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2026-07-17 12:57:18 +03:00

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from sqlalchemy import Boolean, Column, DateTime, Float, ForeignKey, Integer, String
from sqlalchemy.orm import relationship
from app import db
from .base import SoftDeleteMixin, TimestampMixin, default_uuid
class Recipe(db.Model, TimestampMixin, SoftDeleteMixin):
"""Рацион (рецепт) кормления."""
__tablename__ = "recipe"
id = Column(String(36), primary_key=True, default=default_uuid)
name = Column(String(100), nullable=False)
heads_per_trip = Column(Integer, default=1)
mixing_time = Column(Integer, default=0)
trip_percent = Column(Float, default=100.0)
dry_matter_locked = Column(Boolean, nullable=False, default=False)
unloading_link_broken = Column(Boolean, nullable=False, default=False)
target_component_id = Column(
String(36), ForeignKey("component.id"), nullable=True, index=True
)
ration_type = Column(String(10), nullable=True)
version = Column(Integer, default=1, nullable=False)
created_by = Column(String(50), nullable=False, default="system")
updated_by = Column(String(50), nullable=False, default="system")
sync_timestamp = Column(DateTime, nullable=True)
sync_status = Column(String(20), default="pending", nullable=False)
content_hash = Column(String(64), nullable=False, default="")
ingredients = relationship(
"Ingredient",
back_populates="recipe",
cascade="all, delete-orphan",
passive_deletes=True,
)
unloading_groups = relationship(
"UnloadingGroup",
back_populates="recipe",
cascade="all, delete-orphan",
passive_deletes=True,
)
trips = relationship(
"Trip",
back_populates="recipe",
cascade="all, delete-orphan",
passive_deletes=True,
)
period_recipes_rel = relationship(
"PeriodRecipe",
cascade="all, delete-orphan",
passive_deletes=True,
overlaps="feeding_periods",
)
class UnloadingGroup(db.Model, TimestampMixin, SoftDeleteMixin):
"""Группа выгрузки для рецепта."""
__tablename__ = "unloading_group"
id = Column(String(36), primary_key=True, default=default_uuid)
name = Column(String(100), nullable=False)
# 'percent' или 'heads'
distribution_type = Column(String(20), nullable=False)
# процент или количество голов
value = Column(Float, nullable=False)
# вес в кг
weight = Column(Float, nullable=True)
# порядок выгрузки
order = Column(Integer, nullable=False)
recipe_id = Column(
String(36), ForeignKey("recipe.id"), nullable=False, index=True
)
version = Column(Integer, default=1, nullable=False)
created_by = Column(String(50), nullable=False, default="system")
updated_by = Column(String(50), nullable=False, default="system")
sync_timestamp = Column(DateTime, nullable=True)
sync_status = Column(String(20), default="pending", nullable=False)
content_hash = Column(String(64), nullable=False, default="")
recipe = relationship("Recipe", back_populates="unloading_groups")
class PeriodRecipe(db.Model, TimestampMixin, SoftDeleteMixin):
"""Связка периода кормления и рецепта."""
__tablename__ = "period_recipes"
period_id = Column(
String(36), ForeignKey("feeding_period.id"), primary_key=True
)
recipe_id = Column(
String(36), ForeignKey("recipe.id"), primary_key=True, index=True
)
order = Column(Integer, nullable=False, default=0)
version = Column(Integer, default=1, nullable=False)
# created_at / updated_at — из TimestampMixin (БД: NOT NULL у обоих)
created_by = Column(String(50), nullable=False, default="system")
updated_by = Column(String(50), nullable=False, default="system")
sync_timestamp = Column(DateTime, nullable=True)
sync_status = Column(String(20), default="pending", nullable=False)
content_hash = Column(String(64), nullable=False, default="")