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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.
#
from peewee import Expression
from api.db import TenantPermission, FileType, TaskStatus
from api.db.db_models import DB, Knowledgebase, Tenant
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,
cls.model.name.like(f"%%{keywords}%%"))
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 get_newly_uploaded(cls, tm, mod=0, comm=1, items_per_page=64):
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 >= tm,
cls.model.run == TaskStatus.RUNNING.value,
(Expression(cls.model.create_time, "%%", comm) == mod))\
.order_by(cls.model.update_time.asc())\
.paginate(1, items_per_page)
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 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())
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