tabletop-frog/src/ttfrog/db/schema/container.py
2024-09-02 14:53:49 -07:00

37 lines
1.1 KiB
Python

from typing import Union
from sqlalchemy import ForeignKey
from sqlalchemy.orm import Mapped
from sqlalchemy.orm import base as sa_base
from sqlalchemy.orm import mapped_column, relationship
from ttfrog.db.schema.inventory import Inventory, InventoryMap, InventoryType
from ttfrog.db.schema.item import Item, ItemType
__all__ = [
"Container",
]
class Container(Item):
__tablename__ = "container"
__mapper_args__ = {"polymorphic_identity": ItemType.CONTAINER}
id: Mapped[int] = mapped_column(ForeignKey("item.id"), primary_key=True, init=False)
item_type: Mapped[ItemType] = ItemType.CONTAINER
inventory: Mapped["Inventory"] = relationship(
cascade="all,delete,delete-orphan",
lazy="immediate",
default_factory=lambda: Inventory(inventory_type=InventoryType.EQUIPMENT),
)
def __contains__(self, obj: Union[InventoryMap, Item]):
return obj in self.inventory
def __iter__(self):
yield from self.inventory
def __getattr__(self, name: str):
if name == sa_base.DEFAULT_STATE_ATTR:
raise AttributeError()
return getattr(self.inventory, name)