rommapp_romm/backend/handler/database/screenshots_handler.py
2024-12-22 17:00:35 -05:00

83 lines
2.5 KiB
Python

from typing import Sequence
from decorators.database import begin_session
from models.assets import Screenshot
from sqlalchemy import and_, delete, select, update
from sqlalchemy.orm import Session
from .base_handler import DBBaseHandler
class DBScreenshotsHandler(DBBaseHandler):
@begin_session
def add_screenshot(
self, screenshot: Screenshot, session: Session = None
) -> Screenshot:
return session.merge(screenshot)
@begin_session
def get_screenshot(self, id, session: Session = None) -> Screenshot | None:
return session.get(Screenshot, id)
@begin_session
def get_screenshot_by_filename(
self, rom_id: int, user_id: int, file_name: str, session: Session = None
) -> Screenshot | None:
return session.scalars(
select(Screenshot)
.filter_by(rom_id=rom_id, user_id=user_id, file_name=file_name)
.limit(1)
).first()
@begin_session
def update_screenshot(
self, id: int, data: dict, session: Session = None
) -> Screenshot:
session.execute(
update(Screenshot)
.where(Screenshot.id == id)
.values(**data)
.execution_options(synchronize_session="evaluate")
)
return session.query(Screenshot).filter_by(id=id).one()
@begin_session
def delete_screenshot(self, id: int, session: Session = None) -> None:
session.execute(
delete(Screenshot)
.where(Screenshot.id == id)
.execution_options(synchronize_session="evaluate")
)
@begin_session
def purge_screenshots(
self,
rom_id: int,
user_id: int,
screenshots_to_keep: list[str],
session: Session = None,
) -> Sequence[Screenshot]:
purged_screenshots = session.scalars(
select(Screenshot).filter(
and_(
Screenshot.rom_id == rom_id,
Screenshot.user_id == user_id,
Screenshot.file_name.not_in(screenshots_to_keep),
)
)
).all()
session.execute(
delete(Screenshot)
.where(
and_(
Screenshot.rom_id == rom_id,
Screenshot.user_id == user_id,
Screenshot.file_name.not_in(screenshots_to_keep),
)
)
.execution_options(synchronize_session="evaluate")
)
return purged_screenshots