57 lines
2.6 KiB
Python
57 lines
2.6 KiB
Python
from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import Boolean, DateTime, Float, ForeignKey, Integer, String, Text, UniqueConstraint
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from sqlalchemy.orm import Mapped, mapped_column, relationship
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from app.db.session import Base
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class Product(Base):
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__tablename__ = "products"
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id: Mapped[int] = mapped_column(primary_key=True)
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tenant_id: Mapped[str] = mapped_column(String(64), default="default")
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client_name: Mapped[str] = mapped_column(String(255))
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item_id: Mapped[str | None] = mapped_column(String(128), nullable=True)
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name: Mapped[str] = mapped_column(String(255), index=True)
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mix_id: Mapped[int] = mapped_column(ForeignKey("mixes.id"))
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sale_type: Mapped[str] = mapped_column(String(64), default="standard")
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own_bag: Mapped[bool] = mapped_column(Boolean, default=False)
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visible: Mapped[bool] = mapped_column(Boolean, default=True)
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unit_of_measure: Mapped[str] = mapped_column(String(64), default="20kg bag")
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items_per_pallet: Mapped[int] = mapped_column(Integer, default=50)
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bagging_process: Mapped[str | None] = mapped_column(String(64), nullable=True)
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distributor_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
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wholesale_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
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notes: Mapped[str | None] = mapped_column(Text, nullable=True)
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created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
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mix: Mapped["Mix"] = relationship(back_populates="products")
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ingredients: Mapped[list["ProductIngredient"]] = relationship(
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back_populates="product",
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cascade="all, delete-orphan",
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order_by="ProductIngredient.sort_order",
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)
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class ProductIngredient(Base):
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__tablename__ = "product_ingredients"
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__table_args__ = (UniqueConstraint("product_id", "raw_material_id", name="uq_product_ingredient"),)
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id: Mapped[int] = mapped_column(primary_key=True)
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tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
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product_id: Mapped[int] = mapped_column(ForeignKey("products.id"), index=True)
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raw_material_id: Mapped[int] = mapped_column(ForeignKey("raw_materials.id"), index=True)
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quantity_kg: Mapped[float] = mapped_column(Float)
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sort_order: Mapped[int] = mapped_column(Integer, default=0)
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notes: Mapped[str | None] = mapped_column(Text, nullable=True)
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product: Mapped[Product] = relationship(back_populates="ingredients")
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raw_material: Mapped["RawMaterial"] = relationship()
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from app.models.mix import Mix # noqa: E402
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from app.models.raw_material import RawMaterial # noqa: E402
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