87 lines
3.7 KiB
Python
87 lines
3.7 KiB
Python
from sqlalchemy import select, and_
|
||
|
||
from models import Attribute, AttributeType
|
||
from schemas.attribute import *
|
||
from services.base import BaseService
|
||
|
||
|
||
class AttributeService(BaseService):
|
||
async def get_all(self) -> GetAttributesResponse:
|
||
stmt = (
|
||
select(Attribute)
|
||
.where(Attribute.is_deleted == False)
|
||
.order_by(Attribute.label)
|
||
)
|
||
attrs = (await self.session.scalars(stmt)).all()
|
||
return GetAttributesResponse(attributes=attrs)
|
||
|
||
async def get_types(self) -> GetAttributeTypesResponse:
|
||
stmt = (
|
||
select(AttributeType)
|
||
.where(AttributeType.is_deleted == False)
|
||
)
|
||
types = (await self.session.scalars(stmt)).all()
|
||
return GetAttributeTypesResponse(types=types)
|
||
|
||
async def get_attr_by_name(self, attr_name: str) -> Optional[Attribute]:
|
||
stmt = (
|
||
select(Attribute)
|
||
.where(
|
||
and_(
|
||
Attribute.name == attr_name,
|
||
Attribute.is_deleted == False,
|
||
)
|
||
)
|
||
)
|
||
attribute = (await self.session.scalars(stmt)).first()
|
||
return attribute
|
||
|
||
async def create(self, request: CreateAttributeRequest) -> CreateAttributeResponse:
|
||
existing_attr = await self.get_attr_by_name(request.attribute.name)
|
||
if existing_attr:
|
||
return CreateAttributeResponse(ok=False, message="Атрибут с данным уникальным ключом уже существует")
|
||
|
||
default_value = pickle.dumps(request.attribute.default_value)
|
||
values = request.attribute.model_dump()
|
||
del values["default_value"]
|
||
|
||
attribute = Attribute(
|
||
**values,
|
||
default_value=default_value,
|
||
)
|
||
self.session.add(attribute)
|
||
await self.session.commit()
|
||
return CreateAttributeResponse(ok=True, message="Атрибут успешно создан")
|
||
|
||
async def update(self, request: UpdateAttributeRequest) -> UpdateAttributeResponse:
|
||
attribute = await self.session.get(Attribute, request.attribute.id)
|
||
if not attribute:
|
||
return UpdateAttributeResponse(ok=False, message=f"Атрибут с ID {request.attribute.id} не найден")
|
||
|
||
if attribute.name != request.attribute.name:
|
||
attr_with_same_name = await self.get_attr_by_name(request.attribute.name)
|
||
if attr_with_same_name:
|
||
return CreateAttributeResponse(ok=False, message="Атрибут с данным уникальным ключом уже существует")
|
||
|
||
default_value = pickle.dumps(request.attribute.default_value) if request.attribute.default_value else None
|
||
|
||
attribute.name = request.attribute.name
|
||
attribute.label = request.attribute.label
|
||
attribute.default_value = default_value
|
||
attribute.is_applicable_to_group = request.attribute.is_applicable_to_group
|
||
attribute.is_shown_on_dashboard = request.attribute.is_shown_on_dashboard
|
||
attribute.is_nullable = request.attribute.is_nullable
|
||
attribute.description = request.attribute.description
|
||
await self.session.commit()
|
||
|
||
return UpdateAttributeResponse(ok=True, message="Атрибут успешно обновлен")
|
||
|
||
async def delete(self, attribute_id: int) -> DeleteAttributeResponse:
|
||
attribute: Optional[Attribute] = await self.session.get(Attribute, attribute_id)
|
||
if not attribute:
|
||
return DeleteAttributeResponse(ok=False, message=f"Атрибут с ID {attribute_id} не найден")
|
||
|
||
attribute.is_deleted = True
|
||
await self.session.commit()
|
||
return DeleteAttributeResponse(ok=True, message=f"Атрибут успешно удален")
|