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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 api.db import StatusEnum, TenantPermission
from api.db.db_models import Knowledgebase, DB, Tenant
from api.db.services.common_service import CommonService
class KnowledgebaseService(CommonService):
model = Knowledgebase
@classmethod
@DB.connection_context()
def get_by_tenant_ids(cls, joined_tenant_ids, user_id,
page_number, items_per_page, orderby, desc):
kbs = cls.model.select().where(
((cls.model.tenant_id.in_(joined_tenant_ids) & (cls.model.permission ==
TenantPermission.TEAM.value)) | (cls.model.tenant_id == user_id))
& (cls.model.status == StatusEnum.VALID.value)
)
if desc:
kbs = kbs.order_by(cls.model.getter_by(orderby).desc())
else:
kbs = kbs.order_by(cls.model.getter_by(orderby).asc())
kbs = kbs.paginate(page_number, items_per_page)
return list(kbs.dicts())
@classmethod
@DB.connection_context()
def get_detail(cls, kb_id):
fields = [
cls.model.id,
Tenant.embd_id,
cls.model.avatar,
cls.model.name,
cls.model.description,
cls.model.permission,
cls.model.doc_num,
cls.model.token_num,
cls.model.chunk_num,
cls.model.parser_id,
cls.model.parser_config]
kbs = cls.model.select(*fields).join(Tenant, on=((Tenant.id == cls.model.tenant_id)&(Tenant.status== StatusEnum.VALID.value))).where(
(cls.model.id == kb_id),
(cls.model.status == StatusEnum.VALID.value)
)
if not kbs:
return
d = kbs[0].to_dict()
d["embd_id"] = kbs[0].tenant.embd_id
return d
@classmethod
@DB.connection_context()
def update_parser_config(cls, id, config):
e, m = cls.get_by_id(id)
if not e:raise LookupError(f"knowledgebase({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)
if isinstance(v, list):
assert isinstance(old[k], list)
old[k] = list(set(old[k]+v))
else: old[k] = v
dfs_update(m.parser_config, config)
cls.update_by_id(id, {"parser_config": m.parser_config})
@classmethod
@DB.connection_context()
def get_field_map(cls, ids):
conf = {}
for k in cls.get_by_ids(ids):
if k.parser_config and "field_map" in k.parser_config:
conf.update(k.parser_config["field_map"])
return conf
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