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97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
from decorators.database import begin_session
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from handler.db_handler import DBHandler
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from models import Rom
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from sqlalchemy import and_, delete, func, select, update
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from sqlalchemy.orm import Session
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class DBRomsHandler(DBHandler):
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@staticmethod
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def _filter(data, platform_id, search_term):
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if platform_id:
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data = data.filter_by(platform_id=platform_id)
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if search_term:
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data = data.filter(Rom.file_name.ilike(f"%{search_term}%"))
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return data
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@staticmethod
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def _order(data, order_by, order_dir):
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if order_by == "name":
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_column = func.lower(Rom.name)
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elif order_by == "id":
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_column = Rom.id
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else:
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_column = func.lower(Rom.name)
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if order_dir == "asc":
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return data.order_by(_column.asc())
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elif order_dir == "desc":
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return data.order_by(_column.desc())
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else:
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return data.order_by(_column.asc())
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@begin_session
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def add_rom(self, rom: Rom, session: Session = None):
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return session.merge(rom)
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@begin_session
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def get_roms(
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self,
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id: int = None,
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platform_id: int = None,
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search_term: str = "",
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order_by: str = "name",
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order_dir: str = "asc",
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session: Session = None,
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):
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return (
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session.get(Rom, id)
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if id
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else self._order(
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self._filter(select(Rom), platform_id, search_term),
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order_by,
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order_dir,
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)
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)
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@begin_session
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def get_rom_by_filename(
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self, platform_id: int, file_name: str, session: Session = None
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):
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return session.scalars(
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select(Rom).filter_by(platform_id=platform_id, file_name=file_name).limit(1)
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).first()
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@begin_session
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def get_rom_by_filename_no_tags(
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self, file_name_no_tags: str, session: Session = None
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):
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return session.scalars(
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select(Rom).filter_by(file_name_no_tags=file_name_no_tags).limit(1)
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).first()
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@begin_session
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def update_rom(self, id: int, data: dict, session: Session = None):
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return session.execute(
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update(Rom)
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.where(Rom.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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@begin_session
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def delete_rom(self, id: int, session: Session = None):
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return session.execute(
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delete(Rom)
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.where(Rom.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 purge_roms(self, platform_id: int, roms: list[str], session: Session = None):
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return session.execute(
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delete(Rom)
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.where(and_(Rom.platform_id == platform_id, Rom.file_name.not_in(roms)))
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.execution_options(synchronize_session="evaluate")
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)
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