32 lines
1.3 KiB
Python
32 lines
1.3 KiB
Python
import uuid
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from datetime import datetime
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from typing import TYPE_CHECKING
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from sqlalchemy import DateTime, ForeignKey, String, Text, func
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from sqlalchemy.dialects.postgresql import UUID
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.db.base import Base
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if TYPE_CHECKING:
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from app.models.object import InventoryObject
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class Box(Base):
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__tablename__ = "boxes"
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id: Mapped[uuid.UUID] = mapped_column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4)
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name: Mapped[str] = mapped_column(String(255), nullable=False)
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description: Mapped[str | None] = mapped_column(Text, nullable=True)
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parent_box_id: Mapped[uuid.UUID | None] = mapped_column(
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UUID(as_uuid=True), ForeignKey("boxes.id", ondelete="RESTRICT"), nullable=True, index=True
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)
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
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)
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parent: Mapped["Box | None"] = relationship(remote_side=[id], back_populates="children")
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children: Mapped[list["Box"]] = relationship(back_populates="parent")
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objects: Mapped[list["InventoryObject"]] = relationship(back_populates="box")
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