rommapp_romm/backend/handler/database/firmware_handler.py
2025-09-04 11:17:00 -03:00

98 lines
2.9 KiB
Python

from collections.abc import Sequence
from sqlalchemy import and_, delete, select, update
from sqlalchemy.orm import Session
from decorators.database import begin_session
from models.firmware import Firmware
from .base_handler import DBBaseHandler
class DBFirmwareHandler(DBBaseHandler):
@begin_session
def add_firmware(self, firmware: Firmware, session: Session = None) -> Firmware:
return session.merge(firmware)
@begin_session
def get_firmware(
self,
id: int,
*,
session: Session = None,
) -> Firmware | None:
return session.scalar(select(Firmware).filter_by(id=id).limit(1))
@begin_session
def list_firmware(
self,
*,
platform_id: int | None = None,
session: Session = None,
) -> Sequence[Firmware]:
query = select(Firmware).order_by(Firmware.file_name.asc())
if platform_id:
query = query.filter_by(platform_id=platform_id)
return session.scalars(query).all()
@begin_session
def get_firmware_by_filename(
self, platform_id: int, file_name: str, session: Session = None
):
return session.scalar(
select(Firmware)
.filter_by(platform_id=platform_id, file_name=file_name)
.limit(1)
)
@begin_session
def update_firmware(self, id: int, data: dict, session: Session = None) -> Firmware:
session.execute(
update(Firmware)
.where(Firmware.id == id)
.values(**data)
.execution_options(synchronize_session="evaluate")
)
return session.query(Firmware).filter_by(id=id).one()
@begin_session
def delete_firmware(self, id: int, session: Session = None) -> None:
session.execute(
delete(Firmware)
.where(Firmware.id == id)
.execution_options(synchronize_session="evaluate")
)
@begin_session
def mark_missing_firmware(
self, platform_id: int, fs_firmwares_to_keep: list[str], session: Session = None
) -> Sequence[Firmware]:
missing_firmware = (
session.scalars(
select(Firmware)
.order_by(Firmware.file_name.asc())
.where(
and_(
Firmware.platform_id == platform_id,
Firmware.file_name.not_in(fs_firmwares_to_keep),
)
)
) # type: ignore[attr-defined]
.unique()
.all()
)
session.execute(
update(Firmware)
.where(
and_(
Firmware.platform_id == platform_id,
Firmware.file_name.not_in(fs_firmwares_to_keep),
)
)
.values(**{"missing_from_fs": True})
.execution_options(synchronize_session="evaluate")
)
return missing_firmware