mirror of
https://github.com/rommapp/romm.git
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99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
from collections.abc import Sequence
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from sqlalchemy import and_, delete, select, update
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from sqlalchemy.orm import Session
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from decorators.database import begin_session
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from models.assets import State
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from .base_handler import DBBaseHandler
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class DBStatesHandler(DBBaseHandler):
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@begin_session
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def add_state(self, state: State, session: Session = None) -> State:
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return session.merge(state)
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@begin_session
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def get_state(self, user_id: int, id: int, session: Session = None) -> State | None:
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return session.scalar(select(State).filter_by(user_id=user_id, id=id).limit(1))
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@begin_session
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def get_state_by_filename(
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self, user_id: int, rom_id: int, file_name: str, session: Session = None
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) -> State | None:
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return session.scalar(
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select(State)
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.filter_by(rom_id=rom_id, user_id=user_id, file_name=file_name)
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.limit(1)
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)
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@begin_session
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def get_states(
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self,
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user_id: int,
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rom_id: int | None = None,
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platform_id: int | None = None,
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session: Session = None,
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) -> Sequence[State]:
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query = select(State).filter_by(user_id=user_id)
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if rom_id:
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query = query.filter_by(rom_id=rom_id)
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if platform_id:
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query = query.filter_by(platform_id=platform_id)
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return session.scalars(query).all()
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@begin_session
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def update_state(self, id: int, data: dict, session: Session = None) -> State:
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session.execute(
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update(State)
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.where(State.id == id)
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.values(**data)
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.execution_options(synchronize_session="evaluate")
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)
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return session.query(State).filter_by(id=id).one()
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@begin_session
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def delete_state(self, id: int, session: Session = None) -> None:
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session.execute(
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delete(State)
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.where(State.id == id)
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.execution_options(synchronize_session="evaluate")
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)
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@begin_session
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def mark_missing_states(
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self,
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rom_id: int,
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user_id: int,
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states_to_keep: list[str],
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session: Session = None,
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) -> Sequence[State]:
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missing_states = session.scalars(
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select(State).filter(
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and_(
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State.rom_id == rom_id,
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State.user_id == user_id,
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State.file_name.not_in(states_to_keep),
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)
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)
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).all()
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session.execute(
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update(State)
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.where(
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and_(
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State.rom_id == rom_id,
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State.user_id == user_id,
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State.file_name.not_in(states_to_keep),
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)
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)
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.values(**{"missing_from_fs": True})
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.execution_options(synchronize_session="evaluate")
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)
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return missing_states
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