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bambuddy/backend/app/models/filament_sku_settings.py

32 lines
1.6 KiB
Python

from datetime import datetime
from sqlalchemy import Boolean, DateTime, Integer, String, UniqueConstraint, func
from sqlalchemy.orm import Mapped, mapped_column
from backend.app.core.database import Base
class FilamentSkuSettings(Base):
"""User-configured reorder settings for a filament SKU (material/subtype/brand group)."""
__tablename__ = "filament_sku_settings"
__table_args__ = (
# sqlite_where ensures NULL columns participate in uniqueness (NULLS NOT DISTINCT).
# On PostgreSQL the partial index is not needed — standard UNIQUE handles it.
# color_name is part of the key so forecasts distinguish e.g. White vs Black
# PLA Matte (#forecast-color-grouping).
UniqueConstraint("material", "subtype", "brand", "color_name", name="uq_filament_sku"),
)
id: Mapped[int] = mapped_column(primary_key=True)
material: Mapped[str] = mapped_column(String(50))
subtype: Mapped[str | None] = mapped_column(String(50))
brand: Mapped[str | None] = mapped_column(String(100))
color_name: Mapped[str | None] = mapped_column(String(100))
lead_time_days: Mapped[int] = mapped_column(Integer, default=0)
safety_margin_value: Mapped[int] = mapped_column(Integer, default=14)
safety_margin_unit: Mapped[str] = mapped_column(String(10), default="days")
alerts_snoozed: Mapped[bool] = mapped_column(Boolean, default=False)
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())