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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, User, UserTenant,Document
from api.db.services.common_service import CommonService
class KnowledgebaseService(CommonService):
model = Knowledgebase
@classmethod
@DB.connection_context()
def list_documents_by_ids(cls,kb_ids):
doc_ids=cls.model.select(Document.id.alias("document_id")).join(Document,on=(cls.model.id == Document.kb_id)).where(
cls.model.id.in_(kb_ids)
)
doc_ids =list(doc_ids.dicts())
doc_ids = [doc["document_id"] for doc in doc_ids]
return doc_ids
@classmethod
@DB.connection_context()
def get_by_tenant_ids(cls, joined_tenant_ids, user_id,
page_number, items_per_page, orderby, desc):
fields = [
cls.model.id,
cls.model.avatar,
cls.model.name,
cls.model.language,
cls.model.description,
cls.model.permission,
cls.model.doc_num,
cls.model.token_num,
cls.model.chunk_num,
cls.model.parser_id,
cls.model.embd_id,
User.nickname,
User.avatar.alias('tenant_avatar'),
cls.model.update_time
]
kbs = cls.model.select(*fields).join(User, on=(cls.model.tenant_id == User.id)).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_kb_ids(cls, tenant_id):
fields = [
cls.model.id,
]
kbs = cls.model.select(*fields).where(cls.model.tenant_id == tenant_id)
kb_ids = [kb.id for kb in kbs]
return kb_ids
@classmethod
@DB.connection_context()
def get_detail(cls, kb_id):
fields = [
cls.model.id,
# Tenant.embd_id,
cls.model.embd_id,
cls.model.avatar,
cls.model.name,
cls.model.language,
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)
elif 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
@classmethod
@DB.connection_context()
def get_by_name(cls, kb_name, tenant_id):
kb = cls.model.select().where(
(cls.model.name == kb_name)
& (cls.model.tenant_id == tenant_id)
& (cls.model.status == StatusEnum.VALID.value)
)
if kb:
return True, kb[0]
return False, None
@classmethod
@DB.connection_context()
def get_all_ids(cls):
return [m["id"] for m in cls.model.select(cls.model.id).dicts()]
@classmethod
@DB.connection_context()
def get_list(cls, joined_tenant_ids, user_id,
page_number, items_per_page, orderby, desc, id, name):
kbs = cls.model.select()
if id:
kbs = kbs.where(cls.model.id == id)
if name:
kbs = kbs.where(cls.model.name == name)
kbs = kbs.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 accessible(cls, kb_id, user_id):
docs = cls.model.select(
cls.model.id).join(UserTenant, on=(UserTenant.tenant_id == Knowledgebase.tenant_id)
).where(cls.model.id == kb_id, UserTenant.user_id == user_id).paginate(0, 1)
docs = docs.dicts()
if not docs:
return False
return True
@classmethod
@DB.connection_context()
def get_kb_by_id(cls, kb_id, user_id):
kbs = cls.model.select().join(UserTenant, on=(UserTenant.tenant_id == Knowledgebase.tenant_id)
).where(cls.model.id == kb_id, UserTenant.user_id == user_id).paginate(0, 1)
kbs = kbs.dicts()
return list(kbs)
@classmethod
@DB.connection_context()
def get_kb_by_name(cls, kb_name, user_id):
kbs = cls.model.select().join(UserTenant, on=(UserTenant.tenant_id == Knowledgebase.tenant_id)
).where(cls.model.name == kb_name, UserTenant.user_id == user_id).paginate(0, 1)
kbs = kbs.dicts()
return list(kbs)
@classmethod
@DB.connection_context()
def accessible4deletion(cls, kb_id, user_id):
docs = cls.model.select(
cls.model.id).where(cls.model.id == kb_id, cls.model.created_by == user_id).paginate(0, 1)
docs = docs.dicts()
if not docs:
return False
return True
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