Files
homeschool/backend/app/models/child.py
derekc 15ce6dbb4d Fix child delete failing due to SQLAlchemy nullifying FK before DB cascade
Add passive_deletes=True to daily_sessions and activity_logs relationships
so the ORM defers to MySQL's ON DELETE CASCADE instead of trying to SET NULL.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-02-27 23:32:17 -08:00

24 lines
1.1 KiB
Python

from datetime import date
from sqlalchemy import String, Boolean, ForeignKey, Date
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.models.base import Base, TimestampMixin
class Child(TimestampMixin, Base):
__tablename__ = "children"
id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
user_id: Mapped[int] = mapped_column(ForeignKey("users.id", ondelete="CASCADE"), nullable=False)
name: Mapped[str] = mapped_column(String(100), nullable=False)
birth_date: Mapped[date | None] = mapped_column(Date, nullable=True)
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
color: Mapped[str] = mapped_column(String(7), default="#4F46E5") # hex color for UI
user: Mapped["User"] = relationship("User", back_populates="children") # noqa: F821
daily_sessions: Mapped[list["DailySession"]] = relationship( # noqa: F821
"DailySession", back_populates="child", passive_deletes=True
)
activity_logs: Mapped[list["ActivityLog"]] = relationship( # noqa: F821
"ActivityLog", back_populates="child", passive_deletes=True
)