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#
# Copyright 2019 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.
#
import base64
import pathlib
import flask
from elasticsearch_dsl import Q
from flask import request
from flask_login import login_required, current_user
from rag.nlp import search
from rag.utils import ELASTICSEARCH
from api.db.services import duplicate_name
from api.db.services.kb_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.settings import RetCode
from api.utils.api_utils import get_json_result
from rag.utils.minio_conn import MINIO
from api.utils.file_utils import filename_type
@manager.route('/upload', methods=['POST'])
@login_required
@validate_request("kb_id")
def upload():
kb_id = request.form.get("kb_id")
if not kb_id:
return get_json_result(
data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
if 'file' not in request.files:
return get_json_result(
data=False, retmsg='No file part!', retcode=RetCode.ARGUMENT_ERROR)
file = request.files['file']
if file.filename == '':
return get_json_result(
data=False, retmsg='No file selected!', retcode=RetCode.ARGUMENT_ERROR)
try:
e, kb = KnowledgebaseService.get_by_id(kb_id)
if not e:
return get_data_error_result(
retmsg="Can't find this knowledgebase!")
filename = duplicate_name(
DocumentService.query,
name=file.filename,
kb_id=kb.id)
location = filename
while MINIO.obj_exist(kb_id, location):
location += "_"
blob = request.files['file'].read()
MINIO.put(kb_id, filename, blob)
doc = DocumentService.insert({
"id": get_uuid(),
"kb_id": kb.id,
"parser_id": kb.parser_id,
"created_by": current_user.id,
"type": filename_type(filename),
"name": filename,
"location": location,
"size": len(blob)
})
return get_json_result(data=doc.to_json())
except Exception as e:
return server_error_response(e)
@manager.route('/create', methods=['POST'])
@login_required
@validate_request("name", "kb_id")
def create():
req = request.json
kb_id = req["kb_id"]
if not kb_id:
return get_json_result(
data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
try:
e, kb = KnowledgebaseService.get_by_id(kb_id)
if not e:
return get_data_error_result(
retmsg="Can't find this knowledgebase!")
if DocumentService.query(name=req["name"], kb_id=kb_id):
return get_data_error_result(
retmsg="Duplicated document name in the same knowledgebase.")
doc = DocumentService.insert({
"id": get_uuid(),
"kb_id": kb.id,
"parser_id": kb.parser_id,
"created_by": current_user.id,
"type": FileType.VIRTUAL,
"name": req["name"],
"location": "",
"size": 0
})
return get_json_result(data=doc.to_json())
except Exception as e:
return server_error_response(e)
@manager.route('/list', methods=['GET'])
@login_required
def list():
kb_id = request.args.get("kb_id")
if not kb_id:
return get_json_result(
data=False, retmsg='Lack of "KB ID"', retcode=RetCode.ARGUMENT_ERROR)
keywords = request.args.get("keywords", "")
page_number = request.args.get("page", 1)
items_per_page = request.args.get("page_size", 15)
orderby = request.args.get("orderby", "create_time")
desc = request.args.get("desc", True)
try:
docs = DocumentService.get_by_kb_id(
kb_id, page_number, items_per_page, orderby, desc, keywords)
return get_json_result(data=docs)
except Exception as e:
return server_error_response(e)
@manager.route('/change_status', methods=['POST'])
@login_required
@validate_request("doc_id", "status")
def change_status():
req = request.json
if str(req["status"]) not in ["0", "1"]:
get_json_result(
data=False,
retmsg='"Status" must be either 0 or 1!',
retcode=RetCode.ARGUMENT_ERROR)
try:
e, doc = DocumentService.get_by_id(req["doc_id"])
if not e:
return get_data_error_result(retmsg="Document not found!")
e, kb = KnowledgebaseService.get_by_id(doc.kb_id)
if not e:
return get_data_error_result(
retmsg="Can't find this knowledgebase!")
if not DocumentService.update_by_id(
req["doc_id"], {"status": str(req["status"])}):
return get_data_error_result(
retmsg="Database error (Document update)!")
if str(req["status"]) == "0":
ELASTICSEARCH.updateScriptByQuery(Q("term", doc_id=req["doc_id"]),
scripts="ctx._source.available_int=0;",
idxnm=search.index_name(
kb.tenant_id)
)
else:
ELASTICSEARCH.updateScriptByQuery(Q("term", doc_id=req["doc_id"]),
scripts="ctx._source.available_int=1;",
idxnm=search.index_name(
kb.tenant_id)
)
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)
@manager.route('/rm', methods=['POST'])
@login_required
@validate_request("doc_id")
def rm():
req = request.json
try:
e, doc = DocumentService.get_by_id(req["doc_id"])
if not e:
return get_data_error_result(retmsg="Document not found!")
ELASTICSEARCH.deleteByQuery(Q("match", doc_id=doc.id), idxnm=search.index_name(doc.kb_id))
DocumentService.increment_chunk_num(doc.id, doc.kb_id, doc.token_num*-1, doc.chunk_num*-1, 0)
if not DocumentService.delete_by_id(req["doc_id"]):
return get_data_error_result(
retmsg="Database error (Document removal)!")
MINIO.rm(doc.kb_id, doc.location)
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)
@manager.route('/rename', methods=['POST'])
@login_required
@validate_request("doc_id", "name", "old_name")
def rename():
req = request.json
if pathlib.Path(req["name"].lower()).suffix != pathlib.Path(
req["old_name"].lower()).suffix:
get_json_result(
data=False,
retmsg="The extension of file can't be changed",
retcode=RetCode.ARGUMENT_ERROR)
try:
e, doc = DocumentService.get_by_id(req["doc_id"])
if not e:
return get_data_error_result(retmsg="Document not found!")
if DocumentService.query(name=req["name"], kb_id=doc.kb_id):
return get_data_error_result(
retmsg="Duplicated document name in the same knowledgebase.")
if not DocumentService.update_by_id(
req["doc_id"], {"name": req["name"]}):
return get_data_error_result(
retmsg="Database error (Document rename)!")
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)
@manager.route('/get', methods=['GET'])
@login_required
def get():
doc_id = request.args["doc_id"]
try:
e, doc = DocumentService.get_by_id(doc_id)
if not e:
return get_data_error_result(retmsg="Document not found!")
blob = MINIO.get(doc.kb_id, doc.location)
return get_json_result(data={"base64": base64.b64decode(blob)})
except Exception as e:
return server_error_response(e)
@manager.route('/change_parser', methods=['POST'])
@login_required
@validate_request("doc_id", "parser_id")
def change_parser():
req = request.json
try:
e, doc = DocumentService.get_by_id(req["doc_id"])
if not e:
return get_data_error_result(retmsg="Document not found!")
if doc.parser_id.lower() == req["parser_id"].lower():
return get_json_result(data=True)
e = DocumentService.update_by_id(doc.id, {"parser_id": req["parser_id"], "progress":0, "progress_msg": ""})
if not e:
return get_data_error_result(retmsg="Document not found!")
e = DocumentService.increment_chunk_num(doc.id, doc.kb_id, doc.token_num*-1, doc.chunk_num*-1, doc.process_duation*-1)
if not e:
return get_data_error_result(retmsg="Document not found!")
return get_json_result(data=True)
except Exception as e:
return server_error_response(e)
@manager.route('/image/<image_id>', methods=['GET'])
#@login_required
def get_image(image_id):
try:
bkt, nm = image_id.split("-")
response = flask.make_response(MINIO.get(bkt, nm))
response.headers.set('Content-Type', 'image/JPEG')
return response
except Exception as e:
return server_error_response(e)
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