created_by": upload_file.created_by,
|
||
|
|
"created_at": upload_file.created_at.timestamp(),
|
||
|
|
}, 200
|
||
|
|
|
||
|
|
|
||
|
|
api.add_resource(UploadFileApi, "/datasets/<uuid:dataset_id>/documents/<uuid:document_id>/upload-file")
|