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data-entry-app/backend/app/models/product_costing.py
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2026-06-09 21:28:53 +12:00
from __future__ import annotations
from datetime import datetime
from sqlalchemy import DateTime, Float, Integer, String, Text, UniqueConstraint
from sqlalchemy.orm import Mapped, mapped_column
from app.db.session import Base
class ProductCostItem(Base):
__tablename__ = "product_cost_items"
__table_args__ = (UniqueConstraint("tenant_id", "item_id", name="uq_product_cost_item_tenant_item"),)
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
client_category: Mapped[str] = mapped_column(String(255), index=True)
item_id: Mapped[str | None] = mapped_column(String(128), nullable=True, index=True)
product_name: Mapped[str] = mapped_column(String(255), index=True)
mix_product_name: Mapped[str] = mapped_column(String(255), index=True)
unit_type: Mapped[str] = mapped_column(String(32), default="Standard")
own_bag: Mapped[str | None] = mapped_column(String(32), nullable=True)
unit_kg: Mapped[float | None] = mapped_column(Float, nullable=True)
items_per_pallet: Mapped[int | None] = mapped_column(Integer, nullable=True)
bagging_process: Mapped[str | None] = mapped_column(String(128), nullable=True)
manual_distributor_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
manual_wholesale_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
cleaned_product_cost_per_kg: Mapped[float | None] = mapped_column(Float, nullable=True)
grading_cost_per_kg: Mapped[float | None] = mapped_column(Float, nullable=True)
bagging_cost_per_kg: Mapped[float | None] = mapped_column(Float, nullable=True)
cracking_cost_per_kg: Mapped[float | None] = mapped_column(Float, nullable=True)
bag_cost_per_unit: Mapped[float | None] = mapped_column(Float, nullable=True)
freight_cost_per_unit: Mapped[float | None] = mapped_column(Float, nullable=True)
finished_product_delivered_cost: Mapped[float | None] = mapped_column(Float, nullable=True)
distributor_price: Mapped[float | None] = mapped_column(Float, nullable=True)
wholesale_price: Mapped[float | None] = mapped_column(Float, nullable=True)
warnings: Mapped[str | None] = mapped_column(Text, nullable=True)
created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
class ProductCostBaseInput(Base):
__tablename__ = "product_cost_base_inputs"
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", unique=True, index=True)
grading_per_tonne: Mapped[float] = mapped_column(Float, default=0.0)
grading_per_kg: Mapped[float] = mapped_column(Float, default=0.0)
cracking_per_tonne: Mapped[float] = mapped_column(Float, default=0.0)
cracking_per_kg: Mapped[float] = mapped_column(Float, default=0.0)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
class ProductCostProcessInput(Base):
__tablename__ = "product_cost_process_inputs"
__table_args__ = (UniqueConstraint("tenant_id", "process_name", name="uq_product_cost_process_tenant_name"),)
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
process_name: Mapped[str] = mapped_column(String(128), index=True)
cost_per_kg: Mapped[float] = mapped_column(Float, default=0.0)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
class ProductCostClientInput(Base):
__tablename__ = "product_cost_client_inputs"
__table_args__ = (UniqueConstraint("tenant_id", "client_category", name="uq_product_cost_client_tenant_name"),)
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
client_category: Mapped[str] = mapped_column(String(255), index=True)
distributor_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
wholesale_margin: Mapped[float | None] = mapped_column(Float, nullable=True)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
class ProductCostBagInput(Base):
__tablename__ = "product_cost_bag_inputs"
__table_args__ = (UniqueConstraint("tenant_id", "input_key", name="uq_product_cost_bag_tenant_key"),)
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
input_key: Mapped[str] = mapped_column(String(64), index=True)
label: Mapped[str] = mapped_column(String(128))
cost: Mapped[float] = mapped_column(Float, default=0.0)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
class ProductCostFreightInput(Base):
__tablename__ = "product_cost_freight_inputs"
__table_args__ = (UniqueConstraint("tenant_id", "input_key", name="uq_product_cost_freight_tenant_key"),)
id: Mapped[int] = mapped_column(primary_key=True)
tenant_id: Mapped[str] = mapped_column(String(64), default="default", index=True)
input_key: Mapped[str] = mapped_column(String(64), index=True)
label: Mapped[str] = mapped_column(String(128))
cost: Mapped[float] = mapped_column(Float, default=0.0)
updated_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)