mirror of
https://github.com/rommapp/romm.git
synced 2026-02-18 00:27:41 +01:00
77 lines
2.3 KiB
Python
77 lines
2.3 KiB
Python
from sqlalchemy import delete, or_, select
|
|
from sqlalchemy.orm import Session, selectinload
|
|
|
|
from decorators.database import begin_session
|
|
from models.platform import Platform
|
|
from models.rom import Rom
|
|
|
|
from .base_handler import DBBaseHandler
|
|
|
|
|
|
class DBPlatformsHandler(DBBaseHandler):
|
|
@begin_session
|
|
def add_platform(
|
|
self, platform: Platform, session: Session = None
|
|
) -> Platform | None:
|
|
session.merge(platform)
|
|
session.flush()
|
|
|
|
return session.scalar(
|
|
select(Platform)
|
|
.options(selectinload(Platform.roms).load_only(Rom.id))
|
|
.filter_by(id=platform.id)
|
|
.limit(1)
|
|
)
|
|
|
|
@begin_session
|
|
def get_platforms(
|
|
self, id: int = None, session: Session = None
|
|
) -> list[Platform] | Platform | None:
|
|
return (
|
|
session.scalar(
|
|
select(Platform)
|
|
.options(selectinload(Platform.roms).load_only(Rom.id))
|
|
.filter_by(id=id)
|
|
.limit(1)
|
|
)
|
|
if id
|
|
else (
|
|
session.scalars(select(Platform).order_by(Platform.name.asc()))
|
|
.unique()
|
|
.all()
|
|
)
|
|
)
|
|
|
|
@begin_session
|
|
def get_platform_by_fs_slug(
|
|
self, fs_slug: str, session: Session = None
|
|
) -> Platform | None:
|
|
return session.scalar(
|
|
select(Platform)
|
|
.options(selectinload(Platform.roms).load_only(Rom.id))
|
|
.filter_by(fs_slug=fs_slug)
|
|
.limit(1)
|
|
)
|
|
|
|
@begin_session
|
|
def delete_platform(self, id: int, session: Session = None) -> int:
|
|
# Remove all roms from that platforms first
|
|
session.execute(
|
|
delete(Rom)
|
|
.where(Rom.platform_id == id)
|
|
.execution_options(synchronize_session="evaluate")
|
|
)
|
|
return session.execute(
|
|
delete(Platform)
|
|
.where(Platform.id == id)
|
|
.execution_options(synchronize_session="evaluate")
|
|
)
|
|
|
|
@begin_session
|
|
def purge_platforms(self, fs_platforms: list[str], session: Session = None) -> int:
|
|
return session.execute(
|
|
delete(Platform)
|
|
.where(or_(Platform.fs_slug.not_in(fs_platforms), Platform.slug.is_(None)))
|
|
.execution_options(synchronize_session="fetch")
|
|
)
|