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TERES_fastapi_backend/api/apps/file2document_app.py

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2025-10-13 13:18:03 +08:00
#
# Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License
#
from pathlib import Path
from typing import List
from fastapi import APIRouter, Depends
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from api.db.services.file2document_service import File2DocumentService
from api.db.services.file_service import FileService
from api.db.services.knowledgebase_service import KnowledgebaseService
from api.utils.api_utils import server_error_response, get_data_error_result, validate_request
from api.utils import get_uuid
from api.db import FileType
from api.db.services.document_service import DocumentService
from api import settings
from api.utils.api_utils import get_json_result
from pydantic import BaseModel
# Security
security = HTTPBearer()
# Pydantic models for request/response
class ConvertRequest(BaseModel):
file_ids: List[str]
kb_ids: List[str]
class RemoveFile2DocumentRequest(BaseModel):
file_ids: List[str]
# Dependency injection
async def get_current_user(credentials: HTTPAuthorizationCredentials = Depends(security)):
"""获取当前用户"""
from api.db import StatusEnum
from api.db.services.user_service import UserService
from fastapi import HTTPException, status
import logging
try:
from itsdangerous.url_safe import URLSafeTimedSerializer as Serializer
except ImportError:
# 如果没有itsdangerous使用jwt作为替代
import jwt
Serializer = jwt
jwt = Serializer(secret_key=settings.SECRET_KEY)
authorization = credentials.credentials
if authorization:
try:
access_token = str(jwt.loads(authorization))
if not access_token or not access_token.strip():
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Authentication attempt with empty access token"
)
# Access tokens should be UUIDs (32 hex characters)
if len(access_token.strip()) < 32:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=f"Authentication attempt with invalid token format: {len(access_token)} chars"
)
user = UserService.query(
access_token=access_token, status=StatusEnum.VALID.value
)
if user:
if not user[0].access_token or not user[0].access_token.strip():
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=f"User {user[0].email} has empty access_token in database"
)
return user[0]
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid access token"
)
except Exception as e:
logging.warning(f"load_user got exception {e}")
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Invalid access token"
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Authorization header required"
)
# Create router
router = APIRouter()
@router.post('/convert')
async def convert(
req: ConvertRequest,
current_user = Depends(get_current_user)
):
kb_ids = req.kb_ids
file_ids = req.file_ids
file2documents = []
try:
files = FileService.get_by_ids(file_ids)
files_set = dict({file.id: file for file in files})
for file_id in file_ids:
file = files_set[file_id]
if not file:
return get_data_error_result(message="File not found!")
file_ids_list = [file_id]
if file.type == FileType.FOLDER.value:
file_ids_list = FileService.get_all_innermost_file_ids(file_id, [])
for id in file_ids_list:
informs = File2DocumentService.get_by_file_id(id)
# delete
for inform in informs:
doc_id = inform.document_id
e, doc = DocumentService.get_by_id(doc_id)
if not e:
return get_data_error_result(message="Document not found!")
tenant_id = DocumentService.get_tenant_id(doc_id)
if not tenant_id:
return get_data_error_result(message="Tenant not found!")
if not DocumentService.remove_document(doc, tenant_id):
return get_data_error_result(
message="Database error (Document removal)!")
File2DocumentService.delete_by_file_id(id)
# insert
for kb_id in kb_ids:
e, kb = KnowledgebaseService.get_by_id(kb_id)
if not e:
return get_data_error_result(
message="Can't find this knowledgebase!")
e, file = FileService.get_by_id(id)
if not e:
return get_data_error_result(
message="Can't find this file!")
doc = DocumentService.insert({
"id": get_uuid(),
"kb_id": kb.id,
"parser_id": FileService.get_parser(file.type, file.name, kb.parser_id),
"parser_config": kb.parser_config,
"created_by": current_user.id,
"type": file.type,
"name": file.name,
"suffix": Path(file.name).suffix.lstrip("."),
"location": file.location,
"size": file.size
})
file2document = File2DocumentService.insert({
"id": get_uuid(),
"file_id": id,
"document_id": doc.id,
})
file2documents.append(file2document.to_json())
return get_json_result(data=file2documents)
except Exception as e:
return server_error_response(e)
@router.post('/rm')
async def rm(
req: RemoveFile2DocumentRequest,
current_user = Depends(get_current_user)
):
file_ids = req.file_ids
if not file_ids:
return get_json_result(
data=False, message='Lack of "Files ID"', code=settings.RetCode.ARGUMENT_ERROR)
try:
for file_id in file_ids:
informs = File2DocumentService.get_by_file_id(file_id)
if not informs:
return get_data_error_result(message="Inform not found!")
for inform in informs:
if not inform:
return get_data_error_result(message="Inform not found!")
File2DocumentService.delete_by_file_id(file_id)
doc_id = inform.document_id
e, doc = DocumentService.get_by_id(doc_id)
if not e:
return get_data_error_result(message="Document not found!")
tenant_id = DocumentService.get_tenant_id(doc_id)
if not tenant_id:
return get_data_error_result(message="Tenant not found!")
if not DocumentService.remove_document(doc, tenant_id):
return get_data_error_result(
message="Database error (Document removal)!")
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)