bambuddy/backend/app/models/printer.py

from datetime import datetime
from sqlalchemy import String, Boolean, DateTime, func
from sqlalchemy.orm import Mapped, mapped_column, relationship

from backend.app.core.database import Base


class Printer(Base):
    __tablename__ = "printers"

    id: Mapped[int] = mapped_column(primary_key=True)
    name: Mapped[str] = mapped_column(String(100))
    serial_number: Mapped[str] = mapped_column(String(50), unique=True)
    ip_address: Mapped[str] = mapped_column(String(45))
    access_code: Mapped[str] = mapped_column(String(20))
    model: Mapped[str | None] = mapped_column(String(50))
    nozzle_count: Mapped[int] = mapped_column(default=1)  # 1 or 2, auto-detected from MQTT
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    auto_archive: Mapped[bool] = mapped_column(Boolean, default=True)
    created_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now()
    )
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, server_default=func.now(), onupdate=func.now()
    )

    # Relationships
    archives: Mapped[list["PrintArchive"]] = relationship(
        back_populates="printer", cascade="all, delete-orphan"
    )
    smart_plug: Mapped["SmartPlug | None"] = relationship(
        back_populates="printer", uselist=False
    )
    notification_providers: Mapped[list["NotificationProvider"]] = relationship(
        back_populates="printer"
    )


from backend.app.models.archive import PrintArchive  # noqa: E402
from backend.app.models.smart_plug import SmartPlug  # noqa: E402
from backend.app.models.notification import NotificationProvider  # noqa: E402