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#
# 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.
#
import random
from datetime import datetime
from elasticsearch_dsl import Q
from peewee import fn
from api.settings import stat_logger
from api.utils import current_timestamp, get_format_time
from rag.utils.es_conn import ELASTICSEARCH
from rag.utils.minio_conn import MINIO
from rag.nlp import search
from api.db import FileType, TaskStatus
from api.db.db_models import DB, Knowledgebase, Tenant, Task
from api.db.db_models import Document
from api.db.services.common_service import CommonService
from api.db.services.knowledgebase_service import KnowledgebaseService
from api.db import StatusEnum
class DocumentService(CommonService):
model = Document
@classmethod
@DB.connection_context()
def get_by_kb_id(cls, kb_id, page_number, items_per_page,
orderby, desc, keywords):
if keywords:
docs = cls.model.select().where(
(cls.model.kb_id == kb_id),
(fn.LOWER(cls.model.name).contains(keywords.lower()))
)
else:
docs = cls.model.select().where(cls.model.kb_id == kb_id)
count = docs.count()
if desc:
docs = docs.order_by(cls.model.getter_by(orderby).desc())
else:
docs = docs.order_by(cls.model.getter_by(orderby).asc())
docs = docs.paginate(page_number, items_per_page)
return list(docs.dicts()), count
@classmethod
@DB.connection_context()
def insert(cls, doc):
if not cls.save(**doc):
raise RuntimeError("Database error (Document)!")
e, doc = cls.get_by_id(doc["id"])
if not e:
raise RuntimeError("Database error (Document retrieval)!")
e, kb = KnowledgebaseService.get_by_id(doc.kb_id)
if not KnowledgebaseService.update_by_id(
kb.id, {"doc_num": kb.doc_num + 1}):
raise RuntimeError("Database error (Knowledgebase)!")
return doc
@classmethod
@DB.connection_context()
def remove_document(cls, doc, tenant_id):
ELASTICSEARCH.deleteByQuery(
Q("match", doc_id=doc.id), idxnm=search.index_name(tenant_id))
cls.clear_chunk_num(doc.id)
return cls.delete_by_id(doc.id)
@classmethod
@DB.connection_context()
def get_newly_uploaded(cls):
fields = [
cls.model.id,
cls.model.kb_id,
cls.model.parser_id,
cls.model.parser_config,
cls.model.name,
cls.model.type,
cls.model.location,
cls.model.size,
Knowledgebase.tenant_id,
Tenant.embd_id,
Tenant.img2txt_id,
Tenant.asr_id,
cls.model.update_time]
docs = cls.model.select(*fields) \
.join(Knowledgebase, on=(cls.model.kb_id == Knowledgebase.id)) \
.join(Tenant, on=(Knowledgebase.tenant_id == Tenant.id))\
.where(
cls.model.status == StatusEnum.VALID.value,
~(cls.model.type == FileType.VIRTUAL.value),
cls.model.progress == 0,
cls.model.update_time >= current_timestamp() - 1000 * 600,
cls.model.run == TaskStatus.RUNNING.value)\
.order_by(cls.model.update_time.asc())
return list(docs.dicts())
@classmethod
@DB.connection_context()
def get_unfinished_docs(cls):
fields = [cls.model.id, cls.model.process_begin_at]
docs = cls.model.select(*fields) \
.where(
cls.model.status == StatusEnum.VALID.value,
~(cls.model.type == FileType.VIRTUAL.value),
cls.model.progress < 1,
cls.model.progress > 0)
return list(docs.dicts())
@classmethod
@DB.connection_context()
def increment_chunk_num(cls, doc_id, kb_id, token_num, chunk_num, duation):
num = cls.model.update(token_num=cls.model.token_num + token_num,
chunk_num=cls.model.chunk_num + chunk_num,
process_duation=cls.model.process_duation + duation).where(
cls.model.id == doc_id).execute()
if num == 0:
raise LookupError(
"Document not found which is supposed to be there")
num = Knowledgebase.update(
token_num=Knowledgebase.token_num +
token_num,
chunk_num=Knowledgebase.chunk_num +
chunk_num).where(
Knowledgebase.id == kb_id).execute()
return num
@classmethod
@DB.connection_context()
def clear_chunk_num(cls, doc_id):
doc = cls.model.get_by_id(doc_id)
assert doc, "Can't fine document in database."
num = Knowledgebase.update(
token_num=Knowledgebase.token_num -
doc.token_num,
chunk_num=Knowledgebase.chunk_num -
doc.chunk_num,
doc_num=Knowledgebase.doc_num-1
).where(
Knowledgebase.id == doc.kb_id).execute()
return num
@classmethod
@DB.connection_context()
def get_tenant_id(cls, doc_id):
docs = cls.model.select(
Knowledgebase.tenant_id).join(
Knowledgebase, on=(
Knowledgebase.id == cls.model.kb_id)).where(
cls.model.id == doc_id, Knowledgebase.status == StatusEnum.VALID.value)
docs = docs.dicts()
if not docs:
return
return docs[0]["tenant_id"]
@classmethod
@DB.connection_context()
def get_thumbnails(cls, docids):
fields = [cls.model.id, cls.model.thumbnail]
return list(cls.model.select(
*fields).where(cls.model.id.in_(docids)).dicts())
@classmethod
@DB.connection_context()
def update_parser_config(cls, id, config):
e, d = cls.get_by_id(id)
if not e:
raise LookupError(f"Document({id}) not found.")
def dfs_update(old, new):
for k, v in new.items():
if k not in old:
old[k] = v
continue
if isinstance(v, dict):
assert isinstance(old[k], dict)
dfs_update(old[k], v)
else:
old[k] = v
dfs_update(d.parser_config, config)
cls.update_by_id(id, {"parser_config": d.parser_config})
@classmethod
@DB.connection_context()
def get_doc_count(cls, tenant_id):
docs = cls.model.select(cls.model.id).join(Knowledgebase,
on=(Knowledgebase.id == cls.model.kb_id)).where(
Knowledgebase.tenant_id == tenant_id)
return len(docs)
@classmethod
@DB.connection_context()
def begin2parse(cls, docid):
cls.update_by_id(
docid, {"progress": random.random() * 1 / 100.,
"progress_msg": "Task dispatched...",
"process_begin_at": get_format_time()
})
@classmethod
@DB.connection_context()
def update_progress(cls):
docs = cls.get_unfinished_docs()
for d in docs:
try:
tsks = Task.query(doc_id=d["id"], order_by=Task.create_time)
if not tsks:
continue
msg = []
prg = 0
finished = True
bad = 0
status = TaskStatus.RUNNING.value
for t in tsks:
if 0 <= t.progress < 1:
finished = False
prg += t.progress if t.progress >= 0 else 0
msg.append(t.progress_msg)
if t.progress == -1:
bad += 1
prg /= len(tsks)
if finished and bad:
prg = -1
status = TaskStatus.FAIL.value
elif finished:
status = TaskStatus.DONE.value
msg = "\n".join(msg)
info = {
"process_duation": datetime.timestamp(
datetime.now()) -
d["process_begin_at"].timestamp(),
"run": status}
if prg != 0:
info["progress"] = prg
if msg:
info["progress_msg"] = msg
cls.update_by_id(d["id"], info)
except Exception as e:
stat_logger.error("fetch task exception:" + str(e))
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