Files
TieMeasureFlow/server/models/station.py
T
Adriano 5959c9c92a feat(models): add Station and StationRecipeAssignment models
TDD: test written first, confirmed failing with ModuleNotFoundError,
then model implemented; all 3 new tests pass. conftest updated to
import new models so Base.metadata.create_all picks up the tables.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-17 21:56:22 +02:00

70 lines
2.7 KiB
Python

"""Station and StationRecipeAssignment models.
A Station represents a physical control point (typically one per tablet/PC).
Recipes are assigned to stations so that each station only sees the products
it is supposed to inspect.
"""
from datetime import datetime
from typing import TYPE_CHECKING, Optional
from sqlalchemy import Boolean, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from database import Base
if TYPE_CHECKING:
from models.recipe import Recipe
class Station(Base):
__tablename__ = "stations"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
code: Mapped[str] = mapped_column(String(100), unique=True, nullable=False, index=True)
name: Mapped[str] = mapped_column(String(255), nullable=False)
location: Mapped[Optional[str]] = mapped_column(String(255), nullable=True)
notes: Mapped[Optional[str]] = mapped_column(Text, nullable=True)
active: Mapped[bool] = mapped_column(Boolean, nullable=False, default=True, index=True)
created_by: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
created_at: Mapped[datetime] = mapped_column(
DateTime, nullable=False, server_default=func.now()
)
assignments: Mapped[list["StationRecipeAssignment"]] = relationship(
back_populates="station", cascade="all, delete-orphan", lazy="selectin"
)
__table_args__ = (
{"mysql_engine": "InnoDB", "mysql_charset": "utf8mb4"},
)
def __repr__(self) -> str:
return f"<Station {self.code} '{self.name}'>"
class StationRecipeAssignment(Base):
__tablename__ = "station_recipe_assignments"
id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
station_id: Mapped[int] = mapped_column(
Integer, ForeignKey("stations.id", ondelete="CASCADE"), nullable=False, index=True
)
recipe_id: Mapped[int] = mapped_column(
Integer, ForeignKey("recipes.id", ondelete="CASCADE"), nullable=False, index=True
)
assigned_by: Mapped[int] = mapped_column(Integer, ForeignKey("users.id"), nullable=False)
assigned_at: Mapped[datetime] = mapped_column(
DateTime, nullable=False, server_default=func.now()
)
station: Mapped["Station"] = relationship(back_populates="assignments")
recipe: Mapped["Recipe"] = relationship(lazy="selectin")
__table_args__ = (
UniqueConstraint("station_id", "recipe_id", name="uq_station_recipe"),
{"mysql_engine": "InnoDB", "mysql_charset": "utf8mb4"},
)
def __repr__(self) -> str:
return f"<StationRecipeAssignment station={self.station_id} recipe={self.recipe_id}>"