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121 lines
3.3 KiB
Python
121 lines
3.3 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 QueryableAttribute, Session, load_only
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from decorators.database import begin_session
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from models.firmware import Firmware
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from .base_handler import DBBaseHandler
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class DBFirmwareHandler(DBBaseHandler):
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@begin_session
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def add_firmware(
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self,
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firmware: Firmware,
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session: Session = None, # type: ignore
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) -> Firmware:
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return session.merge(firmware)
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@begin_session
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def get_firmware(
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self,
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id: int,
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*,
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session: Session = None, # type: ignore
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) -> Firmware | None:
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return session.scalar(select(Firmware).filter_by(id=id).limit(1))
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@begin_session
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def list_firmware(
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self,
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*,
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platform_id: int | None = None,
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only_fields: Sequence[QueryableAttribute] | None = None,
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session: Session = None, # type: ignore
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) -> Sequence[Firmware]:
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query = select(Firmware).order_by(Firmware.file_name.asc())
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if platform_id:
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query = query.filter_by(platform_id=platform_id)
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if only_fields:
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query = query.options(load_only(*only_fields))
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return session.scalars(query).all()
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@begin_session
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def get_firmware_by_filename(
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self,
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platform_id: int,
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file_name: str,
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session: Session = None, # type: ignore
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):
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return session.scalar(
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select(Firmware)
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.filter_by(platform_id=platform_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 update_firmware(
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self,
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id: int,
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data: dict,
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session: Session = None, # type: ignore
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) -> Firmware:
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session.execute(
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update(Firmware)
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.where(Firmware.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(Firmware).filter_by(id=id).one()
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@begin_session
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def delete_firmware(
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self,
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id: int,
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session: Session = None, # type: ignore
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) -> None:
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session.execute(
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delete(Firmware)
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.where(Firmware.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_firmware(
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self,
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platform_id: int,
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fs_firmwares_to_keep: list[str],
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session: Session = None, # type: ignore
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) -> Sequence[Firmware]:
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missing_firmware = (
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session.scalars(
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select(Firmware)
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.order_by(Firmware.file_name.asc())
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.where(
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and_(
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Firmware.platform_id == platform_id,
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Firmware.file_name.not_in(fs_firmwares_to_keep),
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)
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)
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) # type: ignore[attr-defined]
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.unique()
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.all()
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)
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session.execute(
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update(Firmware)
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.where(
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and_(
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Firmware.platform_id == platform_id,
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Firmware.file_name.not_in(fs_firmwares_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_firmware
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